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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 101

Question 1000

An application experiences 20 ms average latency but bursts to 250 ms during each storage transfer, causing user complaints. Which first diagnostic check is most useful before changing the network?

  1. Inspect per-client negotiated rates and airtime distribution.
  2. Correlate latency spikes with interface queue depth and storage-transfer counters.
  3. Measure client SNR, retry rate and loss at the call location.
  4. Inspect wired uplink utilization and discards during class peak load.

Explanation

Correct Answer

B:

This check collects evidence at the layer implicated by the symptom: an acceptable mean obscures severe queueing spikes correlated with bulk traffic. Examine the evidence before choosing the corrective change.

Incorrect Answers

A:

This would be a reasonable check when a wireless network has high airtime consumption from low legacy data rates despite moderate user counts, but is less direct for the issue at hand: an acceptable mean obscures severe queueing spikes correlated with bulk traffic.

C:

This would be a reasonable check when a wireless voice call has low RSSI but the WLAN team tries to repair it solely with DSCP priority rules, but is less direct for the issue at hand: an acceptable mean obscures severe queueing spikes correlated with bulk traffic.

D:

This would be a reasonable check when a large class sends video traffic through a 1 Gbps uplink attached to multiple multigigabit APs and the uplink becomes saturated, but is less direct for the issue at hand: an acceptable mean obscures severe queueing spikes correlated with bulk traffic.

Question 1001

A troubleshooting report calls all wireless frames Ethernet frames and misidentifies the association step as a VLAN function. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Describe 802.1X as port-based access control and 802.1Q as VLAN tagging, then configure each for its distinct function.
  2. Add IPv4 and IPv6 checks to the same site acceptance test.
  3. Separate 802.11 management and data frames from 802.3 Ethernet switching and 802.1Q VLAN tagging in the design notes.
  4. Keep a layered protocol map in the campus troubleshooting runbook.

Explanation

Correct Answers

C:

This is the corrective intervention because the engineer conflated the radio access protocol with wired frame forwarding and VLAN membership. 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 guest WLAN's 802.1X design is treated as interchangeable with 802.1Q tagging at the distribution switch. It is not the targeted repair for this case.

B:

That safeguard would suit a different situation, such as when IPv6 endpoints receive router advertisements but cannot contact their application through a dual-stack campus. It does not specifically prevent this problem.

Question 1002

A guest WLAN's 802.1X design is treated as interchangeable with 802.1Q tagging at the distribution switch. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Create a routed SVI or approved Layer 3 gateway path with the required routes and access policy.
  2. Describe 802.1X as port-based access control and 802.1Q as VLAN tagging, then configure each for its distinct function.
  3. Review both AAA policy and VLAN transport separately at each rollout.
  4. Keep transport and application success criteria separate in troubleshooting reports.

Explanation

Correct Answers

B:

This is the corrective intervention because authentication and VLAN encapsulation were confused despite solving different problems. 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 adds a second VLAN for a department but expects its traffic to reach a second subnet with only Layer 2 tagging. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when a network trace shows a client completing TCP handshakes but the application never returns its expected data. It does not specifically prevent this problem.

Question 1003

An operator assumes a switch will discover a destination IP address from ARP when the target is on another subnet. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Separate 802.11 management and data frames from 802.3 Ethernet switching and 802.1Q VLAN tagging in the design notes.
  2. Check the route to the remote subnet and use ARP or neighbor discovery for the local next-hop rather than the remote endpoint.
  3. Document gateway and subnet boundaries in network diagrams.
  4. Add IPv4 and IPv6 checks to the same site acceptance test.

Explanation

Correct Answers

B:

This is the corrective intervention because ARP resolves next-hop link-layer addresses on the local broadcast domain, not a route across subnets. 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 troubleshooting report calls all wireless frames Ethernet frames and misidentifies the association step as a VLAN function. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when IPv6 endpoints receive router advertisements but cannot contact their application through a dual-stack campus. It does not specifically prevent this problem.

Question 1004

An application team attributes intermittent voice calls to TCP retransmission even though the audio stream uses UDP. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Describe 802.1X as port-based access control and 802.1Q as VLAN tagging, then configure each for its distinct function.
  2. Verify an explicit gateway and ACL plan when introducing each new VLAN.
  3. Analyze UDP loss, latency, jitter and media quality rather than assuming TCP reliability behavior.
  4. Include transport protocol type in every application performance baseline.

Explanation

Correct Answers

C:

This is the corrective intervention because UDP media does not obtain automatic TCP retransmission and in-order recovery from the transport. 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 guest WLAN's 802.1X design is treated as interchangeable with 802.1Q tagging at the distribution switch. It is not the targeted repair for this case.

B:

That safeguard would suit a different situation, such as when an engineer adds a second VLAN for a department but expects its traffic to reach a second subnet with only Layer 2 tagging. It does not specifically prevent this problem.

