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Cisco 350-701 Practice Test 29

Question 280

A campus protects internet entry but leaves sensitive research servers open to every internal department. Before changing security policy, what evidence should the engineer examine FIRST?

  1. Inspect VPN event traces, IKE negotiation state, certificate or PSK errors, UDP 500/4500, and proposal mismatches.
  2. Review fail-open or fail-closed expectations, high-availability topology, interface mode, IPS rule state, and packet counters.
  3. Inspect application detectors, URL category verdicts, rule conditions, encrypted-session visibility, and identity matches.
  4. Inspect ingress and internal traffic paths, application dependencies, firewall capabilities, and current east-west allow rules.

Explanation

Correct Answer

D:

Inspect ingress and internal traffic paths, application dependencies, firewall capabilities, and current east-west allow rules. This checks the relevant condition before an engineer modifies production access or detection behavior. Perimeter inspection focuses north-south traffic; internal segmentation contains east-west lateral movement when workloads share a network. The controlled response would be: Place appropriate firewall or distributed policy enforcement around both internet-facing flows and lateral workload communications. Situation: A campus protects internet entry but leaves sensitive research servers open to every internal department.

Incorrect Answers

A:

Inspect VPN event traces, IKE negotiation state, certificate or PSK errors, UDP 500/4500, and proposal mismatches. This evidence addresses FTD IKE negotiation failure isolation; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect ingress and internal traffic paths, application dependencies, firewall capabilities, and current east-west allow rules. Situation: A campus protects internet entry but leaves sensitive research servers open to every internal department.

B:

Review fail-open or fail-closed expectations, high-availability topology, interface mode, IPS rule state, and packet counters. This evidence addresses Inline IPS availability and bypass behavior; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect ingress and internal traffic paths, application dependencies, firewall capabilities, and current east-west allow rules. Situation: A campus protects internet entry but leaves sensitive research servers open to every internal department.

C:

Inspect application detectors, URL category verdicts, rule conditions, encrypted-session visibility, and identity matches. This evidence addresses Application visibility control and URL filtering; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect ingress and internal traffic paths, application dependencies, firewall capabilities, and current east-west allow rules. Situation: A campus protects internet entry but leaves sensitive research servers open to every internal department.

Question 281

A branch deploys a virtual tunnel interface but forgets to advertise a newly added application network. Which TWO complementary steps provide the most defensible remediation and its supporting assessment? Select TWO.

  1. A hostile document can be summarized without causing the assistant to reveal credentials or invoke unapproved tools.
  2. Inspect API documentation, token scope, request headers, JSON schema, response status, and transaction logs.
  3. Choose route-based IPsec tunnels when dynamic routed topologies need predictable overlay interfaces and matched security policies.
  4. Protect remote workers with supported Cisco Secure Client VPN authentication, endpoint posture, split-routing policy, and controlled profile distribution.
  5. Inspect site prefix growth, routing requirements, traffic selectors, tunnel-interface support, and failover paths.

Explanation

Correct Answers

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. This is the implementation portion of the complementary pair. Situation: A branch deploys a virtual tunnel interface but forgets to advertise a newly added application network.

E:

Inspect site prefix growth, routing requirements, traffic selectors, tunnel-interface support, and failover paths. This checks the relevant condition before an engineer modifies production access or detection behavior. Route-based VPN separates routing decisions from the cryptographic tunnel interface whereas policy-based VPN relies on matching crypto traffic definitions. The controlled response would be: Choose route-based IPsec tunnels when dynamic routed topologies need predictable overlay interfaces and matched security policies. This supplies the diagnostic evidence needed for the complementary action. Situation: A branch deploys a virtual tunnel interface but forgets to advertise a newly added application network.

Incorrect Answers

A:

A hostile document can be summarized without causing the assistant to reveal credentials or invoke unapproved tools. This step could matter for Prompt injection trust boundary but is not part of the required complementary pair for this case. The paired steps are: Choose route-based IPsec tunnels when dynamic routed topologies need predictable overlay interfaces and matched security policies. and 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.

