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Cisco 300-710 Practice Test 63

Question 620

During a firewall implementation acceptance test: A malware alert references a file hash from an earlier transfer, while a dashboard presents it as if it happened in the current hour. Which TWO complementary choices provide the most appropriate corrective action and its direct independent verification? Select TWO answers.

  1. Capture packets at the relevant supported ingress and egress points with bounded filter, direction and retention settings.
  2. Assume every high-severity intrusion or malware alert conclusively proves an attacker executed code on the destination host.
  3. Inspect event signature, action, file hash or disposition, host identity, source telemetry and correlated endpoint evidence.
  4. Review intrusion or malware details, signatures or file disposition, time and asset context before declaring impact.
  5. Review report definition, recipient list, last-generation timestamp, source events and a controlled delivered report.

Explanation

Correct Answers

C:

Direct independent How to verify: Inspect event signature, action, file hash or disposition, host identity, source telemetry and correlated endpoint evidence.

D:

Appropriate implementation: Review intrusion or malware details, signatures or file disposition, time and asset context before declaring impact. Case details: A malware alert references a file hash from an earlier transfer, while a dashboard presents it as if it happened in the current hour. Governing behavior: Severity and detection labels convey prioritization or engine verdict, not independent proof of host compromise or successful execution.

Incorrect Answers

A:

This alternative describes a different control, FMC packet capture ingress and egress placement, rather than this scenario’s Intrusion and malware event severity interpretation: Capture packets at the relevant supported ingress and egress points with bounded filter, direction and retention settings.

B:

Unsafe or unsupported shortcut for this firewall scenario: Assume every high-severity intrusion or malware alert conclusively proves an attacker executed code on the destination host.

E:

That option would review report definition, recipient list, last-generation timestamp, source events and a controlled delivered report, but it addresses a different concern. Governing behavior: Severity and detection labels convey prioritization or engine verdict, not independent proof of host compromise or successful execution.

Question 621

A CCNP Security practice scenario presents this condition: A newly discovered host is presented as a critical production server although the system fingerprint is stale from a prior DHCP client. Which security configuration or operational step BEST addresses the requirement? Select ONE best answer.

  1. Assume a discovery map is always a real-time authoritative list of every asset on every network.
  2. Use documented narrowly filtered firewall engine debug only when necessary and capture enough context to explain the actual drop.
  3. Cross-check discovery inventory and network map against current authoritative ownership, addresses and monitored traffic coverage.
  4. Use packet-path simulation to inspect translation, access rule, egress route and then independently test reverse traffic and peer availability.

Explanation

Correct Answer

C:

Appropriate implementation: Cross-check discovery inventory and network map against current authoritative ownership, addresses and monitored traffic coverage.

Incorrect Answers

A:

That option would assume a discovery map is always a real-time authoritative list of every asset on every network, but it addresses a different concern. Governing behavior: Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory.

B:

That option would use documented narrowly filtered firewall engine debug only when necessary and capture enough context to explain the actual drop, but it addresses a different concern. Governing behavior: Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory.

D:

That option would use packet-path simulation to inspect translation, access rule, egress route and then independently test reverse traffic and peer availability, but it addresses a different concern. Governing behavior: Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory.

Question 622

A firewall service owner escalates the following: A newly discovered host is presented as a critical production server although the system fingerprint is stale from a prior DHCP client. Which firewall behavior or technical principle BEST explains the observed condition? Select ONE best answer.

  1. Assume a discovery map is always a real-time authoritative list of every asset on every network.
  2. Simulated policy allow can verify configured local processing but not remote application response or the external network's actual state.
  3. Management-plane enrollment and telemetry can fail while data-plane forwarding continues, and troubleshooting must identify the affected plane.
  4. Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory.

Explanation

Correct Answer

D:

Underlying platform principle: Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory.

Incorrect Answers

A:

Unsafe or unsupported shortcut for this firewall scenario: Assume a discovery map is always a real-time authoritative list of every asset on every network. It cannot establish the stated security outcome.