Question 1005

IPv6 endpoints receive router advertisements but cannot contact their application through a dual-stack campus. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Analyze UDP loss, latency, jitter and media quality rather than assuming TCP reliability behavior.
  2. Check IPv6 addressing, default-route advertisement, policy and neighbor discovery independently of the working IPv4 path.
  3. Keep transport and application success criteria separate in troubleshooting reports.
  4. Add IPv4 and IPv6 checks to the same site acceptance test.

Explanation

Correct Answers

B:

This is the corrective intervention because iPv4 success does not demonstrate correct IPv6 routing or security policy. 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: an application team attributes intermittent voice calls to TCP retransmission even though the audio stream uses UDP. It is not the targeted repair for this case.

C:

That safeguard would suit a different situation, such as when a network trace shows a client completing TCP handshakes but the application never returns its expected data. It does not specifically prevent this problem.

Question 1006

An Ethernet uplink has valid optical light but a negotiated speed that differs from the approved switchport design. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Check application-layer request, server response and policy handling beyond the established TCP connection.
  2. Align speed and supported transceiver settings on both ends, then verify duplex and link counters.
  3. Check optics, cabling and port capabilities during change review.
  4. Verify an explicit gateway and ACL plan when introducing each new VLAN.

Explanation

Correct Answers

B:

This is the corrective intervention because a physical link may come up with a negotiated mode that does not satisfy the performance design. 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 network trace shows a client completing TCP handshakes but the application never returns its expected data. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when an engineer adds a second VLAN for a department but expects its traffic to reach a second subnet with only Layer 2 tagging. It does not specifically prevent this problem.

Question 1007

An engineer adds a second VLAN for a department but expects its traffic to reach a second subnet with only Layer 2 tagging. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Describe 802.1X as port-based access control and 802.1Q as VLAN tagging, then configure each for its distinct function.
  2. Create a routed SVI or approved Layer 3 gateway path with the required routes and access policy.
  3. Verify an explicit gateway and ACL plan when introducing each new VLAN.
  4. Include transport protocol type in every application performance baseline.

Explanation

Correct Answers

B:

This is the corrective intervention because 802.1Q segregates broadcast domains but does not itself route packets between subnets. 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 guest WLAN's 802.1X design is treated as interchangeable with 802.1Q tagging at the distribution switch. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when an application team attributes intermittent voice calls to TCP retransmission even though the audio stream uses UDP. It does not specifically prevent this problem.

Question 1008

A network trace shows a client completing TCP handshakes but the application never returns its expected data. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Check application-layer request, server response and policy handling beyond the established TCP connection.
  2. Analyze UDP loss, latency, jitter and media quality rather than assuming TCP reliability behavior.
  3. Keep transport and application success criteria separate in troubleshooting reports.
  4. Check optics, cabling and port capabilities during change review.

Explanation

Correct Answers

A:

This is the corrective intervention because transport reachability establishes a session but does not prove application authorization or successful processing. 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: an application team attributes intermittent voice calls to TCP retransmission even though the audio stream uses UDP. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when an Ethernet uplink has valid optical light but a negotiated speed that differs from the approved switchport design. It does not specifically prevent this problem.

Question 1009

A new branch switch powers on but remains absent from Central after its management VLAN is provisioned. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Align the LACP aggregation parameters and intended member grouping at both ends.
  2. Audit trunk allowed lists against WLAN-to-VLAN mappings during site rollout.
  3. Restore DNS, gateway and outbound management reachability in the assigned management VRF or VLAN before retrying onboarding.
  4. Keep management connectivity prerequisites with zero-touch deployment templates.

Explanation

Correct Answers

C:

This is the corrective intervention because the management plane cannot reach cloud onboarding services over its selected network path. 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: an LACP bundle has four member links, but only two forward because the partner uses a different aggregation key. It is not the targeted repair for this case.

B:

That safeguard would suit a different situation, such as when a floor switch connects APs but the uplink passes only the native VLAN while employee and voice SSIDs use tagged VLANs. It does not specifically prevent this problem.

Question 1010

A floor switch connects APs but the uplink passes only the native VLAN while employee and voice SSIDs use tagged VLANs. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Provide the correct NTP servers and reachability path before retrying certificate validation.
  2. Permit the required SSID VLAN IDs on the trunk and match native VLAN expectations on each side.
  3. Audit trunk allowed lists against WLAN-to-VLAN mappings during site rollout.
  4. Keep shutdown state and authorized port roles in access templates.

Explanation

Correct Answers

B:

This is the corrective intervention because the trunk's allowed-VLAN list excludes the tagged client networks. 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 AP has a healthy uplink but reports that clock synchronization cannot reach a time source, breaking certificate-based provisioning. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when an endpoint sees physical carrier on an Aruba CX port but the administrator configured the port administratively disabled. It does not specifically prevent this problem.