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Cisco 350-701 Practice Test 55

Question 540

A finance vendor's updater is flagged by endpoint security and an administrator proposes excluding the entire system drive. Which Cisco security control or operational response BEST addresses the stated need?

  1. Scope endpoint detection exclusions narrowly and verify business application behavior after updates without disabling broad antimalware protections.
  2. Configure Cisco Secure Email Threat Defense to detect or remediate phishing and business email compromise using appropriate supported integration and policy.
  3. Configure Cisco Secure Endpoint policy groups, detection and blocking settings, and connector deployment aligned to host risk.
  4. Choose endpoint prevention, behavioral detection, and response capabilities based on business risk and investigation needs rather than equating antivirus with EDR.

Explanation

Correct Answer

A:

Scope endpoint detection exclusions narrowly and verify business application behavior after updates without disabling broad antimalware protections. This control addresses the failure mechanism and narrows the enforcement boundary. Broad folder or process exclusions can create lasting blind spots; false-positive tuning requires evidence and defined review dates. Confirm pre-change conditions using: Inspect exclusion path or hash, triggering detection, business impact, owner approval, and endpoint policy revision. Situation: A finance vendor's updater is flagged by endpoint security and an administrator proposes excluding the entire system drive.

Incorrect Answers

B:

Configure Cisco Secure Email Threat Defense to detect or remediate phishing and business email compromise using appropriate supported integration and policy. This response applies to Email Threat Defense anti impersonation controls, not the controlling requirement in this case. Email Threat Defense uses message and behavioral context; an authenticated sender domain or clean attachment does not prove a message is safe. For this scenario, the targeted action is: Scope endpoint detection exclusions narrowly and verify business application behavior after updates without disabling broad antimalware protections. Situation: A finance vendor's updater is flagged by endpoint security and an administrator proposes excluding the entire system drive.

C:

Configure Cisco Secure Endpoint policy groups, detection and blocking settings, and connector deployment aligned to host risk. This response applies to Cisco Secure Endpoint antimalware policy, not the controlling requirement in this case. Endpoint policy efficacy depends on correct host enrollment, file disposition, behavior detection, and controlled exclusions. For this scenario, the targeted action is: Scope endpoint detection exclusions narrowly and verify business application behavior after updates without disabling broad antimalware protections. Situation: A finance vendor's updater is flagged by endpoint security and an administrator proposes excluding the entire system drive.

D:

Choose endpoint prevention, behavioral detection, and response capabilities based on business risk and investigation needs rather than equating antivirus with EDR. This response applies to Endpoint protection versus detection response, not the controlling requirement in this case. EPP focuses preventative controls and EDR records and investigates suspicious endpoint activity and supports response; the capabilities overlap but are not interchangeable. For this scenario, the targeted action is: Scope endpoint detection exclusions narrowly and verify business application behavior after updates without disabling broad antimalware protections. Situation: A finance vendor's updater is flagged by endpoint security and an administrator proposes excluding the entire system drive.

Question 541

A project moves a workload to another region but its customer-managed key policy permits only the original service identity. Which TWO complementary steps provide the most defensible remediation and its supporting assessment? Select TWO.

  1. Use Cisco Multicloud Defense concepts to define controlled ingress, egress, and workload traffic inspection across supported cloud networks.
  2. Required cloud audit events are searchable with accurate timestamps and identifiable source fields after ingestion.
  3. Inspect storage encryption policy, customer-managed key dependencies, rotation schedule, secret locations, and access logs.
  4. Inspect asset inventory, cloud service exposure, cloud security baseline, exception handling, and assessment findings.
  5. Secure cloud workloads and data with appropriate encryption, managed key access, and explicit ownership of secret rotation and runtime use.

Explanation

Correct Answers

C:

Inspect storage encryption policy, customer-managed key dependencies, rotation schedule, secret locations, and access logs. This checks the relevant condition before an engineer modifies production access or detection behavior. Encryption protects data against unauthorized reading but does not substitute for IAM; key lifecycle management and backups require explicit ownership. The controlled response would be: Secure cloud workloads and data with appropriate encryption, managed key access, and explicit ownership of secret rotation and runtime use. This supplies the diagnostic evidence needed for the complementary action. Situation: A project moves a workload to another region but its customer-managed key policy permits only the original service identity.

