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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 17

Question 160

At the Highland government office, R-HIG-RT1 cannot complete a TFTP image retrieval; the team keeps changing SSH passwords even though the TFTP server's UDP reachability is blocked. Which operational change most directly addresses the fault described?

  1. Update the authorized SNMP view so it includes the required interface-counter OID subtree.
  2. Enable an approved HTTPS management service and limit management access to trusted sources.
  3. Configure the intended trap receiver, notification types and reachability for event delivery.
  4. Check TFTP UDP reachability, server path permissions and the correct server address rather than SSH credentials.

Explanation

Correct Answer

D:

At the Highland government office, the evidence points to a concrete mechanism rather than a generic outage. The TFTP transfer path is unavailable or disallowed; SSH authentication is unrelated to TFTP reachability. Check TFTP UDP reachability, server path permissions and the correct server address rather than SSH credentials. Confirm it by checking that the permitted TFTP read completes from the expected server after the network path is corrected.

Incorrect Answers

A:

That change targets snmpv3 view denies oid, not the reported tftp reachability versus credentials fault at the Highland government office. The TFTP transfer path is unavailable or disallowed; SSH authentication is unrelated to TFTP reachability.

B:

This is appropriate for a different routing or network-control issue: The management interface transports credentials and session data without TLS protection. The stated evidence at the Highland government office instead concerns tftp reachability versus credentials.

C:

This could help where snmp polling versus trap delivery is the issue, but not for the evidence reported at the Highland government office. The TFTP transfer path is unavailable or disallowed; SSH authentication is unrelated to TFTP reachability.

Question 161

At the Brookstone distribution branch, an SNMPv3 manager polls R-BRK-EDGE1 using authPriv, but the router's corresponding user security settings do not match the manager's credentials and privacy parameters. Which operational change most directly addresses the fault described?

  1. Align the SNMPv3 user, authentication algorithm, privacy configuration and required security level.
  2. Update the authorized SNMP view so it includes the required interface-counter OID subtree.
  3. Check TFTP UDP reachability, server path permissions and the correct server address rather than SSH credentials.
  4. Use an authenticated SCP workflow and restrict access to the appropriate management accounts.

Explanation

Correct Answer

A:

Align the SNMPv3 user, authentication algorithm, privacy configuration and required security level. That directly addresses the documented condition at the Brookstone distribution branch: SNMPv3 authentication or privacy negotiation fails because the peers' user security settings differ. Confirmation should show that the intended OID can be retrieved with the required authPriv security and no authentication errors.

Incorrect Answers

B:

That change targets snmpv3 view denies oid, not the reported snmpv3 security level mismatch fault at the Brookstone distribution branch. SNMPv3 authentication or privacy negotiation fails because the peers' user security settings differ.

C:

This is appropriate for a different routing or network-control issue: The TFTP transfer path is unavailable or disallowed; SSH authentication is unrelated to TFTP reachability. The stated evidence at the Brookstone distribution branch instead concerns snmpv3 security level mismatch.

D:

This could help where scp for secure configuration copy is the issue, but not for the evidence reported at the Brookstone distribution branch. SNMPv3 authentication or privacy negotiation fails because the peers' user security settings differ.

Question 162

At the Silverstream data center, an SNMPv3 manager polls R-SIL-PE1 using authPriv, but the router's corresponding user security settings do not match the manager's credentials and privacy parameters. Which operational change most directly addresses the fault described?

  1. Update the authorized SNMP view so it includes the required interface-counter OID subtree.
  2. Align the SNMPv3 user, authentication algorithm, privacy configuration and required security level.
  3. Use an authenticated SCP workflow and restrict access to the appropriate management accounts.
  4. Configure the intended trap receiver, notification types and reachability for event delivery.

Explanation

Correct Answer

B:

Align the SNMPv3 user, authentication algorithm, privacy configuration and required security level. That directly addresses the documented condition at the Silverstream data center: SNMPv3 authentication or privacy negotiation fails because the peers' user security settings differ. Confirmation should show that the intended OID can be retrieved with the required authPriv security and no authentication errors.

Incorrect Answers

A:

This is appropriate for a different routing or network-control issue: The user's SNMP view excludes the requested management information despite valid authentication. The stated evidence at the Silverstream data center instead concerns snmpv3 security level mismatch.

C:

That change targets scp for secure configuration copy, not the reported snmpv3 security level mismatch fault at the Silverstream data center. SNMPv3 authentication or privacy negotiation fails because the peers' user security settings differ.

D:

This is appropriate for a different routing or network-control issue: SNMP polling works but asynchronous notification generation or destination settings are missing. The stated evidence at the Silverstream data center instead concerns snmpv3 security level mismatch.

Question 163

At the Lakeside transit hub, an SNMPv3 manager authenticates successfully to R-LAK-CORE1, but the needed interface counters return no values while other OIDs are readable. Which operational change most directly addresses the fault described?

