Q:

What is the main reason the OSI Model was created?

Answer

The OSI Model is used as a reference model.

The primary reason the OSI model was created was so that different networks could inter-operate. Hence, different networks could communicate.

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Q:

Improve the bracketed part of the sentence.

(I myself think) that this investigation is biased.

A) I think myself	B) I thought myself
C) I myself thought	D) no improvement

Answer & Explanation Answer: D) no improvement

Explanation:

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Q:

Improve the bracketed part of the sentence.

Perhaps the wolf (was waiting) to spring upon him.

A) had been waited	B) has waited
C) could be waiting	D) no improvement

Answer & Explanation Answer: D) no improvement

Explanation:

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Q:

In a face centred cubic lattice, atom A occupies the corner positions and atom B occupies the face centre positions. If one atom of B is missing from one of the face centred points, the formula of the compound is

1) $A_{2} B_{5}$

2) $A_{3} B_{2}$

3) $A_{2} B_{3}$

4) $A_{3} B_{4}$

A) Option 1	B) Option 2
C) Option 3	D) Option 4

Answer & Explanation Answer: A) Option 1

Explanation:

$Z_{A} = \frac{8}{8}$ ; $Z_{B} = \frac{5}{2}$

So formula of compound is $A B_{\frac{5}{2}}$

i.e., $A_{2} B_{5}$ .

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Q:

Which of the following electromagnetic waves has minimum wavelength?

A) Alpha	B) Gamma
C) Infrared	D) X-rays

Answer & Explanation Answer: B) Gamma

Explanation:

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Q:

Who was the founder of Sikhism?

A) Guru Ram Das	B) Guru Nanak Dev
C) Guru Angad	D) Guru Gobid Singh

Answer & Explanation Answer: B) Guru Nanak Dev

Explanation:

Sikhism was founded by Guru Nanak Dev ji. And the holy city of Sikhs, Amritsar was founded by Guru Ram Das Ji.

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Q:

Which is the point from where an azimuth originates?

A) South	B) North
C) East	D) West

Answer & Explanation Answer: B) North

Explanation:

The azimuth originates at true North i.e, the azimuth originates from the north point. It is a measure of how far an object forms the observer's north point.

Azimuth is a technical mapping term which is used to describe the direction of an angle between north and south on a compass circle through which the circle line passes. It is the most common military method to express direction. When using an azimuth, the point from which the azimuth originates is the center of an imaginary circle.

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Q:

Communication by touch is called

A) Haptics communication	B) Proxemics communication
C) Semantics communication	D) Chronemics communication

Answer & Explanation Answer: A) Haptics communication

Explanation:

Communication by touch is called Haptics communication and the study of this is called as Haptics.

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