E:

Secure cloud workloads and data with appropriate encryption, managed key access, and explicit ownership of secret rotation and runtime use. This control addresses the failure mechanism and narrows the enforcement boundary. Encryption protects data against unauthorized reading but does not substitute for IAM; key lifecycle management and backups require explicit ownership. Confirm pre-change conditions using: Inspect storage encryption policy, customer-managed key dependencies, rotation schedule, secret locations, and access logs. This is the implementation portion of the complementary pair. Situation: A project moves a workload to another region but its customer-managed key policy permits only the original service identity.

Incorrect Answers

A:

Use Cisco Multicloud Defense concepts to define controlled ingress, egress, and workload traffic inspection across supported cloud networks. This step could matter for Cisco Multicloud Defense traffic policy but is not part of the required complementary pair for this case. The paired steps are: Secure cloud workloads and data with appropriate encryption, managed key access, and explicit ownership of secret rotation and runtime use. and Inspect storage encryption policy, customer-managed key dependencies, rotation schedule, secret locations, and access logs. Situation: A project moves a workload to another region but its customer-managed key policy permits only the original service identity.

B:

Required cloud audit events are searchable with accurate timestamps and identifiable source fields after ingestion. This step could matter for Splunk cloud source onboarding but is not part of the required complementary pair for this case. The paired steps are: Secure cloud workloads and data with appropriate encryption, managed key access, and explicit ownership of secret rotation and runtime use. and Inspect storage encryption policy, customer-managed key dependencies, rotation schedule, secret locations, and access logs. Situation: A project moves a workload to another region but its customer-managed key policy permits only the original service identity.

D:

Inspect asset inventory, cloud service exposure, cloud security baseline, exception handling, and assessment findings. This step could matter for Cloud security posture policy selection but is not part of the required complementary pair for this case. The paired steps are: Secure cloud workloads and data with appropriate encryption, managed key access, and explicit ownership of secret rotation and runtime use. and Inspect storage encryption policy, customer-managed key dependencies, rotation schedule, secret locations, and access logs. Situation: A project moves a workload to another region but its customer-managed key policy permits only the original service identity.

Question 542

A firmware bundle must be checked for tampering but the engineering team proposes using reversible encryption as the only check. Which TWO complementary steps provide the most defensible remediation and its supporting assessment? Select TWO.

  1. Inspect protected data lifetimes, protocol suites, key sizes, certificate dependencies, crypto inventory, and approved algorithm policies.
  2. Use cryptographic hashes for integrity, authenticated key exchange for confidentiality, and maintain a migration inventory for post-quantum risks.
  3. An authenticated unmanaged laptop is denied restricted data despite being on the corporate Wi-Fi, while approved sessions stay scoped.
  4. Validate peer identity with a trusted certificate chain, correct hostname, certificate validity, and appropriate TLS policy before exchanging sensitive data.
  5. Inspect sender and destination mismatch, sign-in geography, authentication strength, new device enrollment, and user-reported prompts.

Explanation

Correct Answers

A:

Inspect protected data lifetimes, protocol suites, key sizes, certificate dependencies, crypto inventory, and approved algorithm policies. This checks the relevant condition before an engineer modifies production access or detection behavior. A bare hash does not provide secrecy; post-quantum preparation requires crypto-agility planning rather than claiming traditional algorithms are already future-proof. The controlled response would be: Use cryptographic hashes for integrity, authenticated key exchange for confidentiality, and maintain a migration inventory for post-quantum risks. This supplies the diagnostic evidence needed for the complementary action. Situation: A firmware bundle must be checked for tampering but the engineering team proposes using reversible encryption as the only check.

