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HP HPE7-A08 Exam Syllabus Topics:
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NEW QUESTION # 10
You must enable HTTPS access to an HPE Aruba Networking CX 8100 for an SVI 100 created after default settings. How do you meet this requirement?
- A. Use the command https-server vrf default to allow HTTPS access.
- B. Use the command https-server vrf mgmt to allow HTTPS access.
- C. The HTTPS server is accessible by default.
- D. The HTTPS server is accessible only from mgmt VRF.
Answer: A
Explanation:
In AOS-CX architecture, management services (such as SSH, HTTPS, and SNMP) are VRF-aware. This is a security hardening feature designed to separate management traffic from data traffic.
* Default Behavior: By default, AOS-CX switches enable the HTTPS server only on the mgmt VRF (the Out-of-Band Management port). This means the Web UI and REST API are only accessible through the dedicated physical management port.
* In-Band Management: When you create an SVI (Switch Virtual Interface) like SVI 100, that interface resides in the default VRF (unless you manually assign it to a custom VRF). To manage the switch " in-band " through this SVI using a web browser, you must explicitly instruct the AOS-CX operating system to listen for HTTPS requests on that specific VRF.
* The Command: The command https-server vrf default tells the switch to start the web server process for the default VRF. Without this command, any attempt to access the switch ' s IP address on SVI 100 via port 443 will be dropped by the switch ' s internal control plane protection, as the service is not active for that network context.
* Verification of Options:
* Option A: This command is typically already part of the factory default configuration to allow OOBM access; it does nothing for an SVI in the default VRF.
* Option B: Incorrect, as HTTPS is restricted to the mgmt VRF out of the box for security.
* Option C: This is a true statement regarding the default state , but it describes the problem rather than providing the solution to the requirement.
* Option D: This is the correct administrative action to enable the service for the data plane (where SVI 100 lives).
NEW QUESTION # 11
Which two Aruba CX switch features enhance resiliency and network redundancy? (Select two)
- A. Multi-Chassis Link Aggregation (MC-LAG)
- B. Zero Touch Provisioning (ZTP)
- C. Aruba NetEdit
- D. Virtual Switching Extension (VSX)
Answer: A,D
Explanation:
MC-LAG ensures link redundancy, preventing single points of failure, while VSX enables active-active failover between core switches, improving network availability.
NEW QUESTION # 12
Which feature enables Aruba CX switches to support high-bandwidth applications with multi-gigabit speeds?
- A. Multi-Chassis Link Aggregation (MC-LAG)
- B. Aruba NetEdit
- C. Virtual Switching Extension (VSX)
- D. Smart Rate Ports
Answer: D
Explanation:
Smart Rate Ports provide 1/2.5/5/10GbE speeds, ensuring scalable bandwidth for high-demand applications like Wi-Fi 6, video conferencing, and IoT devices.
NEW QUESTION # 13
You are planning a 10 Gbps link between two CX switches. Which type of SFP port will be required?
- A. SFP
- B. SFP28
- C. QSFP+
- D. SFP+
Answer: D
Explanation:
A 10 Gbps link requires an SFP+ transceiver.
SFP28 supports 25 Gbps
SFP supports 1 Gbps
QSFP+ supports 40 Gbps
NEW QUESTION # 14
How does an HPE Aruba Networking CX VSX solution make the hardware replacement of a single switch a non-disruptive operation for Layer 2 configurations?
- A. By allowing the system MAC in the ServiceOS to be changed to the original system MAC.
- B. By the utilization of any of the four reserved ranges as system-MAC addresses.
- C. By the VSX-sync option for synchronization of the system-MAC.
- D. By entering the primary switch system-MAC on the secondary switch.
Answer: A
NEW QUESTION # 15
Which command is used to configure a VLAN on an Aruba switch via CLI?
Response:
- A. switchport vlan 10
- B. set vlan 10
- C. vlan 10
- D. create vlan 10
Answer: C
NEW QUESTION # 16
Refer to the exhibit:
SW-A is the layer-3 gateway for:
Server-A in VLAN 100, subnet 10.100.100.0/24
Client-A in VLAN 20, subnet 10.100.20.0/24
Client-B VLAN 30, subnet 10.100.30.0/24
What must be done to prevent rogue DHCP servers in VLAN 20 on SW-A?
