Our pass rate is high to 98.9% and the similarity percentage between our 400-051 study guide and real exam is 90% based on our seven-year educating experience. Do you want achievements in the Cisco 400-051 exam in just one try? I am currently studying for the Cisco 400-051 exam. Latest Cisco 400-051 Test exam practice questions and answers, Try Cisco 400-051 Brain Dumps First.
Q101. Which statement about the Cisco UC on UCS TRC and the third-party server specs-based virtualization support model is true?
A. Both the UC on UCS TRC and the third-party servers spec-based support models have rule-based approaches.
B. The UC on UCS TRC support model has a rule-based approach and the third-party servers spec-based support model has a configuration-based approach.
C. The UC on UCS TRC support model requires a high level of virtualization experience while the third-party server spec-based support model requires a low to medium level virtualization experience.
D. VMware vCenter is mandatory for the UC on UCS TRC support model but it is optional for the third-party server spec-based support model.
E. VMware vCenter is optional for the UC on UCS TRC support model but it is mandatory for the third-party server spec-based support model.
Answer: E
Q102. Which two Cisco Unified Communications Manager SIP profile configuration parameters for a SIP intercluster trunk are mandatory to enable end-to-end RSVP SIP Preconditions between clusters? (Choose two.)
A. Set the RSVP over SIP parameter to Local RSVP.
B. Set the RSVP over SIP parameter to E2E.
C. Set the SIP Rel1XX Options parameter to Disabled.
D. Set the SIP Rel1XX Options parameter to Send PRACK If 1xx Contains SDP.
E. Set the SIP Rel1XX Options parameter to Send PRACK for All 1xx Messages.
F. Check the Fall Back to Local RSVP check box.
Answer: BD
Q103. The iLBC codec operates at 38 bytes per sample per 20-millisecond interval. What is its codec bit rate in kilobits per second?
A. 6.3
B. 13.3
C. 15.2
D. 16
E. 24
Answer: C
Q104. How many music on hold servers are required in a trunk-only megacluster of Cisco Unified Communications Manager Session Management Edition?
A. 0
B. 1
C. 2
D. 3
E. 4
Answer: A
Q105. Refer to the exhibit.
If this SIP call is initiated using early 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
Q106. Which two categories are state-based greetings on Cisco Unity Express? (Choose two.)
A. Meeting
B. Vacation
C. Internal
D. Closed
E. Alternate
F. Extended Absence
Answer: CD
Q107. Which SIP request is used by Cisco Unified Communications Manager to signal DND status changes to a Cisco 9971 IP Phone?
A. OPTIONS
B. NOTIFY
C. INFO
D. REFER
E. UPDATE
Answer: D
Q108. Refer to the exhibit.
Which ephone-dn can join the hunt group whenever a wild card slot becomes available?
A. ephone-dn 1
B. ephone-dn 2
C. ephone-dn 3
D. ephone-dn 4
E. ephone-dn 6
Answer: C
Q109. Which two data frame lengths are supported by iLBC? (Choose two.)
A. 10 milliseconds
B. 20 milliseconds
C. 30 milliseconds
D. 40 milliseconds
E. 50 milliseconds
F. 60 milliseconds
Answer: BC
Q110. Which four attributes are needed to determine the time to complete a TFTP file transfer process? (Choose four.)
A. file size
B. file type
C. network interface type
D. round-trip time
E. packet loss percentage
F. response timeout
G. network throughput
Answer: ADEF