B:

Use cryptographic hashes for integrity, authenticated key exchange for confidentiality, and maintain a migration inventory for post-quantum risks. This control addresses the failure mechanism and narrows the enforcement boundary. A bare hash does not provide secrecy; post-quantum preparation requires crypto-agility planning rather than claiming traditional algorithms are already future-proof. Confirm pre-change conditions using: Inspect protected data lifetimes, protocol suites, key sizes, certificate dependencies, crypto inventory, and approved algorithm policies. This is the implementation portion of the complementary pair. Situation: A firmware bundle must be checked for tampering but the engineering team proposes using reversible encryption as the only check.

Incorrect Answers

C:

An authenticated unmanaged laptop is denied restricted data despite being on the corporate Wi-Fi, while approved sessions stay scoped. This step could matter for Zero trust continuous authorization but is not part of the required complementary pair for this case. The paired steps are: Use cryptographic hashes for integrity, authenticated key exchange for confidentiality, and maintain a migration inventory for post-quantum risks. and Inspect protected data lifetimes, protocol suites, key sizes, certificate dependencies, crypto inventory, and approved algorithm policies. Situation: A firmware bundle must be checked for tampering but the engineering team proposes using reversible encryption as the only check.

D:

Validate peer identity with a trusted certificate chain, correct hostname, certificate validity, and appropriate TLS policy before exchanging sensitive data. This step could matter for TLS certificate authentication and PKI but is not part of the required complementary pair for this case. The paired steps are: Use cryptographic hashes for integrity, authenticated key exchange for confidentiality, and maintain a migration inventory for post-quantum risks. and Inspect protected data lifetimes, protocol suites, key sizes, certificate dependencies, crypto inventory, and approved algorithm policies. Situation: A firmware bundle must be checked for tampering but the engineering team proposes using reversible encryption as the only check.

E:

Inspect sender and destination mismatch, sign-in geography, authentication strength, new device enrollment, and user-reported prompts. This step could matter for Credential phishing and account takeover but is not part of the required complementary pair for this case. The paired steps are: Use cryptographic hashes for integrity, authenticated key exchange for confidentiality, and maintain a migration inventory for post-quantum risks. and Inspect protected data lifetimes, protocol suites, key sizes, certificate dependencies, crypto inventory, and approved algorithm policies. Situation: A firmware bundle must be checked for tampering but the engineering team proposes using reversible encryption as the only check.

Question 543

A managed device on guest wireless needs one narrowly approved HR application and no access to the management VLAN. Which Cisco security control or operational response BEST addresses the stated need?

  1. Use cryptographic hashes for integrity, authenticated key exchange for confidentiality, and maintain a migration inventory for post-quantum risks.
  2. Evaluate identity, device posture, resource context, and least privilege per session rather than granting broad trust by physical network location.
  3. Combine suspicious message reporting, web destination inspection, reputation controls, and user training with enforceable authentication policies.
  4. Constrain compromised API credentials through scoped permissions, rotation, behavior alerts, and incident review rather than assuming encrypted transport prevents misuse.

Explanation

Correct Answer

B:

Evaluate identity, device posture, resource context, and least privilege per session rather than granting broad trust by physical network location. This control addresses the failure mechanism and narrows the enforcement boundary. Zero trust uses explicit verification and least-privilege access; being inside a perimeter is not sufficient proof of permission. Confirm pre-change conditions using: Inspect sign-in strength, device compliance, resource policy, segmentation, session risk, and reevaluation triggers. Situation: A managed device on guest wireless needs one narrowly approved HR application and no access to the management VLAN.

Incorrect Answers

A:

Use cryptographic hashes for integrity, authenticated key exchange for confidentiality, and maintain a migration inventory for post-quantum risks. This response applies to Cryptographic hashes and post-quantum planning, not the controlling requirement in this case. A bare hash does not provide secrecy; post-quantum preparation requires crypto-agility planning rather than claiming traditional algorithms are already future-proof. For this scenario, the targeted action is: Evaluate identity, device posture, resource context, and least privilege per session rather than granting broad trust by physical network location. Situation: A managed device on guest wireless needs one narrowly approved HR application and no access to the management VLAN.

