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Cisco 300-710 Practice Test 19

Question 180

During a firewall implementation acceptance test: A cluster expansion introduces a node without confirming the platform's supported member and interface requirements. Which TWO complementary choices provide the most appropriate corrective action and its direct independent verification? Select TWO answers.

  1. Build a supported cluster with consistent member settings, control and data connectivity and platform-specific prerequisites.
  2. Inspect approved runbook, prechange snapshots, recovery access, lab cutover results and reachability tests after each step.
  3. Inspect cluster membership and roles, interface assignments, control link health and supported platform matrix.
  4. Assume any mix of firewall models can be clustered merely by attaching them to the same subnet.
  5. Configure supported equal-cost paths with appropriate next-hop health and ensure a stateful-inspection-compatible return design.

Explanation

Correct Answers

A:

Appropriate implementation: Build a supported cluster with consistent member settings, control and data connectivity and platform-specific prerequisites. Case details: A cluster expansion introduces a node without confirming the platform's supported member and interface requirements. Governing behavior: Clustering coordinates multiple nodes for scalability or resiliency under documented platform constraints and is not identical to an active-standby HA pair.

C:

Direct independent How to verify: Inspect cluster membership and roles, interface assignments, control link health and supported platform matrix.

Incorrect Answers

B:

That option would inspect approved runbook, prechange snapshots, recovery access, lab cutover results and reachability tests after each step, but it addresses a different concern. Governing behavior: Clustering coordinates multiple nodes for scalability or resiliency under documented platform constraints and is not identical to an active-standby HA pair.

D:

Unsafe or unsupported shortcut for this firewall scenario: Assume any mix of firewall models can be clustered merely by attaching them to the same subnet.

E:

This alternative describes a different control, ECMP equal-cost multipath routing control, rather than this scenario’s Secure Firewall clustering control and data roles: Configure supported equal-cost paths with appropriate next-hop health and ensure a stateful-inspection-compatible return design.

Question 181

A CCNP Security practice scenario presents this condition: A firewall cluster loses one member and a portion of application flows fails because the design never tested ownership or rebalancing. Which security configuration or operational step BEST addresses the requirement? Select ONE best answer.

  1. Assume a clustered security service retains full throughput after any number of member outages with no traffic impact.
  2. Verify HA configuration and policy synchronization, supported connection state preservation and peer software compatibility before change.
  3. Verify the chosen Threat Defense version and deployment mode support the proposed NAT and inspection features, then redesign and retest unsupported configurations.
  4. Plan staged member failure tests and supported connection ownership behavior, retaining sufficient capacity and recovery access.

Explanation

Correct Answer

D:

Appropriate implementation: Plan staged member failure tests and supported connection ownership behavior, retaining sufficient capacity and recovery access.

Incorrect Answers

A:

That option would assume a clustered security service retains full throughput after any number of member outages with no traffic impact, but it addresses a different concern. Governing behavior: Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.

B:

That option would verify HA configuration and policy synchronization, supported connection state preservation and peer software compatibility before change, but it addresses a different concern. Governing behavior: Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.

C:

That option would verify the chosen Threat Defense version and deployment mode support the proposed NAT and inspection features, then redesign and retest unsupported configurations, but it addresses a different concern. Governing behavior: Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.

Question 182

A firewall service owner escalates the following: A firewall cluster loses one member and a portion of application flows fails because the design never tested ownership or rebalancing. Which firewall behavior or technical principle BEST explains the observed condition? Select ONE best answer.

  1. Deployment mode determines forwarding behavior and interface capabilities; transparent inspection is not interchangeable with a routed firewall topology.
  2. Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.
  3. Assume a clustered security service retains full throughput after any number of member outages with no traffic impact.
  4. A port channel aggregates compatible physical links into a logical interface; one failed or mismatched member can reduce effective capacity or prevent bundling.

Explanation

Correct Answer

B:

Underlying platform principle: Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.

Incorrect Answers

A:

This alternative describes a different control, Routed versus transparent insertion tradeoffs, rather than this scenario’s Cluster member failure and connection ownership: Deployment mode determines forwarding behavior and interface capabilities; transparent inspection is not interchangeable with a routed firewall topology.

