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Cisco CCVP

CCVP Certification

There is a growing demand of the IP professionals in the global market with the skills to integrate the VOIP system into the existing networks. Some of the most important topics that are covered in this certification program are VOIP, Real Time Transport Protocol, Session Description Protocol, Session Initiation Protocol, VOIP architectures, inter domain scenarios, VOIP network elements, delivery of call features, dynamic quality service, enterprise VOIP installation and security considerations and emergency services etc.

CCVP certified persons can implement secure, scalable and manageable IP telephone infrastructure. According to the Cisco Systems the CCVP focuses on CallManager, gateways, gatekeepers, IP phones, voice applications, quality of service (QoS), and working with the Cisco Routers and Cisco Catalyst switches.

The validity period for the CCVP certification is for three years and for recertification you must pass the CCIE written exam. More than 60% of the top 500 fortune companies of the world are using Cisco IP communication systems. CCVP certified people acquire broad-based voice and application skills.

CCVP certified people are also capable of implementing, managing and administering Cisco’s VOIP solution, troubleshooting common administrative, configurations and operations issues in the IP networks, installing, troubleshooting and configuring Cisco’s Call manager, installing and managing Gateways and gatekeepers securely and implementing and administering Cisco’s QOS solutions

CCVP related Exams:
642-642 Quality of Service (QoS)
642-432 Cisco Voice over IP (CVOICE)
642-426 Troubleshooting Cisco Unified Communications Systems (TUC)
642-444 Cisco IP Telephony 4.1 (CIPT 4.1)
642-445 Cisco IP Telephony 5.0 (CIPT 5.0)
642-453 Implementing Cisco Voice Gateways and Gatekeepers (GWGK)

It is important to note that a valid CCNA is required to become a CCVP. TestKing offers learning products, including question and answer guides, for all of these exams. This certification is one of the hottest on the market today, since many enterprises are implementing new VOIP networks and the demand for professionals that can support these networks is growing rapidly.

Training Class Description
Cisco Course v5.0 and CVF v1.0 | Prepares you for Cisco Exam 642-436 CVOICE
We have enhanced this comprehensive Authorized Cisco course to introduce you to the latest Cisco Voice over IP (VoIP) technologies and give you the skills and techniques to optimize your Cisco hardware for real performance and savings

We have added the required CVF v1.0 “Cisco Voice over IP Fundamentals” content to the standard 4-day CVOICE course. We realize that comprehensive hands-on training is fundamental to your goals, and we offer a unique, real-world CVOICE lab environment that teaches you how to build and test a tsophisticated IP telephony network that you can use as a template for a real deployment. We have set ourselves apart from other Cisco training providers by enhancing our CVOICE hands-on labs to include a real dial plan and Class of Service for calling out to the PSTN, branch offices, and PBXs. You’ll configure CVOICE Gateways using three different call control protocols while mastering the connection details for traditional telephony. The traditional telephony fundamentals are taught on our exclusive, additional first day. You’ll experience real-world connections to PBXs, Key Telephone Systems, and the Public Switched Telephone network. You will configure your router/gateway equipment to connect to our public dial plan network, using different call control protocols and procedures, demonstrating what you learn in class.
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Audience
Technical professionals responsible for VoIP including voice/data integration

Upon Completion of this course you will learn

* Exclusive – Similarities and differences between traditional public switched telephone network (PSTN) voice networks and IP Telephony solutions
* Configure the call flows for Plain Old Telephone Service (POTS), VoIP, and default dial peers
* How to choose between centralized and decentralized call control and signaling protocols
* Analog and digital voice characteristics
* Processes and standards for voice digitization, compression, digital signaling, and Fax transport as they relate to VoIP networks
* Voice encodings and signaling
* Quality of Service (QoS) techniques for “non-quality-of-service” networks (such as IP and Frame Relay)
* Voice Over IP environments (SIP, H.323, MGCP)
* Integrated voice/data network design and optimization
* Voice/data network configuration and troubleshooting
* Emerging voice technologies
* Voice quality issues and the QoS solutions used to solve them

Cisco’s exam 642-432, “Cisco Voice Over IP Exam” (CVOICE) is a core requirement for the five-exam path to the Cisco Certified Voice Professional (CCVP) certification. The Cisco Voice Over IP exam focuses on implementing and supporting data and voice integration solutions at the network-access level.