- A. Enable dhcpv4-snooping globally and on interface VLAN 20
- B. Enable dhcpv4-snooping authorized-server 10.100.100.10 on VLAN 20
- C. Enable dhcpv4-snooping globally and on VLAN 20
- D. Enable dhcpv4-snooping trust 10.100.100.10 on VLAN 20
Answer: C
Explanation:
To prevent rogue DHCP servers on VLAN 20, you must:
Enable DHCP snooping globally
Enable DHCP snooping on the specific VLAN (VLAN 20)
This ensures that only trusted ports (uplinks toward the real DHCP server) can send DHCP offers. SW-A is the L3 gateway, and Server-A (10.100.100.10) is not in VLAN 20 -- so options that try to authorize it under VLAN 20 are invalid.
Correct configuration approach:
dhcpv4-snooping
dhcpv4-snooping vlan 20
NEW QUESTION # 17
An administrator wants to ensure that only authorized devices can connect to specific switch ports. Which security feature should be configured?
Response:
- A. QoS
- B. DHCP Snooping
- C. 802.1X
- D. ACL
Answer: C
NEW QUESTION # 18
Which CLI command displays the currently configured Syslog servers on an Aruba CX switch?
- A. show log configuration
- B. show syslog servers
- C. display logging remote
- D. show logging host
Answer: D
Explanation:
The show logging host command lists all configured Syslog servers, helping administrators verify logging configurations and troubleshoot log transmission issues.
NEW QUESTION # 19
TAC has made a configuration change on the CLI of a CX switch using aruba-central support- mode. Which statement about the switch configuration in HPE Aruba Networking Central is true?
- A. Config auto-commit will be disabled and must be re-enabled manually.
- B. The user must make the same change in HPE Aruba Networking Central for synchronization to occur.
- C. HPE Aruba Networking Central will automatically overwrite the configuration change.
- D. The configuration change will be automatically synchronized to HPE Aruba Networking Central.
Answer: B
Explanation:
When changes are made on the switch CLI using Aruba Central support-mode, Central does not automatically sync the configuration. The same change must be applied in HPE Aruba Networking Central to maintain synchronization.
NEW QUESTION # 20
An administrator is managing a network comprised of AOS-CX switches deployed at the aggregation layer. The switches are paired in a VSX stack and run the OSPF routing protocol.
The administrator is concerned about how long it takes for OSPF to converge when one of the VSX switches has to reboot.
What should the administrator to do speed up the OSPF convergence of the switch that is rebooting?
- A. Define non-backbone areas on the VSX switches as totally stubby areas.
- B. Change the VSX ISL link from an OSPF broadcast link point-to-point.
- C. Implement graceful restart on the VSX switches and their neighboring OSPF switches.
- D. Decrease the VSX initial synchronization timer on the two VSX switches.
Answer: C
NEW QUESTION # 21
You are implementing HPE Aruba Networking CX switches in a hotel environment. Which feature would allow you to use a single subnet for the wired guests to utilize only default gateway services without interacting with each other?
- A. By assigning the guest users to a community VLAN and the gateway to a primary VLAN.
- B. By assigning the guest users to an isolated VLAN and the gateway to a primary VLAN.
- C. By assigning the guest users to an isolated VLAN and the gateway to a community VLAN.
- D. By assigning the guest users to a primary VLAN and the gateway to an isolated VLAN.
Answer: B
Explanation:
Assigning guest users to an isolated VLAN prevents them from communicating with each other while still allowing access to the default gateway in the primary VLAN, enabling shared subnet usage without inter-device interaction.
NEW QUESTION # 22
Examine the network exhibit:
Examine Rome r4"s partial OSPF configuration:
router OSPF 1 Area 0
exit interface vlan 100
ip ospf area 0
exit interface vlan 40
ip ospf area 0
exit interface 1/1/1
vlan access 100
mtu9000
Ip ospt hello-Interval 1
Ip ospt dead-Interval 4
ip ospf authentication simple-text
ip ospf authentication-key key123
When executing the "show ip ospf neighbors" command, Router 4 is in a FULL state with Router
3 and Router 2, but a 2-WAY state with Route3.
What is causing the 2-WAY state with Router 1?
- A. The MTU size on interface 1/1/1 is mismatched with Router Vs VLAN 100 interface.
- B. The timers on Interface 1/1/1 Is mismatched with Router i's VLAN TOO interlace.
- C. Router 1 and Route1 3 have a mismatched authentication Key.
Answer: C
NEW QUESTION # 23
On an HPE Aruba Networking CX switch, what needs to be done to complete the redistribution of the selected static routes using a single area OSPF when partial configuration already below exists on the switch:
- A.
- B.
- C.
- D.
Answer: D
Explanation:
The prefix list and route map are already defined to match the desired static routes (prefix-list net172 referenced by route-map map-172).
