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Tag Archive: 642-437 Dumps

CCVP CertLead Certification Practice

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 Resoures:

642-437 :Implementing Cisco Voice Communications and QoS v8.0 (CVOICE v8.0)

CertLead CCNP Voice (CCVP) Certification study guides are condensed by our professional team. Lots of candidates have been complaining that they are too tired to afford many practice exams and study guides because there are too many questions and answers in them. To solve this problem, CertLead experts work out this condensed version. Though it is the condensed version, it will still guarantee that all the knowledge is covered and every question in the material is of deep research and analysis. Everything is to make convenience for candidates on their road to certificates!

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    5 posts – 3 authors – Jul 28, 2007

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Certlead 642-637 Questions & Answers

642-637 Resources:

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Certlead 642-637 Real Q&A:

You are troubleshooting a problem for which end users are reporting connectivity issues. Your network has been configured with Layer 2 protection controls. You have determined that the DHCP snooping database is correct and that proper static addressing maps have been configured. Which of these should be your next step in troubleshooting this problem?
A. Generate a proxy ARP request and verify that the DHCP database has been updated as expected. B. Temporarily disable DHCP snooping and test connectivity again. C. Clear the ARP tables and have end users release and renew their DHCP-learned addressing. D. Use a protocol analyzer to determine if there are malformed DHCP or ARP packets.
Answer: D
You are finding that the 802.1X-configured ports are going into the error-disable state. Which command will show you the reason why the port is in the error-disable state, and which command will automatically be re-enabled after a specific amount of time? (Choose two.)
A. show error-disable status B. show error-disable recovery C. show error-disable flap-status D. error-disable recovery cause security-violation E. error-disable recovery cause dot1x F. error-disable recovery cause l2ptguard
Answer: BD
Your company has a requirement that if security is compromised on phase 1 of a Diffie-Hellman key exchange that a secondary option will strengthen the security on the IPsec tunnel. What should you implement to ensure a higher degree of key material security?
A. Diffie-Hellman Phase II ESP B. PFS Group 5 C. Transform-set SHA-256 D. XAUTH with AAA authentication E. Diffie-Hellman Group 5 Phase I
Answer: B

Latest CCNP Voice 642-437 Dumps (131-135)

A customer needs to configure a CAS E & M circuit that will support inbound and outbound DNIS and inbound ANI. Which configuration will accomplish this task?
A. ds0-group 0 timeslots 1-31 type r2-digital r2-compelled ani
B. ds0-group 0 timeslots 1-24 type none
C. pri-group timeslots 1-24
D. ds0-group 0 timeslots 1-24 type e&m-fgd
E. ds0-group 0 timeslots 1-24 type fgd-eana
Answer: D


Latest CCNP Voice 642-437 Dumps (126-130)

Which process changes an internal extension into a fully qualified external PSTN number before matching to a dial peer?
A. forward digits
B. number expansion
C. prefix extension
D. digit masking
Answer: B
Explanation: Number expansion configuration allows you to provision patterns that expand an extension number to its full E.164 telephone number. You can also use number expansion to strip numbers.


Latest CCNP Voice 642-437 Dumps (111-115)


Call Admission control (CAC) is a concept that applies to voice traffic only – not data traffic. Which two types are of Call Admission Control? (Choose two.)
A. resource-based
B. gatekeeper-controlled RSVP
C. local
D. QoS-based
Answer: A,C Explanation: There are various types of CAC mechanisms available in current versions of Cisco IOS Software. These mechanisms are grouped into three categories. They are Local CAC, Measurement Based CAC and Resource Based CAC.


Latest CCNP Voice 642-437 Dumps (91-95)

When a Cisco Unified Border Element is deployed to support RSVP-based CAC, which media flow method is required?
A. RSVP-based CAC can be supported with either media flow-through or media flow-around if the Cisco Unified Communications Manager is configured as an RSVP agent.
B. RSVP-based CAC only supports media flow-around.
C. The Cisco Unified Border Element does not have to participate in the RSVP message exchange and will pass RSVP messages through unchanged using media flow-around.
D. RSVP-based CAC requires Cisco Unified Border Element to use media flow-through.
Answer: D