  1. Update the authorized SNMP view so it includes the required interface-counter OID subtree.
  2. Restrict VTY input transport to SSH and preserve an authorized login authentication method.
  3. Enable an approved HTTPS management service and limit management access to trusted sources.
  4. Tighten the community access restrictions and migrate to SNMPv3 when supported by the management design.

Explanation

Correct Answer

A:

At the Lakeside transit hub, the evidence points to a concrete mechanism rather than a generic outage. The user's SNMP view excludes the requested management information despite valid authentication. Update the authorized SNMP view so it includes the required interface-counter OID subtree. Confirm it by checking that the manager retrieves the specific counters without expanding access to unrelated sensitive OIDs.

Incorrect Answers

B:

This is appropriate for a different routing or network-control issue: VTY transport settings allow Telnet even though SSH is available. The stated evidence at the Lakeside transit hub instead concerns snmpv3 view denies oid.

C:

This could help where https management instead of cleartext http is the issue, but not for the evidence reported at the Lakeside transit hub. The user's SNMP view excludes the requested management information despite valid authentication.

D:

That change targets snmpv2c community and source acl, not the reported snmpv3 view denies oid fault at the Lakeside transit hub. The user's SNMP view excludes the requested management information despite valid authentication.

Question 164

At the Southridge banking office, an SNMPv3 manager authenticates successfully to R-SRG-EDGE1, but the needed interface counters return no values while other OIDs are readable. Which operational change most directly addresses the fault described?

  1. Enable an approved HTTPS management service and limit management access to trusted sources.
  2. Align the SNMPv3 user, authentication algorithm, privacy configuration and required security level.
  3. Update the authorized SNMP view so it includes the required interface-counter OID subtree.
  4. Tighten the community access restrictions and migrate to SNMPv3 when supported by the management design.

Explanation

Correct Answer

C:

The fault at the Southridge banking office has a specific cause. The user's SNMP view excludes the requested management information despite valid authentication. Update the authorized SNMP view so it includes the required interface-counter OID subtree. Confirm success against this result: The manager retrieves the specific counters without expanding access to unrelated sensitive OIDs.

Incorrect Answers

A:

This could help where https management instead of cleartext http is the issue, but not for the evidence reported at the Southridge banking office. The user's SNMP view excludes the requested management information despite valid authentication.

B:

That change targets snmpv3 security level mismatch, not the reported snmpv3 view denies oid fault at the Southridge banking office. The user's SNMP view excludes the requested management information despite valid authentication.

D:

This could help where snmpv2c community and source acl is the issue, but not for the evidence reported at the Southridge banking office. The user's SNMP view excludes the requested management information despite valid authentication.

Question 165

At the Westlake utility network, R-WLK-EDGE1 responds to SNMP polling from a legacy unauthorized monitoring host because a broadly exposed v2c community is still enabled. Which operational change most directly addresses the fault described?

  1. Enable an approved HTTPS management service and limit management access to trusted sources.
  2. Update the authorized SNMP view so it includes the required interface-counter OID subtree.
  3. Tighten the community access restrictions and migrate to SNMPv3 when supported by the management design.
  4. Use an authenticated SCP workflow and restrict access to the appropriate management accounts.

Explanation

Correct Answer

C:

At the Westlake utility network, the evidence points to a concrete mechanism rather than a generic outage. A weakly restricted SNMPv2c community permits requests from unapproved source addresses. Tighten the community access restrictions and migrate to SNMPv3 when supported by the management design. Confirm it by checking that the authorized poller still receives data but the unauthorized source is denied.

Incorrect Answers

A:

This is appropriate for a different routing or network-control issue: The management interface transports credentials and session data without TLS protection. The stated evidence at the Westlake utility network instead concerns snmpv2c community and source acl.

B:

This could help where snmpv3 view denies oid is the issue, but not for the evidence reported at the Westlake utility network. A weakly restricted SNMPv2c community permits requests from unapproved source addresses.

D:

This is appropriate for a different routing or network-control issue: TFTP does not provide the confidentiality and authentication required for this sensitive transfer. The stated evidence at the Westlake utility network instead concerns snmpv2c community and source acl.

Question 166

At the Pinecrest freight terminal, R-PIN-WAN1 responds to SNMP polling from a legacy unauthorized monitoring host because a broadly exposed v2c community is still enabled. Which operational change most directly addresses the fault described?

  1. Configure the intended trap receiver, notification types and reachability for event delivery.
  2. Restrict VTY input transport to SSH and preserve an authorized login authentication method.
  3. Tighten the community access restrictions and migrate to SNMPv3 when supported by the management design.
  4. Restore the required SSH server identity keys and configured secure authentication method.