CVOICE lays the foundation for gaining hands-on skills and significant understanding of packet telephony by presenting the technologies that are common for both Enterprise and Service Provider students.

This exam will be of benefit to Network Engineers, Network Architects and Network Support professionals who:

* Install and configure voice and data network devices
* Take requests to add voice and data services/applications to the network
* Perform traffic analysis
* Design networks to maintain a high quality of service in an integrated voice/data environment

This exam costs $125 USD. You can take the exam at any Prometric or Pearson VUE.

Cisco does not publish the pass score for this exam, which can include these types of questions: “multiple-choice single answer, multiple-choice multiple answer, drag-and-drop, fill-in-the-blank, and simulations.” The exam has between 55 and 65 questions and lasts 90 minutes.

The general topics covered by this exam include:

* Voice Over IP Technologies
* Voice Over IP Configuration
* Integrating Voice Over IP into Existing PBX networks
* Call Operation and Components in Voice Over IP
* Integrating Voice Over IP into the PSTN
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Exam 642-444: Cisco IP Telephony for Release 4.x (CIPT-4.X)

Related Certifications: CCVP, IP Telephony Support Specialist

Number of Questions: 60-70

Duration: 90 minutes

Exam Topics Include:

* Perform an installation and initial set up of a CallManager cluster
* Configure Call Manager to support a call between any two endpoints
* Given a list of IP phone features, configure the CallManager to support the given feature
* Secure an IP telephony network
* Given a specific set of IP telephony applications and tools, configure CallManager to support the applications
* Monitor and manage an IP telephony network using Internal Server Tools

The Cisco IP Telephony 642-444 CIPT-4.x is the exam associated with the CCVP and Cisco IP Communications Support Specialist certifications. This exam tests a candidate’s knowledge of VoIP and PSTN components and technologies and the candidate’s ability to describe, install, configure and support CCM 4.x products in a Cisco network, including such features as security and video. Topics covered include VoIP, PSTN, and CCM.

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What is required for the Barge feature to work?
A. a conference bridge
B. a shared line
C. a conference already in process
D. a multiple line appearence
Answer: B
Barge and Privacy
The Barge and Privacy features work with each other. Both features work with only
shared lines.
http://www.cisco.com/en/US/partner/products/sw/voicesw/ps556/products_administration_guide_chapter09186
a
QUESTION 2
A CallManager cluster topology of Cisco MCS 7835s (each capable of supporting
2500 calls) is being designed for an IP telephony network. The cluster design must
1) support up to 3,000 phones
2) provide a level of redundancy
3) be cost effective
4) support a very heavy streamed media file load.
Given those necessities, which of the following configurations requires the fewest

