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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 11

Question 100

At North Library, an IDF trunk carries voice VLAN 310 but its upstream interface mistakenly permits only data VLAN 110. Which TWO responses together provide a direct implementation and a continuing safeguard for the stated risk? Select TWO answers.

  1. Restrict sensitive management details on ports where topology advertisement is inappropriate.
  2. Record VLAN allowlists and avoid a global all-VLAN trunk as a shortcut.
  3. Validate compatible PoE class switch power budget and negotiated per-port allocation.
  4. Permit the required 802.1Q VLAN tags at both trunk ends and map the correct native VLAN.

Explanation

Correct Answers

B:

This is the continuing risk-control element for North Library. Record VLAN allowlists and avoid a global all-VLAN trunk as a shortcut prevents a future regression or unauthorized relaxation of the repair; it complements, rather than replaces, the implementation.

D:

This is the implementation element for the North Library case: 802.1Q tagging preserves logical broadcast-domain identity over shared Ethernet links. The specific action Permit the required 802.1Q VLAN tags at both trunk ends and map the correct native VLAN addresses the stated fault; the question also requires a persistent risk control.

Incorrect Answers

A:

This may be an ongoing precaution for LLDP topology and discovery: LLDP supplies adjacent-device identity without proving end-to-end routing or authentication. It does not resolve the 802.1Q VLAN tagging requirement in North Library and is not one of the two controls requested. The direct mechanism here is 802.1Q tagging preserves logical broadcast-domain identity over shared Ethernet links

C:

This may be a configuration step for PoE power negotiation: 802.3af at and bt power classes and the switch budget constrain device operation. It does not resolve the 802.1Q VLAN tagging requirement in North Library and is not one of the two controls requested. The direct mechanism here is 802.1Q tagging preserves logical broadcast-domain identity over shared Ethernet links

Question 101

At Athletics Complex, untagged frames cross an AP trunk into different VLANs at each end. Which observation most directly isolates the likely cause before any change?

  1. Inspect neighbor LLDP-MED TLVs and phone versus PC VLAN tags.
  2. Inspect untagged packet capture and both peers native VLAN configuration.
  3. Inspect frame-size drop counters PMTU behavior and VLAN/tunnel overhead.
  4. Inspect hit counters rule ordering and packet direction for a controlled flow.

Explanation

Correct Answer

B:

For Athletics Complex, the decisive mechanism is Native VLAN mismatch. A native VLAN defines forwarding for untagged frames on a VLAN-aware trunk. Inspect untagged packet capture and both peers native VLAN configuration is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

A:

This is relevant to Voice VLAN LLDP-MED, where lLDP-MED can advertise voice-network attributes while the switch enforces separate VLAN policies In the Athletics Complex case, Those observations could be normal while the stated fault persists. The specific mechanism is a native VLAN defines forwarding for untagged frames on a VLAN-aware trunk

C:

This is relevant to End-to-end MTU and frames, where a path's effective MTU is limited by the smallest supported segment and encapsulation overhead In the Athletics Complex case, Those observations could be normal while the stated fault persists. The specific mechanism is a native VLAN defines forwarding for untagged frames on a VLAN-aware trunk

D:

This is relevant to ACL direction and interface, where stateless ACL effectiveness depends on interface attachment direction and rule order In the Athletics Complex case, Those observations could be normal while the stated fault persists. The specific mechanism is a native VLAN defines forwarding for untagged frames on a VLAN-aware trunk

Question 102

At Arts Pavilion, an aggregation VSX pair loses its inter-switch link and one peer cannot synchronize state. What recurring protection should accompany this configuration?

  1. Maintain cluster software and resource headroom during rolling changes.
  2. Avoid disabling spanning-tree campus-wide to suppress log messages.
  3. Protect ISL paths and preserve independent keepalive failure domains.
  4. Test preemption and split-brain protection before changing gateway priority.

Explanation

Correct Answer

C:

For Arts Pavilion, the decisive mechanism is VSX inter-switch link. VSX peers synchronize selected state over an ISL while retaining independent control planes. Protect ISL paths and preserve independent keepalive failure domains is an enduring limitation on the operational risk, not simply a one-time passing test.

