If the source code of a software is freely accessible by the public, then it is known as

(a)

freeware

(b)

Firmware

(c)

Open source

(d)

Public source

Which of the following is a software program that replicates the functioning of a computer network?

(a)

Network software

(b)

Network simulation

(c)

Network testing

(d)

Network calculator

Which of the following can document every incident that happened in the simulation and are used for examination?

(a)

Net Exam

(b)

Network hardware

(c)

Trace file

(d)

Net document

Which is an example of network simulator?

(a)

simulator

(b)

TCL

(c)

Ns2

(d)

C++

Fill in the blanks : NS2 comprises of ______key languages?

(a)

13

(b)

3

(c)

2

(d)

4