C:

Unsafe or unsupported shortcut for this firewall scenario: Assume a clustered security service retains full throughput after any number of member outages with no traffic impact. It cannot establish the stated security outcome.

D:

This alternative describes a different control, LACP port channels and logical interfaces, rather than this scenario’s Cluster member failure and connection ownership: A port channel aggregates compatible physical links into a logical interface; one failed or mismatched member can reduce effective capacity or prevent bundling.

Question 183

An approved maintenance window surfaces this issue: A firewall cluster loses one member and a portion of application flows fails because the design never tested ownership or rebalancing. Which specific evidence is MOST useful to confirm the real root cause? Select ONE best answer.

  1. Inspect member status, connection-owner telemetry, resource utilization and representative flows during a controlled single-member loss.
  2. Review inline interface-pair membership, network diagrams, packet counters on both members and permitted versus test-blocked flows.
  3. Assume a clustered security service retains full throughput after any number of member outages with no traffic impact.
  4. Inspect peer state, failover-interface health, monitored link list, alarms and connection recovery during a controlled interruption.

Explanation

Correct Answer

A:

Direct independent verification: Inspect member status, connection-owner telemetry, resource utilization and representative flows during a controlled single-member loss.

Incorrect Answers

B:

That option would review inline interface-pair membership, network diagrams, packet counters on both members and permitted versus test-blocked flows, but it addresses a different concern. Governing behavior: Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.

C:

Unsafe or unsupported shortcut for this firewall scenario: Assume a clustered security service retains full throughput after any number of member outages with no traffic impact. It cannot establish the stated security outcome.

D:

That option would inspect peer state, failover-interface health, monitored link list, alarms and connection recovery during a controlled interruption, but it addresses a different concern. Governing behavior: Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.

Question 184

A Secure Firewall deployment change request reports: A firewall cluster loses one member and a portion of application flows fails because the design never tested ownership or rebalancing. Which observed result BEST confirms that the change meets the intended security requirement? Select ONE best answer.

  1. Assume a clustered security service retains full throughput after any number of member outages with no traffic impact.
  2. A qualified standby assumes traffic handling upon monitored failure within the approved recovery objective.
  3. End hosts keep their intended gateway, frames traverse a single intended inspected path and MAC flapping stops.
  4. Supported traffic redistributes or recovers within documented limits and the remaining members meet capacity requirements.

Explanation

Correct Answer

D:

Required acceptance evidence: Supported traffic redistributes or recovers within documented limits and the remaining members meet capacity requirements.

Incorrect Answers

A:

Unsafe or unsupported shortcut for this firewall scenario: Assume a clustered security service retains full throughput after any number of member outages with no traffic impact. Case details: A firewall cluster loses one member and a portion of application flows fails because the design never tested ownership or rebalancing. Governing behavior: Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.

B:

This alternative describes a different control, HA active standby roles and failover triggers, rather than this scenario’s Cluster member failure and connection ownership: A qualified standby assumes traffic handling upon monitored failure within the approved recovery objective.

C:

This alternative describes a different control, Transparent firewall Layer 2 adjacency and MAC learning, rather than this scenario’s Cluster member failure and connection ownership: End hosts keep their intended gateway, frames traverse a single intended inspected path and MAC flapping stops.

Question 185

An FMC policy and traffic review discovers: A firewall cluster loses one member and a portion of application flows fails because the design never tested ownership or rebalancing. Which misleading assumption MOST directly causes this issue and must be rejected? Select ONE best answer.

  1. Assume a passive copy-based sensor can always drop the original attack packet or infer unmirrored return traffic.
  2. Assume a clustered security service retains full throughput after any number of member outages with no traffic impact.
  3. Assume an HA pair always detects and corrects every adjacent network failure without configured health monitoring.
  4. Assume the presence of two powered-on firewalls guarantees synchronized policies and seamless continuity for every session.

Explanation

Correct Answer

B:

Reject the scenario-specific unsafe assumption: Assume a clustered security service retains full throughput after any number of member outages with no traffic impact. The stated shortcut conflicts with the intended control and its documented verification.

