HPE7-A06 PREP4KING VCE & HPE7-A06 EXAMCOLLECTION TORRENT & HPE7-A06 VALID QUESTIONS

HPE7-A06 Prep4king Vce & HPE7-A06 Examcollection Torrent & HPE7-A06 Valid Questions

HPE7-A06 Prep4king Vce & HPE7-A06 Examcollection Torrent & HPE7-A06 Valid Questions

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HPE Campus Access Switching Expert Written Exam Sample Questions (Q45-Q50):

NEW QUESTION # 45
When trying to add a now access switch to the network, theswitch port at the aggregation switch is automatically disabled.
What needs to be done to fix this issue?

  • A. Disable spanning tree bpdu-tilter al the interface level.
  • B. Disable spanning tree loop-guard at the interface level.
  • C. Disable spanning tree root-guard at the interface level.
  • D. Disable spanning tree bpdu-guard at the interface level.

Answer: D

Explanation:
The issue involves a new access switch's port being automatically disabled when connected to an aggregation switch, likely due to a Spanning Tree Protocol (STP) protection mechanism.
* Analysis of Options:
* Option A (Disable bpdu-filter):BPDU filtering prevents BPDUs from being sent or processed, which could cause loops, not resolve the issue.
* Option B (Disable root-guard):Root guard prevents a port from becoming the root bridge but does not cause port disablement in this context.
* Option C (Disable loop-guard):Loop guard prevents alternate ports from becoming designated but is unrelated to port disablement.
* Option D:Correct. Disabling BPDU guard on the aggregation switch's interface prevents it from disabling the port when it receives BPDUs from the new access switch.
* Why Option D is Correct:BPDU guard is an STP feature that disables a port if it receives BPDUs, assuming an unauthorized device is connected. When a new access switch isconnected, it sends BPDUs as part of normal STP operation, triggering BPDU guard on the aggregation switch and disabling the port. Disabling BPDU guard on the aggregation switch's interface (e.g., no spanning-tree bpdu-guard) allows the access switch to participate in STP without being disabled, resolving the issue while maintaining network stability.
* Relevance to Certification Objectives:
* Network Resiliency and Virtualization (8%):Involves troubleshooting STP mechanisms for fault tolerance.
* Troubleshooting (10%):Includes diagnosing and remediating STP-related issues in campus networks.
* Switching (19%):Covers Layer 2 technologies like STP and its protection features.
References:
HPE Aruba Networking AOS-CX Configuration Guide: Spanning Tree Configuration, detailing BPDU guard.
HPE7-A06Study Guide: Covers STP troubleshooting and protection mechanisms.
HPE Aruba Networking Technical Documentation: STP Best Practices, explaining BPDU guard behavior.


NEW QUESTION # 46
Refer to the exhibit.

IGMP v3 was enabled on both VSX switches. Which switch becomes the IGMP querier forclients connected to Ace-1 switch?

  • A. Active gateway IP will be used as IGMP querier.
  • B. Agg-1
  • C. both Agg-1 and Agg-2
  • D. Agg-2

Answer: B

Explanation:
The setup has Agg-1 and Agg-2 as a VSX pair with IGMPv3 enabled. Ace-1 is a downstream switch connected to clients. The question asks which switch becomes the IGMP querier for clients connected to Ace-
1.
* IGMP Snooping & Querier:In a Layer 2 network using IGMP snooping, an IGMP querier is required on each VLAN to periodically send general queries. This prompts hosts to send membership reports, allowing snooping switches to learn which ports need which multicast streams.
* Querier Election:If multiple devices capable of querying exist on a VLAN (like routers or capable switches), an election occurs. Typically, the device with the lowest IP address on the VLAN becomes the querier.
* VSX & IGMP Querier:In an ArubaOS-CX VSX environment, the IGMP querier functionality is managed by the VSX pair. Documentation indicates that theprimary VSX switchtypically assumes the role of the IGMP querier for the VLANs it serves, including those extended via MC-LAG to downstream switches.
* Analysis of Options:
* A. Agg-2: Would only be the querier if it were the primary VSX switch.
* B. Both Agg-1 and Agg-2: Incorrect, only one active querier per VLAN is standard.
* C. Agg-1: Likely the primary VSX switch (often designated or wins election based on priority
/lower system MAC/IP) and thus becomes the querier.
* D. Active gateway IP: This is the virtual IP used for unicast routing, but the querier function runs on a physical switch, usually the primary.
* Conclusion:Assuming Agg-1 is the primary VSX switch (as is common convention or based on default election parameters if not explicitly configured), it will act as the IGMP querier for the VLAN serving clients connected to Ace-1.
References:AOS-CX Multicast Guide (IGMP Snooping, Querier Election), AOS-CX VSX Guide. This relates to "Switching" (19%) and "Network Resiliency and virtualization" (8%).


NEW QUESTION # 47
AnOSPF router has teamed a path to an external network oy both an El and an E2 advertisement, both routes having the same path cost. Which path -will the router prefer?

  • A. The router will prefer the E1 path.
  • B. The router will use both paths equally by means ofECMP
  • C. Both routes will be suppressed until the path conflict has been resolved.
  • D. The router will prefer the E2 path.

