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Cisco 300-410 Bundle

Exam Code: 300-410

Exam Name Implementing Cisco Enterprise Advanced Routing and Services (ENARSI)

Certification Provider: Cisco

Corresponding Certification: CCNP Enterprise

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Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) (300-410) Practice Tests

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Cisco 300-410 Practice Test 18

Question 170

At the Ironwood training campus, fault records from R-IRN-RT1 and R-CLR-RT2 arrive at the same syslog collector but their timestamps differ by minutes, hiding causal order. Which operational change most directly addresses the fault described?

  1. Use targeted conditional debugging, capture only needed events and disable debug promptly.
  2. Configure supported model-driven telemetry or scheduled counter collection for the required performance paths.
  3. Synchronize network device clocks using approved time sources and include usable syslog timestamps.
  4. Exclude the statically assigned address range from the IOS DHCP allocation pool.

Explanation

Correct Answer

C:

The fault at the Ironwood training campus has a specific cause. Unsynchronized device time makes otherwise collected logs unreliable for cross-device event correlation. Synchronize network device clocks using approved time sources and include usable syslog timestamps. Confirm success against this result: Test events have consistent time order and reasonable timestamp skew across devices.

Incorrect Answers

A:

This could help where conditional debug and router load is the issue, but not for the evidence reported at the Ironwood training campus. Unsynchronized device time makes otherwise collected logs unreliable for cross-device event correlation.

B:

That change targets telemetry visibility versus only log events, not the reported syslog timestamp correlation fault at the Ironwood training campus. Unsynchronized device time makes otherwise collected logs unreliable for cross-device event correlation.

D:

This could help where dhcp excluded-address pool is the issue, but not for the evidence reported at the Ironwood training campus. Unsynchronized device time makes otherwise collected logs unreliable for cross-device event correlation.

Question 171

At the Hillcrest research lab, a remote syslog collector receives critical events but not informational interface-change records from R-HCR-RT1. Which operational change most directly addresses the fault described?

  1. Configure the correct RA other-configuration flag and reachable stateless DHCPv6 service where appropriate.
  2. Use targeted conditional debugging, capture only needed events and disable debug promptly.
  3. Set the remote logging severity threshold to include the events needed by operations without overloading the collector.
  4. Investigate and clear resolved DHCP address conflicts only after correcting duplicate-address sources.

Explanation

Correct Answer

C:

At the Hillcrest research lab, the evidence points to a concrete mechanism rather than a generic outage. The remote logging level filters less-severe events before they are forwarded. Set the remote logging severity threshold to include the events needed by operations without overloading the collector. Confirm it by checking that a controlled informational event reaches the collector and event volume remains manageable.

Incorrect Answers

A:

This is appropriate for a different routing or network-control issue: Hosts are not signaled to use DHCPv6 for auxiliary information despite having SLAAC addresses. The stated evidence at the Hillcrest research lab instead concerns syslog severity threshold.

B:

This could help where conditional debug and router load is the issue, but not for the evidence reported at the Hillcrest research lab. The remote logging level filters less-severe events before they are forwarded.

D:

This is appropriate for a different routing or network-control issue: Duplicate-address conflicts are withholding otherwise available pool addresses from assignment. The stated evidence at the Hillcrest research lab instead concerns syslog severity threshold.

Question 172

At the Northport logistics site, a remote syslog collector receives critical events but not informational interface-change records from R-NOR-WAN1. Which operational change most directly addresses the fault described?

  1. Set the remote logging severity threshold to include the events needed by operations without overloading the collector.
  2. Configure DHCPv6 relay on the client-facing interface toward the authorized server destination.
  3. Synchronize network device clocks using approved time sources and include usable syslog timestamps.
  4. Configure supported model-driven telemetry or scheduled counter collection for the required performance paths.

Explanation

Correct Answer

A:

At the Northport logistics site, the evidence points to a concrete mechanism rather than a generic outage. The remote logging level filters less-severe events before they are forwarded. Set the remote logging severity threshold to include the events needed by operations without overloading the collector. Confirm it by checking that a controlled informational event reaches the collector and event volume remains manageable.

