ESE EC 2018 Achiever Study Plan: Advanced Communication Quiz 4

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Question 1

Server X sends bit 1 with data key 100101 while server Y sends bit 0 with data key 010110. What will receiver obtain for server X, when two binary signals are send at same time with 0 coded as -1 and 1 coded as +1 with noise signals as 0, +1, -1, 0, 0, -1.

• A0
• B+1
• C1
• D+2

Question 2

Which among the following class of IP Addresses will have maximum possible network IDs?

• AClass A
• BClass B
• CClass C
• DClass D

Question 3

In pyramidal horn antenna, the value of K is around:

• A1.5 – 2.5
• B0.5 – 0.6
• C0.1 – 0.3
• D1.1 – 1.4

Question 4

The figure below describes fixed channel allocation method with borrowing where cells are marked as cell 2 and cell 1. In this, if cell 1 are not allowed to use a4 channel, then which among the following options are correct?

i. figure contains 2 adjacent cells with a4 channel after borrowing
ii. channel a4 is locked with cells marked as cell 2
iii. transferring rates will increase after borrowing
iv. low quality receiving of voice due to borrowing

• Ai, ii and iii
• Bonly ii
• Cboth ii and iv
• Dboth i and ii

Question 5

The end-to-end layer of OSI model is:

• AData link layer
• BPhysical layer
• CSession layer
• DTransport layer

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