B:

Inspect API documentation, token scope, request headers, JSON schema, response status, and transaction logs. This step could matter for Authenticated security API requests but is not part of the required complementary pair for this case. The paired steps are: Choose route-based IPsec tunnels when dynamic routed topologies need predictable overlay interfaces and matched security policies. and 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.

D:

Protect remote workers with supported Cisco Secure Client VPN authentication, endpoint posture, split-routing policy, and controlled profile distribution. This step could matter for Remote access VPN client controls but is not part of the required complementary pair for this case. The paired steps are: Choose route-based IPsec tunnels when dynamic routed topologies need predictable overlay interfaces and matched security policies. and 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.

Question 282

A bank requires stricter verification for administrator actions than for opening a non-sensitive team calendar. Which observed result BEST confirms that the security requirement is met?

  1. A riskier session receives a stronger verification or denial decision without blocking routine authorized access unnecessarily.
  2. Users with acceptable identities and devices reach protected apps while stolen passwords or untrusted device states fail authorization.
  3. Authorized managed endpoints join the intended network while expired, revoked, or untrusted device credentials receive restricted treatment.
  4. A device that fails posture moves to remediation or disconnects under the updated policy without requiring a full network restart.

Explanation

Correct Answer

A:

A riskier session receives a stronger verification or denial decision without blocking routine authorized access unnecessarily. This is an observable acceptance condition, rather than an assumption that enabling a feature alone proves security. Single sign-on simplifies authentication flow but does not mean every connected application should share identical authorization and risk policy. Situation: A bank requires stricter verification for administrator actions than for opening a non-sensitive team calendar.

Incorrect Answers

B:

Users with acceptable identities and devices reach protected apps while stolen passwords or untrusted device states fail authorization. This outcome tests Cisco Duo multifactor and device trust policy and is not sufficient proof of the stated requirement. Here the relevant validation is: A riskier session receives a stronger verification or denial decision without blocking routine authorized access unnecessarily. Situation: A bank requires stricter verification for administrator actions than for opening a non-sensitive team calendar.

C:

Authorized managed endpoints join the intended network while expired, revoked, or untrusted device credentials receive restricted treatment. This outcome tests Certificate identity and noncompliant access segregation and is not sufficient proof of the stated requirement. Here the relevant validation is: A riskier session receives a stronger verification or denial decision without blocking routine authorized access unnecessarily. Situation: A bank requires stricter verification for administrator actions than for opening a non-sensitive team calendar.

D:

A device that fails posture moves to remediation or disconnects under the updated policy without requiring a full network restart. This outcome tests CoA session reauthorization by Cisco ISE and is not sufficient proof of the stated requirement. Here the relevant validation is: A riskier session receives a stronger verification or denial decision without blocking routine authorized access unnecessarily. Situation: A bank requires stricter verification for administrator actions than for opening a non-sensitive team calendar.

Question 283

A security team wants to patch by CVSS alone despite one vulnerable service being isolated behind a disabled interface. Which TWO complementary steps provide the most defensible remediation and its supporting assessment? Select TWO.

  1. Inspect server certificate SAN, chain trust, expiry and revocation status, negotiated protocol, and handshake errors.
  2. Prevent SQL injection by separating untrusted field values from query structure using parameter binding and constrained database privileges.
  3. One failed perimeter control does not provide unmonitored unrestricted access to sensitive workloads.
  4. Review asset versions, affected component evidence, external reachability, exploit preconditions, compensating controls, and vendor advisories.
  5. Triage software vulnerabilities using version applicability, exploit exposure, available remediation, and business impact alongside published CVE and CVSS data.