number of CallManagers but still provides acceptable performance?
A. Four: Publisher, TFTP server, and two Primaries
B. Five: Publisher, TFTP server, two Primaries, and a Secondary (covering both
Primaries)
C. Four: combined Publisher and TFTP server, two Primaries, and a Secondary (covering
both Primaries)
D. Six: Publisher, TFTP server, two Primaries, two secondaries (one for each Primary)
E. Six: Publisher, TFTP server, two Primaries, and a Secondary (covering both
Primaries), and a Tertiary (covering both Primaries)
F. Six: Publisher, TFTP server, two Primaries, two secondaries (one for each Primary),
and two Tertiaries (one for each Primary)
Answer: B
QUESTION 3
What is required for a Cisco IP Phone to obtain an address from a Cisco
CallManager running the DHCP service if they are not both on the same subnet?
A. default router
B. option 150 with the IP address of the CallManager
C. option 86 with the IP address of the TFTP server
D. IP helper address
Answer: D
Explanation: IP helper address modifies the IP phone DHCP broadcast to a unicast so
the request can be routed to other subnets where DHCP server sits on.
QUESTION 4
Assume users are regularly moving throughout the enterprise. Which scenario is a
good candidate for Extension Mobility?
A. multiple campuses, each as its own cluster
B. single campus, one cluster per building
C. multiple campuses, each connecting into a single cluster
D. single building, one cluster for each floor
Answer: C
Reference:
http://www.cisco.com/en/US/partner/products/sw/voicesw/ps556/products_administration_guide_chapter09186
a
QUESTION 5
What service must be activated on a Subscriber to support WebAttendant?
A. Cisco Database Layer Monitor
B. Cisco IP Voice Media Streaming
C. Cisco TFTP Server
D.
The design must accomplish the following:
1. support up to 6,5000 phones
2. provide a minimal level of redundcy
3. be cost effective
Select the best configuration that requires the fewest number of CallManagers while
still providing acceptable performance.
A. Three: Combined Publisher and TFTP server, and Two Primaries
B. Five: Publisher, TFTP server, and three Primaries
C. Seven: Publisher, TFTP server, three Primaries, and two Secondaries (each covering
two Primaries)
D. Eight: Publisher, TFTP server, three Primaries, and three Secondaries (one for each
Primary)
E. Nine: Publisher, TFTP server, three Primaries, three Secondaries (each covering one
Primary), and one Tertiary
Answer: C
Cisco CDR Insert
E. Cisco Telephony Call Dispatcher
Answer: E
Understanding the Cisco Telephony Call Dispatcher
The attendant console application registers with and receives call-dispatching services
from the Cisco Telephony Call Dispatcher (TCD). The Cisco TCD, a Cisco CallManager
service, provides communication among Cisco CallManager servers, attendant consoles,
and the Cisco IP Phones that are used with the attendant consoles.
Note
If you use the attendant console in a cluster environment, make sure that all
CiscoCallManagers within a cluster have the CiscoTCD service activated and running.
You must manually activate the service through CiscoCallManager Serviceability.
Attendant console redundancy requires this setup to work properly; however, not all
CiscoTCDs are required to have a route point.
QUESTION 6
A CallManager cluster topology of Cisco MCS 7835s (each capable of supporting
2500 calls) is being designed for an IP telephony network.

QUESTION 7
What DHCP configuration will provide TFTP server redundancy for Cisco IP
Phones?
A. ip dhcp pool Voice
network 10.1.1.0 255.255.255.0
default-router 10.1.1.1
option 150 ip 10.10.10.100 10.10.10.101
B. ip dhcp pool Voice
network 10.1.1.0 255.255.255.0
default-router 10.1.1.1
option 150 ip 10.10.10.100
option 150 ip 10.10.10.101
C. ip dhcp pool Voice
network 10.1.1.0 255.255.255.0
default-router 10.1.1.1
option 150 ip 10.10.10.100
option 66 ip 10.10.10.101
D. ip dhcp pool Voice
network 10.1.1.0 255.255.255.0
default-router 10.1.1.1
option 150 ip 10.10.10.100
bootp 10.10.10.101

Answer: A
QUESTION 8
A CallManager cluster considering of a publisher and two subscribers is supporting c

