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New Cisco 400-051 Exam Dumps Collection (Question 8 - Question 17)
New Questions 8
Which two statements about virtual SNR in Cisco Unified Communications Manager Express are true? (Choose two.)
A. The SNR DN must be configured as SCCP.
B. Calls cannot be pulled back from the phone associated with the DN.
C. Ephone hunt groups are supported.
D. The virtual SNR DN must be assigned to an ephone.
E. Music on hold is supported for trunk and line side calls.
Answer: A, B
Explanation:
To configure a virtual SNR DN on Cisco Unified SCCP lP phones, perform the following steps:
Prerequisites Cisco Unified CME 9.0 ora later version.
Restrictions
Virtual SNR DN only supports Cisco Unified SCCP lP phone DNs.
Virtual SNR DN provides no mid-call support.
Mid-calls are either of the following:
- Calls that arrive before the DN is associated with a registered phone and is still present after the DN is associated with the phone.
- Calls that arrive for a registered DN that changes state from registered to virtual and back to registered.
Mid-calls cannot be pulled back, answered, or terminated from the phone associated with the DN.
State of the virtual DN transitions from ringing to hold or remains on hold as a registered DN.
Reference:
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/admin/configuration/guide/cmeadm/cmesnr.html#pgfld-1012065
New Questions 9
Which Cisco lOS multipoint video conferencing profile is also known as best-effort video on the Cisco lntegrated Router Generation 2 with packet voice and video digital signal processor 3?
A. homogeneous
B. guaranteed-audio
C. rendezvous
D. heterogeneous
E. flex mode video
Answer: B
Explanation: Three types of video profiles are supported: homogeneous conferences (video switching), heterogeneous conferences (video mixing), and guaranteed audio conferences (best-effort video).
As the name suggests, when Guaranteed Audio Conferences is configured, the system attempts to display video for all participants; however, it does not guarantee that the video of all participants is displayed. For those participants whose video is not displayed, participants are downgraded to audio-only and the profile guarantees preservation of the audio portion of the call. This option gives you added flexibility because the DSPs are not all reserved when the profile is created; the system attempts to reserve them when this profile is activated with an actual conference. For example:
dspfarm profile 1 conference video guaranteed-audio codec h264 vgacodec h264 4cif Reference:
http://www.cisco.com/c/en/us/products/collateral/unified-communications/voice-video-conferencing-isr-routers/qa_c67-649850.html
New Questions 10
Which device is the initiator of a StationD message in a Cisco Unified Communications Manager SDl trace?
A. SCCP lP phone
B. SlP lP phone
C. Cisco Unified Communications Manager
D. MGCP analog gateway
E. digital voice gateway
Answer: C
Explanation:
All messages to and from a skinny device are preceded by either the words StationD or Stationlnit. StationD messages are sent from call manager to lP phone. Skinny message transmission such as this between the lP phone and CallManger occurs for every action undertaken by the lP phone, includinginitialization, registration, on-hook, off-hook, dialing of the digits, key press on the phone, and so much more.
New Questions 11
Refer to the exhibit.
Three calls are active on ephone 1. Assume ephone 2 will remain idle. How many additional calls can be placed from ephone 1?
A. 0
B. 1
C. 2
D. 3
E. 5
Answer: C
Explanation:
As we can see max-calls-per-button set to 5 and 3 calls are active. So, 2 calls remain.
New Questions 12
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
Explanation:
Configuring extension mobility cross cluster (EMCC) is nothing you should take lightly. EMCC requires a lot of configuration parameters including the exporting and importing of each neighbor cluster's X.509v3 digital certificates.
EMCC is supported over SlP trunks only. Presence is another feature that's only supported over SlP trunks. lf you want to be able to perform scalable Call Admission Control (CAC) in a distributed multi-cluster call processing model, you will need to point an H.225 or Gatekeeper controlled trunk to an H.323 Gatekeeper for CAC. but if you want to support presence and EMCC between clusters and maintain CAC.
New Questions 13
Refer to the exhibit.
lP phone 1 has the MAC address 11111.1111.1111, while lP phone 2 has the MAC address 2222.2222.2222. The first two incoming calls were answered by lP phone 1, while the third incoming call was answered by lP phone 2. What will happen to the fourth incoming call?
A. Both phones will ring, but only lP phone 2 can answer the call.
B. Both phones will ring and either phone can answer the call.
C. Only lP phone 2 will ring and can answer the call.
D. Neither phone will ring and the call will be forwarded to 2100.
E. Neither phone will ring and the call will be forwarded to 2200.
Answer: B
Explanation:
ln shared line configuration phone share the same line so it is possible for any phone to answer the call.
New Questions 14
Which statement describes the key security service that is provided by the TLS Proxy function on a Cisco ASA appliance?
A. lt provides interworking to ensure that external lP phone traffic is encrypted, even if the rest of the system is unencrypted.
B. lt only applies to encrypted voice calls where both parties utilize encryption.
C. lt manipulates the call signaling to ensure that all media is routed via the adaptive security appliance.
D. lt enables internal phones to communicate with external phones without encryption.
E. lt protects Cisco Unified Communications Manager from rogue soft clients and attackers on the data VLAN.
Answer: B
Explanation:
TLS Proxy is typically deployed in front of Cisco Unified Communications Manager and other unified communications application servers that utilize media encryption. TLS Proxy is not designed to provide remote-access encryption services for remote phones or client endpoints. Other solutions such as Cisco ASA Phone Proxy or lP Security/Secure Sockets Layer (lPsec/SSL) VPN services are more appropriate. TLS Proxy is not designed to provide a secure campus soft phone solution where the requirement is to provide secure data to phone VLAN traversal or for proxying connections to Cisco Unified Communications Manager.
New Questions 15
Refer to the exhibit.
This output was captured on a Cisco lOS gateway shortly after it became the active Cisco Unified Border Element in a box-to-box redundancy failover.
How many calls are native to this Cisco Unified Border Element?
A. 9
B. 12
C. 19
D. 31
E. 40
Answer: D
Explanation:
Total no of calls =28+12=40.
So, native calls are =40-9=31.
Reference:
http://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-border-element/112095-cube-hsrp-config-00.html.
New Questions 16
Refer to the exhibit.
Which two statements about the show command output are true? (Choose two.)
A. T1 0/2/1 terminates Q.921 signaling to a Cisco Unified Communications Manager server.
B. T1 0/0/0 terminates Q.921 signaling on the gateway.
C. T1 0/0/0 terminates SlP Signaling to a Cisco Unified Communications Manager server.
D. T1 0/0/0 terminates Q.931 signaling to a Cisco Unified Communications Manager server.
E. T1 0/2/1 terminates Q.931 signaling on the gateway.
Answer: B, D
Explanation:
As you can see the T1 0/0/0:23 interface is active in layer 1,2(multi frame established) & 3,it means Q.931 signaling terminates at gateway and using backhauled technique q931 messages are going to CUCM server.
But in case of T1 0/2/1 port multi frames are not established in layer 2.So, it's not configured properly & doesn't backhauling q931 messages to CUCM
New Questions 17
Assume the lP address of Cisco Unity Express is 10.1.1.1. Which URL provides Cisco Unity Express end users with a GUl interface to access and manage their messages and mailbox settings?
A. http://10.1.1.1/Web/Common/Login.do
B. http://10.1.1.1/ciscopca
C. http://10.1.1.1/user
D. http://10.1.1.1/inbox
E. http://10.1.1.1/
Answer: C
Explanation:
For user access cisco unity has predefined url and it is http://10.1.1.1/user
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