Incorrect Answers

A:

This is relevant to AOS 10 gateway cluster, where an AOS 10 gateway cluster improves tunneled WLAN availability but still needs correct forwarding and policy In the Arts Pavilion case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is vSX peers synchronize selected state over an ISL while retaining independent control planes

B:

This is relevant to Loop protection, where loop detection complements STP by containing accidental edge loops In the Arts Pavilion case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is vSX peers synchronize selected state over an ISL while retaining independent control planes

D:

This is relevant to VRRP redundant gateway, where VRRP supplies virtual first-hop gateway failover between eligible routing peers In the Arts Pavilion case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is vSX peers synchronize selected state over an ISL while retaining independent control planes

Question 103

At Research Hub, a new 10-Gb uplink uses an SR optic across a long single-mode campus backbone. Which observation most directly isolates the likely cause before any change?

  1. Inspect serial record device assignment onboarding logs DNS and outbound management connectivity.
  2. Check vendor support DOM optical power FCS errors and cable media details.
  3. Inspect configuration inheritance group membership and effective setting differences.
  4. Inspect route table source interface and ACLs in the actual management VRF.

Explanation

Correct Answer

B:

For Research Hub, the decisive mechanism is Fiber optic transceiver fit. Optical compatibility relies on physical medium optics reach and platform support. Check vendor support DOM optical power FCS errors and cable media details is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

A:

This is relevant to Central device onboarding, where cloud inventory association and device management connectivity are separate onboarding requirements In the Research Hub case, Those observations could be normal while the stated fault persists. The specific mechanism is optical compatibility relies on physical medium optics reach and platform support

C:

This is relevant to Central group assignment, where central groups govern configuration inheritance while sites mainly aid location and operations In the Research Hub case, Those observations could be normal while the stated fault persists. The specific mechanism is optical compatibility relies on physical medium optics reach and platform support

D:

This is relevant to Management VRF reachability, where aOS-CX management VRF and default forwarding VRF may have separate reachability In the Research Hub case, Those observations could be normal while the stated fault persists. The specific mechanism is optical compatibility relies on physical medium optics reach and platform support

Question 104

At South Science Wing, a classroom full of small-packet clients sees high contention despite Wi-Fi 6 AP deployment. Which implementation directly addresses this campus fault without replacing the wrong component?

  1. Use an RF plan with reasonable channel reuse and channel width for expected density.
  2. Confirm supported OFDMA operation with compatible AP and client settings.
  3. Investigate noise/interference and target adequate SNR rather than raising AP power blindly.
  4. Perform an active site survey covering attenuation interference and realistic client density.

Explanation

Correct Answer

B:

For South Science Wing, the decisive mechanism is OFDMA efficiency. OFDMA divides channel resources among eligible simultaneous users. Confirm supported OFDMA operation with compatible AP and client settings establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

This is relevant to Co-channel contention, where co-channel APs share contention airtime even if their signals are individually strong In the South Science Wing case, Changing that neighboring feature does not implement the missing function. The specific mechanism is oFDMA divides channel resources among eligible simultaneous users

C:

This is relevant to RSSI and SNR differentiation, where sNR accounts for interference floor; RSSI alone does not predict useful wireless throughput In the South Science Wing case, Changing that neighboring feature does not implement the missing function. The specific mechanism is oFDMA divides channel resources among eligible simultaneous users

D:

This is relevant to RF predictive versus active survey, where predictive RF planning does not replace measured real-world attenuation and utilization In the South Science Wing case, Changing that neighboring feature does not implement the missing function. The specific mechanism is oFDMA divides channel resources among eligible simultaneous users

Question 105

At West Clinic, oSPF neighbors on a broadcast VLAN elect roles unexpectedly after one peer is set point-to-point. What targeted evidence should the network engineer collect first?

  1. Inspect active equal-cost routes flow hashing and actual per-link counters.
  2. Inspect IPv6 link-local neighbors OSPFv3 interface area and router ID.
  3. Inspect VRRP advertisements gateway owner and virtual MAC state.
  4. Inspect DBD neighbor events DR election and interface OSPF mode.

