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CCNA Exam 642-311 – Cisco Optical SONET Exam

Exam : 642-311
Title : Cisco Optical SONET Exam
Ver : 02.14.07

2 Example Questions out of 60 Questions:

QUESTION 13:
Scrambling of SONET signals is done to _____.
A. prevent the leakage of external fiber emissions
B. provide the optical network with the highest level of security possible
C. assure an even distribution of 1′s and 0′s for extended transmitter life
D. assure an adequate number of transitions for clock recovery at the receiver
E. prevent the receiver from assuming AIS inadvertently when all 0′s are received

Answer: D

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CCNA Exam 350-027 – CCIE Written: Metro Ethernet

Exam : 350-027
Title : CCIE Written: Metro Ethernet
Ver : 02.12.07

2 Example Questions out of 250 Questions:

QUESTION 9:
Which statement is true? Select one.
A. L2TPv2 and L2TPv3 are the same protocol with enhanced features in L2TPv3.
B. L2TPv3 and L2TPv3 are both commonly used for dial-in services.
C. L2TPv2, not L2TPv3, is commonly used for dial-in services.
D. L2TPv3 is used for Layer2 attachment services.
E. None of the above.

Answer: C

Explanation:
l2tpv2 is used normally for dial-in service and remote access see book (Layer 2 VPN Architectures:
chapter2/section3:Layer 2 Tunnel Protocol Version 3 Overview)
Not A: there are some difference between l2tpv2 & l2tpv3 not just extension or enhancement

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CCNA Question and Answer 2

CCNA Sample Test Questions and Answers:
Total Question: 20

Here the 3 sample questions out fo 20 questions:

Question 1:
Which of the following protocols use “Hello” packets?
A) OSPF
B) RIP2
C) IGRP
D) RIP

Answer: A

Question 2:
How to enable a Banner on a Cisco Router ?
A) Router(Config-if)# banner motd #
B) Router(Config)# banner motd #
C) Router(Config)# motd banner motd #
D) Router(Config-if)# motd banner #

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