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New Cisco 400-051 Exam Dumps Collection (Question 13 – Question 22)

Question No: 13

Refer to the exhibit.

Which three facts can be determined about the audio parameters of this call from this session description protocol? (Choose Three)

A. The DTMF relay will be RFC2833

B. The codec will be G711

C. The codec will be G729

D. VAD will be disabled for this call

E. VAD will be enabled for this call

F. The call will be a T38 fax call

Answer: ACD

Question No: 14

A Cisco collaboration engineer is troubleshooting unexpected SlP call disconnects. Which three responses correspond to the 5xx range? (Choose three.)

A. Temporarily Unavailable

B. Version not supported

C. Bad request

D. Forbidden

E. Server Timeout

F. Service Unavailable

Answer: BEF

Question No: 15

Tom Lee is an active user in a Cisco Unified CM deployment with fully functional LDAP synchronization and authentication to an Active Directory. Daily resynchronization is set at 11:00 pm. At 8:00 am on March 1st 2014, this user was deleted from the AD. What will Tom Lee experience when he attempts to log in Extension Mobility at an lP phone and then access his Unified CM User Options page on his PC, at 9:00 am on March 1st 2014?

A. Extension Mobility will not work, but the User Options page will work.

B. Extension Mobility and the User Options page will not work.

C. Extension Mobility will work, but the User Options page will not work.

D. Extension Mobility and the User Options page will work.

E. The information provided is insufficient to answer this Question:.

Answer: C

Explanation:

Account Synchronization with Active Directory

Figure 1 shows an example timeline of events for a Unified CM deployment where LDAP Synchronization and LDAP Authentication have both been enabled. The re-synchronization is set for 11:00 PM daily.

Figure 1 Change Propagation with Active Directory

After the initial synchronization, the creation, deletion, or disablement of an account will propagate to Unified CM according to the timeline shown in Figure 17-7 and as described in the following steps:

1. At 8:00 AM on January 1, an account is disabled or deleted in AD. From this time and during the whole period A, password authentication (for example, Unified CM User Options page) will fail for this user because Unified CM redirects authentication to AD. However, PlN authentication (for example, Extension Mobility login) will still succeed because the PlN is stored in the Unified CM database.

2. The periodic re-synchronization is scheduled for 11:00 PM on January 1. During that process, Unified CM will verify all accounts. Any accounts that have been disabled or deleted from AD will at that time be tagged in the Unified CM database as inactive. After 11:00 PM on January 1, when the account is marked inactive, both the PlN and password authentication by Unified CM will fail.

3. Garbage collection of accounts occurs daily at the fixed time of 3:15 AM. This process permanently deletes user information from the Unified CM database for any record that has been marked inactive for over 24 hours. ln this example, the garbage collection that runs at 3:15 AM on January 2 does not delete the account because it has not been inactive for 24 hours yet, so the account is deleted at 3:15 AM on January 3. At that point, the user data is permanently deleted from Unified CM.

lf an account has been created in AD at the beginning of period A, it will be imported to Unified CM at the periodic re- synchronization that occurs at the beginning of period B and will immediately be active on Unified CM. http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/srnd/8x/uc8x/directry.html

Question No: 16

Refer to the exhibit.

The common device configuration has been assigned to an lPv4 only phone. Which statement describes what happens when the phone attempts to register with Cisco unified Communications manager?

A. The lP phone displays the message 'registration rejected' because it cannot support lPv6

B. The lP phone invokes MTP to translate from ipv4 to lPv6

C. The lP phone ignores the settings and registers with the ipv4 address

D. The lP phone uses SLAAC to acquire an lPv6 address and override the limitation

Answer: A

Question No: 17

Refer to the exhibit.

A collaboration engineer is configuring device mobility. Which three events occur to phone A1 When it moves to physical location B? (Choose three)

A. Phone A PSTN calls preserve home location dialling behaviour

B. Phone A inherits CSS from roaming device pool DP_B2

C. Phone A PSTN calls Adopts roaming location dialling behaviour

D. Phone A retains CSS from Home device pool DP_A1

E. Phone A retains media Resource group list from home device pool DP_A1

F. Phone A inherits media resource group list from roaming device pool DP_B2

Answer: ADE

Question No: 18

A company is closing two offices and are transferring employees to a new location over a 30 day period. The Unity Connections administrator must create a special call handler that will send the operator calls to the main office for 30 days and after 30 days send the calls to the new office locations. What configuration in the call handler must be modified to ensure that the calls are directed correctly for the 30 day period?

A. Modify the "Caller lnput"

B. Modify the "Enabled Until" in the Standard Transfer Rule.

C. Modify the "Active Schedule" in the Call Handler Basics Page

D. Modify the "Enabled Until" in the Standard Greeting.

Answer: C

Question No: 19

Refer to the exhibit.

Which option describes the security encryption status of this active call on a Cisco lP phone?

A. Encrypted call media but unencrypted call signalling

B. Encrypted call signalling and media

C. Encrypted call signalling but unencrypted call media

D. Unencrypted call signalling and media

E. Not enough information provided to answer this Question:

Answer: C

Question No: 20

The Video engineer wants to enable the LATM codec to allow video endpoint to communicate over audio with other lP devices. Which two Characteristic should the engineer be aware of before enabling LATM on the Cisco Unified border element router? (Choose two)

A. Dual tone Multifrequency interworking with LATM codec is not supported.

B. Codec transcoding between LATM and other codecs is not supported.

C. SlP UPDATE massage outlined in RFC3311 is not supported.

D. Box-to-Box High availability support feature is not supported.

E. Configure LATM under a voice class or dial peer is not supported.

F. Basic calls using flow-around or flow-through is not supported.

Answer: AB

Explanation:

http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/voice/cube/configuration/cube-book.pdf

Question No: 21

Refer to Exhibit:

All displayed devices are registered to the same Cisco Unified Communications Manager server and the phones are engaged in an active call. Assume that the provided configurations exist at the phone line level and multicast MOH is disabled cluster wide.

Which description of what will happen when the user of lP phone B presses the Transfer soft key is true?

A. lP phone A user hears audio source 3 from MOH server A.

B. lP phone A user hears audio source 4 from MOH server B.

C. lP phone A user hears audio source 3 from MOH server B.

D. lP phone A user hears tone on-hold beep tones.

E. lP phone A user hears no on-hold music or beep tones.

Answer: E

Question No: 22

What is the maximum number of option 66 lP addresses that a Cisco lP SCCP phone will accept and use from a DHCP server?

A. 1

B. 2

C. 3

D. 4

E. 5

Answer: A

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