HP HPE7-A08 Practice Test 68

Question 670

Before changing switch configuration, an engineer investigates: Switch sensors show a recurring rise in chassis temperature during peak activity. Which FIRST check is most useful for isolating the cause?

Check queue statistics, burst windows and class mapping
Inspect component status, airflow and room temperature history
Inspect NAE script conditions, active agents and event timing
Check counter deltas, timestamps and transceiver diagnostics

Explanation

Correct Answer

Inspect component status, airflow and room temperature history. This first check isolates the relevant mechanism without an untested configuration change. It tests the rule that hardware environmental telemetry is relevant to switch reliability.

Incorrect Answers

This diagnostic choice fits a different situation: An application reports congestion but the aggregate uplink bandwidth chart is low. It does not resolve the stated failure mode. For this case, the decisive diagnostic choice is to inspect component status, airflow and room temperature history.

This diagnostic choice fits a different situation: The network team wants automated detection of a repeated port-flap pattern. It does not resolve the stated failure mode. For this case, the decisive diagnostic choice is to inspect component status, airflow and room temperature history.

This diagnostic choice fits a different situation: An uplink seems healthy but the monitoring system shows steadily increasing receive errors. It does not resolve the stated failure mode. For this case, the decisive diagnostic choice is to inspect component status, airflow and room temperature history.

Question 671

An implementation change is planned for: Switch sensors show a recurring rise in chassis temperature during peak activity. Which preventive control BEST reduces unnecessary outage and security risk?

Alert on role loss and rehearse member replacement
Set baseline failure rates and monitor policy rollout cohorts
Verify required telemetry data fields in a staged group
Set temperature thresholds and plan cooling maintenance

Explanation

Correct Answer

Set temperature thresholds and plan cooling maintenance. This safeguard is appropriate before the change to monitor fan, temperature and power-supply health with environmental thresholds; it reduces exposure to the mistake of ignoring fan alarms because forwarding still works.

Incorrect Answers

This prevention choice fits a different situation: A 6300 VSF stack has a missing standby member after a replacement. It does not resolve the stated failure mode. For this case, the decisive prevention choice is to set temperature thresholds and plan cooling maintenance.

This prevention choice fits a different situation: Port-access authentication failures increase sharply after an AAA server change. It does not resolve the stated failure mode. For this case, the decisive prevention choice is to set temperature thresholds and plan cooling maintenance.

This prevention choice fits a different situation: Central displays a managed device online but no useful wired client details. It does not resolve the stated failure mode. For this case, the decisive prevention choice is to set temperature thresholds and plan cooling maintenance.

Question 672

A first repair attempt for this situation failed: Switch sensors show a recurring rise in chassis temperature during peak activity. The review found the mistaken approach of ignoring fan alarms because forwarding still works. Which targeted recovery action BEST restores the intended design?

Repair event forwarding and confirm a controlled link-down alert
Correct the triggering interface or job and verify stable adjacency
Restore airflow or replace failed fan components under approved procedure
Replace or reconfigure the absent standby and validate failover

Explanation

Correct Answer

Restore airflow or replace failed fan components under approved procedure. This addresses the observed risk rather than hiding its symptoms. Confirm the repair when the equipment returns to safe operating limits without unexplained thermal alarms.

Incorrect Answers

This remediation choice fits a different situation: A central operations dashboard lacks alerts when a core link goes down. It does not resolve the stated failure mode. For this case, the decisive remediation choice is to restore airflow or replace failed fan components under approved procedure.

This remediation choice fits a different situation: An OSPF core reports adjacency oscillation at the same time daily. It does not resolve the stated failure mode. For this case, the decisive remediation choice is to restore airflow or replace failed fan components under approved procedure.

This remediation choice fits a different situation: A 6300 VSF stack has a missing standby member after a replacement. It does not resolve the stated failure mode. For this case, the decisive remediation choice is to restore airflow or replace failed fan components under approved procedure.

