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A company has an existing wireless solution involving Aruba APs and Mobility controllers running 8.4 code.

The solution leverages a third-party AAA solution. The company is replacing existing access switches with AOS-CX 6300 and 6400 switches. The company wants to leverage the same security and firewall policies for both wired and wireless traffic.

Which solution should the company implement?

A.
RADIUS dynamic authorization
A.
RADIUS dynamic authorization
Answers
B.
Downloadable user roles
B.
Downloadable user roles
Answers
C.
IPSec
C.
IPSec
Answers
D.
User-based tunneling
D.
User-based tunneling
Answers
Suggested answer: D

A network engineer is having a problem adding a custom-written script to an AOS-CX switch's NAE GUI. The script was written in Python and was successfully added on other AOS-CX switches. The engineer examines the following items from the CLI of the switch:

What should the engineer perform to fix this issue?

A.
Install the script's signature before installing the new script
A.
Install the script's signature before installing the new script
Answers
B.
Ensure the engineer's desktop and the AOS-CX switch are synchronized to the same NTP server
B.
Ensure the engineer's desktop and the AOS-CX switch are synchronized to the same NTP server
Answers
C.
Enable trust settings for the AOS-CX switch's SSL certificate
C.
Enable trust settings for the AOS-CX switch's SSL certificate
Answers
D.
Remove a script that is no longer used before installing the new script
D.
Remove a script that is no longer used before installing the new script
Answers
Suggested answer: D

Which option correctly defines how to identify a VLAN as a voice VLAN on an AOS-CX switch?

A.
Switch(config)# port-access lldp-group <LLDP-group-name>Switch(config-lldp-group)# vlan <VLAN-ID>
A.
Switch(config)# port-access lldp-group <LLDP-group-name>Switch(config-lldp-group)# vlan <VLAN-ID>
Answers
B.
Switch(config)# port-access role <role-name>Switch(config-pa-role)# vlan access <VLAN-ID>
B.
Switch(config)# port-access role <role-name>Switch(config-pa-role)# vlan access <VLAN-ID>
Answers
C.
Switch(config)# vlan <VLAN-ID>Switch(config-vlan-<VLAN-ID>)# voice
C.
Switch(config)# vlan <VLAN-ID>Switch(config-vlan-<VLAN-ID>)# voice
Answers
D.
Switch(config)# vlan <VLAN-ID> voice
D.
Switch(config)# vlan <VLAN-ID> voice
Answers
Suggested answer: C

An administrator will be replacing a campus switching infrastructure with AOS-CX switches that support VSX capabilities. The campus involves a core, as well as multiple access layers. Which feature should the administrator implement to allow both VSX-capable core switches to process traffic sent to the default gateway in the campus VLANs?

A.
VRF
A.
VRF
Answers
B.
VRRP
B.
VRRP
Answers
C.
IP helper
C.
IP helper
Answers
D.
Active gateway
D.
Active gateway
Answers
Suggested answer: D

Explanation:

Active gateway = both devices route/forward traffic VRRP = Active-standbye, only active member routes/forwards traffic Understand the Active Gateway principle In a VSX system, active gateway provides redundant default gateway functionality for the end-hosts. The default gateway of the end-host is automatically handled by both the VSX systems.

What is correct regarding the tunneling of user traffic between AOS-CX switches and Aruba Mobility Controllers (MCs)?

A.
Uses IPSec to protect the management and data traffic
A.
Uses IPSec to protect the management and data traffic
Answers
B.
Uses IPSec to protect the management traffic
B.
Uses IPSec to protect the management traffic
Answers
C.
Supports only port-based tunneling
C.
Supports only port-based tunneling
Answers
D.
Uses the same management protocol as Aruba APs
D.
Uses the same management protocol as Aruba APs
Answers
Suggested answer: D

An administrator is implementing a multicast solution in a multi-VLAN network. Which statement is true about the configuration of the switches in the network?

A.
IGMP snooping must be enabled on all interfaces on a switch to intelligently forward traffic
A.
IGMP snooping must be enabled on all interfaces on a switch to intelligently forward traffic
Answers
B.
IGMP requires join and leave messages to graft and prune multicast streams between switches
B.
IGMP requires join and leave messages to graft and prune multicast streams between switches
Answers
C.
IGMP must be enabled on all routed interfaces where multicast traffic will traverse
C.
IGMP must be enabled on all routed interfaces where multicast traffic will traverse
Answers
D.
IGMP must be enabled on all interfaces where multicast sources and receivers are connected
D.
IGMP must be enabled on all interfaces where multicast sources and receivers are connected
Answers
Suggested answer: C

How is voice traffic prioritized correctly on AOS-CX switches?

A.
By defining device profiles with QOS settings
A.
By defining device profiles with QOS settings
Answers
B.
By placing it in the strict priority queue
B.
By placing it in the strict priority queue
Answers
C.
By implementing voice VLANs
C.
By implementing voice VLANs
Answers
D.
By implementing weighted fair queueing (WFQ)
D.
By implementing weighted fair queueing (WFQ)
Answers
Suggested answer: B

An administrator is replacing the current access switches with AOS-CX switches. The access layer switches must authenticate user and networking devices connecting to them. Some devices support no form of authentication, and some support 802.1X. Some ports have a VoIP phone and a PC connected to the same port, where the PC is connected to the data port of the phone and the phone's LAN port is connected to the switch.

Which statement is correct about this situation?

A.
802.1X must be configured to work in fallback mode
A.
802.1X must be configured to work in fallback mode
Answers
B.
Device fingerprinting is required for authentication
B.
Device fingerprinting is required for authentication
Answers
C.
The client-limit setting for port access needs to be changed
C.
The client-limit setting for port access needs to be changed
Answers
D.
Device mode should be implemented
D.
Device mode should be implemented
Answers
Suggested answer: C

A network engineer for a company with 896 users across a multi-building campus wants to gather statistics on an important switch uplink and create actions based on issues that occur on the uplink.

How often does an NAE agent gather information from the current state database in regard to the uplink interfaces?

A.
Once every 60 seconds
A.
Once every 60 seconds
Answers
B.
Once every 1 second
B.
Once every 1 second
Answers
C.
Once every 30 seconds
C.
Once every 30 seconds
Answers
D.
Once every 5 seconds
D.
Once every 5 seconds
Answers
Suggested answer: D

How does PIM build the IP multicast routing table to route traffic between a multicast source and one or more receivers?

A.
It uses the unicast routing table and reverse path forwarding (RPF)
A.
It uses the unicast routing table and reverse path forwarding (RPF)
Answers
B.
It uses IGMP and calculates a shortest path tree (SPT)
B.
It uses IGMP and calculates a shortest path tree (SPT)
Answers
C.
It uses the shortest path first (SPF) algorithm derived from link state protocols
C.
It uses the shortest path first (SPF) algorithm derived from link state protocols
Answers
D.
It uses the Bellman-Ford algorithm derived from distance vector protocols
D.
It uses the Bellman-Ford algorithm derived from distance vector protocols
Answers
Suggested answer: A

Explanation:

"PIM also relies on the unicast routing tables to identify the path back to a multicast source. This routing method is known as reverse path forwarding (RPF). The unicast routing protocols create the unicast routing tables. With this information, PIM sets up the distribution tree for the multicast traffic.

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