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HP HPE7-A01 Bundle

Exam Code: HPE7-A01

Exam Name HPE Network Campus Access Professional

Certification Provider: HP

Corresponding Certification: HPE Aruba Networking Certified Professional - Campus Access

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HP HPE7-A01 Practice Test 120

Question 1190

A wireless voice call has low RSSI but the WLAN team tries to repair it solely with DSCP priority rules. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Assign traffic classes and appropriate queue scheduling so delay-sensitive voice receives protected service.
  2. Correct the RF coverage and SNR deficit before expecting QoS to repair missing radio frames.
  3. Test QoS under congestion rather than idle conditions alone.
  4. Set RF minimum performance criteria in voice deployment acceptance.

Explanation

Correct Answers

B:

This is the corrective intervention because traffic priority cannot compensate for unusable wireless link quality. Confirm its effect using the specified operational recovery check.

D:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

A:

This action fits a different incident: a campus uplink gives backup traffic equal scheduling precedence to interactive voice and latency rises during backups. It is not the targeted repair for this case.

C:

That safeguard would suit a different situation, such as when a campus uplink gives backup traffic equal scheduling precedence to interactive voice and latency rises during backups. It does not specifically prevent this problem.

Question 1191

A wireless network has high airtime consumption from low legacy data rates despite moderate user counts. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Raise minimum/basic rates only after validating edge coverage and legacy device support.
  2. Preserve or correctly remark authorized real-time media classifications through the campus path.
  3. Test slow legacy devices before changing radio minimum rates.
  4. Trend queue drops and burst metrics rather than average throughput alone.

Explanation

Correct Answers

A:

This is the corrective intervention because low-rate transmissions consume disproportionate channel airtime for the same payload. Confirm its effect using the specified operational recovery check.

C:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

B:

This action fits a different incident: a video conferencing application uses DSCP AF41, but a policy rewrites all traffic to best effort at the distribution layer. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when a data center uplink shows burst loss while average utilization stays below 40 percent. It does not specifically prevent this problem.

Question 1192

A data center uplink shows burst loss while average utilization stays below 40 percent. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Examine microbursts and egress buffering at fine time resolution rather than relying on minute-average bandwidth.
  2. Adjust minimum-rate policy based on actual edge-client capabilities and validated coverage.
  3. Test QoS behavior under full offered load, including lower-priority service.
  4. Trend queue drops and burst metrics rather than average throughput alone.

Explanation

Correct Answers

A:

This is the corrective intervention because short high-rate bursts can overflow queues despite acceptable long-term averages. Confirm its effect using the specified operational recovery check.

D:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

B:

This action fits a different incident: a WLAN operator sees clients reconnect every few minutes after aggressive radio minimum-rate changes, despite good aggregate throughput. It is not the targeted repair for this case.

C:

That safeguard would suit a different situation, such as when a campus link carries video and backups, and strict high-priority queuing lets video consume bandwidth without a configured limit. It does not specifically prevent this problem.

Question 1193

An engineer increases every WLAN AP's transmit power to improve coverage, but client roaming deteriorates with larger overlapping cells. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Use measured cell-size optimization and appropriate AP density instead of indiscriminately increasing power.
  2. Correct the RF coverage and SNR deficit before expecting QoS to repair missing radio frames.
  3. Size AP uplinks against realistic aggregate usage rather than radio-rate labels.
  4. Run client walk tests after RF power policy changes.

Explanation

Correct Answers

A:

This is the corrective intervention because oversized cells and client/AP power asymmetry can reduce airtime and roaming efficiency. Confirm its effect using the specified operational recovery check.

D:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

B:

This action fits a different incident: a wireless voice call has low RSSI but the WLAN team tries to repair it solely with DSCP priority rules. It is not the targeted repair for this case.

C:

That safeguard would suit a different situation, such as when a large class sends video traffic through a 1 Gbps uplink attached to multiple multigigabit APs and the uplink becomes saturated. It does not specifically prevent this problem.

Question 1194

A campus needs voice admission under congestion but the existing profile guarantees QoS to more calls than available airtime. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Measure latency distribution and QoS queue contention, then control the interfering transfer class.
  2. Apply a supported admission or capacity policy matched to RF and queue resources.
  3. Track concurrent voice capacity under representative user density.
  4. Trend queue drops and burst metrics rather than average throughput alone.

Explanation

Correct Answers

B:

This is the corrective intervention because priority tagging cannot create unlimited radio airtime or switching buffer capacity. Confirm its effect using the specified operational recovery check.

C:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

A:

This action fits a different incident: an application experiences 20 ms average latency but bursts to 250 ms during each storage transfer, causing user complaints. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when a data center uplink shows burst loss while average utilization stays below 40 percent. It does not specifically prevent this problem.

Question 1195

A large class sends video traffic through a 1 Gbps uplink attached to multiple multigigabit APs and the uplink becomes saturated. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Increase capacity or distribute AP traffic according to measured aggregate demand.
  2. Size AP uplinks against realistic aggregate usage rather than radio-rate labels.
  3. Adjust minimum-rate policy based on actual edge-client capabilities and validated coverage.
  4. Base growth plans on busy-hour traffic and application metrics.