Explanation

Correct Answers

D:

Review asset versions, affected component evidence, external reachability, exploit preconditions, compensating controls, and vendor advisories. This checks the relevant condition before an engineer modifies production access or detection behavior. A CVE identifies a disclosed issue and CVSS summarizes severity characteristics; neither alone proves exposure or exploitation of a particular asset. The controlled response would be: Triage software vulnerabilities using version applicability, exploit exposure, available remediation, and business impact alongside published CVE and CVSS data. This supplies the diagnostic evidence needed for the complementary action. Situation: A security team wants to patch by CVSS alone despite one vulnerable service being isolated behind a disabled interface.

E:

Triage software vulnerabilities using version applicability, exploit exposure, available remediation, and business impact alongside published CVE and CVSS data. This control addresses the failure mechanism and narrows the enforcement boundary. A CVE identifies a disclosed issue and CVSS summarizes severity characteristics; neither alone proves exposure or exploitation of a particular asset. Confirm pre-change conditions using: Review asset versions, affected component evidence, external reachability, exploit preconditions, compensating controls, and vendor advisories. This is the implementation portion of the complementary pair. Situation: A security team wants to patch by CVSS alone despite one vulnerable service being isolated behind a disabled interface.

Incorrect Answers

A:

Inspect server certificate SAN, chain trust, expiry and revocation status, negotiated protocol, and handshake errors. 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: Triage software vulnerabilities using version applicability, exploit exposure, available remediation, and business impact alongside published CVE and CVSS data. and Review asset versions, affected component evidence, external reachability, exploit preconditions, compensating controls, and vendor advisories. Situation: A security team wants to patch by CVSS alone despite one vulnerable service being isolated behind a disabled interface.

B:

Prevent SQL injection by separating untrusted field values from query structure using parameter binding and constrained database privileges. This step could matter for SQL injection and parameterized queries but is not part of the required complementary pair for this case. The paired steps are: Triage software vulnerabilities using version applicability, exploit exposure, available remediation, and business impact alongside published CVE and CVSS data. and Review asset versions, affected component evidence, external reachability, exploit preconditions, compensating controls, and vendor advisories. Situation: A security team wants to patch by CVSS alone despite one vulnerable service being isolated behind a disabled interface.

C:

One failed perimeter control does not provide unmonitored unrestricted access to sensitive workloads. This step could matter for Defense in depth and Cisco SAFE but is not part of the required complementary pair for this case. The paired steps are: Triage software vulnerabilities using version applicability, exploit exposure, available remediation, and business impact alongside published CVE and CVSS data. and Review asset versions, affected component evidence, external reachability, exploit preconditions, compensating controls, and vendor advisories. Situation: A security team wants to patch by CVSS alone despite one vulnerable service being isolated behind a disabled interface.

Question 284

A laptop establishes remote VPN yet its required endpoint posture plugin was omitted from the installation package. Before changing security policy, what evidence should the engineer examine FIRST?

  1. Inspect agent health, malware protection state, required updates, disk encryption, identity, and posture policy result.
  2. Inspect installed modules, version compatibility, connector status, management profile, and identity mapping.
  3. Inspect sample provenance, sandbox verdict, observed process/file/network behavior, detonation environment, and indicator confidence.
  4. Inspect disposition change, prevalence, isolation status, affected host roles, event sequence, and unresolved detections.

Explanation

Correct Answer

B:

Inspect installed modules, version compatibility, connector status, management profile, and identity mapping. This checks the relevant condition before an engineer modifies production access or detection behavior. Secure Client is a modular endpoint platform; enabling a VPN tunnel does not automatically mean all security modules or postures are active. The controlled response would be: Deploy appropriate Cisco Secure Client modules for supported connectivity and endpoint posture requirements and verify the component state. Situation: A laptop establishes remote VPN yet its required endpoint posture plugin was omitted from the installation package.

Incorrect Answers

A:

Inspect agent health, malware protection state, required updates, disk encryption, identity, and posture policy result. This evidence addresses Posture check before network access; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect installed modules, version compatibility, connector status, management profile, and identity mapping. Situation: A laptop establishes remote VPN yet its required endpoint posture plugin was omitted from the installation package.

