CCIE Collaboration Written: 400-051 Exam
400-051 Questions & Answers
Exam Code: 400-051
Exam Name: CCIE Collaboration Written
Q & A: 162 Q&As
Which two statements describe security services that are provided by the Phone Proxy function on a Cisco ASA appliance? (Choose two.)
A. it is supported only on phones that use SCCP.
B. It is supported on an adaptive security appliance that runs in transparent mode.
C. It provides interworking to ensure that the external IP phone traffic is encrypted, as long as the Cisco Unified Communications Manager cluster runs in secure mode.
D. It provides a proxy of phone signaling, with optional use of NAT, to hide the Cisco Unified Communications Manager IP address from the public Internet.
E. it proxies phone media so that internal phones are not directly exposed to the Internet.
F. it supports IP phones that send phone proxy traffic through a VPN tunnel.
Which two SDP content headers can be found in a SIP INVITE message? (Choose two.)
C. Connection Info
D. Media Attributes
Which two Device Pool configuration settings will override the device-level settings when a device is roaming within or outside a device mobility group? (Choose two.)
A. Adjunct CSS
B. Device Mobility CSS
C. Network Locale
D. Called Party Transformation CSS
E. AAR CSS
F. Device Mobility Group
When Cisco Unity Connection users attempt to connect using Web Inbox and receive a Site Is Unavailable error message, which service status should be verified?
B. Connection Exchange Notification Web Service
C. Connection Voicemail Web Service
D. Connecti on Administration
E. Secured Web Server
Which type of mailbox on Cisco Unity Express can play a user greeting and disconnect the call, but cannot take or send messages?
A. PIN-less mailbox
B. announcement-only mailbox
C. general delivery mailbox
D. call-handling mailbox
E. personal mailbox
Which Cisco Unity Connection call hander greeting, when enabled, overrides all other greetings?
Refer to the exhibit. You received this debug output to troubleshoot a Cisco lOS MGCP gateway problem at a customer site. Which statement about this endpoint on the Cisco MGCP gateway is true?
A. This endpoint is on a T1 Controller 0/1/0.
B. This endpoint is on an E1 Controller 0/1/0.
C. This endpoint is on a T1 Controller 0/1/1.
D. This endpoint is on an E1 Controller 0/1/2
E. This endpoint is on an T1 Controller 0/1/2.
Which ITU-T recommendation defines the procedures for using more than one video channel in H.320-based systems?
Refer to the exhibit. Assuming this NFAS-enabled T1 PRI configuration on a Cisco IOS router is fully functional, what will the controller T1 1/1 D-channel status be in the output of the show isdn status command?
Which SIP request method enables reliability of SIP 1xx response types?
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