Incorrect Answers

B:

This is appropriate for a different routing or network-control issue: The relay function required to forward DHCPv6 messages to a remote server is absent or misdirected. The stated evidence at the Northport logistics site instead concerns syslog severity threshold.

C:

This could help where syslog timestamp correlation is the issue, but not for the evidence reported at the Northport logistics site. The remote logging level filters less-severe events before they are forwarded.

D:

That change targets telemetry visibility versus only log events, not the reported syslog severity threshold fault at the Northport logistics site. The remote logging level filters less-severe events before they are forwarded.

Question 173

At the Elmfield engineering office, a technician enables unrestricted high-volume routing debug on R-ELM-EDGE1, sharply increasing CPU load during a customer incident. Which operational change most directly addresses the fault described?

  1. Enable the approved relay-agent information handling and ensure the server trusts the intended relay metadata.
  2. Configure the DHCP relay helper on the client-facing Layer 3 interface toward the authorized server.
  3. Set the remote logging severity threshold to include the events needed by operations without overloading the collector.
  4. Use targeted conditional debugging, capture only needed events and disable debug promptly.

Explanation

Correct Answer

D:

Use targeted conditional debugging, capture only needed events and disable debug promptly. That directly addresses the documented condition at the Elmfield engineering office: Unrestricted debug processing is consuming resources that the routing device needs for production forwarding and control. Confirmation should show that required diagnostic messages are captured while device CPU returns to stable operating limits.

Incorrect Answers

A:

This could help where dhcp option 82 relay metadata is the issue, but not for the evidence reported at the Elmfield engineering office. Unrestricted debug processing is consuming resources that the routing device needs for production forwarding and control.

B:

That change targets ipv4 dhcp relay for remote server, not the reported conditional debug and router load fault at the Elmfield engineering office. Unrestricted debug processing is consuming resources that the routing device needs for production forwarding and control.

C:

This is appropriate for a different routing or network-control issue: The remote logging level filters less-severe events before they are forwarded. The stated evidence at the Elmfield engineering office instead concerns conditional debug and router load.

Question 174

At the Granite manufacturing plant, a technician enables unrestricted high-volume routing debug on R-GRA-PE1, sharply increasing CPU load during a customer incident. Which operational change most directly addresses the fault described?

  1. Set the remote logging severity threshold to include the events needed by operations without overloading the collector.
  2. Synchronize network device clocks using approved time sources and include usable syslog timestamps.
  3. Investigate and clear resolved DHCP address conflicts only after correcting duplicate-address sources.
  4. Use targeted conditional debugging, capture only needed events and disable debug promptly.

Explanation

Correct Answer

D:

The fault at the Granite manufacturing plant has a specific cause. Unrestricted debug processing is consuming resources that the routing device needs for production forwarding and control. Use targeted conditional debugging, capture only needed events and disable debug promptly. Confirm success against this result: Required diagnostic messages are captured while device CPU returns to stable operating limits.

Incorrect Answers

A:

This is appropriate for a different routing or network-control issue: The remote logging level filters less-severe events before they are forwarded. The stated evidence at the Granite manufacturing plant instead concerns conditional debug and router load.

B:

This could help where syslog timestamp correlation is the issue, but not for the evidence reported at the Granite manufacturing plant. Unrestricted debug processing is consuming resources that the routing device needs for production forwarding and control.

C:

That change targets dhcp declined conflicts, not the reported conditional debug and router load fault at the Granite manufacturing plant. Unrestricted debug processing is consuming resources that the routing device needs for production forwarding and control.

Question 175

At the Aspen agricultural office, R-ASP-WAN1 sends discrete syslog alarms, but operators need continuous interface queue and utilization time series to investigate intermittent congestion. Which operational change most directly addresses the fault described?

  1. Use targeted conditional debugging, capture only needed events and disable debug promptly.
  2. Configure supported model-driven telemetry or scheduled counter collection for the required performance paths.
  3. Configure the DHCP relay helper on the client-facing Layer 3 interface toward the authorized server.
  4. Investigate and clear resolved DHCP address conflicts only after correcting duplicate-address sources.

