HP HPE7-A08 Practice Test 7

Question 60

A risk review for the following wired-network case asks what should be avoided: A company is expanding its wired campus across three buildings with different uplink distances. Which assumption creates the GREATEST implementation risk?

Reusing overlapping VLAN and subnet assignments without a translation plan
Planning uplinks without validating optical reach and connector type
Adding uncoordinated parallel links to the same broadcast domain
Rolling out 802.1X to every edge port without a recovery allowance for special devices

Explanation

Correct Answer

Planning uplinks without validating optical reach and connector type. That shortcut fails because multisite deployments need a verified topology and dependency inventory. Instead, the appropriate approach is to create a site-by-site implementation plan mapping topology, interfaces, optics and dependencies.

Incorrect Answers

This misconception choice fits a different situation: An enterprise consolidates multiple department VLANs onto routed distribution switches. It does not resolve the stated failure mode. For this case, the decisive misconception choice is to planning uplinks without validating optical reach and connector type.

This misconception choice fits a different situation: A large office requires two redundant aggregation paths to protect against a single link failure. It does not resolve the stated failure mode. For this case, the decisive misconception choice is to planning uplinks without validating optical reach and connector type.

This misconception choice fits a different situation: An enterprise needs secure onboarding for employee and guest wired ports. It does not resolve the stated failure mode. For this case, the decisive misconception choice is to planning uplinks without validating optical reach and connector type.

Question 61

Before changing switch configuration, an engineer investigates: A company is expanding its wired campus across three buildings with different uplink distances. Which FIRST check is most useful for isolating the cause?

Review ISL capacity, keepalive routing and peer synchronization
Collect endpoint PoE classes and power-supply ratings
Examine current topology, critical applications and backup configuration status
Inspect the fiber plant, distance estimates, switch optics support and patch schedule

Explanation

Correct Answer

Inspect the fiber plant, distance estimates, switch optics support and patch schedule. This first check isolates the relevant mechanism without an untested configuration change. It tests the rule that multisite deployments need a verified topology and dependency inventory.

Incorrect Answers

This diagnostic choice fits a different situation: A campus uses a VSX core pair plus downstream dual-homed distribution links. It does not resolve the stated failure mode. For this case, the decisive diagnostic choice is to inspect the fiber plant, distance estimates, switch optics support and patch schedule.

This diagnostic choice fits a different situation: A new access closet contains devices requiring both data and power over Ethernet. It does not resolve the stated failure mode. For this case, the decisive diagnostic choice is to inspect the fiber plant, distance estimates, switch optics support and patch schedule.

This diagnostic choice fits a different situation: A bank will migrate a live campus network over a short maintenance window. It does not resolve the stated failure mode. For this case, the decisive diagnostic choice is to inspect the fiber plant, distance estimates, switch optics support and patch schedule.

Question 62

An implementation change is planned for: A company is expanding its wired campus across three buildings with different uplink distances. Which preventive control BEST reduces unnecessary outage and security risk?

Pilot authentication and emergency access controls per endpoint type
Include optical test and rollback checkpoints in the rollout plan
Capture backups and dry-run the migration on representative links
Document trust boundaries and queue budgets before rollout

Explanation

Correct Answer

Include optical test and rollback checkpoints in the rollout plan. This safeguard is appropriate before the change to create a site-by-site implementation plan mapping topology, interfaces, optics and dependencies; it reduces exposure to the mistake of planning uplinks without validating optical reach and connector type.

Incorrect Answers

This prevention choice fits a different situation: An enterprise needs secure onboarding for employee and guest wired ports. It does not resolve the stated failure mode. For this case, the decisive prevention choice is to include optical test and rollback checkpoints in the rollout plan.

This prevention choice fits a different situation: A bank will migrate a live campus network over a short maintenance window. It does not resolve the stated failure mode. For this case, the decisive prevention choice is to include optical test and rollback checkpoints in the rollout plan.

This prevention choice fits a different situation: An operations center must guarantee voice traffic quality during campus congestion. It does not resolve the stated failure mode. For this case, the decisive prevention choice is to include optical test and rollback checkpoints in the rollout plan.

Question 63

A first repair attempt for this situation failed: A company is expanding its wired campus across three buildings with different uplink distances. The review found the mistaken approach of planning uplinks without validating optical reach and connector type. Which targeted recovery action BEST restores the intended design?

Replace mismatched optics and revise the circuit schedule before cutover
Stop the change on a failed gate and restore the approved baseline
Remove the unintended loop and implement the supported redundancy arrangement
Correct peer reachability and consistency before enabling affected VSX LAGs

Explanation

Correct Answer

Replace mismatched optics and revise the circuit schedule before cutover. This addresses the observed risk rather than hiding its symptoms. Confirm the repair when the project plan maps every building path to a supported transceiver and connection.

Incorrect Answers

This remediation choice fits a different situation: A distributed rollout must be audited against security and change requirements. It does not resolve the stated failure mode. For this case, the decisive remediation choice is to replace mismatched optics and revise the circuit schedule before cutover.

