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2021 Mar 400-051 testing engine
Q91. What is the maximum number of Cisco Unified Communications Manager subscriber pairs in a megacluster deployment?
A. 4
B. 8
C. 12
D. 16
E. 32
Answer: B
Q92. Which Call Admission Control mechanism is supported for the Cisco Extension Mobility Cross Cluster solution?
A. Location CAC
B. RSVP CAC
C. H.323 gatekeeper
D. intercluster Enhanced Location CAC
E. visiting cluster's LBM hub
Answer: B
Q93. Which statement describes the Maximum Serving Count service parameter of the Cisco TFTP service on Cisco Unified Communications Manager?
A. It specifies the maximum number of files in the TFTP server disk storage.
B. It specifies the maximum number of TFTP client requests to accept and to serve files at a given time.
C. It specifies the maximum file support by the Cisco TFTP service.
D. It specifies the maximum file counts, in cache as well as in disk, that are supported by the Cisco TFTP service.
E. It specifies the maximum number of TFTP client requests to accept and to serve files in a 120-minute window.
Answer: B
Q94. When IP phone A was provisioned in a Cisco Unified Communications Manager, 2001 was configured as the directory number for its first line. Also, bob@cisco.com was defined as the only directory URI on the Directory Number configuration page for this line. A few days later, an end user was created in the same Cisco Unified Communications Manager and was associated with the same phone with the primary extension set to 2001. Also, bobby@cisco.com was defined as a directory URI for that end user.
Which option about the primary directory URI for IP phone A is true?
A. bob@cisco.com
B. bobby@cisco.com
C. It depends on which radio button was selected next to the Directory URI entries on the Directory Configuration page.
D. Both are primary directory URIs in a manner like a shared line for DNs.
E. Neither are primary directory URIs for IP phone A.
Answer: B
Q95. To which SIP response class do the SIP response codes 300 to 399 belong?
A. Provisional
B. Client Failure
C. Server Failure
D. Successful
E. Redirection
Answer: E
Updated 400-051 download:
Q96. Refer to the exhibit.
Assume the B-ACD configuration on a Cisco IOS Cisco Unified Communications Manager Express router is operational. What will happen to a call in queue that was not answered by any member of the hunt group after the maximum amount of time allowed in the call queue expires?
A. The call will be forwarded to extension 2120.
B. The call will be forwarded to extension 2220.
C. The call will be forwarded to extension 2003.
D. The call will be disconnected with user busy.
E. The call will be forwarded to 2100.
Answer: B
Q97. Which call processing feature overrides the Do Not Disturb settings on a Cisco IP phone?
A. park reversion for remotely parked calls by a shared line
B. hold reversion
C. remotely placed pickup request by a shared line
D. pickup notification
E. terminating side of a call back
Answer: B
Q98. Refer to the exhibit.
If this SIP call is initiated using delayed offer, which SIP message will UA#2 use to communicate its media capability to UA#1?
A. INVITE
B. 180 Ringing
C. 200 OK
D. ACK
E. RTP Media
Answer: C
Q99. Which SIP message element is mapped to QSIG FACILITY messages being tunneled across a SIP trunk between two Cisco IOS gateways?
A. SIP UPDATE
B. SIP OPTIONS
C. SIP SUBSCRIBE
D. SIP INFO
E. SIP NOTIFY
Answer: D
Q100. Refer to the exhibit.
All displayed devices are registered to the same Cisco Unified Communications Manager server and the phones are engaged in an active call. Assume that the provided configurations exist at the phone line level and multicast MOH is disabled cluster wide.
Which description of what happens when the user of IP phone B presses the Transfer soft key is true?
A. IP phone A user hears audio source 3 from MOH server A.
B. IP phone A user hears audio source 4 from MOH server B.
C. IP phone A user hears audio source 3 from MOH server B.
D. IP phone A user hears tone on-hold beep tones.
E. IP phone A user hears no on-hold music or beep tones.
Answer: E