C:

Inspect sample provenance, sandbox verdict, observed process/file/network behavior, detonation environment, and indicator confidence. This evidence addresses Cisco Secure Malware Analytics detonation evidence; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect installed modules, version compatibility, connector status, management profile, and identity mapping. Situation: A laptop establishes remote VPN yet its required endpoint posture plugin was omitted from the installation package.

D:

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 installed modules, version compatibility, connector status, management profile, and identity mapping. Situation: A laptop establishes remote VPN yet its required endpoint posture plugin was omitted from the installation package.

Question 285

A partner feed provides hashes, domains, and confidence scores but the firewall import ignores expiration metadata. Before changing security policy, what evidence should the engineer examine FIRST?

  1. Inspect dynamic SQL construction, query logs, supplied payloads, database role privileges, and application input paths.
  2. Inspect embedding source sets, package provenance, vector index tenant filters, model artifacts, and integrity-check history.
  3. Inspect indicator type, observed confidence, publication time, false-positive records, allowed consumers, and expiration logic.
  4. Inspect protected data lifetimes, protocol suites, key sizes, certificate dependencies, crypto inventory, and approved algorithm policies.

Explanation

Correct Answer

C:

Inspect indicator type, observed confidence, publication time, false-positive records, allowed consumers, and expiration logic. This checks the relevant condition before an engineer modifies production access or detection behavior. Threat indicators are leads with changing confidence, not immutable proof that every matching host is compromised. The controlled response would be: Curate indicators with source confidence, freshness, context, and expiration before distributing to enforcement and investigation tools. Situation: A partner feed provides hashes, domains, and confidence scores but the firewall import ignores expiration metadata.

Incorrect Answers

A:

Inspect dynamic SQL construction, query logs, supplied payloads, database role privileges, and application input paths. This evidence addresses SQL injection and parameterized queries; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect indicator type, observed confidence, publication time, false-positive records, allowed consumers, and expiration logic. Situation: A partner feed provides hashes, domains, and confidence scores but the firewall import ignores expiration metadata.

B:

Inspect embedding source sets, package provenance, vector index tenant filters, model artifacts, and integrity-check history. This evidence addresses Embedding and model supply chain risk; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect indicator type, observed confidence, publication time, false-positive records, allowed consumers, and expiration logic. Situation: A partner feed provides hashes, domains, and confidence scores but the firewall import ignores expiration metadata.

D:

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 indicator type, observed confidence, publication time, false-positive records, allowed consumers, and expiration logic. Situation: A partner feed provides hashes, domains, and confidence scores but the firewall import ignores expiration metadata.

Question 286

A BYOD tablet has a forbidden remote-control app installed and requires restricted access until remediation. Which TWO complementary steps provide the most defensible remediation and its supporting assessment? Select TWO.

  1. Inspect known endpoint MAC registrations, profiling data, switch authentication order, RADIUS policy, and allowed destination flows.
  2. Use certificates and role-aware policy to distinguish approved managed devices from unknown or noncompliant devices during network onboarding.
  3. Inspect security agent health, supported application versions, posture evidence, policy exceptions, and dynamic authorization.
  4. Enforce network access requirements for device OS, required security controls, and application compliance, with remediation for failures.
  5. Users with acceptable identities and devices reach protected apps while stolen passwords or untrusted device states fail authorization.

Explanation

Correct Answers

C:

Inspect security agent health, supported application versions, posture evidence, policy exceptions, and dynamic authorization. This checks the relevant condition before an engineer modifies production access or detection behavior. Device compliance is an ongoing assessment, not a once-per-device trust label; application control and identity must be combined for effective access. The controlled response would be: Enforce network access requirements for device OS, required security controls, and application compliance, with remediation for failures. This supplies the diagnostic evidence needed for the complementary action. Situation: A BYOD tablet has a forbidden remote-control app installed and requires restricted access until remediation.

