Linux problems
- 1. What command is used to count the total number of lines, words, and characters contained in a file?
Options- A. countw
- B. wcount
- C. wc
- D. count p
- E. None of the above Discuss
Correct Answer: wc
- 2. What protocol(s) is(are) allowed a user to retrieve her/his mail from the mail server to her/his mail reader?
Options- A. POP3
- B. FTP
- C. MAP
- D. All of the above
- E. None of the above Discuss
Correct Answer: POP3
- 3. Which of the following NIS clients, finds and stores information about an NIS domain and server?
Options- A. ypwhich
- B. ypbind
- C. ypcat
- D. yppoll
- E. None of the above Discuss
Correct Answer: ypbind
- 4. Layer one of the OSI model is
Options- A. network layer
- B. transport layer
- C. link layer
- D. physical layer
- E. None of the above Discuss
Correct Answer: physical layer
- 5. What file specifies the order in which to use specified name services?
Options- A. /etc/services
- B. /etc/nsorder
- C. /etc/nsswitch.conf
- D. /etc/hosts
- E. None of the above Discuss
Correct Answer: /etc/nsswitch.conf
- 6. In which tcp_wrappers file can you specify to allow all connections from all hosts?
Options- A. /etc/hosts.allow
- B. /etc/hosts.deny
- C. /etc/hosts
- D. /etc/tcp.conf
- E. None of the above Discuss
Correct Answer: /etc/hosts.allow
- 7. How many networks and nodes per network, are allowed by the Class B network?
Options- 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
- E. None of the above Discuss
Correct Answer: 16,384 networks and 65,534 nodes per network
- 8. How could you install the file ipchains-1.3.9-5.i386.rpm?
Options- A. rpm -qip ipchains
- B. rpm -Uvh ipchains
- C. rpm -i ipchains* .i386.rpm
- D. rpm -e ipchains-1.3.9-5.i386.rpm
- E. None of the above Discuss
Correct Answer: rpm -i ipchains* .i386.rpm
- 9. How can you add Amit, a new user, to your system?
Options- A. Using useradd
- B. Using adduser
- C. Using linuxconf
- D. All of the above
- E. None of the above Discuss
Correct Answer: All of the above
- 10. What command is used to add printing jobs to the queue?
Options- A. lpd
- B. lpr
- C. lpq
- D. lpc
- E. None of the above Discuss
Correct Answer: lpr
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