C:

Combine suspicious message reporting, web destination inspection, reputation controls, and user training with enforceable authentication policies. This response applies to Phishing containment and domain verification, not the controlling requirement in this case. A secure email channel and DNS/web controls reduce exposure but cannot certify that every newly registered domain is benign. For this scenario, the targeted action is: Evaluate identity, device posture, resource context, and least privilege per session rather than granting broad trust by physical network location. Situation: A managed device on guest wireless needs one narrowly approved HR application and no access to the management VLAN.

D:

Constrain compromised API credentials through scoped permissions, rotation, behavior alerts, and incident review rather than assuming encrypted transport prevents misuse. This response applies to Cloud API breach and lateral movement, not the controlling requirement in this case. Encryption in transit protects a channel but does not limit an authorized-looking API request carrying a stolen bearer token. For this scenario, the targeted action is: Evaluate identity, device posture, resource context, and least privilege per session rather than granting broad trust by physical network location. Situation: A managed device on guest wireless needs one narrowly approved HR application and no access to the management VLAN.

Question 544

A login form creates database queries by concatenating browser inputs and has no parameter binding. Which Cisco security control or operational response BEST addresses the stated need?

  1. Triage software vulnerabilities using version applicability, exploit exposure, available remediation, and business impact alongside published CVE and CVSS data.
  2. Layer identity, network segmentation, endpoint, visibility, and policy enforcement around critical assets using Cisco SAFE-style security architecture principles.
  3. Constrain compromised API credentials through scoped permissions, rotation, behavior alerts, and incident review rather than assuming encrypted transport prevents misuse.
  4. Prevent SQL injection by separating untrusted field values from query structure using parameter binding and constrained database privileges.

Explanation

Correct Answer

D:

Prevent SQL injection by separating untrusted field values from query structure using parameter binding and constrained database privileges. This control addresses the failure mechanism and narrows the enforcement boundary. SQL injection exploits code/data confusion; input sanitization alone is weaker than parameterization plus least privilege. Confirm pre-change conditions using: Inspect dynamic SQL construction, query logs, supplied payloads, database role privileges, and application input paths. Situation: A login form creates database queries by concatenating browser inputs and has no parameter binding.

Incorrect Answers

A:

Triage software vulnerabilities using version applicability, exploit exposure, available remediation, and business impact alongside published CVE and CVSS data. This response applies to CVE and CVSS vulnerability prioritization, not the controlling requirement in this case. A CVE identifies a disclosed issue and CVSS summarizes severity characteristics; neither alone proves exposure or exploitation of a particular asset. For this scenario, the targeted action is: Prevent SQL injection by separating untrusted field values from query structure using parameter binding and constrained database privileges. Situation: A login form creates database queries by concatenating browser inputs and has no parameter binding.

B:

Layer identity, network segmentation, endpoint, visibility, and policy enforcement around critical assets using Cisco SAFE-style security architecture principles. This response applies to Defense in depth and Cisco SAFE, not the controlling requirement in this case. Defense in depth combines complementary independent controls; stacking duplicate products at one boundary does not protect other attack paths. For this scenario, the targeted action is: Prevent SQL injection by separating untrusted field values from query structure using parameter binding and constrained database privileges. Situation: A login form creates database queries by concatenating browser inputs and has no parameter binding.

C:

Constrain compromised API credentials through scoped permissions, rotation, behavior alerts, and incident review rather than assuming encrypted transport prevents misuse. This response applies to Cloud API breach and lateral movement, not the controlling requirement in this case. Encryption in transit protects a channel but does not limit an authorized-looking API request carrying a stolen bearer token. For this scenario, the targeted action is: Prevent SQL injection by separating untrusted field values from query structure using parameter binding and constrained database privileges. Situation: A login form creates database queries by concatenating browser inputs and has no parameter binding.

Question 545

A remote user is behind a hotel NAT and an IPsec tunnel stops at negotiation despite valid credentials. Before changing security policy, what evidence should the engineer examine FIRST?

