GATE CSE 2016 Set 2 | GATE CSE Year Wise Previous Years Questions

GATE CSE 2016 Set 2

MCQ (Single Correct Answer)

-0.3

Match the following:

GROUP - 1	GROUP - 2
(P) Lexical analysis	(i) Leftmost derivation
(Q) Top down parsing	(ii) Type checking
(R) Semantic analysis	(iii) Regular expressions
(S) Runtime environments	(iv) Activation records

$$P \leftrightarrow i,\,\,Q \leftrightarrow ii,\,\,R \leftrightarrow iv,\,\,S \leftrightarrow iii$$

$$P \leftrightarrow iii,\,\,Q \leftrightarrow i,\,\,R \leftrightarrow ii,\,\,S \leftrightarrow iv$$

$$P \leftrightarrow ii,\,\,Q \leftrightarrow iii,\,\,R \leftrightarrow i,\,\,S \leftrightarrow iv$$

$$P \leftrightarrow iv,\,\,Q \leftrightarrow i,\,\,R \leftrightarrow ii,\,\,S \leftrightarrow iii$$

GATE CSE 2016 Set 2

MCQ (Single Correct Answer)

-0.6

For the IEEE 802.11 MAC protocol for wireless communication, which of the following statements is/are TRUE?

I. At least three non-overlapping channels are available for transmissions.
II. The RTS-CTS mechanism is used for collision detection.
III. Unicast frames are ACKed.

All I, II, and III

I and III only

II and III only

II only

GATE CSE 2016 Set 2

Numerical

-0

A network has a data transmission bandwidth of 20 × 10⁶ bits per second. It uses CSMA/CD in the MAC layer. The maximum signal propagation time from one node to another node is 40 microseconds. The minimum size of a frame in the network is __________ bytes.

Your input ____

GATE CSE 2016 Set 2

MCQ (Single Correct Answer)

-0.3

In an Ethernet local area network, which one of the following statements is TRUE?

A station stops to sense the channel once it starts transmitting a frame.

The purpose of the jamming signal is to pad the frames that are smaller than the minimum frame size.

A station continues to transmit the packet even after the collision is detected.

The exponential backoff mechanism reduces the probability of collision on retransmissions.

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