Basic of Linux/Unix - Computer Science Questions & Answers

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6 . The physical layer of a network

A.	constructs packets of data and sends them across the network
B.	controls error detection and correction
C.	defines the electrical characteristics of signals passed between the computer and communication devices
D.	All of the above

7 . What TCP/IP protocol is used for remote terminal connection service?

A.	UDP	B.	RARP
C.	FTP	D.	TELNET

8 . How many networks and nodes per network, are allowed by the Class B network?

A.	127 networks and 16,777,216 nodes per network
B.	16,384 networks and 65,534 nodes per network
C.	2,097,152 networks and 254 nodes per network
D.	All of the above

9 . What service is used to translate domain names to IP addresses?

A.	NFS	B.	SMB
C.	NIS	D.	DNS

10 . Which of the following command is used to create a Linux installation boot floppy?

A.	mkboot disk	B.	bootfp disk
C.	ww and rawwrite	D.	dd and rawrite