  1. Inspect sign-in strength, device compliance, resource policy, segmentation, session risk, and reevaluation triggers.
  2. Inspect protected data lifetimes, protocol suites, key sizes, certificate dependencies, crypto inventory, and approved algorithm policies.
  3. Inspect IKE proposal mismatches, pre-shared or certificate identity, UDP 500 or 4500 reachability, NAT detection, and phase negotiation logs.
  4. Inspect existing policy objects, API conflict or retry responses, object identifiers, approvals, and rollback artifacts.

Explanation

Correct Answer

C:

Inspect IKE proposal mismatches, pre-shared or certificate identity, UDP 500 or 4500 reachability, NAT detection, and phase negotiation logs. This checks the relevant condition before an engineer modifies production access or detection behavior. NAT traversal commonly encapsulates ESP over UDP 4500; a successful IKE handshake alone does not prove data-plane IPsec traffic passes. The controlled response would be: Use negotiated IKE/IPsec proposals with matching identities and selectors, and enable appropriate UDP encapsulation when NAT disrupts ESP carriage. Situation: A remote user is behind a hotel NAT and an IPsec tunnel stops at negotiation despite valid credentials.

Incorrect Answers

A:

Inspect sign-in strength, device compliance, resource policy, segmentation, session risk, and reevaluation triggers. This evidence addresses Zero trust continuous authorization; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect IKE proposal mismatches, pre-shared or certificate identity, UDP 500 or 4500 reachability, NAT detection, and phase negotiation logs. Situation: A remote user is behind a hotel NAT and an IPsec tunnel stops at negotiation despite valid credentials.

B:

Inspect protected data lifetimes, protocol suites, key sizes, certificate dependencies, crypto inventory, and approved algorithm policies. This evidence addresses Cryptographic hashes and post-quantum planning; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect IKE proposal mismatches, pre-shared or certificate identity, UDP 500 or 4500 reachability, NAT detection, and phase negotiation logs. Situation: A remote user is behind a hotel NAT and an IPsec tunnel stops at negotiation despite valid credentials.

D:

Inspect existing policy objects, API conflict or retry responses, object identifiers, approvals, and rollback artifacts. This evidence addresses Idempotent policy automation and rollback; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect IKE proposal mismatches, pre-shared or certificate identity, UDP 500 or 4500 reachability, NAT detection, and phase negotiation logs. Situation: A remote user is behind a hotel NAT and an IPsec tunnel stops at negotiation despite valid credentials.

Question 546

A compliance auditor asks how cloud misconfiguration alerts are linked to assigned owners and remediation evidence. Which observed result BEST confirms that the security requirement is met?

  1. Equivalent approved network and identity restrictions work on each target cloud without assuming policy formats are interchangeable.
  2. Approved cloud-to-cloud application traffic follows the intended inspected path while unauthorized egress is denied.
  3. Misconfigured public resources are detected and controlled while approved exceptions remain documented and reviewed.
  4. Workload process-to-network events are attributable without destabilizing the monitored host or overstating enforcement abilities.

Explanation

Correct Answer

C:

Misconfigured public resources are detected and controlled while approved exceptions remain documented and reviewed. This is an observable acceptance condition, rather than an assumption that enabling a feature alone proves security. A cloud security posture view helps identify configuration drift, but a dashboard does not enforce remediation without policy and ownership. Situation: A compliance auditor asks how cloud misconfiguration alerts are linked to assigned owners and remediation evidence.

Incorrect Answers

A:

Equivalent approved network and identity restrictions work on each target cloud without assuming policy formats are interchangeable. This outcome tests Multicloud identity and centralized policy governance and is not sufficient proof of the stated requirement. Here the relevant validation is: Misconfigured public resources are detected and controlled while approved exceptions remain documented and reviewed. Situation: A compliance auditor asks how cloud misconfiguration alerts are linked to assigned owners and remediation evidence.

B:

Approved cloud-to-cloud application traffic follows the intended inspected path while unauthorized egress is denied. This outcome tests Cisco Multicloud Defense traffic policy and is not sufficient proof of the stated requirement. Here the relevant validation is: Misconfigured public resources are detected and controlled while approved exceptions remain documented and reviewed. Situation: A compliance auditor asks how cloud misconfiguration alerts are linked to assigned owners and remediation evidence.