This remediation choice fits a different situation: A large office requires two redundant aggregation paths to protect against a single link failure. It does not resolve the stated failure mode. For this case, the decisive remediation choice is to replace mismatched optics and revise the circuit schedule before cutover.

This remediation choice fits a different situation: A campus uses a VSX core pair plus downstream dual-homed distribution links. It does not resolve the stated failure mode. For this case, the decisive remediation choice is to replace mismatched optics and revise the circuit schedule before cutover.

Question 64

An HPE Aruba Networking engineer faces this wired-network scenario: An enterprise consolidates multiple department VLANs onto routed distribution switches. Which implementation action BEST addresses the requirement?

Define VSX roles, ISL, keepalive and VSX LAG implementation sequence
Create a VLAN, subnet, gateway and routing handoff matrix before configuration
Document identity source, port roles, authentication exceptions and enforcement requirements
Write a formal change plan with owners, prechecks, verification points and escalation triggers

Explanation

Correct Answer

Network addressing and segmentation must be unambiguous across sites. The targeted implementation is to create a VLAN, subnet, gateway and routing handoff matrix before configuration. The deployment succeeds when test devices reach approved subnets through the intended gateways.

Incorrect Answers

This implementation choice fits a different situation: A campus uses a VSX core pair plus downstream dual-homed distribution links. It does not resolve the stated failure mode. For this case, the decisive implementation choice is to create a VLAN, subnet, gateway and routing handoff matrix before configuration.

This implementation choice fits a different situation: An enterprise needs secure onboarding for employee and guest wired ports. It does not resolve the stated failure mode. For this case, the decisive implementation choice is to create a VLAN, subnet, gateway and routing handoff matrix before configuration.

This implementation choice fits a different situation: A distributed rollout must be audited against security and change requirements. It does not resolve the stated failure mode. For this case, the decisive implementation choice is to create a VLAN, subnet, gateway and routing handoff matrix before configuration.

Question 65

After implementing the approved change — Create a VLAN, subnet, gateway and routing handoff matrix before configuration — for this scenario: An enterprise consolidates multiple department VLANs onto routed distribution switches. Which observed result BEST verifies the outcome?

Employee and guest devices receive only their approved segment and policy
The project plan maps every building path to a supported transceiver and connection
Each phase has acceptance results and a clear return-to-service decision
Test devices reach approved subnets through the intended gateways

Explanation

Correct Answer

Test devices reach approved subnets through the intended gateways. This is the observable acceptance evidence for the decision to create a VLAN, subnet, gateway and routing handoff matrix before configuration. It demonstrates the principle that network addressing and segmentation must be unambiguous across sites.

Incorrect Answers

This verification choice fits a different situation: An enterprise needs secure onboarding for employee and guest wired ports. It does not resolve the stated failure mode. For this case, the decisive verification choice is to test devices reach approved subnets through the intended gateways.

This verification choice fits a different situation: A company is expanding its wired campus across three buildings with different uplink distances. It does not resolve the stated failure mode. For this case, the decisive verification choice is to test devices reach approved subnets through the intended gateways.

This verification choice fits a different situation: A bank will migrate a live campus network over a short maintenance window. It does not resolve the stated failure mode. For this case, the decisive verification choice is to test devices reach approved subnets through the intended gateways.

Question 66

An HPE Aruba Networking design review examines: An enterprise consolidates multiple department VLANs onto routed distribution switches. Which technical principle BEST explains the required approach?

VSX availability depends on independent peer communication and consistent LAG design
Network addressing and segmentation must be unambiguous across sites
Implementation success includes traceability and change control
Access security design should precede port-by-port authentication changes

Explanation

Correct Answer

Network addressing and segmentation must be unambiguous across sites. The case therefore calls for this specifically controlled action: create a VLAN, subnet, gateway and routing handoff matrix before configuration. The acceptance evidence is that test devices reach approved subnets through the intended gateways.

Incorrect Answers

This principle choice fits a different situation: A campus uses a VSX core pair plus downstream dual-homed distribution links. It does not resolve the stated failure mode. For this case, the decisive principle choice is to network addressing and segmentation must be unambiguous across sites.

This principle choice fits a different situation: A distributed rollout must be audited against security and change requirements. It does not resolve the stated failure mode. For this case, the decisive principle choice is to network addressing and segmentation must be unambiguous across sites.

This principle choice fits a different situation: An enterprise needs secure onboarding for employee and guest wired ports. It does not resolve the stated failure mode. For this case, the decisive principle choice is to network addressing and segmentation must be unambiguous across sites.

Question 67

A risk review for the following wired-network case asks what should be avoided: An enterprise consolidates multiple department VLANs onto routed distribution switches. Which assumption creates the GREATEST implementation risk?

Rolling out 802.1X to every edge port without a recovery allowance for special devices
Trusting all incoming markings from untrusted endpoints
Planning uplinks without validating optical reach and connector type
Reusing overlapping VLAN and subnet assignments without a translation plan

Explanation

Correct Answer

Reusing overlapping VLAN and subnet assignments without a translation plan. That shortcut fails because network addressing and segmentation must be unambiguous across sites. Instead, the appropriate approach is to create a VLAN, subnet, gateway and routing handoff matrix before configuration.