Incorrect Answers

A:

That option would assume a passive copy-based sensor can always drop the original attack packet or infer unmirrored return traffic, but it addresses a different concern. Governing behavior: Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.

C:

That option would assume an HA pair always detects and corrects every adjacent network failure without configured health monitoring, but it addresses a different concern. Governing behavior: Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.

D:

That option would assume the presence of two powered-on firewalls guarantees synchronized policies and seamless continuity for every session, but it addresses a different concern. Governing behavior: Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.

Question 186

An engineer validates a Cisco Secure Firewall implementation: During a clustered firmware change, engineers simultaneously remove multiple members without verifying remaining throughput. Which security configuration or operational step BEST addresses the requirement? Select ONE best answer.

  1. Configure supported active-standby high availability with appropriate monitored interfaces, healthy peer roles and tested failover triggers.
  2. Plan staged member failure tests and supported connection ownership behavior, retaining sufficient capacity and recovery access.
  3. Assume a clustered security service retains full throughput after any number of member outages with no traffic impact.
  4. Configure supported equal-cost paths with appropriate next-hop health and ensure a stateful-inspection-compatible return design.

Explanation

Correct Answer

B:

Appropriate implementation: Plan staged member failure tests and supported connection ownership behavior, retaining sufficient capacity and recovery access.

Incorrect Answers

A:

That option would configure supported active-standby high availability with appropriate monitored interfaces, healthy peer roles and tested failover triggers, but it addresses a different concern. Governing behavior: Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.

C:

Unsafe or unsupported shortcut for this firewall scenario: Assume a clustered security service retains full throughput after any number of member outages with no traffic impact. It cannot establish the stated security outcome.

D:

That option would configure supported equal-cost paths with appropriate next-hop health and ensure a stateful-inspection-compatible return design, but it addresses a different concern. Governing behavior: Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.

Question 187

A security operations incident describes: During a clustered firmware change, engineers simultaneously remove multiple members without verifying remaining throughput. Which firewall behavior or technical principle BEST explains the observed condition? Select ONE best answer.

  1. Passive inspection sees replicated traffic outside the forwarding path and generally cannot directly prevent the original packets from arriving.
  2. Security zones are logical interface groupings used by policy matching, and changing a label alone does not reliably put traffic into a matching zone.
  3. Assume a clustered security service retains full throughput after any number of member outages with no traffic impact.
  4. Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.

Explanation

Correct Answer

D:

Underlying platform principle: Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.

Incorrect Answers

A:

This alternative describes a different control, Passive NGIPS SPAN traffic visibility, rather than this scenario’s Cluster member failure and connection ownership: Passive inspection sees replicated traffic outside the forwarding path and generally cannot directly prevent the original packets from arriving.

B:

This alternative describes a different control, Security zones for routed and transparent contexts, rather than this scenario’s Cluster member failure and connection ownership: Security zones are logical interface groupings used by policy matching, and changing a label alone does not reliably put traffic into a matching zone.

C:

Unsafe or unsupported shortcut for this firewall scenario: Assume a clustered security service retains full throughput after any number of member outages with no traffic impact. Case details: During a clustered firmware change, engineers simultaneously remove multiple members without verifying remaining throughput. Governing behavior: Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.

Question 188

During a firewall implementation acceptance test: During a clustered firmware change, engineers simultaneously remove multiple members without verifying remaining throughput. Which specific evidence is MOST useful to confirm the real root cause? Select ONE best answer.

  1. Inspect interface modes and addresses, route selection on both sides, ARP for directly connected peers and a controlled packet trace.
  2. Inspect member status, connection-owner telemetry, resource utilization and representative flows during a controlled single-member loss.
  3. Review logical packet path, appliance mode, interface fail-open or bypass support and controlled downtime tests.
  4. Assume a clustered security service retains full throughput after any number of member outages with no traffic impact.

Explanation

Correct Answer

B:

Direct independent verification: Inspect member status, connection-owner telemetry, resource utilization and representative flows during a controlled single-member loss.

