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Cisco 350-701 Practice Test 43

Question 420

A cloud proxy sees only encrypted application sessions and administrators mistake absent DLP events for proof no sensitive data was uploaded. Before changing security policy, what evidence should the engineer examine FIRST?

  1. Inspect client connector state, network tunnel health, identity source, route exclusions, and effective access policy.
  2. Inspect certificate trust, destination classification, decryptability, business exceptions, inspection policy, and client breakage.
  3. Inspect security service requirements, remote site connectivity, traffic steering, policy locations, and branch routing control.
  4. Inspect identity or network group matching, DNS and HTTP policy, category verdicts, policy priority, and traffic forwarding health.

Explanation

Correct Answer

B:

Inspect certificate trust, destination classification, decryptability, business exceptions, inspection policy, and client breakage. This checks the relevant condition before an engineer modifies production access or detection behavior. HTTPS inspection enables deeper policy evaluation on permitted traffic but requires trust deployment, privacy governance, and compatibility testing. The controlled response would be: Apply internet security controls with an authorized TLS inspection strategy and define exceptions for sensitive or unsupported applications. Situation: A cloud proxy sees only encrypted application sessions and administrators mistake absent DLP events for proof no sensitive data was uploaded.

Incorrect Answers

A:

Inspect client connector state, network tunnel health, identity source, route exclusions, and effective access policy. This evidence addresses Remote identity and traffic steering in SSE; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect certificate trust, destination classification, decryptability, business exceptions, inspection policy, and client breakage. Situation: A cloud proxy sees only encrypted application sessions and administrators mistake absent DLP events for proof no sensitive data was uploaded.

C:

Inspect security service requirements, remote site connectivity, traffic steering, policy locations, and branch routing control. This evidence addresses SSE compared with SASE architecture; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect certificate trust, destination classification, decryptability, business exceptions, inspection policy, and client breakage. Situation: A cloud proxy sees only encrypted application sessions and administrators mistake absent DLP events for proof no sensitive data was uploaded.

D:

Inspect identity or network group matching, DNS and HTTP policy, category verdicts, policy priority, and traffic forwarding health. This evidence addresses Cisco Secure Access internet use policy; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect certificate trust, destination classification, decryptability, business exceptions, inspection policy, and client breakage. Situation: A cloud proxy sees only encrypted application sessions and administrators mistake absent DLP events for proof no sensitive data was uploaded.

Question 421

An edge device suffers CPU spikes from unwanted control-plane traffic while transit forwarding remains otherwise normal. Which TWO complementary steps provide the most defensible remediation and its supporting assessment? Select TWO.

  1. Limit administrative exposure, authenticate routing and management where supported, and protect control-plane resources against abuse.
  2. Compare running Cisco IOS XE or Secure Firewall settings to an applicable CIS benchmark, document justified exceptions, and remediate deviations.
  3. Approved branch traffic traverses the encrypted tunnel and response packets return through the selected protected path.
  4. Inspect source and destination zone matching, network objects, application identification, default action, policy order, and hit counts.
  5. Review VTY/SSH configuration, management VRFs or ACLs, CoPP policy, routing adjacencies, and logging paths.

Explanation

Correct Answers

A:

Limit administrative exposure, authenticate routing and management where supported, and protect control-plane resources against abuse. This control addresses the failure mechanism and narrows the enforcement boundary. A network device has distinct control, data, and management planes; each requires separate scoped protection. Confirm pre-change conditions using: Review VTY/SSH configuration, management VRFs or ACLs, CoPP policy, routing adjacencies, and logging paths. This is the implementation portion of the complementary pair. Situation: An edge device suffers CPU spikes from unwanted control-plane traffic while transit forwarding remains otherwise normal.

E:

Review VTY/SSH configuration, management VRFs or ACLs, CoPP policy, routing adjacencies, and logging paths. This checks the relevant condition before an engineer modifies production access or detection behavior. A network device has distinct control, data, and management planes; each requires separate scoped protection. The controlled response would be: Limit administrative exposure, authenticate routing and management where supported, and protect control-plane resources against abuse. This supplies the diagnostic evidence needed for the complementary action. Situation: An edge device suffers CPU spikes from unwanted control-plane traffic while transit forwarding remains otherwise normal.