Explanation

Correct Answer

B:

The fault at the Aspen agricultural office has a specific cause. Event-only syslog messages do not provide the periodic operational counter series requested. Configure supported model-driven telemetry or scheduled counter collection for the required performance paths. Confirm success against this result: A collector receives timestamped interface metrics across the congested interval.

Incorrect Answers

A:

That change targets conditional debug and router load, not the reported telemetry visibility versus only log events fault at the Aspen agricultural office. Event-only syslog messages do not provide the periodic operational counter series requested.

C:

This could help where ipv4 dhcp relay for remote server is the issue, but not for the evidence reported at the Aspen agricultural office. Event-only syslog messages do not provide the periodic operational counter series requested.

D:

That change targets dhcp declined conflicts, not the reported telemetry visibility versus only log events fault at the Aspen agricultural office. Event-only syslog messages do not provide the periodic operational counter series requested.

Question 176

At the Oakbridge insurance office, R-OAK-EDGE1 sends discrete syslog alarms, but operators need continuous interface queue and utilization time series to investigate intermittent congestion. Which operational change most directly addresses the fault described?

  1. Configure DHCPv6 relay on the client-facing interface toward the authorized server destination.
  2. Configure the correct RA other-configuration flag and reachable stateless DHCPv6 service where appropriate.
  3. Configure supported model-driven telemetry or scheduled counter collection for the required performance paths.
  4. Use targeted conditional debugging, capture only needed events and disable debug promptly.

Explanation

Correct Answer

C:

The fault at the Oakbridge insurance office has a specific cause. Event-only syslog messages do not provide the periodic operational counter series requested. Configure supported model-driven telemetry or scheduled counter collection for the required performance paths. Confirm success against this result: A collector receives timestamped interface metrics across the congested interval.

Incorrect Answers

A:

This could help where dhcpv6 relay destination is the issue, but not for the evidence reported at the Oakbridge insurance office. Event-only syslog messages do not provide the periodic operational counter series requested.

B:

That change targets dhcpv6 stateless information request, not the reported telemetry visibility versus only log events fault at the Oakbridge insurance office. Event-only syslog messages do not provide the periodic operational counter series requested.

D:

This could help where conditional debug and router load is the issue, but not for the evidence reported at the Oakbridge insurance office. Event-only syslog messages do not provide the periodic operational counter series requested.

Question 177

At the Redwood medical campus, clients send DHCPDISCOVER on a VLAN whose server resides at the Central clinical data center; no offers return, and the routed network carries unicast traffic normally. Which operational change most directly addresses the fault described?

  1. Enable the approved relay-agent information handling and ensure the server trusts the intended relay metadata.
  2. Set the remote logging severity threshold to include the events needed by operations without overloading the collector.
  3. Exclude the statically assigned address range from the IOS DHCP allocation pool.
  4. Configure the DHCP relay helper on the client-facing Layer 3 interface toward the authorized server.

Explanation

Correct Answer

D:

The fault at the Redwood medical campus has a specific cause. Client DHCP broadcasts are not forwarded across the router to the remote DHCP service. Configure the DHCP relay helper on the client-facing Layer 3 interface toward the authorized server. Confirm success against this result: Clients receive leases from the authorized remote server through the relay path.

Incorrect Answers

A:

This is appropriate for a different routing or network-control issue: Required DHCP relay-agent location information is missing from forwarded requests. The stated evidence at the Redwood medical campus instead concerns ipv4 dhcp relay for remote server.

B:

This could help where syslog severity threshold is the issue, but not for the evidence reported at the Redwood medical campus. Client DHCP broadcasts are not forwarded across the router to the remote DHCP service.

C:

That change targets dhcp excluded-address pool, not the reported ipv4 dhcp relay for remote server fault at the Redwood medical campus. Client DHCP broadcasts are not forwarded across the router to the remote DHCP service.

Question 178

At the Cedarbrook hospital, clients send DHCPDISCOVER on a VLAN whose server resides at the Eastlake diagnostic center; no offers return, and the routed network carries unicast traffic normally. Which operational change most directly addresses the fault described?