Incorrect Answers

A:

That option would inspect interface modes and addresses, route selection on both sides, ARP for directly connected peers and a controlled packet trace, but it addresses a different concern. Governing behavior: Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.

C:

That option would review logical packet path, appliance mode, interface fail-open or bypass support and controlled downtime tests, but it addresses a different concern. Governing behavior: Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.

D:

Unsafe or unsupported shortcut for this firewall scenario: Assume a clustered security service retains full throughput after any number of member outages with no traffic impact. Case details: During a clustered firmware change, engineers simultaneously remove multiple members without verifying remaining throughput. Governing behavior: Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss. Approved action: Plan staged member failure tests and supported connection ownership behavior, retaining sufficient capacity and recovery access. Independent evidence: Inspect member status, connection-owner telemetry, resource utilization and representative flows during a controlled single-member loss. Acceptance criterion: Supported traffic redistributes or recovers within documented limits and the remaining members meet capacity requirements.

Question 189

A CCNP Security practice scenario presents this condition: During a clustered firmware change, engineers simultaneously remove multiple members without verifying remaining throughput. Which observed result BEST confirms that the change meets the intended security requirement? Select ONE best answer.

  1. The sensor reports complete expected mirrored sessions while production traffic continues independently of sensor availability.
  2. Assume a clustered security service retains full throughput after any number of member outages with no traffic impact.
  3. Supported traffic redistributes or recovers within documented limits and the remaining members meet capacity requirements.
  4. The intended members form a healthy logical link and traffic continues after a single member failure where supported.

Explanation

Correct Answer

C:

Required acceptance evidence: Supported traffic redistributes or recovers within documented limits and the remaining members meet capacity requirements.

Incorrect Answers

A:

This alternative describes a different control, Passive NGIPS SPAN traffic visibility, rather than this scenario’s Cluster member failure and connection ownership: The sensor reports complete expected mirrored sessions while production traffic continues independently of sensor availability.

B:

Unsafe or unsupported shortcut for this firewall scenario: Assume a clustered security service retains full throughput after any number of member outages with no traffic impact.

D:

This alternative describes a different control, LACP port channels and logical interfaces, rather than this scenario’s Cluster member failure and connection ownership: The intended members form a healthy logical link and traffic continues after a single member failure where supported.

Question 190

A firewall service owner escalates the following: During a clustered firmware change, engineers simultaneously remove multiple members without verifying remaining throughput. Which TWO complementary choices provide the most appropriate corrective action and its direct independent verification? Select TWO answers.

  1. Configure supported equal-cost paths with appropriate next-hop health and ensure a stateful-inspection-compatible return design.
  2. Inspect member status, connection-owner telemetry, resource utilization and representative flows during a controlled single-member loss.
  3. Plan staged member failure tests and supported connection ownership behavior, retaining sufficient capacity and recovery access.
  4. Inspect switch MAC movement, spanning-tree state, bridge-group interfaces and hop-by-hop packet captures under a controlled test.
  5. Assume a clustered security service retains full throughput after any number of member outages with no traffic impact.

Explanation

Correct Answers

B:

Direct independent How to verify: Inspect member status, connection-owner telemetry, resource utilization and representative flows during a controlled single-member loss.

C:

Appropriate implementation: Plan staged member failure tests and supported connection ownership behavior, retaining sufficient capacity and recovery access. Case details: During a clustered firmware change, engineers simultaneously remove multiple members without verifying remaining throughput. Governing behavior: Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.

Incorrect Answers

A:

This alternative describes a different control, ECMP equal-cost multipath routing control, rather than this scenario’s Cluster member failure and connection ownership: Configure supported equal-cost paths with appropriate next-hop health and ensure a stateful-inspection-compatible return design.

D:

That option would inspect switch MAC movement, spanning-tree state, bridge-group interfaces and hop-by-hop packet captures under a controlled test, but it addresses a different concern. Governing behavior: Clustered traffic distribution and state handling depend on node roles, ownership rules and member health; a cluster is not immunity to capacity loss.

E:

Unsafe or unsupported shortcut for this firewall scenario: Assume a clustered security service retains full throughput after any number of member outages with no traffic impact.

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