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Implementing Cisco IOS Unified Communications : 640-460 Exam
Exam Number/Code: 640-460
Exam Name: Implementing Cisco IOS Unified Communications
Questions and Answers: 183 Q&As
Price: $100.00
Update Time: 2008-9-22

“Implementing Cisco IOS Unified Communications”, also known as 640-460 exam, is a Cisco certification.
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640-460 IIUC
Implementing Cisco IOS Unified Communications
Exam Number: 640-460
Associated Certifications: CCNA Voice
Duration: 90 minutes (60-70 questions)
Available Languages: English
Click Here to Register: Pearson VUE
Exam Policies: Read current policies and requirements
Exam Tutorial: Review type of exam questions

Exam Description Exam Topics Recommended Training Additional Resources

Exam DescriptionThe 640-460 IIUC Implementing Cisco IOS Unified Communications exam is associated with the CCNA Voice certification. This exam confirms basic IP telephony installation, configuration, and maintenance skills by testing a candidate’s knowledge of implementing and configuring small- to medium sized IP Telephony solutions using Cisco Unified Communications Manager Express, Cisco Unity Express, and the UC500 Smart Business Communications System solutions.

Exam TopicsThe following topics are general guidelines for the content likely to be included on the Implementing Cisco IOS Unified Communications exam. However, other related topics may also appear on any specific delivery of the exam. In order to better reflect the contents of the exam and for clarity purposes, the guidelines below may change at any time without notice.

Describe the components of the Cisco Unified Communications Architecture
Describe the function of the infrastructure in a UC environment
Describe the function of endpoints in a UC environment
Describe the function of the call processing agent in a UC environment
Describe the function of messaging in a UC environment
Describe the function of auto attendants and IVRs in a UC environment
Describe the function of contact center in a UC environment
Describe the applications available in the UC environment, including Mobility, Presence, and Telepresence
Describe how the Unified Communications components work together to create the Cisco Unified Communications Architecture

Describe PSTN components and technologies
Describe the services provided by the PSTN
Describe time division and statistical multiplexing
Describe supervisory, informational, and address signalling
Describe numbering plans
Describe analog circuits
Describe digital voice circuits
Describe PBX, trunk lines, key-systems, and tie lines

Describe VoIP components and technologies
Describe the process of voice packetization
Describe RTP and RTCP
Describe the function of and differences between codecs
Describe H.323, MGCP, SIP, and SCCP signalling protocols

Describe and configure gateways, voice ports, and dial peers to connect to the PSTN and service provider networks
Describe the function and application of a dial plan
Describe the function and application of voice Gateways
Describe the function and application of voice ports in a Gateway
Describe the function and operation of call-legs
Describe and configure voice dial peers
Describe the differences between PSTN and Internet Telephony Service Provider circuits

Describe and configure a Cisco network to support VoIP
Describe the purpose of VLANs in a VoIP environment
Describe the environmental considerations to support VoIP
Configure switched infrastructure to support voice and data VLANs
Describe the purpose and operation of PoE
Identify the factors that impact voice quality
Describe how QoS addresses voice quality issues
Identify where QoS is deployed in the UC infrastructure

Implement UC500 using Cisco Configuration Assistant
Describe the function and operation of Cisco Configuration Assistant
Configure UC500 device parameters
Configure UC500 network parameters
Configure UC500 dial plan and voicemail parameters
Configure UC500 SIP trunk parameters
Configure UC500 voice system features
Configure UC500 user parameters

Implement Cisco Unified Communications Manager Express to support endpoints using CLI
Describe the appropriate software components needed to support endpoints
Describe the requirements and correct settings for DHCP, NTP, and TFTP
Configure DHCP, NTP and TFTP
Describe the differences between key system and PBX mode
Describe the differences between the different types of ephones and ephone-dns
Configure Cisco Unified Communications Manager Express endpoints
Configure call-transfer per design specifications
Configure voice productivity features, including hunt groups, call park, call pickup, paging groups, and paging/intercom
Configure Music on Hold

Implement voicemail features using Cisco Unity Express
Describe the Cisco Unity Express hardware platforms
Configure the foundational elements required for Cisco Unified Communications Manager Express to support Cisco Unity Express
Describe the features available in Cisco Unity Express
Configure AutoAttendant services using Cisco Unity Express
Configure basic voicemail features using Cisco Unity Express

QUESTION 34
Acknowledgements, sequencing, and flow control are functions that are handled by
which layer of the OSI model?
A. Layer 5
B. Layer 4
C. Layer 7
D. Layer 6
E. Layer 3
F. Layer 2
G. Layer 1
Answer: B
QUESTION 35
A receiving host has failed to receive all of the segments that it should acknowledge.
What can the host do to improve the reliability of this communication session?
A. Start a new session using UDP
B. Obtain a new IP address from the DHCP server
C. Use a different source port for the session
D. Decrease the sequence number
E. Decrease the window size
Answer: E
Explanation:
A TCP window the amount of outstanding (unacknowledged by the recipient) data a
sender can send on a particular connection before it gets an acknowledgment back from
the receiver that it has gotten some of it.
For example if a pair of hosts are talking over a TCP connection that has a TCP window
size of 64 KB (kilobytes), the sender can only send 64 KB of data and then it must stop
and wait for an acknowledgment from the receiver that some or all of the data has been
received. If the receiver acknowledges that all the data has been received then the sender
is free to send another 64 KB.
One way to improve the reliability of the TCP connection is to reduce the window size
that the receiver needs to receive before sending an acknowledgement. However, this will
reduce throughput as more segments and acknowledgements will need to be sent in order
to transfer the same amount of data.
QUESTION 36
You have set up an Internet based FTP server, where people can upload and
download files. In terms of the OSI model, what is the highest layer used during the
FTP sessions.
A. Application
B. Presentation
C. Session
D. Transport
E. Internet
F. Data Link
G. Physical
Answer: A
Explanation:
The application layer is the highest layer (layer 7) of the OSI model, and is reserved for
end user applications. Since FTP is itself an application, layer 7 is the highest layer used.
Incorrect Answers:
B, C, D, E, F, G. In any given FTP session, all of these layers will be used at some point
but they are incorrect because the question asked for the highest layer used by FTP.

Testinside 640-460 Questions and Answers : 114 Q&As
Updated: October 11th , 2008
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