Incorrect Answers

B:

Compare running Cisco IOS XE or Secure Firewall settings to an applicable CIS benchmark, document justified exceptions, and remediate deviations. This step could matter for CIS device configuration baseline assessment but is not part of the required complementary pair for this case. The paired steps are: Limit administrative exposure, authenticate routing and management where supported, and protect control-plane resources against abuse. and Review VTY/SSH configuration, management VRFs or ACLs, CoPP policy, routing adjacencies, and logging paths. Situation: An edge device suffers CPU spikes from unwanted control-plane traffic while transit forwarding remains otherwise normal.

C:

Approved branch traffic traverses the encrypted tunnel and response packets return through the selected protected path. This step could matter for FTD site-to-site VPN crypto policy but is not part of the required complementary pair for this case. The paired steps are: Limit administrative exposure, authenticate routing and management where supported, and protect control-plane resources against abuse. and Review VTY/SSH configuration, management VRFs or ACLs, CoPP policy, routing adjacencies, and logging paths. Situation: An edge device suffers CPU spikes from unwanted control-plane traffic while transit forwarding remains otherwise normal.

D:

Inspect source and destination zone matching, network objects, application identification, default action, policy order, and hit counts. This step could matter for FTD access control rule ordering but is not part of the required complementary pair for this case. The paired steps are: Limit administrative exposure, authenticate routing and management where supported, and protect control-plane resources against abuse. and Review VTY/SSH configuration, management VRFs or ACLs, CoPP policy, routing adjacencies, and logging paths. Situation: An edge device suffers CPU spikes from unwanted control-plane traffic while transit forwarding remains otherwise normal.

Question 422

An administrator wants to restrict web-to-database connections without breaking documented monitoring flows. Which TWO complementary steps provide the most defensible remediation and its supporting assessment? Select TWO.

  1. Inspect observed workload flows, application labels, operating-system compatibility, enforcement capabilities, and permitted dependency graphs.
  2. Model workload dependencies and use policy-based application segmentation for least-privilege east-west communication with Cisco Secure Workload.
  3. Workload process-to-network events are attributable without destabilizing the monitored host or overstating enforcement abilities.
  4. Inspect OAuth app grants, external collaboration settings, admin roles, account lifecycle, and cloud sharing audit logs.
  5. Use Cisco Multicloud Defense concepts to define controlled ingress, egress, and workload traffic inspection across supported cloud networks.

Explanation

Correct Answers

A:

Inspect observed workload flows, application labels, operating-system compatibility, enforcement capabilities, and permitted dependency graphs. This checks the relevant condition before an engineer modifies production access or detection behavior. Workload microsegmentation controls internal communications based on application context; it complements rather than replaces internet-facing perimeter security. The controlled response would be: Model workload dependencies and use policy-based application segmentation for least-privilege east-west communication with Cisco Secure Workload. This supplies the diagnostic evidence needed for the complementary action. Situation: An administrator wants to restrict web-to-database connections without breaking documented monitoring flows.

B:

Model workload dependencies and use policy-based application segmentation for least-privilege east-west communication with Cisco Secure Workload. This control addresses the failure mechanism and narrows the enforcement boundary. Workload microsegmentation controls internal communications based on application context; it complements rather than replaces internet-facing perimeter security. Confirm pre-change conditions using: Inspect observed workload flows, application labels, operating-system compatibility, enforcement capabilities, and permitted dependency graphs. This is the implementation portion of the complementary pair. Situation: An administrator wants to restrict web-to-database connections without breaking documented monitoring flows.

Incorrect Answers

C:

Workload process-to-network events are attributable without destabilizing the monitored host or overstating enforcement abilities. This step could matter for eBPF security telemetry scope but is not part of the required complementary pair for this case. The paired steps are: Model workload dependencies and use policy-based application segmentation for least-privilege east-west communication with Cisco Secure Workload. and Inspect observed workload flows, application labels, operating-system compatibility, enforcement capabilities, and permitted dependency graphs. Situation: An administrator wants to restrict web-to-database connections without breaking documented monitoring flows.

D:

Inspect OAuth app grants, external collaboration settings, admin roles, account lifecycle, and cloud sharing audit logs. This step could matter for SaaS configuration and tenant boundary protection but is not part of the required complementary pair for this case. The paired steps are: Model workload dependencies and use policy-based application segmentation for least-privilege east-west communication with Cisco Secure Workload. and Inspect observed workload flows, application labels, operating-system compatibility, enforcement capabilities, and permitted dependency graphs. Situation: An administrator wants to restrict web-to-database connections without breaking documented monitoring flows.

