HP HPE7-A08 Practice Test 31

Question 300

An implementation change is planned for: A user VLAN must not access a sensitive server subnet. Which preventive control BEST reduces unnecessary outage and security risk?

Pilot representative endpoints and a documented outage fallback
Include explicit deny-and-allow acceptance tests before deployment
Register the printer identity and restrict its policy to required resources
Validate security capability and test an unauthorized DHCP server

Explanation

Correct Answer

Include explicit deny-and-allow acceptance tests before deployment. This safeguard is appropriate before the change to apply supported ACL or role-based policy at a suitable enforcement point and test both directions; it reduces exposure to the mistake of placing an ACL only in a dashboard description without attaching it to traffic.

Incorrect Answers

This prevention choice fits a different situation: Employee switch ports require 802.1X authentication against an identity service. It does not resolve the stated failure mode. For this case, the decisive prevention choice is to include explicit deny-and-allow acceptance tests before deployment.

This prevention choice fits a different situation: A printer cannot run 802.1X but must stay in a limited wired segment. It does not resolve the stated failure mode. For this case, the decisive prevention choice is to include explicit deny-and-allow acceptance tests before deployment.

This prevention choice fits a different situation: A campus must reduce DHCP spoofing and unauthorized access to endpoint address information. It does not resolve the stated failure mode. For this case, the decisive prevention choice is to include explicit deny-and-allow acceptance tests before deployment.

Question 301

A first repair attempt for this situation failed: A user VLAN must not access a sensitive server subnet. The review found the mistaken approach of placing an ACL only in a dashboard description without attaching it to traffic. Which targeted recovery action BEST restores the intended design?

Correct rule order or attachment with least-privilege intent preserved
Restore a narrow exception rule and verify all other ports remain authenticated
Reclassify trusted ports and rebuild valid bindings before retesting
Correct RADIUS attributes or role mappings and reauthenticate test clients

Explanation

Correct Answer

Correct rule order or attachment with least-privilege intent preserved. This addresses the observed risk rather than hiding its symptoms. Confirm the repair when denied flows fail while separately approved application flows succeed.

Incorrect Answers

This remediation choice fits a different situation: A printer cannot run 802.1X but must stay in a limited wired segment. It does not resolve the stated failure mode. For this case, the decisive remediation choice is to correct rule order or attachment with least-privilege intent preserved.

This remediation choice fits a different situation: A campus must reduce DHCP spoofing and unauthorized access to endpoint address information. It does not resolve the stated failure mode. For this case, the decisive remediation choice is to correct rule order or attachment with least-privilege intent preserved.

This remediation choice fits a different situation: Employee switch ports require 802.1X authentication against an identity service. It does not resolve the stated failure mode. For this case, the decisive remediation choice is to correct rule order or attachment with least-privilege intent preserved.

Question 302

An HPE Aruba Networking engineer faces this wired-network scenario: A campus must reduce DHCP spoofing and unauthorized access to endpoint address information. Which implementation action BEST addresses the requirement?

Use a governed MAC authentication or approved alternate access method with restrictive role
Deploy model-supported DHCP snooping and complementary access protections with trusted uplinks
Configure port access authentication with RADIUS policy and approved dynamic roles
Apply supported ACL or role-based policy at a suitable enforcement point and test both directions

Explanation

Correct Answer

Access-layer security requires clear trust boundaries for control-plane traffic. The targeted implementation is to deploy model-supported DHCP snooping and complementary access protections with trusted uplinks. The deployment succeeds when rogue DHCP responses are rejected while official leases continue.

Incorrect Answers

This implementation choice fits a different situation: A printer cannot run 802.1X but must stay in a limited wired segment. It does not resolve the stated failure mode. For this case, the decisive implementation choice is to deploy model-supported DHCP snooping and complementary access protections with trusted uplinks.

This implementation choice fits a different situation: Employee switch ports require 802.1X authentication against an identity service. It does not resolve the stated failure mode. For this case, the decisive implementation choice is to deploy model-supported DHCP snooping and complementary access protections with trusted uplinks.

