Implementing Cisco Collaboration Cloud and Edge Solutions

Question 1

In Cisco Expressway, which information from an incoming search request does the pre-search transform configuration allow to be modified?

A. called address

B. CUD

C. calling party

D. Source IP address

Correct Answer: A

Question 2

Refer to the exhibit.

Refer to the exhibit. The administrator attempted to log in, but Jabber clients cannot log in via mobile and remote access. How is this issue resolved?

A. Skype for Business mode must be disabled on the DNS server because it conflicts with Jabber login requirements.

B. The username [email protected] is invalid. The user should instead sign-in simply as jabberuser.

C. The domain pod1.local must be deprovisioned from the Webex cloud for Jabber logins.

D. A DNS SRV record must be created for _collab-edge._tls.pod1.local that points to the Expressway-E.

Correct Answer: D

Question 3

Refer to the exhibit.

Which two outbound connections should an administrator configure on the internal firewall? (Choose two.)

A. Media: UDP 36012 to 59999

B. XMPP: TCP 7400

C. SIP TCP 5061

D. SIP: TCP 7001

E. HTTPS: TCP 8443

Correct Answer: B,D

Question 4

Refer to the exhibit.

Refer to the exhibit. An administrator troubleshoots Cisco Jabber users experiencing issues when trying to log in and notices errors in the Jabber problem report log. The administrator also sees that the Intercluster Sync Agent service is not running on the IM and Presence server. Why is the Jabber client unable to sign in?

A. The Jabber client refused the XMPP bind connection.

B. The XmppSDK.dll file is missing from the IM and Presence server.

C. The XMPP bind failed on the IM and Presence server.

D. The XMPP stanza is not using the correct ID for the Jabber client.

Correct Answer: C

Question 5

An engineer must review a new traversal zone that is not establishing a successful connection between Expressway-C and Expressway-E. When the event log page on the Expressway-E is reviewed, an authentication failure is found with the detail "user not found". Which two actions must the engineer take to resolve the issue? (Choose two.)

A. Ensure that the authentication credentials configured on both zones to match.

B. Ensure that the authentication credentials exist on the Expressway-C local database.

C. Ensure that LDAP is properly configured and synchronized on the Expressway-E.

D. Disable TLS verification on the Expressway-E.

E. Ensure that the authentication credentials exist on the Expressway-E local database.

Correct Answer: A,E

Question 6

An Expressway Server has both network protocols (IPv4 and IPv6) enabled. Which two behaviors are correct? (Choose two.)

A. Endpoints register only with IPv6 addresses on an Expressway Server with IPv6 protocol enabled regardless of the state of IPv4 protocol.

B. Endpoints register with either IPv4 or IPv6 addresses, but dual-stack endpoints choose IPv6 protocol by default.

C. If the calling endpoint is on an IPv4-Only network and the called endpoint is on an IPV6-Only network, a NAT64 device must convert the IPv4 addresses to IPv6 addresses.

D. Endpoints register with either IPv4 or IPv6 addresses, and endpoints decide which protocol to use by the format of the configured Expressway Server IP address.

E. If the calling endpoint is on an IPv4-Only network and the called endpoint is on an IPv6-Only network, the Expressway Server act as a gateway and convert the two protocol versions.

Correct Answer: D,E

Question 7

Which step is taken when configuring a Cisco Expressway solution?

A. Configure the Expressway-E by using a non-traversal server zone.

B. Disable H.323 mode on the Expressway-E.

C. Enable H.323 H.460.19 demultiplexing mode on the Expressway-C.

D. Enable static NAT on the Expressway-E only.

Correct Answer: D

Question 8

Which step is required when configuring cloud and hybrid deployments for Cisco Jabber?

A. Add the Jabber user to Cisco Unity Connection.

B. Add Jabber Users to the Cisco Webex Administration Tool.

C. Add the Jabber user to Expressway-C.

D. Add the Jabber user to Expressway-E.

Correct Answer: B

Question 9

What is the purpose of a transform in the Expressway server?

A. A transform changes an alias that matches certain criteria into another alias.

B. A transform has the function as a neighbor zone in the Expressway. It creates a connection with another server.

C. A transform is used to route calls to a destination.

D. A transform changes the audio codec when the call goes through the Expressway.

Correct Answer: A

Question 10

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

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

B. Expressway Edge must use public CA signed certificate.

C. Expressway Core can use private CA signed certificate.

D. You must upload the root certificates in the phone trust store.

E. Expressway must generate certificate signing request.

Correct Answer: A,C

Question 11

An external Jabber device cannot register. While troubleshooting this issue, the engineer discovers that privately signed certificates are being used on Expressway-C and Expressway-E What action will resolve this issue?

A. The private CA certificate must be placed in the phone trust store.

B. The Jabber client must register to the Cisco UCM internally before it will register externally.

C. The device running the Jabber client must use a VPN to register.

D. The device running the Jabber client must download and trust the private CA certificate.

Correct Answer: D

Question 12

Which attribute in the SDP for a call is affected by the static NAT address configuration in an Expressway-E?

A. version

B. name

C. connection

D. bandwidth

Correct Answer: B

Question 13

Which zone is required between Expressway-E and Expressway-C in Mobile and Remote Access deployments?

A. neighbor zone

B. traversal zone

C. DNS zone

D. Unified Communications traversal zone

Correct Answer: D

Cisco Implementing Cisco Collaboration Cloud and Edge Solutions - 300-820 Exam Practice Test

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