2000 IP phones with 1:1 redundancy.
What two services should be enabled on the subscribers? Select two.
A. Cisco CallManager Service
B. Cisco Messaging interface
C. Cisco TFTP server
D. Cisco CDR insert
E. Cisco Telephony Call Dispatcher
Answer: A, E
QUESTION 9
Which of the following enterprises would be best benefited by using multicast MOH
server(s)?
A. a small enterprise with few calls on hold
B. a large enterprise with many calls on hold
C. a mid-range enterprise with many calls on hold where each stream must start at the
beginning
D. a large enterprise with few calls on hold where each stream must start at the
beginnning
Answer: B
QUESTION 10
What will happen if Option 150 is not configured on the DHCP server?
A. Cisco CallManager will be unable to register IP Phones.
B. Cisco CallManager will be unable to access the TFTP server.
C. IP Phones will not be able to receive VLAN information.
D. IP Phones will not be able to load their configuration files.
E. The DHCP server will not be able to answer requests from IP Phones.
F. Cisco CallManager will be unable to replicate its database to the subscribers.
Answer: D
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Known also as the Cisco Implementing Cisco Unified Communications IP Telephony Part 1 (642-446), this exam plays an integral role in obtaining your certification. All Cisco certification exams are extremely detailed and cover many different technological areas. We designed the 642-446 questions and answers for this very purpose, to prepare you for the unexpected. Beyond the testing center, the skills you learn and the knowledge you confirm using the 642-446 practice exams and exam simulators will translate directly into your daily work environment.
Cisco Certified Network Associate :642-446 Exam
Exam Number/Code:642-446
Exam Name: Cisco Certified Network Associate

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Exam 642-453: Gateway Gatekeeper Exam (GWGK)
Related Certifications: CCVP
Number of Questions: 60
Duration: 75 minutes

Exam Topics Include:
• Explain the function and interoperation of voice & video Gateways within an IP Communications network
• Describe the function and interoperation of Gatekeepers within an IP Communications network
• Implement a Gateway
• Implement a Gatekeeper
• Implement a dial-plan
• Implement call applications on a Gateway
• Implement an IP-to-IP Gateway

The Gateway Gatekeeper 642-453 GWGK is the exam associated with the CCVP certification. This exam will test your knowledge of the implementation of Cisco gateways and gatekeepers, including integration of a VoIP network to both PSTN and TDM equipment. Topics covered include implementing dial plans and advanced gateway features such as SRST and DSP resources, implementing gatekeepers and directory gatekeepers to provide hierarchical dial plan resolution, and call admission control.
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When configuring a gatekeeper-controlled H.255 trunk, what is the maximum number of
Cisco Unified CallManager systems that can be assigned to the trunk?
A. 4
B. 1
C. 3
D. 6
E. 2
F. 8
Answer: C
QUESTION 2:
Which codec complexity should be configured to maximize the number of simultaneous
voice calls that can be supported by a PVDM2-16?
A. Flex
B. High
C. Medium
D. Low
Answer: A
Which two statements are correct descriptions of bandwidth management and bandwidth
control? (Choose two.)
A. Both bandwidth management and bandwidth control are H.323 mandatory functions. B.
Bandwidth management is an H.323 optional function and bandwidth control is a
mandatory function.
C. Bandwidth management manages endpoint bandwidth and provides intrazone call
admission control, while bandwidth control provides interzone call admission control. D.
Bandwidth management manages endpoint bandwidth requirements and bandwidth
control provides call admission control.
E. Bandwidth management provides call admission control and bandwidth control
manages endpoint bandwidth requirements.
F. Bandwidth management is an H.323 mandatory function and bandwidth control is an
optional function.
Answer: B,E
Which issue found in CAS T1s can be eliminated by converting to PRI?
A. the inability to send and receive ANI on all DS0s B
long call setup due to few signaling bits per frame
C. voice quality issues involving robbed bits
D. PSTN switch type mismatches
E. outgoing call channel order mismatch (descending vs. ascending)
Answer: A
QUESTION 7:
You are working with a client who is interested in deploying a distributed IP telephony
call-processing solution among the three corporate campuses. Each campus will have a
Cisco Unified CallManager cluster and a gateway to the PSTN. Which three steps are
required for a successful gatekeeper deployment? (Choose three.)
A. determining if each zone will be supported by more than one gatekeeper B.
ensuring the correct location of voice gateways in the network
C. implementing the correct WAN topology
D. determining the intrasite modem and fax traffic patterns E.
provisioning a common codec for all WAN connections
F. determining if gatekeeper redundancy or high availability is required
Answer: C,E,F
QUESTION 8:
How can you configure an MGCP gateway so that it is controlled by the Cisco Unified
CallManager?
A. The Cisco Unified CallManager and the MGCP gateway are peers; the Cisco Unified
CallManager does not control MGCP gateways.
B. Use the telephony-service ccm-compatible gateway command to enable the Cisco
Unified CallManager to control the gateway.
C. Configure the MGCP gateway in the Cisco Unified CallManager; the gateway will
automatically be sent a configuration.
D. Configure the gateway on the Cisco Unified CallManager, configure the gateway for
MGCP, and define the Cisco Unified CallManager as the call agent on the gateway.
E. Use the mgcp-gateway voip srcadd gateway command to bind the gateway to the Cisco
Unified CallManager.
Answer: D
QUESTION 9:
When an IP-to-IP gateway registers with a gatekeeper, what type of endpoint is the
gateway listed as?
A. VOIP
B. H323-GW
C. gateway
D. IP-IP
Answer: B
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C. returns a response on behalf of the user to the invitation originator
D. originates the INVITE method including a description of the session parameters
E. originates the ACK method to indicate that it has received a response to an invitation
Answer: AC