Explanation

Correct Answer

D:

For West Clinic, the decisive mechanism is OSPF network type. OSPF network type affects hello behavior and DR election on multiaccess segments. Inspect DBD neighbor events DR election and interface OSPF mode is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

A:

This is relevant to ECMP next-hop selection, where eCMP typically spreads flows over equal-cost next hops, not necessarily one flow packet by packet In the West Clinic case, Those observations could be normal while the stated fault persists. The specific mechanism is oSPF network type affects hello behavior and DR election on multiaccess segments

B:

This is relevant to IPv6 OSPFv3 adjacency, where oSPFv3 exchanges IPv6 routing information through a separately configured protocol process In the West Clinic case, Those observations could be normal while the stated fault persists. The specific mechanism is oSPF network type affects hello behavior and DR election on multiaccess segments

C:

This is relevant to First-hop gateway election, where VRRP abstracts the default gateway across eligible routing devices In the West Clinic case, Those observations could be normal while the stated fault persists. The specific mechanism is oSPF network type affects hello behavior and DR election on multiaccess segments

Question 106

At Main Data Center, a management-only deployment lacks a route from mgmt VRF to the monitoring collector. Which observation most directly isolates the likely cause before any change?

  1. Trace where client frames exit the AP versus enter the Aruba gateway datapath.
  2. Examine AP boot sequence neighbor LLDP uplink VLAN and address acquisition.
  3. Examine LACP actor partner keys synchronization and individual member states.
  4. Examine route table source interface and ACLs in the actual management VRF.

Explanation

Correct Answer

D:

For Main Data Center, the decisive mechanism is Management VRF reachability. AOS-CX management VRF and default forwarding VRF may have separate reachability. Inspect route table source interface and ACLs in the actual management VRF is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

A:

This is relevant to Bridge versus tunneled WLAN traffic, where bridge SSIDs forward locally; tunneled SSIDs use the gateway data path for policy In the Main Data Center case, Those observations could be normal while the stated fault persists. The specific mechanism is aOS-CX management VRF and default forwarding VRF may have separate reachability

B:

This is relevant to AP uplink physical mapping, where aP service onboarding depends on both physical power and the upstream management network In the Main Data Center case, Those observations could be normal while the stated fault persists. The specific mechanism is aOS-CX management VRF and default forwarding VRF may have separate reachability

C:

This is relevant to LACP uplink provisioning, where lACP forms one logical bundle only when peers agree on aggregation parameters In the Main Data Center case, Those observations could be normal while the stated fault persists. The specific mechanism is aOS-CX management VRF and default forwarding VRF may have separate reachability

Question 107

At Bayside Campus, the policy team cannot trace which staff device used a port during an incident. Which TWO responses together provide a direct implementation and a continuing safeguard for the stated risk? Select TWO answers.

  1. Enable supported 802.1X authenticator and approved ClearPass RADIUS profiles on the switchport.
  2. Enable appropriate RADIUS start/interim/stop accounting to the approved server.
  3. Do not broadly fail-open protected ports on temporary RADIUS loss.
  4. Protect accounting data and synchronize clock sources for forensics.

Explanation

Correct Answers

B:

This is the implementation element for the Bayside Campus case: AAA accounting tracks session use separately from authentication and authorization. The specific action Enable appropriate RADIUS start/interim/stop accounting to the approved server addresses the stated fault; the question also requires a persistent risk control.

D:

This is the continuing risk-control element for Bayside Campus. Protect accounting data and synchronize clock sources for forensics prevents a future regression or unauthorized relaxation of the repair; it complements, rather than replaces, the implementation.

Incorrect Answers

A:

This may be a configuration step for Wired 802.1X port access: 802.1X authorizes port traffic through EAPOL and the authentication server decision. It does not resolve the RADIUS accounting for audit requirement in Bayside Campus and is not one of the two controls requested. The direct mechanism here is aAA accounting tracks session use separately from authentication and authorization

C:

This may be an ongoing precaution for RADIUS authorization timeout: Authentication server reachability and retry order influence network-admission decisions. It does not resolve the RADIUS accounting for audit requirement in Bayside Campus and is not one of the two controls requested. The direct mechanism here is aAA accounting tracks session use separately from authentication and authorization

Question 108

At Athletics Complex, high-value server VLAN traffic crosses a slow closet because root placement changed. Which observation most directly isolates the likely cause before any change?

  1. Examine neighbor LLDP-MED TLVs and phone versus PC VLAN tags.
  2. Examine hit counters rule ordering and packet direction for a controlled flow.
  3. Examine the elected root and root-port path cost before changing cabling.
  4. Examine frame-size drop counters PMTU behavior and VLAN/tunnel overhead.

