2013 Latest CCNA Voice 640-461 Real Exam Question 61-65


All users report that when they press the Messages button on their IP phone, nothing happens. What is the most likely cause of this issue?
A. Cisco Unity Connection is not configured.
B. The default Voicemail Profile does not have a Pilot number configured.
C. The Voicemail Pilot does not have the VoiceMail Profile configured.
D. The Integrated Service Engine is offline.
E. The Voicemail Pilot is incorrect.
Correct Answer: B Section: IP Phone Explanation
The voice-mail pilot number specifies the directory number that you dial to access your voice messages.
Cisco Unified Communications Manager automatically dials the voice-messaging number when you press
the messages button on your phone.
Each voice-mail pilot number can belong to a different voice-messaging system


In which scenario is it possible to have the same directory number configured on two different lines or phones and not be a shared line?
A. directory number assigned to different partitions
B. directory number assigned to the same partition
C. directory number assigned to different calling search spaces
D. directory number assigned to the same calling search space
Correct Answer: A Section: CUCM Explanation
You can set up one or more lines with a shared-line appearance. A Cisco Unified Communications Manager system considers a directory number to be a shared line if it appears on more than one device in the same partition.
Link: http://cisco.biz/en/US/docs/voice_ip_comm/cucmbe/admin/8_6_1/ccmsys/a03dn.html#wp1100362

Which type of single switch port can support data and voice VLANs and is recommended for Cisco Unified IP phones?
A. multiflex port
B. trunk port
C. access port
D. ISL trunking port
Correct Answer: C Section: QoS Explanation
A port on a Cisco switch is either an access port or a trunk port. Access ports belong to a single VLAN and do not provide any identifying marks on the frames that are passed between switches
Link: http://www.cisco.com/en/US/products/hw/switches/ps4324/ products_configuration_example09186a0080722cdb.shtml

Refer to the exhibit. Is this configuration correct and is the T1 operational? If not, what is the cause?
A. Yes, the configuration is correct and it is operational.
B. No, the configuration is incorrect and the T1 is not operational because MGCP is not the proper service statement.
C. No, the configuration is incorrect and the T1 is not operational because, the isdn switch-type is incorrect.
D. No, the configuration is incorrect and the T1 is not operational because the isdn-bind-13 ccm-manager command is missing from the serial0/0/0:23 interface.
E. No, the configuration is incorrect and the T1 is not operational because the noip address command is applied to the serial0/0/0:23 interface.
Correct Answer: D Section: QoS Explanation
To bind Layer 3 of the ISDN PRI interface of the Media Gateway Control Protocol (MGCP) voice gateway to
the Cisco CallManager for PRI Q.931 signaling backhaul support, use the isdn bindl3 ccm-manager
command in interface configuration mode


Which network component would cause variable network delay?
A. dejitter buffer
B. DSP delay
C. processing delay
D. serialization delay
E. propagation delay
Correct Answer: C Section: QoS Explanation
Explanation/Reference: Processing Delay:
In a network based on packet switching, processing delay is the time it takes routers to process the packet header. Processing delay is a key component in network delay.
Propagation delay:
Propagation delay is a technical term that can have a different meaning depending on the context. It can relate to networking, electronics or physics. In general it is the length of time taken for the quantity of interest to reach its destination
Link: http://en.wikipedia.org/wiki/Propagation_delay

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