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New Cisco 400-051 Exam Dumps Collection (Question 4 - Question 13)

Question No: 4

Refer to the exhibit.

Which three wireless security modes allow the user to enter user and password authentication on a Cisco 9971 lP Phone?

A. Shared Key

B. EAP-FAST

C. Open with WEP

D. Open

E. LEAP

F. AKM

Answer: BEF

Question No: 5

Which two power saving parameters are available on a Cisco 9971 lP Phone only when it is connected to a Cisco switch with the EnergyWise feature enabled? (Choose two)

A. Enable Power Save Plus

B. Power Negotiation

C. Phone On Time

D. Display on Time

E. LLDP Power Priority

F. Day Display Not Active

Answer: AC

Question No: 6

Refer to the exhibit.

What happens to the USB e-token after the administrator fails to enter the correct password at the next attempt?

A. The token is locked for five days, after which the retry counter resets.

B. The token is locked until unlocked by Cisco TAC.

C. The token is locked until Cisco CTL Client is uninstalled and reinstalled on the client PC.

D. The token cannot be used on the same client PC again. lt can be used with another Cisco CTL Client on a different PC.

E. The token is locked forever.

Answer: E

Question No: 7

The Cisco Unified Border Element is configured using high availability with the Hot Standby Routing Protocol.

Which two pieces of information can be gathered about the calls traversing these border elements? (Choose two.)

A. The total number of calls is 150.

B. The number of non-native calls is 70.

C. The number of native calls is 501 .

D. The number of calls preserved is 220.

E. The total number of active calls is 100.

Answer: AB

Explanation:

To check for native and nonnative (preserved) calls when both are present

The numbers of calls on the system are shown as follows:

Total number of calls = "Number of calls in HA DB" + "Number of calls in HA sync pending DB". This is 100 + 50 = 150 in

the example output below.

Total number of preserved (nonnative) calls = "Number of calls in HA preserved session DB". This is 70 in the example output below.

Total number of native calls (calls set up since the failover and therefore not preserved over the failover) is the difference in the previous two numbers. ln this example, it is 150 - 70 = 80.

XFR-2#show voice high-availability summary

======== Voice HA DB lNFO ========

Number of calls in HA DB: 100

Number of calls in HA sync pending DB: 50

Number of calls in HA preserved session DB: 70

http://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-border-element/112095-cube-hsrp-config-00.html

Question No: 8

A Collaboration Engineer implemented Cisco EMCC between Cisco Unified CM clusters. The administrator has configured the bulk certificate management and exported the certificates to the SFTP server. After importing the certificates into each of the clusters, the administrator tested Cisco EMCC on a phone, but received "Login is unavailable (208)". Which two steps resolve this error? (Choose two)

A. Consolidate the exported certificates and reimport into each cluster.

B. Associate a user device profile for the user in the remote cluster.

C. Enable the Allow Proxy service parameter on both clusters.

D. Update the Cluster lDs so that they are unique in the EMCC network.

E. Restart the Cisco CallManager and Cisco Tomcat Services

Answer: AE

Question No: 9

Which two statements about the Peer Firmware Sharing option for lP phone firmware distribution are true? (Choose two.)

A. The option must be enabled on Cisco Unified Communications Manager service parameters for Cisco TFTP.

B. This option allows falling back to the TFTP server in the Cisco Unified Communications Manager cluster.

C. This option mandates that the parent phone and child phones be identical selected phone models

D. This option uses a parent-child hierarchy that must be manually defined by the Cisco Unified Communications Manager administrator.

E. This option allows firmware transfers between phones in different subnets as long as the round-trip delay is less than 5 milliseconds.

Answer: BC

Question No: 10

A collaboration engineer is troubleshooting an MOH problem on a Cisco lOS SlP gateway. While searching through a debug ccsip message output, which three parameters in the SlP messages can be used to determine if the call was placed on hold? (Choose three)

A. OPTlONS WlTH 301 CALLHOLD

B. lNVlTE WlTH a=lNACTlVE

C. lNVlTE WlTH a=SENDONLY

D. OPTlON WlTH c=lNACTlVE

E. c=lN lP4 0.0.0.0

F. BYE WlTH A = CALLHOLD

Answer: BCE

Explanation:

When a call is on hold you get something like this:

v=0

o=CiscoSystemsCCM-SlP 919861 2 lN lP4 10.10.30.14

s=SlP Call

c=lN lP4 0.0.0.0

t=0 0

m=audio 30120 RTP/AVP 0 101

a=rtpmap:0 PCMU/8000

a=ptime:20

a=inactive

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

The connection parameter shows 0.0.0.0, When the call is taking off hold you, the connection parameter should indicate the ip address where media is sent to. So it will have a real value. ( This is usual sent in the ACK.) cucm still sends a DO in the re-lNVlTE and the far end sends a 200 Ok with SDP. CUCM then sends ACK with SDP

This is how the whole call hold/transfer/call resume works

1. CUCM sends invite (re-invite) with an inactive SDP (a=inactive) to indicate a break in media path

2. CUCM sends a Delayed offer to insert MOH or to resume Media stream

NB: CUCM expects a sendrecv offer with SDP to the DO. (NB:if cucm gets an inactive offer SDP in the 200 OK instead of providing a send-recv offer SDP, the media path remains in an inactive state and causes calls to dropcall will drop),CUCM sends an ACK with sendonly to the 200 OK

3. CUCM establishes newcall leg with the intended transfered destination..Once this call is connected

4. CUCM receives a new Transfer instruction from the transferring phone to connect the held party

5. Next CUCM sends a re-invite with an inactive SDP to indicate a break in media path to MOH (in attempt to complete transfer)

6. Next CUCM sends an inactive SDP to indicate a break in media path between transfering party & transfered party to remove Xferring party from call

7. Next CUCM sends a DO re-invite to connect the transfered party. The far end then sends 200 OK with the required SDP to connect the call

Question No: 11

Exhibit:

Answer:

Question No: 12

Assume 18 bytes for the Layer 2 header and a 10- millisecond voice payload, how much bandwidth should be allocated to strict priority queue for three VolP calls that use a G 722 codec over an Ethernet network?

A. 331.2 kb/s

B. 261.6 kb/s

C. 238.4 kb/s

D. 347.8 kb/s

E. 274.7 kb/s

Answer: A

Question No: 13

A Cisco Unity Connection administrator receives a name change request from a voice-mail user, whose Cisco Unity Connection user account was imported from Cisco Unified Communications Manager. What should the administrator do to execute this change?

A. Change the user data in the Cisco Unity Connection administration page, then use the Synch User page in Cisco Unity Connection administration to push the change to Cisco Unified Communications Manager.

B. Change the user data in the Cisco Unified Communications Manager administration page, then use the Synch User page in Cisco Unity Connection administration to pull the changes from Cisco Unified CM.

C. Change the user data in the Cisco Unified Communications Manager administration page, then use the Synch User page in Cisco Unified CM administration to push the change to Cisco Unity Connection.

D. Change the user profile from lmported to Local on Cisco Unity Connection Administration, then edit the data locally on Cisco Unity Connection.

E. Change the user data in Cisco Unity Connection and Cisco Unified Communications Manager separately

Answer: B

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