D:

Enforce network access requirements for device OS, required security controls, and application compliance, with remediation for failures. This control addresses the failure mechanism and narrows the enforcement boundary. Device compliance is an ongoing assessment, not a once-per-device trust label; application control and identity must be combined for effective access. Confirm pre-change conditions using: Inspect security agent health, supported application versions, posture evidence, policy exceptions, and dynamic authorization. This is the implementation portion of the complementary pair. Situation: A BYOD tablet has a forbidden remote-control app installed and requires restricted access until remediation.

Incorrect Answers

A:

Inspect known endpoint MAC registrations, profiling data, switch authentication order, RADIUS policy, and allowed destination flows. This step could matter for MAB fallback and printer restriction but is not part of the required complementary pair for this case. The paired steps are: Enforce network access requirements for device OS, required security controls, and application compliance, with remediation for failures. and Inspect security agent health, supported application versions, posture evidence, policy exceptions, and dynamic authorization. Situation: A BYOD tablet has a forbidden remote-control app installed and requires restricted access until remediation.

B:

Use certificates and role-aware policy to distinguish approved managed devices from unknown or noncompliant devices during network onboarding. This step could matter for Certificate identity and noncompliant access segregation but is not part of the required complementary pair for this case. The paired steps are: Enforce network access requirements for device OS, required security controls, and application compliance, with remediation for failures. and Inspect security agent health, supported application versions, posture evidence, policy exceptions, and dynamic authorization. Situation: A BYOD tablet has a forbidden remote-control app installed and requires restricted access until remediation.

E:

Users with acceptable identities and devices reach protected apps while stolen passwords or untrusted device states fail authorization. This step could matter for Cisco Duo multifactor and device trust policy but is not part of the required complementary pair for this case. The paired steps are: Enforce network access requirements for device OS, required security controls, and application compliance, with remediation for failures. and Inspect security agent health, supported application versions, posture evidence, policy exceptions, and dynamic authorization. Situation: A BYOD tablet has a forbidden remote-control app installed and requires restricted access until remediation.

Question 287

An account has repeated denied Duo prompts from an unfamiliar location before a user reports attempted password theft. Which TWO complementary steps provide the most defensible remediation and its supporting assessment? Select TWO.

  1. Enforce appropriate Cisco Duo MFA and device trust checks for protected applications, considering user role and device security status.
  2. Use Cisco Duo SSO and Adaptive Access to apply policy based on user group, application sensitivity, location or risk, and device health where supported.
  3. Inspect Duo authentication events, factor methods, trusted device enrollment, health signals, and application access policies.
  4. Inspect queried subdomain patterns, TXT requests, query response rates, domain age, and originating host process.
  5. A controlled policy change reaches the correct active session and either reauthenticates or terminates it as intended.

Explanation

Correct Answers

A:

Enforce appropriate Cisco Duo MFA and device trust checks for protected applications, considering user role and device security status. This control addresses the failure mechanism and narrows the enforcement boundary. Multifactor authentication strengthens login assurance, while device trust and adaptive controls independently evaluate session risk. Confirm pre-change conditions using: Inspect Duo authentication events, factor methods, trusted device enrollment, health signals, and application access policies. This is the implementation portion of the complementary pair. Situation: An account has repeated denied Duo prompts from an unfamiliar location before a user reports attempted password theft.

C:

Inspect Duo authentication events, factor methods, trusted device enrollment, health signals, and application access policies. This checks the relevant condition before an engineer modifies production access or detection behavior. Multifactor authentication strengthens login assurance, while device trust and adaptive controls independently evaluate session risk. The controlled response would be: Enforce appropriate Cisco Duo MFA and device trust checks for protected applications, considering user role and device security status. This supplies the diagnostic evidence needed for the complementary action. Situation: An account has repeated denied Duo prompts from an unfamiliar location before a user reports attempted password theft.

Incorrect Answers

B:

Use Cisco Duo SSO and Adaptive Access to apply policy based on user group, application sensitivity, location or risk, and device health where supported. This step could matter for Duo Adaptive Access and SSO context but is not part of the required complementary pair for this case. The paired steps are: Enforce appropriate Cisco Duo MFA and device trust checks for protected applications, considering user role and device security status. and Inspect Duo authentication events, factor methods, trusted device enrollment, health signals, and application access policies. Situation: An account has repeated denied Duo prompts from an unfamiliar location before a user reports attempted password theft.

