HP HPE7-A08 Practice Test 63

Question 620

A risk review for the following wired-network case asks what should be avoided: The network team wants automated detection of a repeated port-flap pattern. Which assumption creates the GREATEST implementation risk?

Clearing OSPF neighbors periodically as a permanent monitoring fix
Using a script alert that fires on every minor event with no suppression
Clearing counters repeatedly so long-term faults vanish from reports
Treating the absence of a helpdesk ticket as proof no link fault occurred

Explanation

Correct Answer

Using a script alert that fires on every minor event with no suppression. That shortcut fails because nAE allows monitored conditions to trigger actions when supported. Instead, the appropriate approach is to use an AOS-CX NAE monitoring agent or suitable telemetry to watch correlated events.

Incorrect Answers

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 using a script alert that fires on every minor event with no suppression.

This misconception 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 misconception choice is to using a script alert that fires on every minor event with no suppression.

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 using a script alert that fires on every minor event with no suppression.

Question 621

Before changing switch configuration, an engineer investigates: The network team wants automated detection of a repeated port-flap pattern. Which FIRST check is most useful for isolating the cause?

Inspect Central device context, client-tracking setting and reported endpoints
Inspect VSX brief state, ISL interface and keepalive reachability
Check queue statistics, burst windows and class mapping
Inspect NAE script conditions, active agents and event timing

Explanation

Correct Answer

Inspect NAE script conditions, active agents and event timing. This first check isolates the relevant mechanism without an untested configuration change. It tests the rule that nAE allows monitored conditions to trigger actions when supported.

Incorrect Answers

This diagnostic 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 diagnostic choice is to inspect NAE script conditions, active agents and event timing.

This diagnostic choice fits a different situation: A VSX core pair appears online but one peer reports an unhealthy ISL. It does not resolve the stated failure mode. For this case, the decisive diagnostic choice is to inspect NAE script conditions, active agents and event timing.

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 NAE script conditions, active agents and event timing.

Question 622

An implementation change is planned for: The network team wants automated detection of a repeated port-flap pattern. Which preventive control BEST reduces unnecessary outage and security risk?

Set thresholds and retain historical baselines
Set meaningful trigger thresholds and clear conditions
Preserve routing state telemetry across known maintenance windows
Set temperature thresholds and plan cooling maintenance

Explanation

Correct Answer

Set meaningful trigger thresholds and clear conditions. This safeguard is appropriate before the change to use an AOS-CX NAE monitoring agent or suitable telemetry to watch correlated events; it reduces exposure to the mistake of using a script alert that fires on every minor event with no suppression.

Incorrect Answers

This prevention 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 prevention choice is to set meaningful trigger thresholds and clear conditions.

This prevention 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 prevention choice is to set meaningful trigger thresholds and clear conditions.

This prevention 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 prevention choice is to set meaningful trigger thresholds and clear conditions.

Question 623

A first repair attempt for this situation failed: The network team wants automated detection of a repeated port-flap pattern. The review found the mistaken approach of using a script alert that fires on every minor event with no suppression. Which targeted recovery action BEST restores the intended design?

Tune the NAE condition and validate a controlled event sequence
Correct AAA reachability or policy mapping and confirm client authentication recovers
Enable the supported client-tracking data path and retest visibility
Restore airflow or replace failed fan components under approved procedure

Explanation

Correct Answer

Tune the NAE condition and validate a controlled event sequence. This addresses the observed risk rather than hiding its symptoms. Confirm the repair when a representative flap pattern produces a single meaningful health notification.

Incorrect Answers

This remediation 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 remediation choice is to tune the NAE condition and validate a controlled event sequence.

This remediation 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 remediation choice is to tune the NAE condition and validate a controlled event sequence.

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 tune the NAE condition and validate a controlled event sequence.

Question 624

An HPE Aruba Networking engineer faces this wired-network scenario: An engineering group needs visibility into traffic mixes rather than only aggregate port utilization. Which implementation action BEST addresses the requirement?

Correlate route-neighbor state changes with logging, interface health and planned jobs
Use sampled flow telemetry such as supported sFlow reporting to an approved collector
Review device telemetry visibility, group context and required client tracking settings
Trend authentication events, RADIUS responses and assigned roles across affected ports

Explanation

Correct Answer

Sampled flow export reveals traffic composition, not exact per-packet accounting. The targeted implementation is to use sampled flow telemetry such as supported sFlow reporting to an approved collector. The deployment succeeds when the collector identifies key traffic sources while respecting sampling limitations.

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 use sampled flow telemetry such as supported sFlow reporting to an approved collector.

This implementation 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 implementation choice is to use sampled flow telemetry such as supported sFlow reporting to an approved collector.

This implementation 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 implementation choice is to use sampled flow telemetry such as supported sFlow reporting to an approved collector.

Question 625

After implementing the approved change — Use sampled flow telemetry such as supported sFlow reporting to an approved collector — for this scenario: An engineering group needs visibility into traffic mixes rather than only aggregate port utilization. Which observed result BEST verifies the outcome?

Congestion events align with queue depth even when five-minute rates look normal
The event record identifies a reproducible transition and candidate cause
The health report distinguishes the affected peer link from the keepalive channel
The collector identifies key traffic sources while respecting sampling limitations

Explanation

Correct Answer

The collector identifies key traffic sources while respecting sampling limitations. This is the observable acceptance evidence for the decision to use sampled flow telemetry such as supported sFlow reporting to an approved collector. It demonstrates the principle that sampled flow export reveals traffic composition, not exact per-packet accounting.