Incorrect Answers

This misconception choice fits a different situation: An enterprise needs secure onboarding for employee and guest wired ports. It does not resolve the stated failure mode. For this case, the decisive misconception choice is to reusing overlapping VLAN and subnet assignments without a translation plan.

This misconception choice fits a different situation: An operations center must guarantee voice traffic quality during campus congestion. It does not resolve the stated failure mode. For this case, the decisive misconception choice is to reusing overlapping VLAN and subnet assignments without a translation plan.

This misconception choice fits a different situation: A company is expanding its wired campus across three buildings with different uplink distances. It does not resolve the stated failure mode. For this case, the decisive misconception choice is to reusing overlapping VLAN and subnet assignments without a translation plan.

Question 68

Before changing switch configuration, an engineer investigates: An enterprise consolidates multiple department VLANs onto routed distribution switches. Which FIRST check is most useful for isolating the cause?

Verify supported stack ports, hardware compatibility and link speed
Audit VLAN IDs, IP masks, gateway addresses and routing boundaries
Review ISL capacity, keepalive routing and peer synchronization
Review security approvals, critical traffic matrix and configuration backups

Explanation

Correct Answer

Audit VLAN IDs, IP masks, gateway addresses and routing boundaries. This first check isolates the relevant mechanism without an untested configuration change. It tests the rule that network addressing and segmentation must be unambiguous across sites.

Incorrect Answers

This diagnostic choice fits a different situation: A campus will deploy one VSF stack across adjoining network closets. It does not resolve the stated failure mode. For this case, the decisive diagnostic choice is to audit VLAN IDs, IP masks, gateway addresses and routing boundaries.

This diagnostic choice fits a different situation: A campus uses a VSX core pair plus downstream dual-homed distribution links. It does not resolve the stated failure mode. For this case, the decisive diagnostic choice is to audit VLAN IDs, IP masks, gateway addresses and routing boundaries.

This diagnostic choice fits a different situation: A distributed rollout must be audited against security and change requirements. It does not resolve the stated failure mode. For this case, the decisive diagnostic choice is to audit VLAN IDs, IP masks, gateway addresses and routing boundaries.

Question 69

An implementation change is planned for: An enterprise consolidates multiple department VLANs onto routed distribution switches. Which preventive control BEST reduces unnecessary outage and security risk?

Pilot authentication and emergency access controls per endpoint type
Reserve a documented power safety margin and monitor budget
Include ISL failure and keepalive-loss test cases in the plan
Approve an authoritative IPAM worksheet before provisioning

Explanation

Correct Answer

Approve an authoritative IPAM worksheet before provisioning. This safeguard is appropriate before the change to create a VLAN, subnet, gateway and routing handoff matrix before configuration; it reduces exposure to the mistake of reusing overlapping VLAN and subnet assignments without a translation plan.

Incorrect Answers

This prevention choice fits a different situation: An enterprise needs secure onboarding for employee and guest wired ports. It does not resolve the stated failure mode. For this case, the decisive prevention choice is to approve an authoritative IPAM worksheet before provisioning.

This prevention choice fits a different situation: A new access closet contains devices requiring both data and power over Ethernet. It does not resolve the stated failure mode. For this case, the decisive prevention choice is to approve an authoritative IPAM worksheet before provisioning.

This prevention choice fits a different situation: A campus uses a VSX core pair plus downstream dual-homed distribution links. It does not resolve the stated failure mode. For this case, the decisive prevention choice is to approve an authoritative IPAM worksheet before provisioning.

Question 70

A first repair attempt for this situation failed: An enterprise consolidates multiple department VLANs onto routed distribution switches. The review found the mistaken approach of reusing overlapping VLAN and subnet assignments without a translation plan. Which targeted recovery action BEST restores the intended design?

Rebuild the VSF topology using supported ports and member identities
Restore the verified previous path and replay only the approved migration steps
Reassign conflicting prefixes and retest routing against the corrected matrix
Correct peer reachability and consistency before enabling affected VSX LAGs

Explanation

Correct Answer

Reassign conflicting prefixes and retest routing against the corrected matrix. This addresses the observed risk rather than hiding its symptoms. Confirm the repair when test devices reach approved subnets through the intended gateways.

Incorrect Answers

This remediation choice fits a different situation: A campus will deploy one VSF stack across adjoining network closets. It does not resolve the stated failure mode. For this case, the decisive remediation choice is to reassign conflicting prefixes and retest routing against the corrected matrix.

This remediation choice fits a different situation: A bank will migrate a live campus network over a short maintenance window. It does not resolve the stated failure mode. For this case, the decisive remediation choice is to reassign conflicting prefixes and retest routing against the corrected matrix.

This remediation choice fits a different situation: A campus uses a VSX core pair plus downstream dual-homed distribution links. It does not resolve the stated failure mode. For this case, the decisive remediation choice is to reassign conflicting prefixes and retest routing against the corrected matrix.

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Question 60

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Question 61

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Question 62

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Question 63

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Question 64

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Question 65

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Question 66

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Question 67

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Question 68

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Question 69

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Question 70

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HPE Network Switching Professional (HPE7-A08) Practice Tests