HPE6-A86 Certification Questions, HPE6-A86 Exam Quick Prep

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HP HPE6-A86 Exam Syllabus Topics:

SectionObjectives
Topic 1: Authentication and Authorization- Describe fundamental authentication and authorization concepts
  • 1. Describe RADIUS, TACACS+, LDAP
- Describe how to configure and validate Aruba solutions for authentication and authorization
  • 1. Configure ClearPass integration
  • 2. Configure role-based access control
Topic 2: Management and Monitoring- Describe Aruba management and monitoring tools
  • 1. Describe Aruba Central
  • 2. Describe SNMP, syslog, and sFlow
  • 3. Describe Aruba AirWave
Topic 3: Network Stack Fundamentals- Describe and explain fundamental protocols
  • 1. Describe ARP, ICMP, DNS, DHCP, NTP
  • 2. Identify and describe the purpose of TCP and UDP
- Describe and explain the OSI networking model
  • 1. Describe encapsulation and de-encapsulation
  • 2. Identify and describe the function of each OSI layer
Topic 4: Security- Explain how to configure and validate security for Aruba switches
  • 1. Configure port-based access control
  • 2. Configure RADIUS/TACACS+ authentication
  • 3. Configure local user authentication
- Describe security and access control for switching
  • 1. Describe dynamic segmentation and ClearPass integration
  • 2. Describe port security and DHCP snooping
- Describe fundamental security concepts
  • 1. Describe AAA, RBAC, and 802.1X
  • 2. Describe firewall zones and ACLs
Topic 5: Network Resiliency and Virtualization- Describe Aruba Virtual Switching Framework (VSF)
  • 1. Describe VSF stack architecture
- Describe Aruba Virtual Switching Extension (VSX)
  • 1. Describe VSX architecture and components
  • 2. Describe VSX deployment scenarios
Topic 6: Connectivity- Explain how to configure and validate Layer 2/3 switching
  • 1. Configure and verify routing protocols (OSPF)
  • 2. Configure VLANs and IP interfaces
  • 3. Configure LACP and link aggregation
- Describe the basics of Layer 2/3 switching and routing
  • 1. Describe static and dynamic routing concepts
  • 2. Describe VLANs, trunks, and inter-VLAN routing
- Describe network resiliency
  • 1. Describe spanning tree protocols (STP/RSTP/MSTP)
  • 2. Describe link aggregation (LAG/LACP)
  • 3. Describe redundancy and failover mechanisms
Topic 7: WLAN- Describe Aruba Instant and Aruba Central
  • 1. Describe Aruba Central management capabilities
  • 2. Describe Aruba Instant features and configuration
- Describe fundamental RF attributes and wireless standards
  • 1. Describe 802.11 standards and amendments
  • 2. Identify and describe RF fundamentals (frequency, channels, power)
- Describe and explain AP deployment modes
  • 1. Describe standalone, controller-based, and cloud-managed deployments
Topic 8: Troubleshooting- Describe basic troubleshooting methodologies
  • 1. Identify and isolate network issues
  • 2. Use show/debug commands for diagnostics
- Explain how to troubleshoot common Layer 2 and Layer 3 issues
  • 1. Troubleshoot VLAN and trunk issues
  • 2. Troubleshoot ACL and security issues
  • 3. Troubleshoot OSPF adjacency issues

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HPE Network Switching Associate Exam Sample Questions (Q20-Q25):

NEW QUESTION # 20
What are valid responses from a RADIUS server? Choose two.

Answer: C,F

Explanation:
The correct answers are A and F. Valid RADIUS authentication responses include Access-Accept and Access- Reject. HPE Aruba Networking documentation explains that a RADIUS server responds to an authentication request with an Access-Accept response when authentication succeeds, or an Access-Reject response when the user is not authorized. In the answer choices, these are represented as ACCEPT and REJECT. The other options are not valid RADIUS response names in this context. "ALLOW" and "PERMIT" may describe an access-control result in plain language, but they are not the RADIUS authentication response messages used by the protocol. "DENY" and "BLOCK" are also not the listed RADIUS response types in HPE Aruba Networking documentation. In an HPE Aruba Networking environment, RADIUS is commonly used for authentication, authorization, and accounting workflows, including administrative login and network access authentication. The important exam distinction is that the RADIUS server returns Access-Accept for successful authentication and Access-Reject for failed or unauthorized authentication.


NEW QUESTION # 21
The external DHCP server is configured with the IP address 192.168.1.100. The HPE Aruba Networking CX
6300M VSF is the Layer 3 gateway for VLAN 200 clients, which should receive an IP address from the
192.168.200.0/24 subnet using the external DHCP server address.
How do you configure IPv4 DHCP relay on the specific HPE Aruba Networking CX 6300 switch?

Answer: D

Explanation:
The correct answer is A. The CX 6300M VSF stack is the Layer 3 gateway for VLAN 200 clients, so the DHCP relay configuration must be applied to interface vlan 200, the SVI for the client VLAN. The SVI should use an address in the client subnet, such as 192.168.200.1/24, and the remote DHCP server should be defined with the AOS-CX ip helper-address command. HPE Aruba Networking AOS-CX documentation states that ip helper-address < IPV4-ADDR > defines the address of a remote DHCP server or DHCP relay agent and that the DHCP relay agent forwards DHCP client requests to the defined servers. Option B is incorrect because VLAN 1 is not the VLAN 200 client gateway. Options C and D are incorrect because dhcp- relay server is not the correct AOS-CX command shown for configuring IPv4 DHCP relay on the SVI. The correct configuration is ip helper-address 192.168.1.100 under interface vlan 200.


NEW QUESTION # 22
A junior network engineer is studying for a certification and needs to understand how a router makes a forwarding decision when it has multiple routes to the same destination network.
Consider the following entries in a routing table:
S > 0.0.0.0/0 [1/0] via 10.1.1.1
O > 172.16.0.0/16 [110/20] via 10.2.2.2
S > 172.16.10.0/24 [1/0] via 10.3.3.3
If the router receives a packet with a destination IP address of 172.16.10.5, which route will it use?

Answer: B


NEW QUESTION # 23
What are valid responses from a RADIUS server? (Choose two.)

Answer: C,F

Explanation:
A RADIUS server responds to authentication requests with standardized messages. ACCEPT indicates that the user is successfully authenticated and authorized, while REJECT indicates that the authentication attempt has failed and access is denied.


NEW QUESTION # 24
In the partial example of the LLDP output below:

What can be validated based on the provided output?

Answer: C

Explanation:
The LLDP neighbor information shows the neighbor's port VLAN ID as 1, which indicates the untagged (native) VLAN on the peer port is VLAN 1.


NEW QUESTION # 25
......

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