D:

Workload process-to-network events are attributable without destabilizing the monitored host or overstating enforcement abilities. This outcome tests eBPF security telemetry scope and is not sufficient proof of the stated requirement. Here the relevant validation is: Misconfigured public resources are detected and controlled while approved exceptions remain documented and reviewed. Situation: A compliance auditor asks how cloud misconfiguration alerts are linked to assigned owners and remediation evidence.

Question 547

A scheduled Python job changes an access policy without recording its previous rule order or change request. Which observed result BEST confirms that the security requirement is met?

  1. An impostor email does not redirect supplier payments or change account settings without a separately validated authorization.
  2. A permitted read returns validated records while unauthorized writes and non-success responses never masquerade as completed changes.
  3. Authorized managed devices establish intended access while untrusted endpoints or excluded networks cannot bypass remote-access policy.
  4. Repeated authorized execution preserves the intended single rule and failed updates can be reverted without unintended duplicate objects.

Explanation

Correct Answer

D:

Repeated authorized execution preserves the intended single rule and failed updates can be reverted without unintended duplicate objects. This is an observable acceptance condition, rather than an assumption that enabling a feature alone proves security. Blind retries of security policy POST requests can create duplicate or contradictory rules; idempotency and change tracking protect consistency. Situation: A scheduled Python job changes an access policy without recording its previous rule order or change request.

Incorrect Answers

A:

An impostor email does not redirect supplier payments or change account settings without a separately validated authorization. This outcome tests Business email compromise verification and is not sufficient proof of the stated requirement. Here the relevant validation is: Repeated authorized execution preserves the intended single rule and failed updates can be reverted without unintended duplicate objects. Situation: A scheduled Python job changes an access policy without recording its previous rule order or change request.

B:

A permitted read returns validated records while unauthorized writes and non-success responses never masquerade as completed changes. This outcome tests Authenticated security API requests and is not sufficient proof of the stated requirement. Here the relevant validation is: Repeated authorized execution preserves the intended single rule and failed updates can be reverted without unintended duplicate objects. Situation: A scheduled Python job changes an access policy without recording its previous rule order or change request.

C:

Authorized managed devices establish intended access while untrusted endpoints or excluded networks cannot bypass remote-access policy. This outcome tests Remote access VPN client controls and is not sufficient proof of the stated requirement. Here the relevant validation is: Repeated authorized execution preserves the intended single rule and failed updates can be reverted without unintended duplicate objects. Situation: A scheduled Python job changes an access policy without recording its previous rule order or change request.

Question 548

Dynamic ARP inspection fails to validate an otherwise legitimate host because its snooping binding is missing. Which TWO complementary steps provide the most defensible remediation and its supporting assessment? Select TWO.

  1. Use Dynamic ARP Inspection with reliable IP-to-MAC bindings to reject forged ARP claims on untrusted access interfaces.
  2. Enable DHCP snooping on the supported switch VLANs and trust only intended DHCP-server-facing interfaces.
  3. Intended users receive the correct policy and connection failures can be attributed to a specific AAA stage.
  4. Inspect VLAN enablement, trusted port design, binding table entries, DHCP offer sources, and port limits.
  5. Inspect supported device inventory, tenant enrollment, API roles, internet management path, change evidence, and local fallback.

Explanation

Correct Answers

B:

Enable DHCP snooping on the supported switch VLANs and trust only intended DHCP-server-facing interfaces. This control addresses the failure mechanism and narrows the enforcement boundary. DHCP snooping distinguishes trusted DHCP infrastructure from untrusted access ports and creates bindings useful for other Layer 2 controls. Confirm pre-change conditions using: Inspect VLAN enablement, trusted port design, binding table entries, DHCP offer sources, and port limits. This is the implementation portion of the complementary pair. Situation: Dynamic ARP inspection fails to validate an otherwise legitimate host because its snooping binding is missing.

