CCNA Wan Chapter 1

22 Questions  I  By Rodney.butler on March 29, 2010
CCNA wan chapter 1

  
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Question Excerpt

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1.  At which two layers of the OSI model does a WAN operate? (Choose two.)
A.
B.
C.
D.
E.
2.   Which three WAN devices can be found in the cloud? (Choose three.)
A.
B.
C.
D.
E.
3.   Which networking device is typically used to concentrate the dial-in and dial-out traffic of multiple users to and from a network?
A.
B.
C.
D.
4.   Which packet-switched WAN technology offers high-bandwidth connectivity capable of managing data, voice, and video all on the same infrastructure?
A.
B.
C.
D.
5.   Which three features are identified with Frame Relay connections? (Choose three.)
A.
B.
C.
D.
E.
6.  Which WAN technology uses a fixed payload of 48 bytes and is transported across both switched and permanent virtual circuits?
A.
B.
C.
D.
7.   What are two advantages of an analog PSTN WAN connection? (Choose two.)
A.
B.
C.
D.
E.
8.  What three terms are associated with ISDN PRI? (Choose three.)
A.
B.
C.
D.
E.
9.   What can cause a reduction in available bandwidth on a cable broadband connection?
A.
B.
C.
D.
10.   What type of connectivity is established when VPNs are used from the remote site to the private network?
A.
B.
C.
D.
E.
11.  A U.S. company requires a WAN connection used only to transfer sales data from individual stores to the home office. All transfers will occur after business hours. The required bandwidth for this connection is estimated to be less than 38 kbps. Which type of connection requires the least investment for this company?
A.
B.
C.
D.
12.  For digital lines, which device is used to establish the communications link between the customer equipment and the local loop?
A.
B.
C.
D.
E.
13.  Which term describes a device that will put data on the local loop?
A.
B.
C.
D.
E.
14.   Which switching type will allow the communication devices in the provider network to be shared and only allocated to an individual subscriber during data transfer?
A.
B.
C.
D.
15.   A company needs a WAN connection that is capable of transferring voice, video, and data at a minimum data rate of 155 Mbps. Which WAN connection is the best choice?
A.
B.
C.
D.
E.
16.   Which two devices are commonly used as data communications equipment? (Choose two.)
A.
B.
C.
D.
E.
17.  Which statement is true of the functionality of the layers in the hierarchical network model?
A.
B.
C.
D.
E.
18.   Which statement is true about data connectivity between a customer and a service provider?
A.
B.
C.
D.
19.  Which statement is true about the differences between a WAN and a LAN?
A.
B.
C.
D.
20.  Why is the call setup time of a circuit-switched WAN implementation considered a drawback?
A.
B.
C.
D.
21.   Which statement about WAN protocols is correct?
A.
B.
C.
D.
22.  What is an advantage of packet-switched technology over circuit-switched technology?
A.
B.
C.
D.
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