Explanation

Correct Answer

C:

Tighten the community access restrictions and migrate to SNMPv3 when supported by the management design. That directly addresses the documented condition at the Pinecrest freight terminal: A weakly restricted SNMPv2c community permits requests from unapproved source addresses. Confirmation should show that the authorized poller still receives data but the unauthorized source is denied.

Incorrect Answers

A:

That change targets snmp polling versus trap delivery, not the reported snmpv2c community and source acl fault at the Pinecrest freight terminal. A weakly restricted SNMPv2c community permits requests from unapproved source addresses.

B:

This is appropriate for a different routing or network-control issue: VTY transport settings allow Telnet even though SSH is available. The stated evidence at the Pinecrest freight terminal instead concerns snmpv2c community and source acl.

D:

That change targets ssh key and local authentication, not the reported snmpv2c community and source acl fault at the Pinecrest freight terminal. A weakly restricted SNMPv2c community permits requests from unapproved source addresses.

Question 167

At the Cedarfield retail branch, R-CED-BR1 answers scheduled SNMP polls but the network operations platform never receives interface-down trap notifications. Which operational change most directly addresses the fault described?

  1. Update the authorized SNMP view so it includes the required interface-counter OID subtree.
  2. Check TFTP UDP reachability, server path permissions and the correct server address rather than SSH credentials.
  3. Restrict VTY input transport to SSH and preserve an authorized login authentication method.
  4. Configure the intended trap receiver, notification types and reachability for event delivery.

Explanation

Correct Answer

D:

Configure the intended trap receiver, notification types and reachability for event delivery. That directly addresses the documented condition at the Cedarfield retail branch: SNMP polling works but asynchronous notification generation or destination settings are missing. Confirmation should show that a controlled interface event results in the expected trap at the configured management station.

Incorrect Answers

A:

This could help where snmpv3 view denies oid is the issue, but not for the evidence reported at the Cedarfield retail branch. SNMP polling works but asynchronous notification generation or destination settings are missing.

B:

That change targets tftp reachability versus credentials, not the reported snmp polling versus trap delivery fault at the Cedarfield retail branch. SNMP polling works but asynchronous notification generation or destination settings are missing.

C:

This is appropriate for a different routing or network-control issue: VTY transport settings allow Telnet even though SSH is available. The stated evidence at the Cedarfield retail branch instead concerns snmp polling versus trap delivery.

Question 168

At the Bluewater clinical network, R-BLU-PE1 answers scheduled SNMP polls but the network operations platform never receives interface-down trap notifications. Which operational change most directly addresses the fault described?

  1. Use an authenticated SCP workflow and restrict access to the appropriate management accounts.
  2. Enable an approved HTTPS management service and limit management access to trusted sources.
  3. Configure the intended trap receiver, notification types and reachability for event delivery.
  4. Tighten the community access restrictions and migrate to SNMPv3 when supported by the management design.

Explanation

Correct Answer

C:

At the Bluewater clinical network, the evidence points to a concrete mechanism rather than a generic outage. SNMP polling works but asynchronous notification generation or destination settings are missing. Configure the intended trap receiver, notification types and reachability for event delivery. Confirm it by checking that a controlled interface event results in the expected trap at the configured management station.

Incorrect Answers

A:

This is appropriate for a different routing or network-control issue: TFTP does not provide the confidentiality and authentication required for this sensitive transfer. The stated evidence at the Bluewater clinical network instead concerns snmp polling versus trap delivery.

B:

This could help where https management instead of cleartext http is the issue, but not for the evidence reported at the Bluewater clinical network. SNMP polling works but asynchronous notification generation or destination settings are missing.

D:

This is appropriate for a different routing or network-control issue: A weakly restricted SNMPv2c community permits requests from unapproved source addresses. The stated evidence at the Bluewater clinical network instead concerns snmp polling versus trap delivery.

Question 169

At the Harborview media campus, fault records from R-HAR-DIST1 and R-INL-DIST2 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. Configure the correct RA other-configuration flag and reachable stateless DHCPv6 service where appropriate.
  2. Set the remote logging severity threshold to include the events needed by operations without overloading the collector.
  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:

Synchronize network device clocks using approved time sources and include usable syslog timestamps. That directly addresses the documented condition at the Harborview media campus: Unsynchronized device time makes otherwise collected logs unreliable for cross-device event correlation. Confirmation should show that test events have consistent time order and reasonable timestamp skew across devices.

Incorrect Answers

A:

That change targets dhcpv6 stateless information request, not the reported syslog timestamp correlation fault at the Harborview media campus. Unsynchronized device time makes otherwise collected logs unreliable for cross-device event correlation.

B:

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 Harborview media campus instead concerns syslog timestamp correlation.

D:

That change targets dhcp excluded-address pool, not the reported syslog timestamp correlation fault at the Harborview media campus. Unsynchronized device time makes otherwise collected logs unreliable for cross-device event correlation.

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.