ISRO CS 2008

Question 1

Which of the following transmission media is not readily suitable to CSMA operation?

• Radio
• Optical fibers
• Coaxial cable
• Twisted pair

Question 2

Consider the grammar

S → ABCc ∣ bc
BA → AB
Bb → bb
Ab → ab
Aa → aa

Which of the following sentences can be derived by this grammar?

• abc
• aab
• abcc
• abbc

Question 3

The TCP sliding window

• can be used to control the flow of information
• always occurs when the field value is 0
• always occurs when the field value is 1
• occurs horizontally

Question 4

The term Phong associated with

• Ray tracing
• shading
• Hiddenline removal
• a game

Question 5

The subnet mask 255.255.255.192

• extends the network portion to 16 bits
• extends the network portion to 26 bits
• extends the network portion to 36 bits
• has no effect on the network portion of an IP address

Question 6

On a LAN ,where are IP datagrams transported?

• In the LAN header
• In the application field
• In the information field of the LAN frame
• After the TCP header

Question 7

In Ethernet, the source address field in the MAC frame is the _______ address.

• original sender\'s physical
• previous station\'s physical
• next destination\'s physical
• original sender\'s service port

Question 8

What is the bandwidth of the signal that ranges from 40 kHz to 4 MHz

• 36 MHz
• 360 kHz
• 3.96 MHz
• 396 kHz

Question 9

Which Project 802 standard provides for a collision-free protocol?

• 802.2
• 802.3
• 802.5
• 802.6

Question 10

The Boolean theorem AB + A\'C + BC = AB + A\'C corresponds to

• (A + B) ∙ (A\' + C) ∙ (B + C) = (A + B) ∙ (A\' + C)
• AB + A\'C + BC = AB + BC
• AB + A\'C + BC = (A + B) ∙ ( A \'+ C) ∙ (B + C)
• (A + B) ∙ (A\' + C) ∙ (B + C) = AB + A\'C