Q. HUB is a _________ Device and Switch is a ________ Device.

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Q. The data link layer takes the packets from _____ and encapsulates them into frames for transmission.

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Q. Which one of the following task is not done by data link layer?

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Q. Which sublayer of the data link layer performs data link functions that depend upon the type of medium?

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Q. Header of a frame generally contains

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Q. Automatic repeat request error management mechanism is provided by

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Q. When 2 or more bits in a data unit has been changed during the transmission, the error is called

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Q. CRC stands for

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Q. Which one of the following is the multiple access protocol for channel access control?

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Q. The technique of temporarily delaying outgoing outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is called

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Q. How the error detection is achieved at data link layer?

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Q. Switch operates at second layer of OSI model that is _______layer.

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Q. What does MAC stands for?

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Q. Bridge works in which layer of the OSI model?

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Q. MAC Address is used by which layer ?

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Q. Layer-2 Switch is also called

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Q. ____________ is added to data packet for error detection.

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Q. Which error detection method uses one's complement arithmetic?

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Q. Which error detection method consists of just one redundant bit per data unit?

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Q. In cyclic redundancy checking, what is the CRC?

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