7 Which path selection mechanism lets you choose either the even or odd channels first?
Type: 1
Options:
A. hunt groups
B. trunk groups
C. tailend hopoff
D. Call Admission Control
Answer: B

8 What is the best description of an MGCP endpoint?
Type: 1
Options:
A. the interconnection between packet and traditional telephone networks
B. any analog telephony device (PBX, switch, etc.)
C. IP phones
D. the gatekeepers in a VoIP network
Answer: A
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9 Which best defines an ACD?
Type: 1
Options:
A. a telephone system that switches calls between users on local lines
B. a local company that provides phone capability and distribution from the phone
company’s central office
C. a telephone system that responds to a caller with a voice menu and helps to
appropriately connect the call
D. a telephone system that is connected to the exchange to provide conventional voice
services to several subscribers
Answer: C

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Related Certifications: CCIP, CCVP, IP Telephony Specialists Certifications.

Number of Questions: 45-55 Duration: 90 minutes

Exam Topics Include:

* IP QoS Fundamentals and Best Practices
* IP QoS Components
* Modular QoS CLI and Auto-QoS
* Classification and Marking
* Congestion Management and Avoidance Methods
* Traffic Policing and Shaping
* Link Efficiency Mechanisms

The QOS exam is one of the qualifying exams for the Cisco Certified Internetwork Professional, Cisco Certified Voice Professional, Cisco IP Telephony Design Specialist, Cisco IP Telephony Express Specialist, Cisco IP Telephony Operations Specialist, and Cisco IP Telephony Support Specialist certifications. The exam will certify that the successful candidate has knowledge and skills necessary to configure and troubleshoot Cisco IOS routers running Quality of Service protocols in Service Provider and Enterprise environments. The importance of this exam is evident in the fact that it applies to so many different certifications.

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QUESTION 1
Which of the following markers can be set by Committed Access Rate (CAR)? (Choose all
that apply.)
A. DSCP bits
B. QoS Group
C. ATM CLP bit
D. Frame Relay DE bit
E. IP precedence bits
Answer: A, B, E

What makes the DiffServ model more scalable than the IntServ model? (Choose all that
apply.)
A. DiffServ makes use of per-aggregate QoS instead of per-flow QoS.
B. DiffServ makes use of hop-by-hop signaling which allows DiffServ to scale to a larger
number of application flows.
C. DiffServ is capable of implementing admission control either locally on the routers or be
offloaded to a central policy server using the COPS protocol.
D. DiffServ routers are not compelled to track the state information for each individual flow.
Answer: A, D
The newly appointed Chinatag trainee technician wants to know what the benefits of
using traffic shaping to implement network rate limiting is.What will your reply be?
(Choose all that apply.)
A. Traffic shaping is an effective tool for rate-limiting VoIP traffic. B.
It will not increase packet loss.
C. It will not add to packet transit delays.
D. Traffic shaping can interact with congestion mechanisms embedded in Frame Relay. E.
Traffic shaping can be used on inbound and outbound traffic on a router.
Answer: B, D
Incorrect:
A. Shaping adds variable delay to traffic, possibly causing jitter C.
A shaper typically delays excess traffic using a buffer
E. This is a feature of policing
Study the Exhibit below carefully:
Router# show interfaces hssi 0/0/0 rate-limit
Hssi0/0/0 45Mbps to R1
Input
matches: all traffic
params: 20000000 bps, 24000 limit, 24000 extended limit
conformed 8 packets, 428 bytes; action: transmit
exceed 0 packets, 0 bytes; action: drop
last packet: 8680ms ago, current burst: 0 bytes
last cleared 00:03:59 ago, conformed 0 bps, exceed 0 bps
Output
matches: all traffic
params: 20000000 bps, 24000 limit, 24000 extended limit
conformed 0 packets, 0 bytes; action: transmit
exceed 0 packets, 0 bytes; action; drop
last packet: 8680ms ago, current burst: 0 bytes
last cleared 00:03:59 ago, conformed 0 bps, exceed 0 bps
According to the exhibit, the router has been configured with Committed Access
Rate (CAR) to rate limit traffic.
What data rate has the traffic been limited to?
A. 192 Kbps
B. 2400 Kbps
C. 4,5 Mbps
D. 20 Mbps
E. 40 Mbps
Answer: D
The newly appointed Chinatag trainee technician wants to know which type of software
queuing mechanism is Frame Relay Traffic Shaping implemented with on the physical
interface. What will your reply be?
A. Priority Queuing (PQ)
B. Custom Queuing (CQ)
C. FIFO
D. Weighted Fair Queuing (WFQ)
E. IP Real Time Transport Protocol (RTP) Priority
Answer: D
Why is it beneficial to make use of Enhanced LMI (ELMI) on Cisco networks?
A. ELMI is responsible for providing virtual provisioning tools at the edge of the Frame
Relay network.
B. ELMI permits routers to dynamically download QoS information from Cisco switches for
use in traffic shaping or for congestion management purposes.
C. ELMI provides the router the ability to use additional QoS tools including rate limiting
with CAR and the Modular QoS Command Line Interface (MQC).
D. ELMI allows the router to deliver packets at the line rate of the Frame Relay interface,
regardless of the condition of the Frame Relay network.
Answer: B
Which of the following statements are true when you compare DSCP and IP
Precedence to each other? (Choose all that apply.)
A. DSCP is backwards compatible with IP Precedence.
B.
DSCP cannot be easily mapped into QoS because of its expanded classification options. C.
DSCP is more granular the IP Precedence, since more marking combinations are available.
D. DSCP appears stubby when compared IP Precedence, since devices make use of
DSCP as defined in RFC exclusively.
E. DSCP is 6 bits long and IP Precedence is 3 bits long.
F. DSCP is more restrictive than IP Precedence, since devices are only allowed to use
DSCP as defined in RFCs.
Answer: A, C, E
Explanation:
A)DSCP is backward compatible with IP Precedence (Class Selector Code point, RFC
1812) but not with the ToS byte definition from RFC 791 (”DTR” bits)
Reference: Introduction to IP QoS (Course) p.45
Which MQC command would you use to perform marking properly?
A. precedence 5
B. ip precedence 5
C. set ip precedence 5
D. set ip mark precedence 5
E. mark ip precedence 5
Answer: C
Explanation:
IP precedence is encoded into the three high-order bits of the ToS field in the IP header. It
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Exam Name:Cisco Certified – IP Communications Quality of Service (QoS)
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