D:

Inspect queried subdomain patterns, TXT requests, query response rates, domain age, and originating host process. This step could matter for DNS tunneling exfiltration detection but is not part of the required complementary pair for this case. The paired steps are: Enforce appropriate Cisco Duo MFA and device trust checks for protected applications, considering user role and device security status. and Inspect Duo authentication events, factor methods, trusted device enrollment, health signals, and application access policies. Situation: An account has repeated denied Duo prompts from an unfamiliar location before a user reports attempted password theft.

E:

A controlled policy change reaches the correct active session and either reauthenticates or terminates it as intended. This step could matter for CoA failure and authorization policy debugging but is not part of the required complementary pair for this case. The paired steps are: Enforce appropriate Cisco Duo MFA and device trust checks for protected applications, considering user role and device security status. and Inspect Duo authentication events, factor methods, trusted device enrollment, health signals, and application access policies. Situation: An account has repeated denied Duo prompts from an unfamiliar location before a user reports attempted password theft.

Question 288

A ransomware indicator appears on a server and investigators need to trace the process that created suspicious files. Which observed result BEST confirms that the security requirement is met?

  1. A confirmed legitimate application resumes operation while unrelated malicious activity remains detectable.
  2. A noncompliant device receives remediation access but cannot reach restricted corporate services until reevaluated.
  3. An investigator identifies first observation, related hosts, and effective remediation steps rather than confusing an alert with confirmed execution.
  4. High-impact active behavior receives response ahead of low-context historical detections, with reasons recorded.

Explanation

Correct Answer

C:

An investigator identifies first observation, related hosts, and effective remediation steps rather than confusing an alert with confirmed execution. This is an observable acceptance condition, rather than an assumption that enabling a feature alone proves security. An endpoint detection event records what the connector observed and did; a block, quarantine, detection, and retrospective verdict are distinct states. Situation: A ransomware indicator appears on a server and investigators need to trace the process that created suspicious files.

Incorrect Answers

A:

A confirmed legitimate application resumes operation while unrelated malicious activity remains detectable. This outcome tests Secure Endpoint response exclusions and policy safety and is not sufficient proof of the stated requirement. Here the relevant validation is: An investigator identifies first observation, related hosts, and effective remediation steps rather than confusing an alert with confirmed execution. Situation: A ransomware indicator appears on a server and investigators need to trace the process that created suspicious files.

B:

A noncompliant device receives remediation access but cannot reach restricted corporate services until reevaluated. This outcome tests Posture check before network access and is not sufficient proof of the stated requirement. Here the relevant validation is: An investigator identifies first observation, related hosts, and effective remediation steps rather than confusing an alert with confirmed execution. Situation: A ransomware indicator appears on a server and investigators need to trace the process that created suspicious files.

D:

High-impact active behavior receives response ahead of low-context historical detections, with reasons recorded. This outcome tests Endpoint malware event prioritization and is not sufficient proof of the stated requirement. Here the relevant validation is: An investigator identifies first observation, related hosts, and effective remediation steps rather than confusing an alert with confirmed execution. Situation: A ransomware indicator appears on a server and investigators need to trace the process that created suspicious files.

Question 289

A malicious user sends unsolicited ARP updates claiming ownership of another endpoint's IP. Before changing security policy, what evidence should the engineer examine FIRST?

  1. Inspect DHCP snooping bindings or static ARP ACLs, trusted links, validation drops, and legitimate static IP exceptions.
  2. Inspect learned MAC counts, access versus trunk state, BPDU reception, storm-control counters, and port error events.
  3. Inspect application detectors, URL category verdicts, rule conditions, encrypted-session visibility, and identity matches.
  4. Inspect peer public addresses, IKE/IPsec proposals, NAT treatment, interesting traffic, and security association counters.

