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Cisco 642-437 Exam Syllabus Topics:

Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Sample Questions:

1. Which WAN connection speeds are recommended for using link fragmentation and interleaving?

A) speeds between 64 and 512
B) speeds between 512 and 768
C) speeds at T1 and below
D) speeds at 768 and lower

2. Which queuing method is the basis for the low latency queuing?

A) class-based weighted fair queuing
B) custom queuing
C) weighted random early detection
D) weighted fair queuing

3. Which three are primary applications for classifying data on the network using QoS? (Choose three.)

A) transactional applications
B) mission-critical applications
C) best-effort applications
D) any applications
E) World Wide Web applications
F) database applications

4. How many bits are added to a secure Real-Time Transport Protocol packet from the 160-bit SHA1 hash?

A) 160
B) 32
C) 128
D) 64

5. Which codec is considered to have high complexity that limits the number of active voice channels on a gateway?

A) G.722
B) G.726
C) G.729
D) G.729AB

Solutions: