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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
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Exam Description IntroductionThe 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

Exam Description IntroductionThe 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.
QUESTION 16:
While troubleshooting a connectivity problem on the network, you issue the ping
command from your PC command prompt, but the output shows “request times
out.”
At which OSI layer is this problem associated with?
A. The data link layer
B. The application layer
C. The access layer
D. The session layer
E. The network layer
Answer: E

www.actualtest.org – The Power of Knowing
Explanation:
TCP/IP includes ICMP, a protocol designed to help manage and control the operation of
a TCP/IP network. The ICMP protocol provides a wide variety of information about a
network’s health and operational status. Control message is the most descriptive part of a
name. ICMP helps control and manage IP’s work and therefore is considered part of
TCP/IP’s network layer.
Reference:
CCNA Self-Study CCNA ICND exam certification Guide (Cisco Press, ISBN
1-58720-083-X) page 277.
QUESTION 17:
You download a file from an FTP site on the Internet. What is the highest layer in the
OSI model used in this FTP operation?
A. Application
B. Presentation
C. Session
D. Transport
E. Internet
F. Data Link
G. Physical
Answer: A
Explanation:
Layer 7 is the application layer, which is the highest layer in the OSI model. This layer
describes the use of end user applications, such as opening movie files (avi, mpeg, etc)
used Microsoft Office applications, using WWW browsers, using Telnet, and using FTP.
QUESTION 18:
A host computer has been correctly configured with a static IP address, but the
default gateway is incorrectly set. Which layer of the OSI model will be first
affected by this configuration error?
A. Layer 1
B. Layer 2
C. Layer 3
D. Layer 4
E. Layer 5

www.actualtest.org – The Power of Knowing
F. Layer 6
E. Layer 7
Answer: C
Explanation:
IP Addressing and IP routing resides on the OSI Network layer, which is layer 3.
QUESTION 19:
Which layer of the OSI reference model is responsible for ensuring reliable
end-to-end delivery of data?
A. Application
B. Presentation
C. Session
D. Transport
E. Network
F. Data-Link
Answer: D
Explanation:
A key function of the transport layer is to provide connection services for the protocols
and applications that run at the levels above it. These can be categorized as either
connection-oriented services or connectionless services. Some protocol suites, such as
TCP/IP, provide both a connection-oriented and a connectionless transport layer
protocol, to suit the needs of different applications.
The transport layer is also the place in the layer stack where functions are normally
included to add features to end-to-end data transport. Where network layer protocols are
normally concerned with just “best effort” communications, where delivery is not
guaranteed. Transport layer protocols are given intelligence in the form of algorithms that
ensure that reliable and efficient communication between devices takes place. This
encompasses several related jobs, including lost transmission detection and handling, and
managing the rate at which data is sent to ensure that the receiving device is not
overwhelmed.
Transmission quality, meaning ensuring that transmissions are received as sent, is so
important that some networking references define the transport layer on the basis of
reliability and flow-control functions. However, not all transport layer protocols provide
these services. Just as a protocol suite may have a connection-oriented and a
connectionless transport layer protocol, it may also have one that provides reliability and
data management services, and one that does not. Again, this is the case with TCP/IP:
there is one main transport layer protocol; TCP, that includes reliability and flow control
features, and a second, UDP, that doesn’t.

www.actualtest.org – The Power of Knowing
QUESTION 20:
At which OSI layer is a logical path created between two host systems named CK1
and CK2 on the PassGuide LAN?
A. Physical
B. Session
C. Data link
D. Transport
E. Network
F. Application
G. Presentation
Answer: E

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