Exam Number/Code: 642-426
Exam Name: Troubleshooting Unified Communications (TUC)

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The 642-426 Troubleshooting Unified Communications (TUC) exam is the exam associated with the CCVP certification. Candidates can prepare for this exam by taking Troubleshooting Cisco Unified Communications (TUCv1.0) course. The exam will certify that the successful candidate has the knowledge and skills necessary to troubleshoot Enterprise CallManager, Unity, and IP network deployments. The exam addresses hands-on experience in configuring, deploying, and troubleshooting Unified Communications solutions. Topics covered include (see Claims and Components attached).

The following are some demos about the exam 642-426,you can have a view

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For example:

1. Which three capabilities cannot be configured if the default dial peer is matched? (Choose three.)
A. disable DID
B. invoke a Tcl application
C. enable dtmf-relay
D. disable VAD
E. set codec to G.711
F. set preference to 1
Answer: BCD
2. Cisco CallManager 5.0 has just been deployed in two locations across a wide-area link. A distributed
model with an intercluster trunk has been used. When you call an IP phone at the remote site the phone
rings, but as soon as the other person picks up the phone, the call is dropped.
Where should you look to diagnose the problem?
A. locations
B. system parameters
C. media resource group
D. Cisco Unified CallManager group
E. Cisco Unified CallManager CTI traces
Answer: C
3. Your company has a centralized IP Telephony system and branch offices in eight major cities. The
manager of your company help desk recently published local access numbers for external customers to
reduce the costs associated with your company’s toll-free 800 service. However, when customers call the
new local numbers they hear a reorder tone instead of your centralized IVR.
What is the best solution to this issue?
A. Deploy transcoders at each remote location.
B. Deploy transcoders at the central location.
C. Deploy Cisco Unified IP IVRs at each remote location.
D. Increase the number of ports in the centralized IVR.
Answer: B
4. You have received a trouble ticket stating that an executive with an account at a bank cannot retrieve
account information by phone.When the executive calls the bank, the call is answered and the executive is
prompted to enter the account code. However, the bank does not seem to recognize the DTMF tones and
disconnects the call.
What is a possible solution to this problem?
A. Configure the voice rtp send-recv command in the gateway.
B. Set the Cisco Unified CallManager service parameter ToSendH225UserInfoMsg to True.
C. Configure the progress_ind setup enable 3 command under the gateway VoIP dial peer.
D. Configure the progress_ind alert enable 8 command under the gateway POTS dial peer.
Answer: A
5. Partition A contains four route patterns. The calling search space assigned to Device B contains only
Partition A. When Device B dials 1136, which of the route patterns will be selected?
A. 1[14]XX
B. 11X!
C. 1[^2-8]XX
D. 1[1-4]XX
Answer: B
6. You have received a trouble ticket that says users are experiencing echo when their calls go out an
H.323 gateway. You have tested the gateway and have modified the configuration so that the ERL level is
now 6 dB. You also increased the echo-cancel coverage value to 64 ms.
How will this impact voice quality after this change?
A. The increase in echo-cancel coverage will have no effect on voice quality.
B. The ends of sentences will be chopped by the echo canceller.
C. Consonants will be chopped by the echo canceller.
D. The echo canceller will take 2-3 seconds longer to converge at the beginning of the call.
Answer: D

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Exam Number/Code: 646-223
Exam Name: Unified Communications Express AM

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1. Telecommunications manager: “I have heard that the speech quality of VoIP is poor. I think I would rather
wait until the technology has really been tested.”
What is the most appropriate response to the telecommunications manager objection to deploying a Cisco
Unified Communications solution?
Select the best response.
A. VoIP is already a proven technology and the speech quality would be as good as, if not better than, a
traditional phone system.
B. Cisco Unified Communications is an enhancement of VoIP, so it offers better quality.
C. Today, there is enough bandwidth in the Internet, so QoS for speech would be guaranteed.
D. Policies applied to traffic on a Cisco Unified Communications network are set to give a higher priority to
voice packets than to data packets, which guarantees that speech quality is as good as, if not better than, a
traditional phone system.
Answer: D
2. Which of these is not a feature of Cisco Unified CallConnector Mobility?
Select the best response.
A. single-number reach
B. single voice-mail box
C. user-customizable rules for routing
D. integration with legacy PBX systems
E. Reach at Any Phone
F. integration with Presence
Answer: D
3. A car dealer is interested in implementing Cisco Unified Communications. He explains that his salesmen
need to be reachable via phone when they leave their desks, for example, when they go to the garage.
What are the two possible solutions for offering this mobility? (Choose two.)
Select 2 response(s).
A. VoWLAN with Cisco IP Phone 7921
B. Cisco IP Unified Communicator
C. Nokia dual-mode phones
D. Cisco Unified CallConnector for CRM
E. Cisco Unified Video Advantage
Answer: AC
4. How does Cisco ensure security for a Cisco Unified Communications solution?
Select the best response.
A. Cisco uses proprietary protocols that protect against known vulnerabilities, such as virus attacks, service
attacks, and hackers.
B. Cisco has a set of design guidelines and software services that, when implemented, will secure the
network against known vulnerabilities, such as virus attacks, service attacks, and hackers.
C. A Cisco Unified Communications solution is always more secure than traditional phone systems.
D. Because a Cisco Unified Communications solution is isolated from the data network, it protects against
known vulnerabilities, such as virus attacks, service attacks, and hackers.
Answer: B
5. A system administrator is concerned that Cisco Unified Communications might not conform to industry
standards.
Which three responses are the most appropriate to provide? (Choose three.)
Select 3 response(s).
A. Cisco has decided to use their own protocols, such as SCCP, to support enhanced features.
B. Cisco is a progressive company by nature, so there will always be occasions when products and
services are developed that break new ground.
C. All standards of IP telephony are currently available only as drafts.
D. Cisco is making and leading the market; therefore many standards are initiated by Cisco.
E. No vendor works conform to standards, so this will not be an issue.
F. Cisco supports open standards such as PoE and SIP.
Answer: BDF