Explanation

Correct Answer

C:

For Athletics Complex, the decisive mechanism is STP root optimization. Spanning Tree selects the root by bridge ID and derives loop-free port roles. Inspect the elected root and root-port path cost before changing cabling is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

A:

This is relevant to Voice VLAN LLDP-MED, where lLDP-MED can advertise voice-network attributes while the switch enforces separate VLAN policies In the Athletics Complex case, Those observations could be normal while the stated fault persists. The specific mechanism is spanning Tree selects the root by bridge ID and derives loop-free port roles

B:

This is relevant to ACL direction and interface, where stateless ACL effectiveness depends on interface attachment direction and rule order In the Athletics Complex case, Those observations could be normal while the stated fault persists. The specific mechanism is spanning Tree selects the root by bridge ID and derives loop-free port roles

D:

This is relevant to End-to-end MTU and frames, where a path's effective MTU is limited by the smallest supported segment and encapsulation overhead In the Athletics Complex case, Those observations could be normal while the stated fault persists. The specific mechanism is spanning Tree selects the root by bridge ID and derives loop-free port roles

Question 109

At Lakeside Classroom, slow legacy devices occupy a disproportionate share of WLAN airtime. Which AOS-CX or Aruba networking design choice resolves this specific dependency?

  1. Classify trusted voice and remark untrusted DSCP at the correct campus boundary.
  2. Apply suitable airtime fairness based on business-critical legacy endpoint needs.
  3. Map appropriate application classes to supported WMM AC_VO/AC_VI and wired QoS policy.
  4. Use supported egress queue scheduling with bounded high-priority service treatment.

Explanation

Correct Answer

B:

For Lakeside Classroom, the decisive mechanism is Airtime fairness QoS. Wireless performance must account for airtime occupancy as a shared resource. Apply suitable airtime fairness based on business-critical legacy endpoint needs establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

This is relevant to DSCP trust boundary, where qoS trust boundaries determine which received packet markings affect forwarding priority In the Lakeside Classroom case, Changing that neighboring feature does not implement the missing function. The specific mechanism is wireless performance must account for airtime occupancy as a shared resource

C:

This is relevant to WMM access categories, where 802.11e WMM prioritizes wireless contention via different access categories In the Lakeside Classroom case, Changing that neighboring feature does not implement the missing function. The specific mechanism is wireless performance must account for airtime occupancy as a shared resource

D:

This is relevant to Strict priority queue use, where priority scheduling affects service latency but requires careful queue sizing In the Lakeside Classroom case, Changing that neighboring feature does not implement the missing function. The specific mechanism is wireless performance must account for airtime occupancy as a shared resource

Question 110

At Learning Commons, a third-party tenant switch advertises a superior STP root on a downstream handoff. Which diagnostic comparison would distinguish this fault from nearby mechanisms?

  1. Inspect root-inconsistent state and received superior BPDUs.
  2. Inspect neighbor LLDP-MED TLVs and phone versus PC VLAN tags.
  3. Inspect hit counters rule ordering and packet direction for a controlled flow.
  4. Inspect frame-size drop counters PMTU behavior and VLAN/tunnel overhead.

Explanation

Correct Answer

A:

For Learning Commons, the decisive mechanism is Root guard downstream. Root guard prevents a protected port from accepting a superior root advertisement. Inspect root-inconsistent state and received superior BPDUs is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

B:

This is relevant to Voice VLAN LLDP-MED, where lLDP-MED can advertise voice-network attributes while the switch enforces separate VLAN policies In the Learning Commons case, Those observations could be normal while the stated fault persists. The specific mechanism is root guard prevents a protected port from accepting a superior root advertisement

C:

This is relevant to ACL direction and interface, where stateless ACL effectiveness depends on interface attachment direction and rule order In the Learning Commons case, Those observations could be normal while the stated fault persists. The specific mechanism is root guard prevents a protected port from accepting a superior root advertisement

D:

This is relevant to End-to-end MTU and frames, where a path's effective MTU is limited by the smallest supported segment and encapsulation overhead In the Learning Commons case, Those observations could be normal while the stated fault persists. The specific mechanism is root guard prevents a protected port from accepting a superior root advertisement