E:

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: Model workload dependencies and use policy-based application segmentation for least-privilege east-west communication with Cisco Secure Workload. and Inspect observed workload flows, application labels, operating-system compatibility, enforcement capabilities, and permitted dependency graphs. Situation: An administrator wants to restrict web-to-database connections without breaking documented monitoring flows.

Question 423

An enterprise switch permits all data traffic before its 802.1X supplicant exchange completes. Which observed result BEST confirms that the security requirement is met?

  1. A supported supplicant joins the assigned network only after successful authentication and policy assignment.
  2. A test high-confidence threat generates one attributable case and a documented approved response without duplicate unsafe playbook actions.
  3. A linked multi-source incident supports proportional containment with evidence from affected devices and services.
  4. An enrolled printer communicates only with approved print services while an unknown MAC does not gain employee privileges.

Explanation

Correct Answer

A:

A supported supplicant joins the assigned network only after successful authentication and policy assignment. This is an observable acceptance condition, rather than an assumption that enabling a feature alone proves security. In 802.1X the endpoint supplicant communicates through an authenticator to a back-end authentication server; access policy follows AAA results. Situation: An enterprise switch permits all data traffic before its 802.1X supplicant exchange completes.

Incorrect Answers

B:

A test high-confidence threat generates one attributable case and a documented approved response without duplicate unsafe playbook actions. This outcome tests Splunk event orchestration and response workflows and is not sufficient proof of the stated requirement. Here the relevant validation is: A supported supplicant joins the assigned network only after successful authentication and policy assignment. Situation: An enterprise switch permits all data traffic before its 802.1X supplicant exchange completes.

C:

A linked multi-source incident supports proportional containment with evidence from affected devices and services. This outcome tests Cisco XDR cross-source incident correlation and is not sufficient proof of the stated requirement. Here the relevant validation is: A supported supplicant joins the assigned network only after successful authentication and policy assignment. Situation: An enterprise switch permits all data traffic before its 802.1X supplicant exchange completes.

D:

An enrolled printer communicates only with approved print services while an unknown MAC does not gain employee privileges. This outcome tests MAB fallback and printer restriction and is not sufficient proof of the stated requirement. Here the relevant validation is: A supported supplicant joins the assigned network only after successful authentication and policy assignment. Situation: An enterprise switch permits all data traffic before its 802.1X supplicant exchange completes.

Question 424

A CI pipeline signs images but ignores known critical vulnerabilities in bundled open-source components. Which observed result BEST confirms that the security requirement is met?

  1. A test cloud privilege escalation is detected with linked sign-in and API activity rather than isolated low-context alerts.
  2. A deliberately public data service or embedded secret is rejected in CI before a production resource is created.
  3. A critical vulnerable dependency blocks promotion and approved remediation produces an auditable releasable artifact.
  4. Workload process-to-network events are attributable without destabilizing the monitored host or overstating enforcement abilities.

Explanation

Correct Answer

C:

A critical vulnerable dependency blocks promotion and approved remediation produces an auditable releasable artifact. This is an observable acceptance condition, rather than an assumption that enabling a feature alone proves security. DevSecOps embeds security early in delivery while preserving trusted runtime controls; scanning after production is not an adequate release gate. Situation: A CI pipeline signs images but ignores known critical vulnerabilities in bundled open-source components.

Incorrect Answers

A:

A test cloud privilege escalation is detected with linked sign-in and API activity rather than isolated low-context alerts. This outcome tests Splunk detection correlation across cloud feeds and is not sufficient proof of the stated requirement. Here the relevant validation is: A critical vulnerable dependency blocks promotion and approved remediation produces an auditable releasable artifact. Situation: A CI pipeline signs images but ignores known critical vulnerabilities in bundled open-source components.

B:

A deliberately public data service or embedded secret is rejected in CI before a production resource is created. This outcome tests Infrastructure as Code security gate and is not sufficient proof of the stated requirement. Here the relevant validation is: A critical vulnerable dependency blocks promotion and approved remediation produces an auditable releasable artifact. Situation: A CI pipeline signs images but ignores known critical vulnerabilities in bundled open-source components.

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: A critical vulnerable dependency blocks promotion and approved remediation produces an auditable releasable artifact. Situation: A CI pipeline signs images but ignores known critical vulnerabilities in bundled open-source components.

