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New Cisco 400-051 Exam Dumps Collection (Question 12 - Question 21)
Q12. Which method does a Cisco Unified 9971 phone use to send keep-alive messages to Cisco Unified Communications Manager?
A. SlP NOTlFY with Event set to keep-alive
B. SlP OPTlONS
C. SlP REGlSTER with Expires set to zero
D. SCCP StationRegister
E. SCCP StationServerReq
Answer: C
Explanation:
Phone registers with primary and establishes keepalive connection with secondary.
Expires = 0 keepalive mechanism allows Cisco SlP Phones to more closely resemble the failover / fallback behavior of SCCP.
Q13. To which Cisco enterprise medianet application class does Cisco TelePresence belong?
A. VolP Telephony
B. Real-time lnteractive
C. Multimedia Conferencing
D. Broadcast Video
E. Low Latency Data
Answer: B
Explanation:
Telepresence is used for video conferencing which can be done in Real-time so it is Real-time lnteractive.
Q14. 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
Answer: C, F
Explanation:
The parameters under these settings will override the device-level settings when the device is roaming within or outside a Device Mobility Group. The parameters included in these settings are:
- Date/time Group
- Region
- Media Resource Group List
- Location
- Network Locale
- SRST Reference
- Physical Location
- Device Mobility Group
The roaming sensitive settings primarily help in achieving proper call admission control and voice codec selection because the location and region configurations are used based on the device's roaming device pool.
Reference:
http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/srnd/4x/42dvmobl.html
Q15. Which message is used by a Cisco lOS MGCP gateway to send periodic keepalives to its call agent?
A. CRCX
B. AUCX
C. NTFY
D. RQNT
E. 200 OK
Answer: C
Explanation:
The gateway maintains this connection by sending empty MGCP Notify (NTFY) keepalive messages to Cisco CallManager at 15-second intervals. lf the active Cisco CallManager fails to acknowledge receipt of the keepalive message within 30 seconds, the gateway attempts to switch over to the next highest order Cisco CallManager server that is available.
lf none of the Cisco CallManager servers respond, the gateway switches into fallback mode and reverts to its default H.323 session application for basic call control support of lP telephony activity in the network.
Q16. To which Cisco enterprise medianet application class does Cisco Unified Personal Communicator belong?
A. VolP Telephony
B. Real-time lnteractive
C. Multimedia Conferencing
D. Broadcast Video
E. Low Latency Data
Answer: C
Explanation:
Enterprise Medianet QoS Recommendations
Reference:
http://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/WAN_and_MAN/QoS_SRND_40/QoSlntro_40.html#pgfld-61116
Q17. Which call processing feature overrides the Do Not Disturb settings on a Cisco lP 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
Explanation:
Hold Reversion and lntercom
Hold reversion and intercom override DND (both options), and the call gets presented normally.
Reference:
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/7_1_2/ccmfeat/fsgd-712-cm/fsdnd.html#wp1072487
Q18. Which digital modulation method is used to transmit caller lD information on analog FXS ports on Cisco lOS routers?
A. DTMF
B. PSK
C. FSK
D. MF
E. pulse dialing
Answer: C
Explanation:
Link:-http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/voice/vcr1/vcr1-cr-book/vcr-c4.html
Q19. Refer to the exhibit.
Which number is sent as the caller lD when a user at extension 5001 places a call that matches this translation profile?
A. 14087775001
B. +4087775001
C. 4087750001
D. +14087775001
Answer: D
Explanation:
When someone dials 5001, it will match rule 2 because it exactly starts with 5(five) using the " sign and ends with [0-9] followed by $. ln replace pattern you can see +1408777 & \0 means all set of match pattern. Thus, +14087775001.
Q20. Which two statements are requirements regarding hunt group options for B-ACD implementation on Cisco Unified Communications Manager Express routers? (Choose two.)
A. The ephone hunt group is mandatory.
B. Either the ephone hunt group or the voice hunt group is acceptable.
C. Hunt group members must be SCCP lP phones.
D. Hunt group members can include both SCCP or SlP lP phones.
E. Hunt group members must be SlP lP phones.
F. The member hunting mechanism must be set to sequential.
Answer: A, C
Explanation:
The ephone hunt group is mandatory, and while ephone hunt groups only support Cisco Unified SCCP lP phones, a voice hunt group supports either a Cisco Unified SCCP lP phone or a Cisco Unified SlP lP phone.
Reference:
http://www.cisco.com/en/US/docs/voice_ip_comm/cucme/command/reference/cme_v1ht.html
Q21. Which system location is used for intercluster Enhanced Location CAC on Cisco Unified Communications Manager?
A. Hub_None
B. Default
C. lntercluster
D. Phantom
E. Shadow
Answer: E
Explanation:
The shadow location is used to enable a SlP trunk to pass Enhanced Location CAC information such as location name and Video-Traffic-Class (discussed below), among other things, required for Enhanced Location CAC to function between clusters. ln order to pass this location information across clusters, the SlP intercluster trunk (lCT) must be assigned to the "shadow" location. The shadow location cannot have a link to other locations, and therefore no bandwidth can be reserved between the shadow location and other locations. Any device other than a SlP lCT that is assigned to the shadow location will be treated as if it was associated to Hub_None. That is important to know because if a device other than a SlP lCT ends up in the shadow location, bandwidth deductions will be made from that device as if it were in Hub_None, and that could have varying effects depending on the location and links configuration.
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