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Testinside CCIE 350-023

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CCIE Written: WAN Switching : 350-023 Exam

Exam Number/Code: 350-023
Exam Name: CCIE Written: WAN Switching

“CCIE Written: WAN Switching”, also known as 350-023 exam, is a Cisco certification.
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QUESTION 27:
Which compression technique provides near toll quality sound using 8kbps?
A. Pulse Code Modulation
B. Adaptive Differential Pulse Code Modulation
C. Code Excited Linear Predictor
D. It’s impossible to achieve near toll quality using less than 64 kbps.
Answer: C
CELP - is a voice codec compression also known as G.729 compression. This takes a voice
stream and compresses it to an 8K stream that is comparable quality wise to 32k ADPCM.
QUESTION 28:
EIGRP applies the principle of Feasible Successor (FS) in resolving a new path to a lost
route. What statement regarding the FS is correct?
A. Information is stored for the FS as part of the Link-State Routing updated forwarded for
EIGRP.
B. EIGRP estimates the FS from each neighbor for each network after an exchange of database
information during the normal update process. It uses this information for path selection when a
route is lost.
C. When EIGRP is notified that a route is lost, it will always send requests to each neighbor for
ways to reach the lost route. The neighbor that returns the best path will qualify as the FS.
D. EIGRP nominates a central Router Certkiller As the FS for all lost routes during configuration.
Answer: B
QUESTION 29:
What best describes ADPCM?
A. It stands for Advanced Duplicate Packet Code Marking.
B. It specifies no transmission of data during silent periods of voice conversation.
C. It allows synchronous data to be carried over voice card technology.
D. It compresses voice from 64K per channel to 32K, 24K or 16K per channel.
E. It compresses voice from 64K to approximately 8K.
Answer: D