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Linux (Computer Science) Question and Answers-Page first

Linux problems


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  • 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     

  • 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     

  • 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     

  • 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     

  • 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     

  • 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     

  • 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     

  • 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     

  • 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     

  • 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     


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