Cisco 300-820 CLHCT Exam Questions Instant Access

Question 1

How do the Cisco Expressway-C and Expressway-E servers transmit media to each other?

ARTP and RTCP are multiplexed for all internal and external video endpoints across the traversal link using UDP.

BWhen the Expressway-C receives RTP and RTCP media, it establishes a new UDP socket with the Expressway-E.

CRTP and RTCP are multiplexed for all internal and external video endpoints across the traversal link using TLS.

DWhen the Expressway-E receives RTP and RTCP media, it establishes a new UDP socket with the Expressway-C.

Answer : B

Question 2

An administrator is deploying Cisco Expressways for Mobile and Remote Access. The registration domain is ''example.com'', and the Expressway-E FQDN is ''expe.example.com''. Cisco Jabber clients on the internet cannot discover services via DNS lookup. Which SRV records must be configured in the public DNS to allow Service Discovery?

A_collab-edge._tls.example.com

B_cisco-uds._tcp.expe.example.com

C_cisco-uds._tcp.example.com

D_collab-edge._tls.expe.example.com

Answer : A

Question 3

An administrator must configure the DNS SRV records for Mobile and Remote Access for a company with the domain example.com, the Expressway-E FQDN is ExpE.example.com, and the Expressway-C FQDN is Exp-C.example.com. What must the administrator configure to allow external clients to discover the Expressway-E server?

ASRV record _collab-edge._tls.example.com that resolves to ExpE.example.com on port 8443

BSRV record _cisco-uds._tcp.example.com that resolves to ExpE.example.com on port 5061

CSRV record _cisco-uds._tcp.example.com that resolves to ExpC.example.com on port 8443

DSRV record _collab-edge._tls.example.com that resolves ta ExpE.example.com on port 5061

Answer : A

Question 4

Which two statements about Mobile and Remote Access certificate are true? (Choose two.)

AExpressway Core can use private CA signed certificate.

BYou must upload the root certificates in the phone trust store.

CExpressway must generate certificate signing request.

DExpressway Edge must use public CA signed certificate.

EThe Jabber client can work with public or private CA signed certificate.

Answer : A, E

Question 5

What is a key configuration requirement for Hybrid Message Service High Availability deployment with multiple IM and Presence clusters?

AYou must have the Intercluster Sync Agent working across your IM and Presence clusters.

BYou must have the Intercluster Lookup Service working across all of your IM and Presence clusters.

CYour IM and Presence Service clusters must have Multiple Device Messaging disabled.

DAXL service should be activated only on the publisher of each IM and Presence cluster.

Answer : A

Question 6

Which 16-digit number is unique to a serial number and is used to enable the system?

ARMS license key

Boption key

Crelease key

DExpressway series

Answer : C

Question 7

An administrator deployed the directory connector to synchronize the on-premises Active Directory with the Webex cloud and needs to map attributes from the AD to the corresponding attributes in the cloud. To which Webex cloud attribute must the user Account Control attribute be mapped to ensure that users are synced properly?

AgivenName

Bds-pwp-account-disabled

CSipAddresses:type=enterprise

DdisplayName

Answer : D

Cisco Implementing Cisco Collaboration Cloud and Edge Solutions 300-820 CLHCT Exam Questions