Cisco 400-051 Online Practice Questions and Exam Preparation

Cisco 400-051 Online Questions & Answers

• Question 151:

  Which two statements about the Cisco UC on UCS specs-based virtualization support model are true? (Choose two.)

  A. It has a configuration-based approach.
  B. It has a rule-based approach.
  C. It has less hardware flexibility compared to the third-party server specs-based support model.
  D. It has less hardware flexibility compared to the UC on UCS TRC support model.
  E. VMware vCenter is optional with this support model.
  B. It has a rule-based approach.
  C. It has less hardware flexibility compared to the third-party server specs-based support model.

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  References: http://docwiki.cisco.com/wiki/UC_Virtualization_Supported_Hardware#UC_on_UCS_Tested_Reference_Configurations

• Question 152:

  Refer to the exhibit.

  

  Which three Ethernet Setup Administrator Settings are manually configurable locally on the Cisco 9971 IP phone? (Choose three)

  A. Operational VLAN Id
  B. Admin VLAN Id
  C. PC VLAN
  D. SW Port Setup
  E. PC Port Setup
  B. Admin VLAN Id
  D. SW Port Setup
  E. PC Port Setup

• Question 153:

  Which device is the initiator of a StationInit message in a Cisco Unified Communications Manager SDI trace?

  A. Cisco Unified Communications Manager
  B. MGCP gateway
  C. Cisco Music on Hold server
  D. SCCP IP phone
  E. SIP Proxy Server
  D. SCCP IP phone

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  Station Init means that an inbound Transmission Control Protocol (TCP) message from a Skinny station reached CallManager. A Skinny station is any endpoint that uses the Skinny protocol to communicate with CallManager.

• Question 154:

  

  Refer to the exhibit. A customer with Jabber for Windows client reported that when extension 2345678901 is busy or did not answer, new incoming calls to this extension hear Cisco Unity Connection's generic greeting. The customer expects the forwarded calls to hear the user's custom greeting as it is working for the first line. What can resolve the problem?

  A. Check voicemail as the Call Forward Busy and No Answer destination on CUCM
  B. Add the extension as an alternate extension in Cisco Unity Connection
  C. Change the Class of Service configuration to accommodate this extension
  D. This is working as designed because only the first line can be configured with voicemail service
  E. Change Transfer Rules in Cisco Unity Connection to include this extension
  B. Add the extension as an alternate extension in Cisco Unity Connection

• Question 155:

  When Cisco Unity Connection users attempt to connect using Web Inbox and receive a Site Is Unavailable error message, which service status should be verified?

  A. Tomcat
  B. Connection Exchange Notification Web Service
  C. Connection Voicemail Web Service
  D. Connection Administration
  E. Secured Web Server
  A. Tomcat

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  Cisco Tomcat service, as the name suggests, is used by the Web Server of CUCM and helps display the administration, operating system, disaster recovery, and other GUI interfaces of CUCM. The service leverages a built-in CA for Tomcat in that it redirects the incoming HTTP requests to HTTPS using the default self-signed certificate.

• Question 156:

  Which two descriptions of the characteristics of the SIP Provisional Response Acknowledgment message are true? (Choose two.)

  A. It must be acknowledged with a "200 OK" message
  B. It is sent by the UAS after receiving the "Supported: PRACK" header in a previous message from the UAC.
  C. It is sent by the UAC after receiving the "Require: 100rel" header in a previous message from the UAS.
  D. It must be acknowledged with an ACK message
  E. It is sent by the UAC after receiving the "Require: PRACK" header in a previous message from the UAS.
  F. It is sent by the UAS after receiving the "Supported: 100rel" header in a previous message from the UAC.
  A. It must be acknowledged with a "200 OK" message
  B. It is sent by the UAS after receiving the "Supported: PRACK" header in a previous message from the UAC.

• Question 157:

  A user has reported that when trying to access Visual Voicemail the following error is received "Unable to open application. Please try again later. If it continues to fail contact your administrator". The collaboration engineer is working on the problem found on the following phone logs: CVMInstallerModule STATUS_install_cancelled STATUS_INSTALL)_ERROR [thread=installer MQThread][class=cip midp midletsuite installerModule][function=update status] Midlet install Canceled/ERROR...visual Voicemail How can this issue be resolved?

  A. Replace the sever name with the server IP on service URL field
  B. Eliminate the space in the service Name field
  C. Configure DNS on phone configuration so it can resolve server name
  D. Check the Enable checkbox on IP phone service configuration
  B. Eliminate the space in the service Name field

• Question 158:

  How does a Call Detail Record Agent running on a Cisco Unified Communication Manager node determine if a CDR flat file is ready to be transferred to a designated CDR Repository node?

  A. The CDR Agent knows transfer eligibility from the name of a CDR flat file name.
  B. The CDR Agent transfer all CDR flat files at a specific, configurable time of day.
  C. The CDR Agent transfer all new CDR flat files generated after the last successful transfer.
  D. The CDR Agent transfer all new CDR flat files upon receiving notifications from the CDR Repository node on the name of last file successfully received.
  E. The CDR Agent transfers any CDR flat file before its deletion.
  A. The CDR Agent knows transfer eligibility from the name of a CDR flat file name.

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  Reference: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/service/9_1_1/cdrdef/CUCM_BK_C268EF1B_00_cucm-cdr-admin-guide-91/CUCM_BK_C268EF1B_00_cucm-cdr-admin-guide-91_chapter_00.html

• Question 159:

  Which statement about a virtual SNR DN-configured Cisco Unified Communications Manager Express-enabled Cisco IOS router is true?

  A. Virtual SNR DN supports either SCCP or SIP IP phone DNs.
  B. A virtual SNR DN is a DN that is associated with multiple registered IP phones.
  C. Calls in progress can be pulled back from the phone that is associated with the virtual SNR DN.
  D. The SNR feature can only be invoked if the virtual SNR DN is associated with at least one registered IP phone.
  E. A call that arrived before a virtual SNR DN is associated with a registered phone, and still exists after association is made, but cannot be answered from the phone.
  E. A call that arrived before a virtual SNR DN is associated with a registered phone, and still exists after association is made, but cannot be answered from the phone.

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  Virtual SNR DN only supports Cisco Unified SCCP IP 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.

  References: http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/admin/configuration/guide/cmeadm/cmesnr.html

• Question 160:

  Refer the exhibit. A VoIP engineer has enabled mixed mode on the Cisco Unified Communications manager to secure CTI Application communications. Which two additional roles enable secure transmissions of RTP and signaling for CTI applications? (Choose two.)

  

  A. Standard CTI Secure Connection
  B. Standard CTI Allow Control of All Devices
  C. Standard CTI Allow Control of Phones supporting Rollover Mode
  D. Standard CTI Secure Control of Phones supporting Connected Xfer and Conf
  E. Standard CTI Allow reception of SRTP Key Material
  F. Standard Confidential Access Level Users
  D. Standard CTI Secure Control of Phones supporting Connected Xfer and Conf