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Exam Number/Code: 642-545
Exam Name: Implementing Cisco Security Monitoring, Analysis and Response System

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Exam Number/Code: 640-863
Exam Name: Designing for Cisco Internetwork Solutions

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Here are some demos about the exam 640-863:

1. Which two of these are functions of an access point in a Split MAC Network Architecture?(Choose two.)
A. EAP Authentication
B. MAC layer encryption or decryption
C. 802.1Q encapsulation
D. Process probe response
Answer: BD
2. Lightweight access points are being deployed in remote locations where others are already operational.
The new access points are in a separate IP subnet from the wireless controller. OTAP has not been enabled
at any locations.
Which two methods can the AP use to locate a wireless controller? (Choose two.)
A. local subnet broadcast
B. NV-RAM IP address
C. DHCP
D. primary, secondary, tertiary
E. DNS
F. master
Answer: CE
3. Which of these is the equation used to derive a 64 Kbps bit rate?
A. 2 x 8 kHz x 4-bit code words
B. 8 kHz x 8-bit code words
C. 2 x 4-bit code words x 8 kHz
D. 2 x 4 kHz x 8-bit code words
Answer: D
4. Which two of the following statements represent a preferred wireless LWAPP implementation?(Choose
two.)
A. verify open ports for:
Layer 2 LWAPP on ethertype OxABAB
B. verify open ports for:
Layer 2 LWAPP on ethertype OxBBBB
Layer 3 LWAPP on UDP 12222 and UDP 12223
C. verify open ports for:
Layer 2 LWAPP on ethertype OxBABA
Layer 3 LWAPP on UDP 12222 and TCP 12223
D. use of Layer 3 LWAPP is preferred over Layer 2 LWAPP
E. use of Layer 2 LWAPP is preferred over Layer 3 LWAPP
Answer: BD
5. Which statement identifies a benefit obtained when using a top-down network design plan?
A. allows quick responses to design requests
B. facilitates design based on previous experience
C. incorporates customer organizational requirements
D. is less time-consuming than using a bottom-up approach
E. provides a more detailed picture of the desired network
Answer: C

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You can also found some related exams :  640-721 ,640-801 ,640-811,640-816,640-822.

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Cisco 642-515 Exam

     The 642-515  LCSAUC Cisco Lifecycle Services for Advanced Unified Communications exam is the exam associated with the Advanced Unified Communications Specialization. The Cisco Lifecycle Services for Advanced Unified Communications (LCSAUC) exam assesses the candidate’s knowledge and skills needed to support implementing an advanced Unified Communications solution on a network throughout each phase of the lifecycle. The exam assesses Cisco’s methodology to guide customers in performing all of the necessary steps to ensure a successful implementation of Unified Communications solutions.

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Cisco 642-825 Exam

       Today, the employer asks for a qualification before hiring anyone. You may be an expert in Security Networks, but a certificate is compulsory in order to market your skills and expertise. 642-825 accredits a professional as having the capability to secure as well as develop the range of an enterprise network to teleworkers and remote sites while concentrating on securing remote access and VPN client configuration. This exam is taken in English and spans over 90 minutes. This is also a requirement for CCNP, Cisco Certified Network Professional.

This certificate, 642-825, basically tests a professional on the concepts of Cable (HFC technologies), implementation of basic teleworker services and Frame-Mode MPLS, site-to-site IPSec VPN, and understanding about network security strategies including configuration of Cisco IOS IPS, IOS firewall and Device Hardening.

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You install Windows XP Professional on your home computer. When the installation concludes, you see only the Recycle Bin icon on the desktop. You do not see the My Computer, My Network Places or My Documents icons on the desktop. You want these icons to appear on the desktop.

Which of the following actions should you perform?

a. Enable Use Windows classic folders in Folder Options.
b. Switch to the Classic Start menu style.
c. Configure folders to use the simple folder view.
d. Right-click the desktop, and select Show Desktop Icons.

You are a sales representative for a company that sells address lists for direct mail purposes. You use a Windows XP Professional laptop computer when you are traveling. You purchase a PC card that combines a modem and a NIC. You insert the PC card, and you are prompted to reboot. You discover that the devices appear in Device Manager; however, neither device is operational. You want to make these devices functional.

Which of the following actions should you perform?

a. Install the drivers manually.
b. Reboot the computer.
c. Connect the modem to an IEEE 1394 interface.
d. Obtain a PS2-to-USB adapter, and connect the mouse to a USB port.

Your Windows XP Professional computer has two partitions: C and D. The C partition is formatted with FAT32 and has 1 GB of free space. The D partition is formatted with NTFS and has 250 MB of free space. You need to copy the Financial folder from a file server to your computer. The folder contains 150 MB of sensitive data. You must secure the files on your computer.

Which of the following actions should you perform?

a. Copy Financial to D, and encrypt its contents.
b. Copy Financial to C, and encrypt its contents.
c. Request that Financial be encrypted on the file server, then copy Financial to C.
d. Copy Financial to C, then convert the folder to NTFS.

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