Online Access Free Cisco.300-820.v2022-11-11.q77 Practice Test (Page 5)

300-820 Exam Question 16

A Jabber user is being prompted to trust the Expressway-E certificate when using Mobile and Remote Access.
The administrator has validated that the Expressway-E certificate is being trusted by the machine running the Jabber client.
What else can be done to solve this problem?

A.Change the FQDN of the Expressway.

B.Create a new CSR with new information on the SAN field.

C.Change the domain name.

D.Include Cisco Unified Communications Manager registration domain in the Expressway-E certificate as a SAN.

300-820 Exam Question 17

Refer to the exhibit.

Mobile Cisco Jabber cannot register with on-premises Cisco Unified Communications Manager using Mobile and Remote Access. Some logs were captured on Expressway Edge.
Which action corrects this problem?

A.Ensure that the _cisco-uds SRV record has been configured.

B.Ensure that the peer address does not match the Common Name on certificate.

C.Ensure that the SIP domains are added on Expressway Core.

D.Ensure that the credential has been entered correctly.

300-820 Exam Question 18

What are two reasons why port 8443 is unreachable from the Internet to the Expressway-E? (Choose two.)

A.The MRA license is missing on the Expressway-E.

B.Transform is not configured on Expressway-E.

C.The firewall is blocking the port.

D.The Unified Communications zone is down.

E.The SRV record for _cisco-uds is misconfigured.

300-820 Exam Question 19

Which two statements about Expressway media traversal are true? (Choose two.)

A.Expressway Control is the traversal server installed in the DMZ.

B.The Expressway Edge must be put in a firewall DMZ segment.

C.Cisco Unified Communications Manager zone can be either traversal server or client.

D.The Unified Communications traversal zone can be used for Mobile and Remote Access.

E.Both Expressway Edge interfaces can be NATed.

300-820 Exam Question 20

Which media encryption mode can be configured on an Expressway zone?

A.Triple Data Encryption Standard

B.force unencrypted

C.Advanced Encryption Standard

D.IPsec

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300-820 Exam Question 16

300-820 Exam Question 17

300-820 Exam Question 18

300-820 Exam Question 19

300-820 Exam Question 20

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