Question 425

A Kubernetes pod launches as privileged with host filesystem access to solve a simple permissions error. Which Cisco security control or operational response BEST addresses the stated need?

  1. Combine dependency, container, and code security checks with change approval and deployment rollback across a DevSecOps pipeline.
  2. Protect container workloads with approved image provenance, minimal privileges, network boundaries, and runtime monitoring.
  3. Use appropriately supported eBPF-based observation to understand process and network activity without assuming kernel hooks enforce every application policy.
  4. Model workload dependencies and use policy-based application segmentation for least-privilege east-west communication with Cisco Secure Workload.

Explanation

Correct Answer

B:

Protect container workloads with approved image provenance, minimal privileges, network boundaries, and runtime monitoring. This control addresses the failure mechanism and narrows the enforcement boundary. A container isolates processes but is not a complete trust boundary; host privileges, image supply chain, and runtime identity remain material. Confirm pre-change conditions using: Inspect image signatures or digests, container service accounts, secrets mounts, node permissions, and east-west traffic. Situation: A Kubernetes pod launches as privileged with host filesystem access to solve a simple permissions error.

Incorrect Answers

A:

Combine dependency, container, and code security checks with change approval and deployment rollback across a DevSecOps pipeline. This response applies to CI CD container and application security lifecycle, not the controlling requirement in this case. DevSecOps embeds security early in delivery while preserving trusted runtime controls; scanning after production is not an adequate release gate. For this scenario, the targeted action is: Protect container workloads with approved image provenance, minimal privileges, network boundaries, and runtime monitoring. Situation: A Kubernetes pod launches as privileged with host filesystem access to solve a simple permissions error.

C:

Use appropriately supported eBPF-based observation to understand process and network activity without assuming kernel hooks enforce every application policy. This response applies to eBPF security telemetry scope, not the controlling requirement in this case. eBPF enables efficient programmable Linux kernel instrumentation, but security capabilities depend on the actual sensor and deployment configuration. For this scenario, the targeted action is: Protect container workloads with approved image provenance, minimal privileges, network boundaries, and runtime monitoring. Situation: A Kubernetes pod launches as privileged with host filesystem access to solve a simple permissions error.

D:

Model workload dependencies and use policy-based application segmentation for least-privilege east-west communication with Cisco Secure Workload. This response applies to Cisco Secure Workload microsegmentation, not the controlling requirement in this case. Workload microsegmentation controls internal communications based on application context; it complements rather than replaces internet-facing perimeter security. For this scenario, the targeted action is: Protect container workloads with approved image provenance, minimal privileges, network boundaries, and runtime monitoring. Situation: A Kubernetes pod launches as privileged with host filesystem access to solve a simple permissions error.

Question 426

An organization with mixed on-prem mail systems requires pre-delivery inline inspection rather than after-arrival alerting. Before changing security policy, what evidence should the engineer examine FIRST?

  1. Inspect disposition change, prevalence, isolation status, affected host roles, event sequence, and unresolved detections.
  2. Inspect sender authentication, impersonation indications, inbound/outbound message direction, detection verdict, and remediation authorization.
  3. Inspect file trajectory, device trajectory, hash reputation, user identity, process parentage, and action taken.
  4. Inspect email platform, API permissions, journaling architecture, allowed mail-flow changes, product entitlement, and required remediation actions.

Explanation

Correct Answer

D:

Inspect email platform, API permissions, journaling architecture, allowed mail-flow changes, product entitlement, and required remediation actions. This checks the relevant condition before an engineer modifies production access or detection behavior. Cisco ETD deployment options differ: a supplemental mailbox visibility path and a supported gateway path have different enforcement timing and platform prerequisites. The controlled response would be: Choose supported Email Threat Defense supplementary mailbox visibility or inline gateway enforcement according to platform and pre-delivery requirements. Situation: An organization with mixed on-prem mail systems requires pre-delivery inline inspection rather than after-arrival alerting.

Incorrect Answers

A:

Inspect disposition change, prevalence, isolation status, affected host roles, event sequence, and unresolved detections. This evidence addresses Endpoint malware event prioritization; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect email platform, API permissions, journaling architecture, allowed mail-flow changes, product entitlement, and required remediation actions. Situation: An organization with mixed on-prem mail systems requires pre-delivery inline inspection rather than after-arrival alerting.