This implementation choice fits a different situation: A user VLAN must not access a sensitive server subnet. It does not resolve the stated failure mode. For this case, the decisive implementation choice is to deploy model-supported DHCP snooping and complementary access protections with trusted uplinks.

Question 303

After implementing the approved change — Deploy model-supported DHCP snooping and complementary access protections with trusted uplinks — for this scenario: A campus must reduce DHCP spoofing and unauthorized access to endpoint address information. Which observed result BEST verifies the outcome?

Denied flows fail while separately approved application flows succeed
The printer can reach necessary services but not employee-only networks
Approved users join the intended segment while unknown devices are restricted
Rogue DHCP responses are rejected while official leases continue

Explanation

Correct Answer

Rogue DHCP responses are rejected while official leases continue. This is the observable acceptance evidence for the decision to deploy model-supported DHCP snooping and complementary access protections with trusted uplinks. It demonstrates the principle that access-layer security requires clear trust boundaries for control-plane traffic.

Incorrect Answers

This verification choice fits a different situation: A user VLAN must not access a sensitive server subnet. It does not resolve the stated failure mode. For this case, the decisive verification choice is to rogue DHCP responses are rejected while official leases continue.

This verification choice fits a different situation: A printer cannot run 802.1X but must stay in a limited wired segment. It does not resolve the stated failure mode. For this case, the decisive verification choice is to rogue DHCP responses are rejected while official leases continue.

This verification choice fits a different situation: Employee switch ports require 802.1X authentication against an identity service. It does not resolve the stated failure mode. For this case, the decisive verification choice is to rogue DHCP responses are rejected while official leases continue.

Question 304

An HPE Aruba Networking design review examines: A campus must reduce DHCP spoofing and unauthorized access to endpoint address information. Which technical principle BEST explains the required approach?

Special endpoints need explicit constrained fallback, not blanket open ports
Access-layer security requires clear trust boundaries for control-plane traffic
Segmentation depends on enforceable policy at the correct traffic boundary
Port access authorization must follow identity and server policy

Explanation

Correct Answer

Access-layer security requires clear trust boundaries for control-plane traffic. The case therefore calls for this specifically controlled action: deploy model-supported DHCP snooping and complementary access protections with trusted uplinks. The acceptance evidence is that rogue DHCP responses are rejected while official leases continue.

Incorrect Answers

This principle choice fits a different situation: A printer cannot run 802.1X but must stay in a limited wired segment. It does not resolve the stated failure mode. For this case, the decisive principle choice is to access-layer security requires clear trust boundaries for control-plane traffic.

This principle choice fits a different situation: A user VLAN must not access a sensitive server subnet. It does not resolve the stated failure mode. For this case, the decisive principle choice is to access-layer security requires clear trust boundaries for control-plane traffic.

This principle choice fits a different situation: Employee switch ports require 802.1X authentication against an identity service. It does not resolve the stated failure mode. For this case, the decisive principle choice is to access-layer security requires clear trust boundaries for control-plane traffic.

Question 305

A risk review for the following wired-network case asks what should be avoided: A campus must reduce DHCP spoofing and unauthorized access to endpoint address information. Which assumption creates the GREATEST implementation risk?

Disabling authentication for an entire access closet because one printer fails
Placing an ACL only in a dashboard description without attaching it to traffic
Using successful physical link state as proof of authorized network access
Marking every user access port trusted to bypass DHCP-snooping problems

Explanation

Correct Answer

Marking every user access port trusted to bypass DHCP-snooping problems. That shortcut fails because access-layer security requires clear trust boundaries for control-plane traffic. Instead, the appropriate approach is to deploy model-supported DHCP snooping and complementary access protections with trusted uplinks.

Incorrect Answers

This misconception choice fits a different situation: A printer cannot run 802.1X but must stay in a limited wired segment. It does not resolve the stated failure mode. For this case, the decisive misconception choice is to marking every user access port trusted to bypass DHCP-snooping problems.