B:

This alternative describes a different control, Packet Tracer NAT and route evaluation, rather than this scenario’s Network discovery map and asset context validation: Simulated policy allow can verify configured local processing but not remote application response or the external network's actual state.

C:

This alternative describes a different control, Management communication and FTD registration troubleshooting, rather than this scenario’s Network discovery map and asset context validation: Management-plane enrollment and telemetry can fail while data-plane forwarding continues, and troubleshooting must identify the affected plane.

Question 623

An approved maintenance window surfaces this issue: A newly discovered host is presented as a critical production server although the system fingerprint is stale from a prior DHCP client. Which specific evidence is MOST useful to confirm the real root cause? Select ONE best answer.

  1. Assume a discovery map is always a real-time authoritative list of every asset on every network.
  2. Check TLS handshake, packet length and timing, capture filter and whether policy actually enabled supported decryption.
  3. Inspect host history, IP-to-MAC transitions, last-seen fields, subnets monitored and inventory records.
  4. Compare event timestamps, selected device identity, live connections, interface counters and local packet diagnostics.

Explanation

Correct Answer

C:

Direct independent verification: Inspect host history, IP-to-MAC transitions, last-seen fields, subnets monitored and inventory records.

Incorrect Answers

A:

Unsafe or unsupported shortcut for this firewall scenario: Assume a discovery map is always a real-time authoritative list of every asset on every network. It cannot establish the stated security outcome.

B:

That option would check TLS handshake, packet length and timing, capture filter and whether policy actually enabled supported decryption, but it addresses a different concern. Governing behavior: Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory.

D:

That option would compare event timestamps, selected device identity, live connections, interface counters and local packet diagnostics, but it addresses a different concern. Governing behavior: Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory.

Question 624

A Secure Firewall deployment change request reports: A newly discovered host is presented as a critical production server although the system fingerprint is stale from a prior DHCP client. Which observed result BEST confirms that the change meets the intended security requirement? Select ONE best answer.

  1. The root-causing change is identified and corrected with a traceable audit and no new unexplained policy drift.
  2. The response gathers sufficient network evidence without unsupported plaintext claims or excessive capture storage and privacy impact.
  3. Assume a discovery map is always a real-time authoritative list of every asset on every network.
  4. Investigators use current corroborated asset context and explicitly acknowledge unmonitored segments or uncertainty.

Explanation

Correct Answer

D:

Required acceptance evidence: Investigators use current corroborated asset context and explicitly acknowledge unmonitored segments or uncertainty.

Incorrect Answers

A:

This alternative describes a different control, Policy revision rollback and controlled troubleshooting, rather than this scenario’s Network discovery map and asset context validation: The root-causing change is identified and corrected with a traceable audit and no new unexplained policy drift.

B:

This alternative describes a different control, Packet capture TLS metadata and payload privacy, rather than this scenario’s Network discovery map and asset context validation: The response gathers sufficient network evidence without unsupported plaintext claims or excessive capture storage and privacy impact.

C:

Unsafe or unsupported shortcut for this firewall scenario: Assume a discovery map is always a real-time authoritative list of every asset on every network. Case details: A newly discovered host is presented as a critical production server although the system fingerprint is stale from a prior DHCP client. Governing behavior: Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory.

Question 625

An FMC policy and traffic review discovers: A newly discovered host is presented as a critical production server although the system fingerprint is stale from a prior DHCP client. Which misleading assumption MOST directly causes this issue and must be rejected? Select ONE best answer.

  1. Assume saving a rule in FMC instantaneously installs it on every managed device, including those reporting failed deployment.
  2. Assume scheduling a report automatically keeps its recipient list, asset inventory and data range accurate indefinitely.
  3. Assume a discovery map is always a real-time authoritative list of every asset on every network.
  4. Assume every unified event entry is a distinct confirmed incident regardless of underlying source overlap.

Explanation

Correct Answer

C:

Reject the scenario-specific unsafe assumption: Assume a discovery map is always a real-time authoritative list of every asset on every network. The stated shortcut conflicts with the intended control and its documented verification.