Incorrect Answers

This verification 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 verification choice is to the collector identifies key traffic sources while respecting sampling limitations.

This verification 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 verification choice is to the collector identifies key traffic sources while respecting sampling limitations.

This verification choice fits a different situation: A VSX core pair appears online but one peer reports an unhealthy ISL. It does not resolve the stated failure mode. For this case, the decisive verification choice is to the collector identifies key traffic sources while respecting sampling limitations.

Question 626

An HPE Aruba Networking design review examines: An engineering group needs visibility into traffic mixes rather than only aggregate port utilization. Which technical principle BEST explains the required approach?

Counter trends reveal problems that simple up/down signals miss
Sampled flow export reveals traffic composition, not exact per-packet accounting
Link-state telemetry needs alerting and correct ownership to be operationally useful
NAE allows monitored conditions to trigger actions when supported

Explanation

Correct Answer

Sampled flow export reveals traffic composition, not exact per-packet accounting. The case therefore calls for this specifically controlled action: use sampled flow telemetry such as supported sFlow reporting to an approved collector. The acceptance evidence is that the collector identifies key traffic sources while respecting sampling limitations.

Incorrect Answers

This principle 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 principle choice is to sampled flow export reveals traffic composition, not exact per-packet accounting.

This principle 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 principle choice is to sampled flow export reveals traffic composition, not exact per-packet accounting.

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 sampled flow export reveals traffic composition, not exact per-packet accounting.

Question 627

A risk review for the following wired-network case asks what should be avoided: An engineering group needs visibility into traffic mixes rather than only aggregate port utilization. Which assumption creates the GREATEST implementation risk?

Reporting only link state while ignoring port authentication failure events
Ignoring fan alarms because forwarding still works
Clearing OSPF neighbors periodically as a permanent monitoring fix
Treating a sampled flow report as an exhaustive legal record of every packet

Explanation

Correct Answer

Treating a sampled flow report as an exhaustive legal record of every packet. That shortcut fails because sampled flow export reveals traffic composition, not exact per-packet accounting. Instead, the appropriate approach is to use sampled flow telemetry such as supported sFlow reporting to an approved collector.

Incorrect Answers

This misconception 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 misconception choice is to treating a sampled flow report as an exhaustive legal record of every packet.

This misconception 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 misconception choice is to treating a sampled flow report as an exhaustive legal record of every packet.

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 treating a sampled flow report as an exhaustive legal record of every packet.

Question 628

Before changing switch configuration, an engineer investigates: An engineering group needs visibility into traffic mixes rather than only aggregate port utilization. Which FIRST check is most useful for isolating the cause?

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

Explanation

Correct Answer

Inspect exporter configuration, sample rates and collector ingestion. This first check isolates the relevant mechanism without an untested configuration change. It tests the rule that sampled flow export reveals traffic composition, not exact per-packet accounting.

Incorrect Answers

This diagnostic 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 diagnostic choice is to inspect exporter configuration, sample rates and collector ingestion.

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 exporter configuration, sample rates and collector ingestion.

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 exporter configuration, sample rates and collector ingestion.

Question 629

An implementation change is planned for: An engineering group needs visibility into traffic mixes rather than only aggregate port utilization. Which preventive control BEST reduces unnecessary outage and security risk?

Set alert severity and suppression according to service impact
Set alert granularity and preserve burst-focused diagnostics
Set baseline failure rates and monitor policy rollout cohorts
Document sampling bias and scope before using reports for sizing

Explanation

Correct Answer

Document sampling bias and scope before using reports for sizing. This safeguard is appropriate before the change to use sampled flow telemetry such as supported sFlow reporting to an approved collector; it reduces exposure to the mistake of treating a sampled flow report as an exhaustive legal record of every packet.

Incorrect Answers

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 document sampling bias and scope before using reports for sizing.

This prevention 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 prevention choice is to document sampling bias and scope before using reports for sizing.

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 document sampling bias and scope before using reports for sizing.

Question 630

A first repair attempt for this situation failed: An engineering group needs visibility into traffic mixes rather than only aggregate port utilization. The review found the mistaken approach of treating a sampled flow report as an exhaustive legal record of every packet. Which targeted recovery action BEST restores the intended design?

Replace or reconfigure the absent standby and validate failover
Adjust queue or capacity policy based on verified microburst measurements
Correct collector connectivity and sample parameters then rerun analysis
Tune the NAE condition and validate a controlled event sequence

Explanation

Correct Answer

Correct collector connectivity and sample parameters then rerun analysis. This addresses the observed risk rather than hiding its symptoms. Confirm the repair when the collector identifies key traffic sources while respecting sampling limitations.

Incorrect Answers

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 correct collector connectivity and sample parameters then rerun analysis.

This remediation 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 remediation choice is to correct collector connectivity and sample parameters then rerun analysis.

This remediation 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 remediation choice is to correct collector connectivity and sample parameters then rerun analysis.

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Pass Your HP HPE7-A08 Exam Easy!

Question 620

Explanation

Correct Answer

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Question 621

Explanation

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Question 622

Explanation

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Question 623

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Question 624

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Question 625

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Question 626

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Question 627

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Question 628

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Question 629

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Question 630

Explanation

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HPE Network Switching Professional (HPE7-A08) Practice Tests