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سه شنبه 20 آذر 1386

تستهای فصل دوم

نویسنده: علی سلیمی   طبقه بندی: تستهای CCNA، 

برگزیده ای از تستهای فصل دوم در این بخش آمده است. برای مشاهده تستها روی ادامه مطلب کلیک کنید.

1) This MAC sublayer address type identifies the MAC address of an individual LAN or NIC card.

A. Unicast

B. Multicast

C. Broadcast

D.Token


2) Which of the following addresses is an example of a unicast address? (Choose all that apply.)

A. 0000.0C12.3456

B. 0100.5E12.3456

C. FFFF.FFFF.FFFF

D. 0200.1111.1111


3) This MAC sublayer address type sends a frame to a subset of devices on the LAN.

A. Unicast

B. Multicast

C. Broadcast

D. Token


4) The OSI model Data Link layer uses __________ to transport data between layers.

A. Bits

B. Frames

C. Packets

D. Segments


5) Which field of a frame is used for error detection?

A. SAP

B. DSAP

C. SSAP

D. FCS


6) This communication mode allows for only one-way data transmissions at any time.

A. 10Mbps

B. 100Mbps

C. Half-duplex

D. Full-duplex


7) Which of the following LAN protocols use token-passing for frame transmission? (Choose the 2 best answers.)

A. Fast Ethernet

B. Token ring

C. Gigabit Ethernet

D. FDDI


8) Which of the following addresses is an example of a multicast address?

A. 0000.0C12.3456

B. 0100.5E12.3456

C. FFFF.FFFF.FFFF

D. 0200.1111.1111


9) This communication mode allows for simultaneous two-way data transmissions.

A. 10Mbps

B. 100Mbps

C. Half-duplex

D. Full-duplex


10) If you have a network that is connected through a hub and experiencing congestion, which of the following is the best solution to decrease congestion on your network?

A. Install a second hub.

B. Replace the hub with a repeater.

C. Replace the hub with a switch.

D. Replace the hub with a network interface.


Answers:

1) A

2) A,D

3) B

4) B

5) D

6) C

7) B,D

8) B

9) D

10) C

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