HPE7-A08 Fragen & Antworten & HPE7-A08 Studienführer & HPE7-A08 Prüfungsvorbereitung

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HP HPE7-A08 Prüfungsplan:

Thema	Einzelheiten
Thema 1	Manage, Maintain, Optimize, and Monitor the Wired Network Solution: This part measures the skills of Network Operations Engineers in managing and maintaining wired network infrastructures. It includes developing configuration management strategies, interpreting network operational data to make informed decisions, and programmatically auditing or configuring Aruba Networking switches to optimize performance and reliability.
Thema 2	Troubleshoot the Wired Network Solution: Candidates in this section, typically Network Support Specialists, are tested on identifying common wired network failures such as IP or VLAN mismatches, hardware issues, or port misconfigurations. It also involves analyzing performance problems caused by QoS or configuration errors and formulating effective remediation plans to restore correct network operations.
Thema 3	Install and Configure the Wired Network Solution: This domain evaluates the abilities of Network Engineers to provision and configure HPE Aruba Networking switches both via Aruba Networking Central and command-line interface. It covers physical switch setup, Layer 2 and Layer 3 configuration and validation, multicast features, security implementations, quality of service (QoS) settings, and integration of Aruba Networking solutions into existing environments.
Thema 4	Create the Implementation Plan for the Wired Network Solution: This section measures the skills of Network Designers who focus on understanding the HPE switching portfolio and selecting the right products to match various customer requirements. Candidates must also demonstrate the ability to create detailed and effective implementation plans based on given designs or customer scenarios to ensure successful wired network deployments.

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HPE Aruba Networking Switching Professional Exam HPE7-A08 Prüfungsfragen mit Lösungen (Q143-Q148):

143. Frage
What is a reason to implement PIM-DM as opposed to PIM-SM?

A. to conserve bandwidth over WAN links
B. to use on high-bandwidth routed connections
C. to control exactly which multicast groups are routed through the network
D. to permit a higher density of RP routers in the network core

Antwort: B

144. Frage
Refer to the exhibit:

The neighbor switch is configured with the following IP interfaces:
* mgmt: 172.30.32.8
* loopback 0: 10.255.255.2
* vlan 5: 192.168.5.2
How can you change the advertised management IP information to appear as the VLAN 5 IP?

A. Issue in global context command: lldp management-address vlan 5
B. Under interface vlan 5, issue command: lldp management-address
C. Under lldp context: lldp management-address 192.168.5.2
D. Issue in global context command: lldp management-ipv4-address vlan 5

Antwort: D

Begründung:
The Link Layer Discovery Protocol (LLDP) is used by Aruba switches to share identity and capability information with neighbors. By default, AOS-CX switches often advertise the IP address of the dedicated Out- of-Band (OOB) management port.
* The Management-Address TLV: Neighbors use the " Management Address " Type-Length-Value (TLV) to know which IP they should use to manage the remote device (e.g., for SSH or Web UI access).
* Changing the Source: In some designs, you want the switch to be managed through an " In-Band " VLAN interface rather than the physical management port.
* AOS-CX Command Syntax: To specify which local interface ' s IP should be placed into the LLDP advertisement, AOS-CX uses the global command:
lldp management-ipv4-address vlan < VLAN-ID >
This tells the LLDP process: " Look at the IP assigned to SVI 5, and use that as our management identity in all LLDP frames sent out of all ports. "
* Evaluating the Options:
* Option D (Correct): Matches the specific AOS-CX syntax for selecting a VLAN-based management address.
* Option B: This syntax is more common in the legacy AOS-S (ProCurve) software, whereas CX uses the management-ipv4-address keyword to distinguish between address families.
* Option A: While intuitive, LLDP management address selection is a global process control in AOS-CX, not an interface-level trigger on the SVI itself.
* Option C: While you can manually set the address using lldp management-address < IP > , there is no standalone lldp configuration context in the AOS-CX CLI.

145. Frage
Which CLI command removes an incorrectly configured BPDU Guard setting from an interface?

A. clear spanning-tree port
B. no spanning-tree bpdu-guard
C. unset bpdu-guard
D. disable bpdu security

Antwort: B

Begründung:
The no spanning-tree bpdu-guard command disables BPDU Guard on a port, allowing switches to communicate in networks where BPDU Guard was mistakenly applied.

146. Frage
Which CLI command checks for errors on a switch port?

A. show interfaces counters
B. show traffic errors
C. display error log
D. show port diagnostics

Antwort: A

Begründung:
The show interfaces counters command provides statistics on dropped packets, CRC errors, and collisions, helping diagnose physical layer issues.

147. Frage
How would you explain to a new HPE Aruba Networking CX customer how the switch can protect against use cases of malicious DHCP servers and ARP poisoning in the network where client-to- server communication is required?

A. The control-plane policy can configured with the allowed DHCP servers.
B. The system configuration database protects the information of authenticated clients.
C. DHCP-snooping-table and ARP protection will together maintain valid information.
D. Private VLANs can be used to isolate the server resources to protect false DHCP servers.

Antwort: C

Begründung:
Combining DHCP snooping and ARP protection ensures the switch maintains a table of valid IP- to-MAC bindings from trusted DHCP servers, preventing clients from being misled by rogue DHCP servers or ARP poisoning attacks.

148. Frage
......

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