  1. Enable the approved relay-agent information handling and ensure the server trusts the intended relay metadata.
  2. Configure the DHCP relay helper on the client-facing Layer 3 interface toward the authorized server.
  3. Configure supported model-driven telemetry or scheduled counter collection for the required performance paths.
  4. Set the remote logging severity threshold to include the events needed by operations without overloading the collector.

Explanation

Correct Answer

B:

The fault at the Cedarbrook hospital has a specific cause. Client DHCP broadcasts are not forwarded across the router to the remote DHCP service. Configure the DHCP relay helper on the client-facing Layer 3 interface toward the authorized server. Confirm success against this result: Clients receive leases from the authorized remote server through the relay path.

Incorrect Answers

A:

That change targets dhcp option 82 relay metadata, not the reported ipv4 dhcp relay for remote server fault at the Cedarbrook hospital. Client DHCP broadcasts are not forwarded across the router to the remote DHCP service.

C:

This could help where telemetry visibility versus only log events is the issue, but not for the evidence reported at the Cedarbrook hospital. Client DHCP broadcasts are not forwarded across the router to the remote DHCP service.

D:

That change targets syslog severity threshold, not the reported ipv4 dhcp relay for remote server fault at the Cedarbrook hospital. Client DHCP broadcasts are not forwarded across the router to the remote DHCP service.

Question 179

At the Bayview university campus, R-BAY-DIST1's IOS DHCP server assigns a lease in a range reserved for statically configured printers. Which operational change most directly addresses the fault described?

  1. Exclude the statically assigned address range from the IOS DHCP allocation pool.
  2. Configure DHCPv6 relay on the client-facing interface toward the authorized server destination.
  3. Investigate and clear resolved DHCP address conflicts only after correcting duplicate-address sources.
  4. Enable the approved relay-agent information handling and ensure the server trusts the intended relay metadata.

Explanation

Correct Answer

A:

Exclude the statically assigned address range from the IOS DHCP allocation pool. That directly addresses the documented condition at the Bayview university campus: The DHCP pool includes addresses reserved for devices that are configured manually. Confirmation should show that new leases avoid excluded printer addresses while available dynamic addresses remain allocable.

Incorrect Answers

B:

That change targets dhcpv6 relay destination, not the reported dhcp excluded-address pool fault at the Bayview university campus. The DHCP pool includes addresses reserved for devices that are configured manually.

C:

This is appropriate for a different routing or network-control issue: Duplicate-address conflicts are withholding otherwise available pool addresses from assignment. The stated evidence at the Bayview university campus instead concerns dhcp excluded-address pool.

D:

This could help where dhcp option 82 relay metadata is the issue, but not for the evidence reported at the Bayview university campus. The DHCP pool includes addresses reserved for devices that are configured manually.

Question 180

At the Clearwater library district, R-CLW-EDGE1's IOS DHCP server assigns a lease in a range reserved for statically configured printers. Which operational change most directly addresses the fault described?

  1. Exclude the statically assigned address range from the IOS DHCP allocation pool.
  2. Configure the correct RA other-configuration flag and reachable stateless DHCPv6 service where appropriate.
  3. Synchronize network device clocks using approved time sources and include usable syslog timestamps.
  4. Enable the approved relay-agent information handling and ensure the server trusts the intended relay metadata.

Explanation

Correct Answer

A:

The fault at the Clearwater library district has a specific cause. The DHCP pool includes addresses reserved for devices that are configured manually. Exclude the statically assigned address range from the IOS DHCP allocation pool. Confirm success against this result: New leases avoid excluded printer addresses while available dynamic addresses remain allocable.

Incorrect Answers

B:

This could help where dhcpv6 stateless information request is the issue, but not for the evidence reported at the Clearwater library district. The DHCP pool includes addresses reserved for devices that are configured manually.

C:

That change targets syslog timestamp correlation, not the reported dhcp excluded-address pool fault at the Clearwater library district. The DHCP pool includes addresses reserved for devices that are configured manually.

D:

This is appropriate for a different routing or network-control issue: Required DHCP relay-agent location information is missing from forwarded requests. The stated evidence at the Clearwater library district instead concerns dhcp excluded-address pool.