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چهارشنبه 9 آبان 1386

تستهای فصل اول

نویسنده: علی سلیمی   طبقه بندی: تستهای CCNA، 

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

1-Which layers of the OSI model are included in the lower layers?

·         A. Application, Session, Presentation

·         B. Physical, Transport, Data Link, Network

·         C. Data link, Physical, Network

·         D. Session, Data Link, Physical


2-Which layer uses the Segment as a Protocol Data Unit (PDU)?

·         A. Layer 3, Network

·         B. Layer 1, Physical

·         C. Layer 2, Data Link

·         D. Layer 4, Transport


3Select three reasons why the industry uses a layered model.

·         A. A layered model allows developers to change the features of one layer without affecting the other layers.

·         B. Interoperability is guaranteed because developers are required to comply with the standards established by the OSI model.

·         C. Troubleshooting is easier if a layered model is used by all parties.

·         D. A layered model reduces the complexity of networking to more manageable sub-layers.


4-Which of the following are upper layers of the OSI model? (Check all correct answers.)

·         A. Layer 4

·         B. Network layer

·         C. Session layer

·         D. Presentation layer


5-Which of the following are routable protocols? (Check all correct answers.)

·         A. Ethernet

·         B. AppleTalk

·         C. RIP (Routing Information Protocol)

·         D. IPX

·         E. TCP/IP


6-Which of the following could be a legitimate Media Access Control address?

·         A. 192.168.254.3

·         B. 3FA2.4756.F9A3

·         C. A5514

·         D. C1.3A.77.5B


7-Which of the following are valid Protocol Data Units? (Check all correct answers.)

·         A. Packet

·         B. Frame

·         C. Bits

·         D. Segment


 8What is the serial number of a network interface card that has been given an address of 0365.FF32.A673?

·         A. The serial number of a network interface card cannot be determined from its address.

·         B. 0365

·         C. FF32.A673

·         D. 32A673


 

Answers :

1-B

2-D

3-A,C,D

4-C,D

5-B,D,E

6-B

7-A,B,C,D

8-D

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