Incorrect Answers

A:

That option would assume saving a rule in FMC instantaneously installs it on every managed device, including those reporting failed deployment, but it addresses a different concern. Governing behavior: Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory.

B:

That option would assume scheduling a report automatically keeps its recipient list, asset inventory and data range accurate indefinitely, but it addresses a different concern. Governing behavior: Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory.

D:

That option would assume every unified event entry is a distinct confirmed incident regardless of underlying source overlap, but it addresses a different concern. Governing behavior: Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory.

Question 626

An engineer validates a Cisco Secure Firewall implementation: An incident map omits a disconnected subnet and a report incorrectly states the network has no devices there. Which security configuration or operational step BEST addresses the requirement? Select ONE best answer.

  1. Review deployment preview and per-device result, resolve failures and confirm the effective revision on the target Threat Defense device.
  2. Cross-check discovery inventory and network map against current authoritative ownership, addresses and monitored traffic coverage.
  3. Assume a discovery map is always a real-time authoritative list of every asset on every network.
  4. Use documented narrowly filtered firewall engine debug only when necessary and capture enough context to explain the actual drop.

Explanation

Correct Answer

B:

Appropriate implementation: Cross-check discovery inventory and network map against current authoritative ownership, addresses and monitored traffic coverage.

Incorrect Answers

A:

That option would review deployment preview and per-device result, resolve failures and confirm the effective revision on the target Threat Defense device, but it addresses a different concern. Governing behavior: Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory.

C:

Unsafe or unsupported shortcut for this firewall scenario: Assume a discovery map is always a real-time authoritative list of every asset on every network. It cannot establish the stated security outcome.

D:

This alternative describes a different control, Firewall engine debug targeted diagnosis, rather than this scenario’s Network discovery map and asset context validation: Use documented narrowly filtered firewall engine debug only when necessary and capture enough context to explain the actual drop.

Question 627

A security operations incident describes: An incident map omits a disconnected subnet and a report incorrectly states the network has no devices there. Which firewall behavior or technical principle BEST explains the observed condition? Select ONE best answer.

  1. Severity and detection labels convey prioritization or engine verdict, not independent proof of host compromise or successful execution.
  2. Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory.
  3. Assume a discovery map is always a real-time authoritative list of every asset on every network.
  4. Connection events record firewall-observed processing, not necessarily successful end-to-end application transactions.

Explanation

Correct Answer

B:

Underlying platform principle: Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory.

Incorrect Answers

A:

This alternative describes a different control, Intrusion and malware event severity interpretation, rather than this scenario’s Network discovery map and asset context validation: Severity and detection labels convey prioritization or engine verdict, not independent proof of host compromise or successful execution.

C:

Unsafe or unsupported shortcut for this firewall scenario: Assume a discovery map is always a real-time authoritative list of every asset on every network. Case details: An incident map omits a disconnected subnet and a report incorrectly states the network has no devices there. Governing behavior: Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory.

D:

This alternative describes a different control, Connection event allow block and policy correlation, rather than this scenario’s Network discovery map and asset context validation: Connection events record firewall-observed processing, not necessarily successful end-to-end application transactions.

Question 628

During a firewall implementation acceptance test: An incident map omits a disconnected subnet and a report incorrectly states the network has no devices there. Which specific evidence is MOST useful to confirm the real root cause? Select ONE best answer.

  1. Inspect current management registration, local policy configuration, device manager access and supported ownership transition.
  2. Inspect host history, IP-to-MAC transitions, last-seen fields, subnets monitored and inventory records.
  3. Inspect management address and route, port reachability, device registration logs, management identity and FMC connection state.
  4. Assume a discovery map is always a real-time authoritative list of every asset on every network.

Explanation

Correct Answer

B:

Direct independent verification: Inspect host history, IP-to-MAC transitions, last-seen fields, subnets monitored and inventory records.

