TCS Placement: Sample Questions 22 - 23 of 502

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Question 22

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Describe in Detail

Essay▾

What is beaconing?

Explanation

  • Beaconing allows a network to self-repair its problems.
  • Beaconing is used in Token ring and FDDI networks; here stations on network notify the other stations when they are not receiving the transmissions.
  • It is also used for signaling error conditions in wireless/LAN networks. On failure the packets are transmitted as beacons identifying neighboring active transmitters. This helps receivers in auto reconfiguration bypassing the failure.
Given the Image is Define the Beacon

Question 23

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Write in Short

Short Answer▾

If the word ‘ddosszm’ is changed to ‘central’ then what will be the change for ‘rtjbl’ ?

Explanation

Here, ddosszm = central

d = c, i.e.. first letter is decremented by 1 position

d = e, i.e.. second letter is incremented by 1 position

o = n, i.e.. third letter is decremented by 1 position

s = t, i.e.. fourth letter is incremented by 1 position

s = r, i.e.. fifth letter is decremented by 1 position

z = a, i.e.. sixth letter is incremented by 1 position

m = l, i.e.. seventh letter is decremented by 1 position

We need to follow the same pattern for the given word ‘rtjbl’

r = decrementing 1 position = q

t = incrementing 1 position = u

j = decrementing 1 position = i

b = incrementing 1 position = c

l = decrementing 1 position = k

So, ‘rtjbl’ will be changed for ‘quick’ .

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