300-820 Practice Test

Refer to the exhibit

While troubleshooting Cisco Jabber login issues, there are some error messages. Why is
the Jabber client unable to sign in?

A.

down Cisco Unified Communications Manager server

B.

XMPP bind failures

C.

incorrect login credentials

D.

service discovery issues

Which two statements about Cisco Webex Video Mesh Nodes are true? (Choose two.)

A.

When Expressway Core works with VMN clusters, Expressway Core decides which
VMN is used for signaling/media connection.

B.

Cloud-registered devices choose a VMN cluster based on the lowest STUN round trip
delay.

C.

The cascading traffic between VMN must bypass the firewall.

D.

When Cisco Unified Communications Manager works with multiple VMNs, Cisco Unified
CM decides which VMN is used for signaling connection.

E.

A VMN can terminate a media connection while operating in maintenance mode

What is the Cisco-recommended key length in bits for a Cisco Expressway certificate?

A.

1024

B.

2048

C.

4096

D.

8192

Refer to the exhibit

If the Webex Teams device cannot connect to Video Mesh Cluster-1 because it is busy, which media node does the Webex Teams device connect to next?

A.

Both Cloud Node US-EAST and US-WEST

B.

Video Mesh Cluster-2

C.

Cloud Node US-EAST

D.

Cloud Node US-WEST

Refer to the exhibit.

Cisco Unified Communications Manager routes the call via the Webex Meetings route list
and route group to the Video Mesh cluster Node#1 in the Video Mesh cluster is hosting the
meeting and has reached full capacity, but other nodes in the cluster still have spare
capacity.
What happens to the participant's call?

A.

Another node in the cluster is used and an intra-cluster cascade between the two Video Mesh nodes is formed.

B.

The call is queued.

C.

The call fails.

D.

Another node in the cluster is used and an intra-cluster cascade between Webex and the new Video Mesh node is formed.