Q. Encryption and decryption are the functions of the ................... layer of OSI model.

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Q. Which of the following transmission media is used in Bluetooth technology ?

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Q. The cost of the network is usually determined by:

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Q. The mechanism with which several users can share a medium without interference is:

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Q. Which of the following are Data link layer standard?

(1) Ethernet      (2) HSSI         (3) Frame Relay
(4) 10-base T    (5)Token ring

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Q. Which type of Bridge would be used to connect an Ethernet Segment with a token ring Segment?

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Q. Which type of links are used for a connection between two DTE devices ?

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Q. Which protocol is used to encapsulate a data packet created of a higher OSI model layer ?

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Q. What is the correct subnet mask to use for a class-B address to support 30 Networks and also have the most hosts possible ?

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Q. The frequency reuse plan is divided into cell grouping using how many cells, where the number of cells equals N ?

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Q. Which interim standard describes inter-switching networking ?

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Q. Theoretically, how many 1.25 MHz Carriers are there in a CDMA cell ?

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Q. Another name of IEEE 802.11a is:

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Q. Error control is needed at the transport layer because of potential error occurring ..............

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Q. Making sure that all the data packets of a message are delivered to the destination is ................ control.

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Q. Which transport class should be used with a perfect network layer?

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Q. Which transport class should be used with residual-error network layer?

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Q. Virtual circuit is associated with a ..................... service.

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Q. In an IP packet, header checksum computes:

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Q. A TCP server must prepare to accept a connection attempt from a TCP client by calling the function:

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