Answer: A

Explanation:
The question involves an OSPF router receiving both an E1 (External Type 1) and an E2 (External Type 2) advertisement for an external network with the same path cost. The task is to determine which path the router will prefer.
* Analysis of Options:
* Option A (ECMP):Equal-Cost Multi-Path (ECMP) is used when multiple paths have the same total cost, but E1 and E2 routes have different metric calculations, so ECMP does not apply here.
* Option B (Prefer E2):Incorrect, as E2 routes are preferred only when E1 routes are not present or have a higher total cost.
* Option C (Suppressed):OSPF does not suppress routes due to path conflicts; it selects the best path based on metrics.
* Option D (Prefer E1):Correct. OSPF prefers E1 routes over E2 routes because E1 routes include the internal cost to the ASBR (Autonomous System Boundary Router) plus the external cost, providing a more accurate total cost.
* Why Option D is Correct:In OSPF, external routes are advertised as E1 or E2. E1 routes include both the external cost (advertised by the ASBR) and the internal cost to reach the ASBR, making them more precise for path selection. E2 routes only consider the external cost and are the default for redistributed routes unless explicitly configured as E1. When an OSPF router receives both E1 and E2 routes with the same external cost, it prefers the E1 route because it accounts for the total path cost, including internal network topology. This is per OSPF standards (RFC 2328).
* Relevance to Certification Objectives:
* Routing (16%):Involves designing and troubleshooting OSPF routing topologies, including external route types (E1 vs. E2).
* Troubleshooting (10%):Includes analyzing OSPF path selection to resolve routing issues.
References:
HPE Aruba Networking AOS-CX Configuration Guide: OSPF Configuration, detailing E1 and E2 route types.
HPE7-A06Study Guide: Covers OSPF external route selection and path preference.
RFC 2328: OSPF Version 2, explaining E1 and E2 route metrics and preference.


NEW QUESTION # 48
Two CX 8325 switches are configured as a cluster using VSX for the coreroleand two CX 6300M in VSF for theaggregation role. When a minor software upgrade is issued on the switches, what isthe method to achieve a hitlessupgrade with the aggregation switches?

  • A. VSF update-software initiates thesoftware upgrade first on the primary switch. followed by the secondary.
  • B. ISSU update-software initiates the upgrade first on thesecondary switch, Followed by theprimary.
  • C. ISSU update-software initiates the upgrade first on the primary switch, followed by the secondary.
  • D. VSF update-software initiates the software Upgrade first on the secondary switch, followed by the primary.

Answer: D

Explanation:
The question involves a minor software upgrade on a VSF (Virtual Switching Framework) stack of CX
6300M switches in the aggregation role, with CX 8325 switches in a VSX cluster as the core. The task is to identify the method for a hitless upgrade on the aggregation switches.
* Analysis of Options:
* Option A:Correct. VSF upgrades start with the secondary switch, followed by the primary, to ensure continuous operation without traffic disruption.
* Option B:Incorrect. In-Service Software Upgrade (ISSU) is used for VSX, not VSF, and follows a different process.
* Option C:Incorrect. Upgrading the primary switch first in VSF risks disrupting control plane operations.
* Option D:Incorrect. ISSU is not applicable to VSF upgrades.
* Why Option A is Correct:In a VSF stack, the update-software command initiates a rolling upgrade, starting with the secondary (standby) switch to ensure the primary (commander) continues handling traffic. Once the secondary is upgraded and rejoins the stack, the primary is upgraded, maintaining hitless operation. This process leverages VSF's ability to keep member switches active during upgrades, minimizing downtime. The CX 6300M's VSF implementation supports this hitless upgrade mechanism, as per HPE Aruba Networking documentation.
* Relevance to Certification Objectives:
* Network Resiliency and Virtualization (8%):Designing and troubleshooting VSF for high availability and hitless upgrades.
* Troubleshooting (10%):Ensuring minimal disruption during software upgrades in campus networks.
References:
HPE Aruba Networking AOS-CX Configuration Guide: VSF Software Upgrade, detailing hitless upgrade procedures.
HPE7-A06Study Guide: Covers VSF maintenance and upgrade processes.
HPE Aruba Networking Technical Documentation: CX 6300 Series VSF Upgrade Best Practices.


NEW QUESTION # 49
Match each BGP element to its description.

Answer:

Explanation:

Explanation:

This question requires matching BGP protocol elements (mostly message types) to their primary function or description.
* OPEN Message:This is the first message sent after the TCP connection is established between BGP peers. Routers exchange OPEN messages to negotiate session parameters (AS Number, Hold Time, Router ID, Capabilities). A successful exchange leads to session establishment.
* Matches:"sets up and establishes BGP adjacency"
* UPDATE Message:This message is used to communicate network reachability information (NLRI). It carries prefixes that are being advertised, path attributes associated with those prefixes, and/or prefixes that are being withdrawn.
* Matches:"advertises, updates, or withdraws routes"
* KEEPALIVE Message:These messages are sent periodically between BGP peers within the agreed- upon Hold Time interval. Their primary purpose is to confirm that the peer is still alive and the session is active, especially when there are no UPDATE messages to send.
* Matches:"ensures that BGP peers are still alive"
* NOTIFICATION Message:This message is sent when a BGP error condition is detected (e.g., malformed message, unacceptable parameters in an OPEN message, hold timer expiry). Sending or receiving a NOTIFICATION message immediately causes the BGP session to terminate.
* Matches:"indicates error condition to a BGP neighbor"
* Route Refresh:This is a BGP capability (defined in RFC 2918) that allows a BGP speaker to request its peer to resend its routing updates for a specific address family, typically used after a policy change without requiring a full BGP session reset.
* Matches:"request a BGP peer to resend updated messages"
References:RFC 4271 (BGP4 Specification - Section 4, Messages), RFC 2918 (BGP Route Refresh Capability). This relates to the "Routing" (16%) objective.


NEW QUESTION # 50
......

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