Question 673

An HPE Aruba Networking engineer faces this wired-network scenario: Port-access authentication failures increase sharply after an AAA server change. Which implementation action BEST addresses the requirement?

Correlate route-neighbor state changes with logging, interface health and planned jobs
Use an AOS-CX NAE monitoring agent or suitable telemetry to watch correlated events
Trend interface counters and correlate errors with media conditions
Trend authentication events, RADIUS responses and assigned roles across affected ports

Explanation

Correct Answer

Client authorization health requires protocol and role telemetry. The targeted implementation is to trend authentication events, RADIUS responses and assigned roles across affected ports. The deployment succeeds when the dashboard identifies the policy change and affected endpoint classes.

Incorrect Answers

This implementation choice fits a different situation: An OSPF core reports adjacency oscillation at the same time daily. It does not resolve the stated failure mode. For this case, the decisive implementation choice is to trend authentication events, RADIUS responses and assigned roles across affected ports.

This implementation choice fits a different situation: The network team wants automated detection of a repeated port-flap pattern. It does not resolve the stated failure mode. For this case, the decisive implementation choice is to trend authentication events, RADIUS responses and assigned roles across affected ports.

This implementation choice fits a different situation: An uplink seems healthy but the monitoring system shows steadily increasing receive errors. It does not resolve the stated failure mode. For this case, the decisive implementation choice is to trend authentication events, RADIUS responses and assigned roles across affected ports.

Question 674

After implementing the approved change — Trend authentication events, RADIUS responses and assigned roles across affected ports — for this scenario: Port-access authentication failures increase sharply after an AAA server change. Which observed result BEST verifies the outcome?

The equipment returns to safe operating limits without unexplained thermal alarms
The dashboard identifies the policy change and affected endpoint classes
Authorized operators can see validated client records without broadening access
The collector identifies key traffic sources while respecting sampling limitations

Explanation

Correct Answer

The dashboard identifies the policy change and affected endpoint classes. This is the observable acceptance evidence for the decision to trend authentication events, RADIUS responses and assigned roles across affected ports. It demonstrates the principle that client authorization health requires protocol and role telemetry.

Incorrect Answers

This verification choice fits a different situation: Switch sensors show a recurring rise in chassis temperature during peak activity. It does not resolve the stated failure mode. For this case, the decisive verification choice is to the dashboard identifies the policy change and affected endpoint classes.

This verification choice fits a different situation: Central displays a managed device online but no useful wired client details. It does not resolve the stated failure mode. For this case, the decisive verification choice is to the dashboard identifies the policy change and affected endpoint classes.

This verification choice fits a different situation: An engineering group needs visibility into traffic mixes rather than only aggregate port utilization. It does not resolve the stated failure mode. For this case, the decisive verification choice is to the dashboard identifies the policy change and affected endpoint classes.

Question 675

An HPE Aruba Networking design review examines: Port-access authentication failures increase sharply after an AAA server change. Which technical principle BEST explains the required approach?

Hardware environmental telemetry is relevant to switch reliability
NAE allows monitored conditions to trigger actions when supported
Management connectivity and client-visibility instrumentation are separate
Client authorization health requires protocol and role telemetry

Explanation

Correct Answer

Client authorization health requires protocol and role telemetry. The case therefore calls for this specifically controlled action: trend authentication events, RADIUS responses and assigned roles across affected ports. The acceptance evidence is that the dashboard identifies the policy change and affected endpoint classes.

Incorrect Answers

This principle choice fits a different situation: Switch sensors show a recurring rise in chassis temperature during peak activity. It does not resolve the stated failure mode. For this case, the decisive principle choice is to client authorization health requires protocol and role telemetry.

This principle choice fits a different situation: The network team wants automated detection of a repeated port-flap pattern. It does not resolve the stated failure mode. For this case, the decisive principle choice is to client authorization health requires protocol and role telemetry.

