NCO- Cyber Olympiad (SOF) Class 12: Questions 53 - 57 of 520

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Question number: 53

» Computer » Networking & Topologies

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MCQ▾

Question

A device that electrically amplifies the signal as it moves from one connected device to another is called ________.

Choices

Choice (4)Response

a.

Bridge

b.

Exo Hub

c.

Active Hub

d.

Passive Hub

Question number: 54

» Computer » Programming in C++

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MCQ▾

Question

Find the Output of the given C++ Program.

  1. #include<iostream.h>
  2. #include<conio.h>
  3. inline double square (int n)
  4. {
  5.     return n*n;
  6. }
  7. inline float average (int n1int n2)
  8. {
  9.     return ((float)(n1+n2)/2);
  10. }
  11. int main()
  12. {
  13.     cout<<”⧵n Square is = ”<<square(11);
  14.     cout<<”⧵n Average is = ”<<average(10,21);
  15.     return 0;

Choices

Choice (4)Response

a.

Squareis = 121Averageis = 15

b.

c.

d.

Question number: 55

» Computer » HTML

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MCQ▾

Question

Which of the following HTML tag is used to highlight or mark the text in the document?

Choices

Choice (4)Response

a.

< elect >

b.

< color >

c.

< highlight >

d.

< mark >

Question number: 56

» Computer » Network Security Concepts

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MCQ▾

Question

Which of the following is a Telecommunications Protocols in Internet Telephony for Voice and video calls via Multimedia Communication Sessions?

Choices

Choice (4)Response

a.

SIP

b.

DTD

c.

SEP

d.

IPS

Question number: 57

» Computer » Programming in C++

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MCQ▾

Question

What will be the value of x in the given program?

  1. #include<iostream.h>
  2. int main()
  3. {
  4.     int change (int);
  5.     int x=10;
  6.     change (x);
  7.     cout<<x;
  8.     return 0;
  9. }
  10. int change(int x)
  11. {
  12.     x=20;
  13.     return 0;
  14. }

Choices

Choice (4)Response

a.

10

b.

30

c.

20

d.

Question does not provide sufficient data or is vague

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