Explanation

Correct Answer

A:

Inspect DHCP snooping bindings or static ARP ACLs, trusted links, validation drops, and legitimate static IP exceptions. This checks the relevant condition before an engineer modifies production access or detection behavior. DAI relies on trustworthy binding information; enabling inspection without handling static addressing can interrupt legitimate users. The controlled response would be: Use Dynamic ARP Inspection with reliable IP-to-MAC bindings to reject forged ARP claims on untrusted access interfaces. Situation: A malicious user sends unsolicited ARP updates claiming ownership of another endpoint's IP.

Incorrect Answers

B:

Inspect learned MAC counts, access versus trunk state, BPDU reception, storm-control counters, and port error events. This evidence addresses Layer 2 port hardening and storm control; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect DHCP snooping bindings or static ARP ACLs, trusted links, validation drops, and legitimate static IP exceptions. Situation: A malicious user sends unsolicited ARP updates claiming ownership of another endpoint's IP.

C:

Inspect application detectors, URL category verdicts, rule conditions, encrypted-session visibility, and identity matches. This evidence addresses Application visibility control and URL filtering; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect DHCP snooping bindings or static ARP ACLs, trusted links, validation drops, and legitimate static IP exceptions. Situation: A malicious user sends unsolicited ARP updates claiming ownership of another endpoint's IP.

D:

Inspect peer public addresses, IKE/IPsec proposals, NAT treatment, interesting traffic, and security association counters. This evidence addresses FTD site-to-site VPN crypto policy; it would not establish the primary issue here. The diagnostic evidence needed for this scenario is: Inspect DHCP snooping bindings or static ARP ACLs, trusted links, validation drops, and legitimate static IP exceptions. Situation: A malicious user sends unsolicited ARP updates claiming ownership of another endpoint's IP.

Question 290

A vendor needs a single internal ticketing portal but the existing VPN gives visibility of the entire data center. Which observed result BEST confirms that the security requirement is met?

  1. An approved web app remains reachable while a test prohibited destination produces an attributable deny event.
  2. A contractor reaches one approved HR web app without gaining routed reachability to unrelated production subnets.
  3. Managed remote users are inspected and authorized consistently while unmanaged or excluded sessions cannot silently bypass required protection.
  4. A failover test maintains authorized access and a broken backend is diagnosed without broadly opening the private network.

Explanation

Correct Answer

B:

A contractor reaches one approved HR web app without gaining routed reachability to unrelated production subnets. This is an observable acceptance condition, rather than an assumption that enabling a feature alone proves security. Zero-trust private access grants application-scoped connectivity; being authenticated to the cloud portal does not imply authorization to every private network. Situation: A vendor needs a single internal ticketing portal but the existing VPN gives visibility of the entire data center.

Incorrect Answers

A:

An approved web app remains reachable while a test prohibited destination produces an attributable deny event. This outcome tests Cisco Secure Access internet use policy and is not sufficient proof of the stated requirement. Here the relevant validation is: A contractor reaches one approved HR web app without gaining routed reachability to unrelated production subnets. Situation: A vendor needs a single internal ticketing portal but the existing VPN gives visibility of the entire data center.

C:

Managed remote users are inspected and authorized consistently while unmanaged or excluded sessions cannot silently bypass required protection. This outcome tests Remote identity and traffic steering in SSE and is not sufficient proof of the stated requirement. Here the relevant validation is: A contractor reaches one approved HR web app without gaining routed reachability to unrelated production subnets. Situation: A vendor needs a single internal ticketing portal but the existing VPN gives visibility of the entire data center.

D:

A failover test maintains authorized access and a broken backend is diagnosed without broadly opening the private network. This outcome tests Private app connector resilience and troubleshooting and is not sufficient proof of the stated requirement. Here the relevant validation is: A contractor reaches one approved HR web app without gaining routed reachability to unrelated production subnets. Situation: A vendor needs a single internal ticketing portal but the existing VPN gives visibility of the entire data center.

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