This principle choice fits a different situation: Central displays a managed device online but no useful wired client details. It does not resolve the stated failure mode. For this case, the decisive principle choice is to client authorization health requires protocol and role telemetry.

Question 676

A risk review for the following wired-network case asks what should be avoided: Port-access authentication failures increase sharply after an AAA server change. Which assumption creates the GREATEST implementation risk?

Treating a stack with no standby as fully redundant
Reporting only link state while ignoring port authentication failure events
Treating the absence of a helpdesk ticket as proof no link fault occurred
Clearing OSPF neighbors periodically as a permanent monitoring fix

Explanation

Correct Answer

Reporting only link state while ignoring port authentication failure events. That shortcut fails because client authorization health requires protocol and role telemetry. Instead, the appropriate approach is to trend authentication events, RADIUS responses and assigned roles across affected ports.

Incorrect Answers

This misconception choice fits a different situation: A 6300 VSF stack has a missing standby member after a replacement. It does not resolve the stated failure mode. For this case, the decisive misconception choice is to reporting only link state while ignoring port authentication failure events.

This misconception choice fits a different situation: A central operations dashboard lacks alerts when a core link goes down. It does not resolve the stated failure mode. For this case, the decisive misconception choice is to reporting only link state while ignoring port authentication failure events.

This misconception choice fits a different situation: An OSPF core reports adjacency oscillation at the same time daily. It does not resolve the stated failure mode. For this case, the decisive misconception choice is to reporting only link state while ignoring port authentication failure events.

Question 677

Before changing switch configuration, an engineer investigates: Port-access authentication failures increase sharply after an AAA server change. Which FIRST check is most useful for isolating the cause?

Inspect component status, airflow and room temperature history
Inspect exporter configuration, sample rates and collector ingestion
Inspect event logs, traps and configured alert recipients
Inspect AAA timeout, reject and authorization logs

Explanation

Correct Answer

Inspect AAA timeout, reject and authorization logs. This first check isolates the relevant mechanism without an untested configuration change. It tests the rule that client authorization health requires protocol and role telemetry.

Incorrect Answers

This diagnostic choice fits a different situation: Switch sensors show a recurring rise in chassis temperature during peak activity. It does not resolve the stated failure mode. For this case, the decisive diagnostic choice is to inspect AAA timeout, reject and authorization logs.

This diagnostic choice fits a different situation: An engineering group needs visibility into traffic mixes rather than only aggregate port utilization. It does not resolve the stated failure mode. For this case, the decisive diagnostic choice is to inspect AAA timeout, reject and authorization logs.

This diagnostic choice fits a different situation: A central operations dashboard lacks alerts when a core link goes down. It does not resolve the stated failure mode. For this case, the decisive diagnostic choice is to inspect AAA timeout, reject and authorization logs.

Question 678

An implementation change is planned for: Port-access authentication failures increase sharply after an AAA server change. Which preventive control BEST reduces unnecessary outage and security risk?

Verify required telemetry data fields in a staged group
Set baseline failure rates and monitor policy rollout cohorts
Alert on role loss and rehearse member replacement
Set alert severity and suppression according to service impact

Explanation

Correct Answer

Set baseline failure rates and monitor policy rollout cohorts. This safeguard is appropriate before the change to trend authentication events, RADIUS responses and assigned roles across affected ports; it reduces exposure to the mistake of reporting only link state while ignoring port authentication failure events.

Incorrect Answers

This prevention choice fits a different situation: Central displays a managed device online but no useful wired client details. It does not resolve the stated failure mode. For this case, the decisive prevention choice is to set baseline failure rates and monitor policy rollout cohorts.

This prevention choice fits a different situation: A 6300 VSF stack has a missing standby member after a replacement. It does not resolve the stated failure mode. For this case, the decisive prevention choice is to set baseline failure rates and monitor policy rollout cohorts.