To redistribute only those matched static routes into OSPF, the OSPF process must use the redistribute static route-map map-172 command under router ospf 1, which applies the route map to static-route redistribution.
NEW QUESTION # 24
You recently enabled ARP protection on your CX switches, but many users now complain that they can no longer access the network.
What do you need to configure to resolve the issue?
- A. Dynamic IP lockdown
- B. IGMP snooping
- C. DHCP snooping
- D. DHCP reservations
Answer: C
Explanation:
After enabling ARP protection, many users lose network access because ARP protection relies on DHCP snooping to build IP-to-MAC binding tables. Without DHCP snooping enabled and correctly configured, ARP inspection cannot verify ARP packets, causing legitimate traffic to be dropped.
Enabling DHCP snooping allows ARP inspection to validate ARP requests and responses.
Other options like dynamic IP lockdown, IGMP snooping, or DHCP reservations are unrelated or secondary.
References:
ArubaOS-CX ARP Inspection and DHCP Snooping Configuration Guide
HPE Aruba Network Security Best Practices
Aruba Troubleshooting ARP Protection Issues
NEW QUESTION # 25
You are attempting to configure an interface, but you are seeing the error message below. What could explain this?
Access-1(config)# interface 1/1/1
Invalid input: interface
- A. Authorization is enabled for CLI commands
- B. The command must be run from the manager context
- C. The switch is being managed by HPE Aruba Networking Central
- D. The switch is in password recovery mode
Answer: C
Explanation:
When a switch is managed by HPE Aruba Networking Central, certain CLI commands, including direct interface configuration, may be restricted to prevent conflicts with Central-managed configurations, resulting in the "Invalid input: interface" error.
NEW QUESTION # 26
You have added a switch with existing configuration to an existing group in HPE Aruba Networking Central but the configuration is not synchronizing. What could cause this?
- A. The switch is still pending authorization on the organization settings page.
- B. The switch is configured in a VSX pair, which HPE Aruba Networking Central does not support.
- C. Only switches with factory default config can be added to a group with existing config.
- D. HPE Aruba networking Central has not been enabled on the local switch configuration.
Answer: C
Explanation:
HPE Aruba Networking Central requires switches to have a factory-default configuration before being added to a group. Existing configurations prevent automatic synchronization with the group settings.
NEW QUESTION # 27
Which CLI command displays real-time traffic usage per interface?
- A. display port utilization
- B. show bandwidth statistics
- C. show traffic monitor
- D. show interfaces traffic
Answer: D
Explanation:
The show interfaces traffic command provides traffic statistics per interface, helping identify over-utilized or underperforming links.
NEW QUESTION # 28
Which actions can be taken to resolve high CPU utilization on an Aruba switch?
(Select two.)
Response:
- A. Increase VLAN MTU
- B. Configure IGMP snooping
- C. Enable storm control
- D. Reduce the number of broadcast domains
Answer: B,C
NEW QUESTION # 29
Which CLI command displays active BGP neighbor connections?
- A. show ip bgp sessions
- B. display bgp peers
- C. show bgp summary
- D. show bgp neighbors
Answer: C
Explanation:
The show bgp neighbors command displays information about active BGP connections, including peer IPs, AS numbers, session state, and uptime.
NEW QUESTION # 30
Which CLI command applies an ACL to a switch interface?
- A. ip access-group 101 in
- B. acl assign 101
- C. apply access-list 101
- D. enable acl 101
Answer: C
Explanation:
The ip access-group 101 in command assigns an ACL to an interface, ensuring packet filtering and security policies are enforced based on predefined rules.
NEW QUESTION # 31
Which CLI command displays active PIM neighbors on an Aruba CX switch?
- A. show multicast neighbor
- B. display pim adjacency
- C. show pim neighbors
- D. show ip pim neighbor
Answer: D
Explanation:
The show ip pim neighbor command lists active PIM neighbors, helping network administrators verify multicast routing adjacencies and troubleshoot connectivity.
NEW QUESTION # 32
Which two Aruba CX switch features are essential for securing and segmenting user traffic? (Select two)
- A. VSF (Virtual Switching Framework)
- B. Intelligent Power Management
- C. Dynamic Segmentation
- D. EVPN/VXLAN
Answer: C,D
Explanation:
Dynamic Segmentation integrates with ClearPass for policy-based VLAN enforcement, while EVPN/VXLAN allows scalable network segmentation across Layer 2 and Layer 3 domains.
NEW QUESTION # 33
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