B:

Inspect sender authentication, impersonation indications, inbound/outbound message direction, detection verdict, and remediation authorization. This evidence addresses Email Threat Defense anti impersonation controls; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect email platform, API permissions, journaling architecture, allowed mail-flow changes, product entitlement, and required remediation actions. Situation: An organization with mixed on-prem mail systems requires pre-delivery inline inspection rather than after-arrival alerting.

C:

Inspect file trajectory, device trajectory, hash reputation, user identity, process parentage, and action taken. This evidence addresses Secure Endpoint detection event trajectory; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect email platform, API permissions, journaling architecture, allowed mail-flow changes, product entitlement, and required remediation actions. Situation: An organization with mixed on-prem mail systems requires pre-delivery inline inspection rather than after-arrival alerting.

Question 427

A data center service fails under many distributed connections while ordinary endpoint antivirus alerts remain quiet. Which observed result BEST confirms that the security requirement is met?

  1. Authorized managed devices establish intended access while untrusted endpoints or excluded networks cannot bypass remote-access policy.
  2. A hostile document can be summarized without causing the assistant to reveal credentials or invoke unapproved tools.
  3. A forged login page cannot grant privileged access using only a stolen password and abnormal sign-ins generate reviewable alerts.
  4. The response mitigates the documented attack mechanism without mistaking a network flood for a local infected binary.

Explanation

Correct Answer

D:

The response mitigates the documented attack mechanism without mistaking a network flood for a local infected binary. This is an observable acceptance condition, rather than an assumption that enabling a feature alone proves security. A volumetric DDoS overwhelms service capacity whereas a Trojan executes on a host; discriminating evidence is required for targeted controls. Situation: A data center service fails under many distributed connections while ordinary endpoint antivirus alerts remain quiet.

Incorrect Answers

A:

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: The response mitigates the documented attack mechanism without mistaking a network flood for a local infected binary. Situation: A data center service fails under many distributed connections while ordinary endpoint antivirus alerts remain quiet.

B:

A hostile document can be summarized without causing the assistant to reveal credentials or invoke unapproved tools. This outcome tests Prompt injection trust boundary and is not sufficient proof of the stated requirement. Here the relevant validation is: The response mitigates the documented attack mechanism without mistaking a network flood for a local infected binary. Situation: A data center service fails under many distributed connections while ordinary endpoint antivirus alerts remain quiet.

C:

A forged login page cannot grant privileged access using only a stolen password and abnormal sign-ins generate reviewable alerts. This outcome tests Credential phishing and account takeover and is not sufficient proof of the stated requirement. Here the relevant validation is: The response mitigates the documented attack mechanism without mistaking a network flood for a local infected binary. Situation: A data center service fails under many distributed connections while ordinary endpoint antivirus alerts remain quiet.

Question 428

A customer service platform links the wrong company tenant to a shared identity integration. Which observed result BEST confirms that the security requirement is met?

  1. Required cloud audit events are searchable with accurate timestamps and identifiable source fields after ingestion.
  2. Equivalent approved network and identity restrictions work on each target cloud without assuming policy formats are interchangeable.
  3. Users reach authorized cloud services while prohibited sharing patterns and unsanctioned SaaS activity are identified.
  4. External guests cannot read restricted resources and an integration token cannot access unrelated customer tenants.

Explanation

Correct Answer

D:

External guests cannot read restricted resources and an integration token cannot access unrelated customer tenants. This is an observable acceptance condition, rather than an assumption that enabling a feature alone proves security. SaaS security remains a shared responsibility: provider-hosted software does not make permissive tenant configuration secure. Situation: A customer service platform links the wrong company tenant to a shared identity integration.

Incorrect Answers

A:

Required cloud audit events are searchable with accurate timestamps and identifiable source fields after ingestion. This outcome tests Splunk cloud source onboarding and is not sufficient proof of the stated requirement. Here the relevant validation is: External guests cannot read restricted resources and an integration token cannot access unrelated customer tenants. Situation: A customer service platform links the wrong company tenant to a shared identity integration.

B:

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: External guests cannot read restricted resources and an integration token cannot access unrelated customer tenants. Situation: A customer service platform links the wrong company tenant to a shared identity integration.