This prevention choice fits a different situation: A central operations dashboard lacks alerts when a core link goes down. It does not resolve the stated failure mode. For this case, the decisive prevention choice is to set baseline failure rates and monitor policy rollout cohorts.

Question 679

A first repair attempt for this situation failed: Port-access authentication failures increase sharply after an AAA server change. The review found the mistaken approach of reporting only link state while ignoring port authentication failure events. Which targeted recovery action BEST restores the intended design?

Correct AAA reachability or policy mapping and confirm client authentication recovers
Correct collector connectivity and sample parameters then rerun analysis
Restore airflow or replace failed fan components under approved procedure
Repair event forwarding and confirm a controlled link-down alert

Explanation

Correct Answer

Correct AAA reachability or policy mapping and confirm client authentication recovers. This addresses the observed risk rather than hiding its symptoms. Confirm the repair when the dashboard identifies the policy change and affected endpoint classes.

Incorrect Answers

This remediation choice fits a different situation: An engineering group needs visibility into traffic mixes rather than only aggregate port utilization. It does not resolve the stated failure mode. For this case, the decisive remediation choice is to correct AAA reachability or policy mapping and confirm client authentication recovers.

This remediation choice fits a different situation: Switch sensors show a recurring rise in chassis temperature during peak activity. It does not resolve the stated failure mode. For this case, the decisive remediation choice is to correct AAA reachability or policy mapping and confirm client authentication recovers.

This remediation choice fits a different situation: A central operations dashboard lacks alerts when a core link goes down. It does not resolve the stated failure mode. For this case, the decisive remediation choice is to correct AAA reachability or policy mapping and confirm client authentication recovers.

Question 680

An HPE Aruba Networking engineer faces this wired-network scenario: A compliance tool needs read-only AOS-CX configuration inventory across firmware editions. Which implementation action BEST addresses the requirement?

Use idempotent desired-state changes with explicit device targeting and prechange diffs
Use version-aware AOS-CX REST API requests with least-privileged authenticated access
Compare authenticated API reads to the approved policy baseline and handle errors explicitly
Use a versioned golden configuration template and record approved deviations

Explanation

Correct Answer

REST API routes and fields are versioned and depend on switch support. The targeted implementation is to use version-aware AOS-CX REST API requests with least-privileged authenticated access. The deployment succeeds when the audit retrieves the intended properties on each supported target without writes.

Incorrect Answers

This implementation choice fits a different situation: An automation job must update access VLANs on a subset of managed switches. It does not resolve the stated failure mode. For this case, the decisive implementation choice is to use version-aware AOS-CX REST API requests with least-privileged authenticated access.

This implementation choice fits a different situation: An API-based audit reports success yet some switches have divergent security settings. It does not resolve the stated failure mode. For this case, the decisive implementation choice is to use version-aware AOS-CX REST API requests with least-privileged authenticated access.

This implementation choice fits a different situation: A security audit detects configuration differences among supposedly identical branch switches. It does not resolve the stated failure mode. For this case, the decisive implementation choice is to use version-aware AOS-CX REST API requests with least-privileged authenticated access.

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Pass Your HP HPE7-A08 Exam Easy!

Question 670

Explanation

Correct Answer

Incorrect Answers

Question 671

Explanation

Correct Answer

Incorrect Answers

Question 672

Explanation

Correct Answer

Incorrect Answers

Question 673

Explanation

Correct Answer

Incorrect Answers

Question 674

Explanation

Correct Answer

Incorrect Answers

Question 675

Explanation

Correct Answer

Incorrect Answers

Question 676

Explanation

Correct Answer

Incorrect Answers

Question 677

Explanation

Correct Answer

Incorrect Answers

Question 678

Explanation

Correct Answer

Incorrect Answers

Question 679

Explanation

Correct Answer

Incorrect Answers

Question 680

Explanation

Correct Answer

Incorrect Answers

HPE Network Switching Professional (HPE7-A08) Practice Tests