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HP HPE6-A86 Exam Syllabus Topics:

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

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HPE Network Switching Associate Exam 認定 HPE6-A86 試験問題 (Q20-Q25):

質問 # 20
A technician installed a new 550 series access point, which is cabled back to a CX 6000 series switch. However, there are no lights on the AP. What could cause this?

A. The wrong VLAN has been configured.
B. STP has not been configured.
C. The AP can't connect to HPE Aruba Networking Central.
D. PoE is disabled on the interface.

正解：D

解説：
The 550 series access point requires Power over Ethernet from the switch to power on. If PoE is disabled on the CX 6000 switch interface, the access point will not receive power, resulting in no indicator lights.

質問 # 21
A customer is about to connect a new HPE Aruba Networking CX 6200 switch using ports 1/1/47 and 1/1/48 to an existing HPE Aruba Networking 5406R switch in a VSF configuration. The VSF is already configured with the following settings:
trunk 1/A24, 2/A24 trk2 lacp
trk2
vlan tagged 100,200,300
vlan untagged 50
What needs to be configured on the new CX 6200 switch?

A. interface lag 27
lacp mode enable
vlan trunk allowed 50,100,200,300
vlan trunk native untagged 50
B. interface lag 27
lacp mode active
vlan trunk allowed 50,100,200,300
vlan trunk native 50
C. interface lag 27
lacp mode enable
vlan trunk allowed 50,100,200,300
vlan trunk native tagged 50
D. interface lag 27
lacp mode active
vlan trunk allowed 100,200,300
vlan trunk native 50

正解：D

解説：
The correct answer is C. The existing 5406R configuration uses an LACP trunk, with VLANs 100, 200, and
300 tagged and VLAN 50 untagged. The equivalent HPE Aruba Networking AOS-CX configuration is to create a LAG, enable LACP using lacp mode active, allow the tagged VLANs on the trunk, and configure VLAN 50 as the native VLAN. In AOS-CX, the vlan trunk native < VLAN-ID > command assigns the native VLAN to the trunk or LAG interface. Native VLAN traffic is untagged unless native VLAN tagging is specifically configured. HPE Aruba documentation also shows the command syntax for assigning native VLANs to LAG interfaces and the use of vlan trunk allowed for the VLANs carried on the trunk. Option A and option B are incorrect because lacp mode enable and the shown native VLAN syntax are not the correct CX syntax. Option D is less correct because VLAN 50 is the native untagged VLAN and does not need to be included with the tagged VLAN list. The correct CX equivalent is therefore LACP active, allowed VLANs
100, 200, and 300, and native VLAN 50.

質問 # 22
Which phase of OSPF involves running the SPF algorithm to determine the best path for each network destination?

A. Phase 3: Build OSPF route table
B. Phase 2: Build a topology database
C. Phase 1: Build a Neighbor table
D. Phase 4: Build the route table

正解：A

質問 # 23
What are two primary concerns regarding layer two loops in a redundant topology? (Choose two.)

A. broadcast storms
B. security issues with a redundant loop indicating to hackers that a back-door exists
C. costs associated with upgrading from copper to fiber
D. routing loops
E. multiple frame copies leading to instability of the MAC address table

正解：A、E

解説：
Layer 2 loops cause Broadcast Storms and MAC table instabilities.

質問 # 24
A Network Operator is managing a two-member VSF stack. The operator needs to verify the health of the stack and confirm which member is currently acting as the Commander (master).
show vsf
VSF Domain ID : 1
VSF Mode : VSF
VSF Status : Active
VSF Uptime : 7 days, 2 hours, 13 minutes
VSF System MAC : 00:00:1c:c1:00:00
Mbr
ID MAC Address Model Pri Status
- -- -
1 00:00:1c:c1:00:00 Aruba-8325-48Y8C 128 Commander
2 00:00:1c:c2:00:00 Aruba-8325-48Y8C 128 Standby
Based on the command output, which statements are true about the state of this VSF stack?
(Select all that apply.)

A. Both members are actively forwarding traffic.
B. The stack is currently in a failed or inactive state.
C. The VSF stack is using a ring topology for its VSF links.
D. The priority of Member 2 needs to be increased for it to become the Standby.
E. Member 2 will take over as Commander if Member 1 fails.

正解：A、E

質問 # 25
......

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