Explanation

Correct Answers

A:

This is the corrective intervention because the uplink throughput ceiling is smaller than the aggregate offered wireless load. Confirm its effect using the specified operational recovery check.

B:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

C:

This action fits a different incident: a WLAN operator sees clients reconnect every few minutes after aggressive radio minimum-rate changes, despite good aggregate throughput. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when a high-density WLAN has a large number of associated idle devices; an operator assumes association count alone proves capacity overload. It does not specifically prevent this problem.

Question 1196

A switch receives ingress traffic marked with elevated priority from untrusted student PCs, starving approved voice traffic. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Remark or police student traffic at the untrusted edge and trust only authorized classifications.
  2. Enforce QoS trust boundaries and classification tests on edge ports.
  3. Apply a supported admission or capacity policy matched to RF and queue resources.
  4. Set RF minimum performance criteria in voice deployment acceptance.

Explanation

Correct Answers

A:

This is the corrective intervention because uncontrolled client markings let low-trust devices consume protected QoS queues. Confirm its effect using the specified operational recovery check.

B:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

C:

This action fits a different incident: a campus needs voice admission under congestion but the existing profile guarantees QoS to more calls than available airtime. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when a wireless voice call has low RSSI but the WLAN team tries to repair it solely with DSCP priority rules. It does not specifically prevent this problem.

Question 1197

A high-density WLAN has a large number of associated idle devices; an operator assumes association count alone proves capacity overload. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Correlate channel airtime, retry rate, traffic mix and per-client throughput before scaling APs.
  2. Increase capacity or distribute AP traffic according to measured aggregate demand.
  3. Enforce QoS trust boundaries and classification tests on edge ports.
  4. Base growth plans on busy-hour traffic and application metrics.

Explanation

Correct Answers

A:

This is the corrective intervention because idle associations consume a different resource profile than active airtime-intensive clients. Confirm its effect using the specified operational recovery check.

D:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

B:

This action fits a different incident: a large class sends video traffic through a 1 Gbps uplink attached to multiple multigigabit APs and the uplink becomes saturated. It is not the targeted repair for this case.

C:

That safeguard would suit a different situation, such as when a switch receives ingress traffic marked with elevated priority from untrusted student PCs, starving approved voice traffic. It does not specifically prevent this problem.

Question 1198

A campus link carries video and backups, and strict high-priority queuing lets video consume bandwidth without a configured limit. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Use measured cell-size optimization and appropriate AP density instead of indiscriminately increasing power.
  2. Use a documented combination of classification, scheduler weights and policing where required to protect other service classes.
  3. Test QoS behavior under full offered load, including lower-priority service.
  4. Test slow legacy devices before changing radio minimum rates.

Explanation

Correct Answers

B:

This is the corrective intervention because unlimited strict priority may starve lower-priority but necessary traffic under sustained load. Confirm its effect using the specified operational recovery check.

C:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

A:

This action fits a different incident: an engineer increases every WLAN AP's transmit power to improve coverage, but client roaming deteriorates with larger overlapping cells. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when a wireless network has high airtime consumption from low legacy data rates despite moderate user counts. It does not specifically prevent this problem.

Question 1199

A WLAN operator sees clients reconnect every few minutes after aggressive radio minimum-rate changes, despite good aggregate throughput. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Adjust minimum-rate policy based on actual edge-client capabilities and validated coverage.
  2. Measure latency distribution and QoS queue contention, then control the interfering transfer class.
  3. Review every QoS remarking boundary after routing or security upgrades.
  4. Use site-specific client capability tests before radio rate changes.

Explanation

Correct Answers

A:

This is the corrective intervention because a raised mandatory/basic rate can prevent distant or legacy clients from maintaining reliable associations. Confirm its effect using the specified operational recovery check.

D:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

B:

This action fits a different incident: an application experiences 20 ms average latency but bursts to 250 ms during each storage transfer, causing user complaints. It is not the targeted repair for this case.

C:

That safeguard would suit a different situation, such as when a video conferencing application uses DSCP AF41, but a policy rewrites all traffic to best effort at the distribution layer. It does not specifically prevent this problem.

Question 1200

An application experiences 20 ms average latency but bursts to 250 ms during each storage transfer, causing user complaints. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Remark or police student traffic at the untrusted edge and trust only authorized classifications.
  2. Measure latency distribution and QoS queue contention, then control the interfering transfer class.
  3. Report p95/p99 latency alongside mean in service-level monitoring.
  4. Base growth plans on busy-hour traffic and application metrics.

Explanation

Correct Answers

B:

This is the corrective intervention because an acceptable mean obscures severe queueing spikes correlated with bulk traffic. Confirm its effect using the specified operational recovery check.

C:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

A:

This action fits a different incident: a switch receives ingress traffic marked with elevated priority from untrusted student PCs, starving approved voice traffic. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when a high-density WLAN has a large number of associated idle devices; an operator assumes association count alone proves capacity overload. It does not specifically prevent this problem.