This misconception choice fits a different situation: A user VLAN must not access a sensitive server subnet. It does not resolve the stated failure mode. For this case, the decisive misconception choice is to marking every user access port trusted to bypass DHCP-snooping problems.

This misconception choice fits a different situation: Employee switch ports require 802.1X authentication against an identity service. It does not resolve the stated failure mode. For this case, the decisive misconception choice is to marking every user access port trusted to bypass DHCP-snooping problems.

Question 306

Before changing switch configuration, an engineer investigates: A campus must reduce DHCP spoofing and unauthorized access to endpoint address information. Which FIRST check is most useful for isolating the cause?

Check ACL attachment, rule order, hit counts and test flows
Inspect trust settings, learned bindings and authorized server topology
Inspect authentication sessions, RADIUS reachability and assigned role
Inspect endpoint capabilities, MAC policy and allowed network destinations

Explanation

Correct Answer

Inspect trust settings, learned bindings and authorized server topology. This first check isolates the relevant mechanism without an untested configuration change. It tests the rule that access-layer security requires clear trust boundaries for control-plane traffic.

Incorrect Answers

This diagnostic choice fits a different situation: A user VLAN must not access a sensitive server subnet. It does not resolve the stated failure mode. For this case, the decisive diagnostic choice is to inspect trust settings, learned bindings and authorized server topology.

This diagnostic choice fits a different situation: Employee switch ports require 802.1X authentication against an identity service. It does not resolve the stated failure mode. For this case, the decisive diagnostic choice is to inspect trust settings, learned bindings and authorized server topology.

This diagnostic choice fits a different situation: A printer cannot run 802.1X but must stay in a limited wired segment. It does not resolve the stated failure mode. For this case, the decisive diagnostic choice is to inspect trust settings, learned bindings and authorized server topology.

Question 307

An implementation change is planned for: A campus must reduce DHCP spoofing and unauthorized access to endpoint address information. Which preventive control BEST reduces unnecessary outage and security risk?

Register the printer identity and restrict its policy to required resources
Pilot representative endpoints and a documented outage fallback
Include explicit deny-and-allow acceptance tests before deployment
Validate security capability and test an unauthorized DHCP server

Explanation

Correct Answer

Validate security capability and test an unauthorized DHCP server. This safeguard is appropriate before the change to deploy model-supported DHCP snooping and complementary access protections with trusted uplinks; it reduces exposure to the mistake of marking every user access port trusted to bypass DHCP-snooping problems.

Incorrect Answers

This prevention choice fits a different situation: A printer cannot run 802.1X but must stay in a limited wired segment. It does not resolve the stated failure mode. For this case, the decisive prevention choice is to validate security capability and test an unauthorized DHCP server.

This prevention choice fits a different situation: Employee switch ports require 802.1X authentication against an identity service. It does not resolve the stated failure mode. For this case, the decisive prevention choice is to validate security capability and test an unauthorized DHCP server.

This prevention choice fits a different situation: A user VLAN must not access a sensitive server subnet. It does not resolve the stated failure mode. For this case, the decisive prevention choice is to validate security capability and test an unauthorized DHCP server.

Question 308

A first repair attempt for this situation failed: A campus must reduce DHCP spoofing and unauthorized access to endpoint address information. The review found the mistaken approach of marking every user access port trusted to bypass DHCP-snooping problems. Which targeted recovery action BEST restores the intended design?

Restore a narrow exception rule and verify all other ports remain authenticated
Correct RADIUS attributes or role mappings and reauthenticate test clients
Reclassify trusted ports and rebuild valid bindings before retesting
Correct rule order or attachment with least-privilege intent preserved

Explanation

Correct Answer

Reclassify trusted ports and rebuild valid bindings before retesting. This addresses the observed risk rather than hiding its symptoms. Confirm the repair when rogue DHCP responses are rejected while official leases continue.

Incorrect Answers

This remediation choice fits a different situation: A printer cannot run 802.1X but must stay in a limited wired segment. It does not resolve the stated failure mode. For this case, the decisive remediation choice is to reclassify trusted ports and rebuild valid bindings before retesting.

