Question 1

An engineer is configuring the Expressway cluster to allow Jabber clients that are outside the enterprise network to register, make calls, and send instant messages using the internal Cisco UCM. Which action must be taken before a secure UC traversal zone is added to the Expressway-C?

Options :

A : Add Instant Message and Presence service clusters.

B : Add a Cisco UCM cluster.

C : Configure SIP OAuth mode.

D : Establish certificate trust between the Expressway-C and Expressway-E.

Answer: D

Question 2

Refer to the exhibit.

When configuring a search rule that routes calls to a zone, what occurs when 13358 is dialed?

Options :

A : 13358 is replaced by 135, and then is sent to the local zone.

B : 13358 is replaced by 135 and remains in the same zone.

C : 13358 is replaced by 135, and then is sent to the traversal zone.

D : 13358 is sent directly to the traversal zone.

Answer: C

Question 3

An administrator is configuring DNS to allow Mobile and Remote Access logins for the domain cisco.com. Where must the _collab-edge_tls.cisco.com DNS SRV record be configured?

Options :

A : in the public DNS server

B : in DNS SRV settings under Cisco Unified OS Administration in Cisco UCM

C : in DNS settings in the Expressway-E on the interface that faces the Internet

D : in DNS settings under Cisco Unified OS Administration in Cisco UCM

Answer: A

Question 4

Which two licenses are required for the Expressway B2B feature to work? (Choose two)

Options :

A : Traversal Server

B : Advanced Networking

C : Device Provisioning

D : Rich Media Sessions

E : TURN Relays

Answer: A,D

Question 5

Refer to the exhibit. After hardening the Cisco Expressway, an engineer noticed this error in the logs HTTP error 429 "Too Many Requests,” and users report that authentication is not possible on more than two devices. What must the engineer increase to correct the issue?

Options :

A : maximum authorizations per period

B : credentials refresh interval

C : rate control period

D : credentials cleanup interval

Answer: A

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