1. What command is used to save the standard output in a file, as well as display it on the terminal?

A. tee
B. grep
C. cat
D. more
E. None of the above

2. What command is used to count just the number of lines contained in a file?

A. wc – r
B. wc – w
C. wc – c
D. wc – l
E. None of the above

3. In OSI network architecture, the routing is performed by

A. session layer
B. transport layer
C. data link layer
D. network layer
E. None of the above

4. The 32-bit internet address 10000000 00001010 00000010 00011110 will be written in dotted decimal notation as

A. 128.10.2.30
B. 210.20.2.64
C. 164.100.9.61
D. 148.20.2.30
E. None of the above

5. Which class network is used for a collection of a small number of networks with a large number of nodes?

A. Class A
B. Class B
C. Class C
D. All of the above
E. None of the above