This remediation choice fits a different situation: Employee switch ports require 802.1X authentication against an identity service. It does not resolve the stated failure mode. For this case, the decisive remediation choice is to reclassify trusted ports and rebuild valid bindings before retesting.

This remediation choice fits a different situation: A user VLAN must not access a sensitive server subnet. It does not resolve the stated failure mode. For this case, the decisive remediation choice is to reclassify trusted ports and rebuild valid bindings before retesting.

Question 309

An HPE Aruba Networking engineer faces this wired-network scenario: Voice traffic marked at a trusted phone should retain priority over bulk backups. Which implementation action BEST addresses the requirement?

Configure scheduler and queue-profile weights appropriate to critical traffic classes
Apply supported rate limiting or shaping for the selected traffic class
Configure a supported VRRP group with consistent virtual gateway and priorities
Define appropriate DSCP/CoS trust boundaries and class-to-queue mapping

Explanation

Correct Answer

QoS classification and trust establish how traffic enters service classes. The targeted implementation is to define appropriate DSCP/CoS trust boundaries and class-to-queue mapping. The deployment succeeds when packet markings and egress queues match the approved voice treatment.

Incorrect Answers

This implementation choice fits a different situation: A WAN uplink congests and video packets starve critical control traffic. It does not resolve the stated failure mode. For this case, the decisive implementation choice is to define appropriate DSCP/CoS trust boundaries and class-to-queue mapping.

This implementation choice fits a different situation: A bulk replication flow overwhelms a lower-speed intersite uplink. It does not resolve the stated failure mode. For this case, the decisive implementation choice is to define appropriate DSCP/CoS trust boundaries and class-to-queue mapping.

This implementation choice fits a different situation: Two gateway switches should provide first-hop redundancy for one user VLAN. It does not resolve the stated failure mode. For this case, the decisive implementation choice is to define appropriate DSCP/CoS trust boundaries and class-to-queue mapping.

Question 310

After implementing the approved change — Define appropriate DSCP/CoS trust boundaries and class-to-queue mapping — for this scenario: Voice traffic marked at a trusted phone should retain priority over bulk backups. Which observed result BEST verifies the outcome?

Measured control-plane and voice performance stay within acceptance thresholds
Packet markings and egress queues match the approved voice treatment
Interactive applications remain responsive while replication uses bounded bandwidth
The incident record contains timestamped interface and log evidence

Explanation

Correct Answer

Packet markings and egress queues match the approved voice treatment. This is the observable acceptance evidence for the decision to define appropriate DSCP/CoS trust boundaries and class-to-queue mapping. It demonstrates the principle that qoS classification and trust establish how traffic enters service classes.

Incorrect Answers

This verification choice fits a different situation: A WAN uplink congests and video packets starve critical control traffic. It does not resolve the stated failure mode. For this case, the decisive verification choice is to packet markings and egress queues match the approved voice treatment.

This verification choice fits a different situation: A bulk replication flow overwhelms a lower-speed intersite uplink. It does not resolve the stated failure mode. For this case, the decisive verification choice is to packet markings and egress queues match the approved voice treatment.

This verification choice fits a different situation: A support engineer needs read-only evidence for an interface outage. It does not resolve the stated failure mode. For this case, the decisive verification choice is to packet markings and egress queues match the approved voice treatment.

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Pass Your HP HPE7-A08 Exam Easy!

Question 300

Explanation

Correct Answer

Incorrect Answers

Question 301

Explanation

Correct Answer

Incorrect Answers

Question 302

Explanation

Correct Answer

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Question 303

Explanation

Correct Answer

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Question 304

Explanation

Correct Answer

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Question 305

Explanation

Correct Answer

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Question 306

Explanation

Correct Answer

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Question 307

Explanation

Correct Answer

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Question 308

Explanation

Correct Answer

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Question 309

Explanation

Correct Answer

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Question 310

Explanation

Correct Answer

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HPE Network Switching Professional (HPE7-A08) Practice Tests