C:

Users reach authorized cloud services while prohibited sharing patterns and unsanctioned SaaS activity are identified. This outcome tests Cloud deployment and CASB suitability and is not sufficient proof of the stated requirement. Here the relevant validation is: External guests cannot read restricted resources and an integration token cannot access unrelated customer tenants. Situation: A customer service platform links the wrong company tenant to a shared identity integration.

Question 429

An external engineer authenticates successfully yet cannot reach an approved operations subnet after VPN connection. Before changing security policy, what evidence should the engineer examine FIRST?

  1. Inspect source provenance, attempted instruction overrides, allowed tool verbs, prompt isolation, and server-side authorization results.
  2. Inspect site prefix growth, routing requirements, traffic selectors, tunnel-interface support, and failover paths.
  3. Inspect API documentation, token scope, request headers, JSON schema, response status, and transaction logs.
  4. Inspect client connection logs, authentication flow, posture result, assigned routes, certificate policy, and headend access control.

Explanation

Correct Answer

D:

Inspect client connection logs, authentication flow, posture result, assigned routes, certificate policy, and headend access control. This checks the relevant condition before an engineer modifies production access or detection behavior. Remote access VPN authenticates a user or device and creates protected transport; reachability still depends on routes, authorizations, and posture. The controlled response would be: Protect remote workers with supported Cisco Secure Client VPN authentication, endpoint posture, split-routing policy, and controlled profile distribution. Situation: An external engineer authenticates successfully yet cannot reach an approved operations subnet after VPN connection.

Incorrect Answers

A:

Inspect source provenance, attempted instruction overrides, allowed tool verbs, prompt isolation, and server-side authorization results. This evidence addresses Prompt injection trust boundary; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect client connection logs, authentication flow, posture result, assigned routes, certificate policy, and headend access control. Situation: An external engineer authenticates successfully yet cannot reach an approved operations subnet after VPN connection.

B:

Inspect site prefix growth, routing requirements, traffic selectors, tunnel-interface support, and failover paths. This evidence addresses Route-based versus policy-based VPN design; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect client connection logs, authentication flow, posture result, assigned routes, certificate policy, and headend access control. Situation: An external engineer authenticates successfully yet cannot reach an approved operations subnet after VPN connection.

C:

Inspect API documentation, token scope, request headers, JSON schema, response status, and transaction logs. This evidence addresses Authenticated security API requests; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect client connection logs, authentication flow, posture result, assigned routes, certificate policy, and headend access control. Situation: An external engineer authenticates successfully yet cannot reach an approved operations subnet after VPN connection.

Question 430

An internal API returns a certificate for another hostname after a load-balancer migration. Before changing security policy, what evidence should the engineer examine FIRST?

  1. Inspect server certificate SAN, chain trust, expiry and revocation status, negotiated protocol, and handshake errors.
  2. Inspect existing policy objects, API conflict or retry responses, object identifiers, approvals, and rollback artifacts.
  3. Inspect IKE proposal mismatches, pre-shared or certificate identity, UDP 500 or 4500 reachability, NAT detection, and phase negotiation logs.
  4. Inspect sign-in strength, device compliance, resource policy, segmentation, session risk, and reevaluation triggers.

Explanation

Correct Answer

A:

Inspect server certificate SAN, chain trust, expiry and revocation status, negotiated protocol, and handshake errors. This checks the relevant condition before an engineer modifies production access or detection behavior. Encryption without authenticated identity does not rule out interception; certificates bind a public key to a verified name under a trust chain. The controlled response would be: Validate peer identity with a trusted certificate chain, correct hostname, certificate validity, and appropriate TLS policy before exchanging sensitive data. Situation: An internal API returns a certificate for another hostname after a load-balancer migration.

Incorrect Answers

B:

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 server certificate SAN, chain trust, expiry and revocation status, negotiated protocol, and handshake errors. Situation: An internal API returns a certificate for another hostname after a load-balancer migration.

C:

Inspect IKE proposal mismatches, pre-shared or certificate identity, UDP 500 or 4500 reachability, NAT detection, and phase negotiation logs. This evidence addresses IPsec IKE and NAT traversal; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect server certificate SAN, chain trust, expiry and revocation status, negotiated protocol, and handshake errors. Situation: An internal API returns a certificate for another hostname after a load-balancer migration.

D:

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 server certificate SAN, chain trust, expiry and revocation status, negotiated protocol, and handshake errors. Situation: An internal API returns a certificate for another hostname after a load-balancer migration.

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