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2016 Oct 400-051 download:
Q21. 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?
B. 180 Ringing
C. 200 OK
E. RTP Media
Q22. Which mechanism enables the Cisco Unified CCX Cisco Agent Desktop application to obtain a copy of the RTP packet stream directly from a supported IP phone?
A. SPAN port monitoring
B. desktop monitoring
C. remote SPAN monitoring
D. reflector port monitoring
E. ESPAN monitoring
Q23. Which three Cisco Unity Connection call handler greetings can be overridden by the internal greeting? (Choose three.)
Q24. Which option is a characteristic of the Enhanced Location Call Admission Control mechanism on Cisco Unified Communications Manager?
A. It accounts for network protocol rerouting.
B. It accounts for network downtime and failures.
C. It supports dynamic bandwidth adjustments based on WAN topology changes.
D. It supports asymmetric media flows such that different bit rates in each direction are deducted accordingly.
E. Unidirectional media flows are deducted as if they were bidirectional.
Q25. 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.
Down to date 400-051 vce:
Q26. Which Cisco Unity Connection call handler message is played when a caller enters a string of digits that is not found in the search scope?
Q27. Which two VoIP protocols use SDP to describe streaming media sessions? (Choose two.)
Q28. Which two security services are provided by the Phone Proxy function on a Cisco ASA appliance? (Choose two.)
A. It provides interworking to ensure that external IP phone traffic is encrypted, as long as the Cisco Unified Communications Manager cluster runs in secure mode.
B. It only applies to encrypted voice calls where both parties utilize encryption.
C. It manipulates the call signaling to ensure that all media is routed via the adaptive security appliance.
D. It supports encrypted TFTP operation of IP phone configuration files.
E. It intercepts and authenticates soft clients before they reach Cisco Unified Communications Manager clusters.
F. It requires a remote routing device with an IPsec VPN tunnel.
Q29. 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. Assuming the provided configurations exist at the phone line level and multicast MOH is disabled clusterwide, what will happen when the user of IP Phone A presses the Transfer softkey?
A. The IP Phone B user hears audio source 3 from MOH Server A.
B. The IP Phone B user hears audio source 4 from MOH Server B.
C. The IP Phone B user hears audio source 3 from MOH Server B.
D. The IP Phone B user hears audio source 2 from MOH Server B.
E. The IP Phone A user hears no on-hold music.
Q30. Which SIP request method enables reliability of SIP 1xx response types?
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