D:

Inspect VLAN enablement, trusted port design, binding table entries, DHCP offer sources, and port limits. This checks the relevant condition before an engineer modifies production access or detection behavior. DHCP snooping distinguishes trusted DHCP infrastructure from untrusted access ports and creates bindings useful for other Layer 2 controls. The controlled response would be: Enable DHCP snooping on the supported switch VLANs and trust only intended DHCP-server-facing interfaces. This supplies the diagnostic evidence needed for the complementary action. Situation: Dynamic ARP inspection fails to validate an otherwise legitimate host because its snooping binding is missing.

Incorrect Answers

A:

Use Dynamic ARP Inspection with reliable IP-to-MAC bindings to reject forged ARP claims on untrusted access interfaces. This step could matter for Dynamic ARP inspection and spoofed gateway but is not part of the required complementary pair for this case. The paired steps are: Enable DHCP snooping on the supported switch VLANs and trust only intended DHCP-server-facing interfaces. and Inspect VLAN enablement, trusted port design, binding table entries, DHCP offer sources, and port limits. Situation: Dynamic ARP inspection fails to validate an otherwise legitimate host because its snooping binding is missing.

C:

Intended users receive the correct policy and connection failures can be attributed to a specific AAA stage. This step could matter for RADIUS network access troubleshooting but is not part of the required complementary pair for this case. The paired steps are: Enable DHCP snooping on the supported switch VLANs and trust only intended DHCP-server-facing interfaces. and Inspect VLAN enablement, trusted port design, binding table entries, DHCP offer sources, and port limits. Situation: Dynamic ARP inspection fails to validate an otherwise legitimate host because its snooping binding is missing.

E:

Inspect supported device inventory, tenant enrollment, API roles, internet management path, change evidence, and local fallback. This step could matter for Cisco Security Cloud Control management boundary but is not part of the required complementary pair for this case. The paired steps are: Enable DHCP snooping on the supported switch VLANs and trust only intended DHCP-server-facing interfaces. and Inspect VLAN enablement, trusted port design, binding table entries, DHCP offer sources, and port limits. Situation: Dynamic ARP inspection fails to validate an otherwise legitimate host because its snooping binding is missing.

Question 549

A branch deploys a virtual tunnel interface but forgets to advertise a newly added application network. Which Cisco security control or operational response BEST addresses the stated need?

  1. Protect remote workers with supported Cisco Secure Client VPN authentication, endpoint posture, split-routing policy, and controlled profile distribution.
  2. Evaluate identity, device posture, resource context, and least privilege per session rather than granting broad trust by physical network location.
  3. Choose route-based IPsec tunnels when dynamic routed topologies need predictable overlay interfaces and matched security policies.
  4. Verify payment or access-change requests through an independently established channel and enforce dual approval for high-impact changes.

Explanation

Correct Answer

C:

Choose route-based IPsec tunnels when dynamic routed topologies need predictable overlay interfaces and matched security policies. This control addresses the failure mechanism and narrows the enforcement boundary. Route-based VPN separates routing decisions from the cryptographic tunnel interface whereas policy-based VPN relies on matching crypto traffic definitions. Confirm pre-change conditions using: Inspect site prefix growth, routing requirements, traffic selectors, tunnel-interface support, and failover paths. Situation: A branch deploys a virtual tunnel interface but forgets to advertise a newly added application network.

Incorrect Answers

A:

Protect remote workers with supported Cisco Secure Client VPN authentication, endpoint posture, split-routing policy, and controlled profile distribution. This response applies to Remote access VPN client controls, not the controlling requirement in this case. Remote access VPN authenticates a user or device and creates protected transport; reachability still depends on routes, authorizations, and posture. For this scenario, the targeted action is: Choose route-based IPsec tunnels when dynamic routed topologies need predictable overlay interfaces and matched security policies. Situation: A branch deploys a virtual tunnel interface but forgets to advertise a newly added application network.

B:

Evaluate identity, device posture, resource context, and least privilege per session rather than granting broad trust by physical network location. This response applies to Zero trust continuous authorization, not the controlling requirement in this case. Zero trust uses explicit verification and least-privilege access; being inside a perimeter is not sufficient proof of permission. For this scenario, the targeted action is: Choose route-based IPsec tunnels when dynamic routed topologies need predictable overlay interfaces and matched security policies. Situation: A branch deploys a virtual tunnel interface but forgets to advertise a newly added application network.

