As a leading IT materials provider, exambible insists to provide candidates the simulation of top quality. Today, exambible released the new update for Cisco 642-642 pdf. The professionals in exambible adjusted the answer of question 23 simulation B to D, and the answer of question 47simulation A to B. Also, they made adjustment for the description of question 56, and deleted question 35.
The QOS 642-642 exam will test materials covered under the Implementing Cisco Quality of Service QOS v2.1 course. 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 exam covers topics on IP QOS, classification and marking Mechanisms, queuing mechanisms, traffic shaping and policing mechanisms, congestion avoidance mechanisms, link efficiency mechanisms, modular QOS command line interface, and QOS Best Practices. 642-642 is a 90 minutes exam which contains 45-55 questions.
Despite of 642-642 exam simulation, exambible also provide other aforementioned simulations. More detail, please click here.
Web demo:
1. For the following statements about packet loss, which of the following is the most likely reason for
packet loss in a typical network?
A. Jitter thresholds being exceeded
B. TCP flush messages as a result of Round-Trip Times varying wildly
C. Tail drops when queues fill
D. Bit errors during transmission
Answer: C
2. On the basis of the deep understanding of voice and video traffic .Which of the following are true
statements of both Voice and Video conferencing traffic?(choose two)
A. All packets in a single call or conference are a of single size
B. Traffic is isochronous
C. Sensitive to delay
D. Sensitive to jitter
Answer: C D
3. Based on the judgement of voice traffic, which two components are of delay for a VoIP call, but not for a data application?(choose two)
A. Packetization delay
B. Serialization delay
C. Queuing delay
D. Filling the De-jitter buffer
Answer: A D
Related Exams:
642-359 - Implementing-Cisco-Storage-Network-Solutions
650-175 - SMBAM-SMB-Specialization-for-Account-Managers
350-001GB2312-LAB - CCIE-Routing-and-Switching-Written-exam
642-446 - Implementing-Cisco-Unified-Communications-IP-Telephony-Part-1
642-373 - Cisco-Express-Foundation-for-Systems-Engineers
Search Help:
642-642 answers, 642-642 braindump, 642-642 book, cisco 642-642 book, cisco 642-642 braindumps, 642-642 brain dump, 642-642 books, cisco 642-642 books, 642-642 cisco, exam 642-642 cisco, 642-642 download, 642-642 difficulty, 642-642 dumps, 642-642 discussion, testking 642-642 download, ccvp 642-642 download