Actual 400-051 Cisco Exam Question Answer

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Version: 22.0
Question: 5

Which two Cisco Unified Communications Manager Express hunt group mechanisms keep track of the number of hops in call delivery decisions? (Choose two.)

  1. sequential
  2. peer
  3. longest idle
  4. parallel
  5. overlay
  6. linear

Answer: BC

Question: 8

A collaboration engineer has been asked to implement secure real-time protocol between a Cisco Unified CM and SIP gateway. Which option is a consideration for this implementation?

A. Only T.38 and Cisco fax protocol are supported
B. SIP require the all the time be sent in GMT
C. Call hold RE-INVITE is not supported
D. SRTP is supported only in cisco IOS 15.x and higher

Answer: B

As necessary, configure the router to use Greenwich Mean Time (GMT). SIP requires that all times be sent in GMT. SIP INVITE messages are sent in GMT. However, the default for routers is to use Coordinated Universal Time (UTC). To configure the router to use GMT, issue the clock timezone command in global configuration mode and specify GMT.
http://www.cisco.com/c/en/us/td/docs/ios/voice/cube/configuration/guide/vb_book/vb_book/vb_8240.html

Question: 10

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

A. OPTIONS WITH 301 CALLHOLD
B. INVITE WITH a=INACTIVE
C. INVITE WITH a=SENDONLY
D. OPTION WITH c=INACTIVE
E. c=IN IP4 0.0.0.0
F. BYE WITH A = CALLHOLD

Answer: BCE

A collaboration engineer is designing Cisco IM&P implementation to support instant messaging logging for compliance. Which two external databases can be used to support that functionality? (Choose two.)

A. Oracle database
B. MySQL database
C. Microsoft SQL database
D. PostgreSQL database
E. Informix SQL database

Answer: AD

The following IM and Presence Service features require an external database:
Persistent Group Chat
Message Archiver (IM Compliance)
External database:
PostgreSQL database, versions 8.3.x through 9.4.x are supported, and in IM and Presence Service Release, 11.0(1) versions: 9.1.9, 9.2.6, 9.3.6, 9.4.1 have been tested.
Note: You can also use Version 8.1.x of the PostgreSQL database, but the configuration of these versions may be different to the PostgreSQL database configuration described in this section. See the PostgreSQL documentation for details on how to configure these PostgreSQL database versions. If you use Version 8.1.x of the PostgreSQL database, the database configuration on IM and Presence Service is the same as described in this section.
Oracle database, versions 9g, 10g, 11g, and 12c are supported, and in IM and Presence Service Release, 11.0(1) versions: 11.2.0.1.0 and 12.1.0.1.0 have been tested.
You can install the database on either a Linux or a Windows operating system. See the relevant database documentation for details on the supported operating systems and platform requirements.
IPv4 and IPv6 are supported.
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/im_presence/database_setup/10_0_1/CUP0_BK_D42EAF32_00_database-setup-guide-imp-100/CUP0_BK_D42EAF32_00_database-setup-guide-imp-100_chapter_00.htm

Question: 16

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 IP 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

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.
Question: 17

Which Cisco Unified CM Application user is created by default and used by Cisco Unified CM Extension
Mobility?

A. CCMAdministrator
B. EMSysUser
C. TabSyncSysUser
D. CCMSysUser
E. CTIGWUser

Answer: D

Explanation:
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/srnd/7x/uc7_0/directry.html
A collaboration engineer configured MVA for a company using an existing Cisco IOS voice gateway.
When testing inbound calls it is found that they are all failing.
Which two sets of configuration changes fix this problem? (Choose two)

A. Dial-peer voice 4100 pots
Services ccm
Destination-pattern 4100$
B. Dial-peer voice 4101 voip
Dtmf-relay h245-alphanumeric
Session target ipv4:172.16.100.50
C. Dial-peer voice 4101 voip
Dtmf-relay h245-alphanumeric
Session target ipv4:172.16.100.50
Codec g711ulaw
D. Dial-peer voice 4100 pots
service CCM
E. Dial-peer voice 4100 pots
service CCM
Incoming called-number .T
F. Dial-peer voice 4101 VOIP
Dtmf-relay h245-signal
Session target ipv4:172.16.100.50
Codec g711alaw

Answer: CE

Explanation:
Please note that, current scenario we are talking only inbound calls.Tricky question
http://www.cisco.com/c/en/us/support/docs/unified-communications/unified-communications-manager-callmanager/200457-Configure-the-Mobile-Voice-Access-Featur.html#anc6
Configuration Example
application
service mva http://10.106.103.149:8080/ccmivr/pages/IVRMainpage.vxml
dial-peer voice 5050 pots
service mva
incoming called-number 5050
no digit-strip
direct-inward-dial
!
dial-peer voice 3001 voip
destination-pattern 5050
session target ipv4:10.106.103.149
dtmf-relay h245-alphanumeric
codec g711ulaw
no vad

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