Incorrect Answers

A:

That option would inspect current management registration, local policy configuration, device manager access and supported ownership transition, but it addresses a different concern. Governing behavior: Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory.

C:

That option would inspect management address and route, port reachability, device registration logs, management identity and FMC connection state, but it addresses a different concern. Governing behavior: Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory.

D:

Unsafe or unsupported shortcut for this firewall scenario: Assume a discovery map is always a real-time authoritative list of every asset on every network. Case details: An incident map omits a disconnected subnet and a report incorrectly states the network has no devices there. Governing behavior: Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory. Approved action: Cross-check discovery inventory and network map against current authoritative ownership, addresses and monitored traffic coverage. Independent evidence: Inspect host history, IP-to-MAC transitions, last-seen fields, subnets monitored and inventory records. Acceptance criterion: Investigators use current corroborated asset context and explicitly acknowledge unmonitored segments or uncertainty.

Question 629

A CCNP Security practice scenario presents this condition: An incident map omits a disconnected subnet and a report incorrectly states the network has no devices there. Which observed result BEST confirms that the change meets the intended security requirement? Select ONE best answer.

  1. The reported failure is attributed to a real firewall block, path problem or application condition with matching records.
  2. Assume a discovery map is always a real-time authoritative list of every asset on every network.
  3. Investigators use current corroborated asset context and explicitly acknowledge unmonitored segments or uncertainty.
  4. A reproducible failure has a complete targeted trace linked to observed packets and a defensible root-cause hypothesis.

Explanation

Correct Answer

C:

Required acceptance evidence: Investigators use current corroborated asset context and explicitly acknowledge unmonitored segments or uncertainty.

Incorrect Answers

A:

This alternative describes a different control, Connection event allow block and policy correlation, rather than this scenario’s Network discovery map and asset context validation: The reported failure is attributed to a real firewall block, path problem or application condition with matching records.

B:

Unsafe or unsupported shortcut for this firewall scenario: Assume a discovery map is always a real-time authoritative list of every asset on every network.

D:

This alternative describes a different control, System Support Trace guided evidence, rather than this scenario’s Network discovery map and asset context validation: A reproducible failure has a complete targeted trace linked to observed packets and a defensible root-cause hypothesis.

Question 630

A firewall service owner escalates the following: An incident map omits a disconnected subnet and a report incorrectly states the network has no devices there. Which TWO complementary choices provide the most appropriate corrective action and its direct independent verification? Select TWO answers.

  1. Cross-check discovery inventory and network map against current authoritative ownership, addresses and monitored traffic coverage.
  2. Inspect host history, IP-to-MAC transitions, last-seen fields, subnets monitored and inventory records.
  3. Inspect matched policy, initiator and responder addresses, bytes and disposition plus reverse-flow captures.
  4. Use packet-path simulation to inspect translation, access rule, egress route and then independently test reverse traffic and peer availability.
  5. Assume a discovery map is always a real-time authoritative list of every asset on every network.

Explanation

Correct Answers

A:

Appropriate implementation: Cross-check discovery inventory and network map against current authoritative ownership, addresses and monitored traffic coverage. Case details: An incident map omits a disconnected subnet and a report incorrectly states the network has no devices there. Governing behavior: Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory.

B:

Direct independent How to verify: Inspect host history, IP-to-MAC transitions, last-seen fields, subnets monitored and inventory records.

Incorrect Answers

C:

That option would inspect matched policy, initiator and responder addresses, bytes and disposition plus reverse-flow captures, but it addresses a different concern. Governing behavior: Asset maps depend on discovery telemetry, IP reuse and monitoring scope and may not represent a live complete inventory.

D:

This alternative describes a different control, Packet Tracer NAT and route evaluation, rather than this scenario’s Network discovery map and asset context validation: Use packet-path simulation to inspect translation, access rule, egress route and then independently test reverse traffic and peer availability.

E:

Unsafe or unsupported shortcut for this firewall scenario: Assume a discovery map is always a real-time authoritative list of every asset on every network.

Securing Networks with Cisco Firewalls (300-710) Practice Tests