D:

Verify payment or access-change requests through an independently established channel and enforce dual approval for high-impact changes. This response applies to Business email compromise verification, not the controlling requirement in this case. A convincing display name or reply chain does not prove a sender can authorize sensitive financial and access changes. For this scenario, the targeted action is: Choose route-based IPsec tunnels when dynamic routed topologies need predictable overlay interfaces and matched security policies. Situation: A branch deploys a virtual tunnel interface but forgets to advertise a newly added application network.

Question 550

A router automation app can read device state but unexpectedly receives permission to change every interface. Which TWO complementary steps provide the most defensible remediation and its supporting assessment? Select TWO.

  1. Inspect SSH/HTTPS management services, NETCONF or RESTCONF configuration, model schema, access roles, and operation results.
  2. Inspect source/destination tuples, flow duration, byte counts, exporters, collector receipt, and sampling configuration.
  3. Intended users receive the correct policy and connection failures can be attributed to a specific AAA stage.
  4. Protect programmable device management with authenticated endpoints, transport encryption, role authorization, and change transaction logging.
  5. Use SNMPv3 with authentication and privacy where appropriate and restrict agents to approved management sources and read views.

Explanation

Correct Answers

A:

Inspect SSH/HTTPS management services, NETCONF or RESTCONF configuration, model schema, access roles, and operation results. This checks the relevant condition before an engineer modifies production access or detection behavior. Programmable interfaces are management planes with security obligations comparable to CLI access; enabling RESTCONF does not itself validate an automation request. The controlled response would be: Protect programmable device management with authenticated endpoints, transport encryption, role authorization, and change transaction logging. This supplies the diagnostic evidence needed for the complementary action. Situation: A router automation app can read device state but unexpectedly receives permission to change every interface.

D:

Protect programmable device management with authenticated endpoints, transport encryption, role authorization, and change transaction logging. This control addresses the failure mechanism and narrows the enforcement boundary. Programmable interfaces are management planes with security obligations comparable to CLI access; enabling RESTCONF does not itself validate an automation request. Confirm pre-change conditions using: Inspect SSH/HTTPS management services, NETCONF or RESTCONF configuration, model schema, access roles, and operation results. This is the implementation portion of the complementary pair. Situation: A router automation app can read device state but unexpectedly receives permission to change every interface.

Incorrect Answers

B:

Inspect source/destination tuples, flow duration, byte counts, exporters, collector receipt, and sampling configuration. This step could matter for NetFlow and telemetry flow analysis but is not part of the required complementary pair for this case. The paired steps are: Protect programmable device management with authenticated endpoints, transport encryption, role authorization, and change transaction logging. and Inspect SSH/HTTPS management services, NETCONF or RESTCONF configuration, model schema, access roles, and operation results. Situation: A router automation app can read device state but unexpectedly receives permission to change every interface.

C:

Intended users receive the correct policy and connection failures can be attributed to a specific AAA stage. This step could matter for RADIUS network access troubleshooting but is not part of the required complementary pair for this case. The paired steps are: Protect programmable device management with authenticated endpoints, transport encryption, role authorization, and change transaction logging. and Inspect SSH/HTTPS management services, NETCONF or RESTCONF configuration, model schema, access roles, and operation results. Situation: A router automation app can read device state but unexpectedly receives permission to change every interface.

E:

Use SNMPv3 with authentication and privacy where appropriate and restrict agents to approved management sources and read views. This step could matter for SNMPv3 authenticated encrypted polling but is not part of the required complementary pair for this case. The paired steps are: Protect programmable device management with authenticated endpoints, transport encryption, role authorization, and change transaction logging. and Inspect SSH/HTTPS management services, NETCONF or RESTCONF configuration, model schema, access roles, and operation results. Situation: A router automation app can read device state but unexpectedly receives permission to change every interface.

Implementing and Operating Cisco Security Core Technologies (350-701) Practice Tests