Linux MCQs with answers Page - 52

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Q. Which of the following umask settings allow execute permission to be
set by default on regular files

  • (A) 000
  • (B) 111
  • (C) 222
  • (D) None of these
💬 Discuss
✅ Correct Answer: (D) None of these

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 10:11 pm in Linux

Q. The command chmod 4777 a.out

  • (A) will set the sticky bit of a.out
  • (B) is not a valid command
  • (C) will set the suid bit of a.out only if the command is issued by root
  • (D) will set the suid bit of a.out
💬 Discuss
✅ Correct Answer: (D) will set the suid bit of a.out

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 10:12 pm in Linux

Q. SOCK_STREAM sockets are used by ______ processes.

  • (A) UDP
  • (B) TCP
  • (C) SCTP
  • (D) None of these
💬 Discuss
✅ Correct Answer: (B) TCP

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 10:14 pm in Linux

Q. SOCK_DGRAM sockets are used by ______ processes.

  • (A) UDP
  • (B) TCP
  • (C) SCTP
  • (D) None of these
💬 Discuss
✅ Correct Answer: (A) UDP

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 10:14 pm in Linux

Q. An interface is a set of ___________ designed to facilitate interaction between two entities

  • (A) rules
  • (B) programs
  • (C) instructions
  • (D) none of these
💬 Discuss
✅ Correct Answer: (C) instructions

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 10:15 pm in Linux

Q. How many types of sockets are there?

  • (A) 2
  • (B) 4
  • (C) 3
  • (D) 5
💬 Discuss
✅ Correct Answer: (B) 4

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 10:15 pm in Linux

Q. If a signal is received by a process, when will it be processed?

  • (A) It is processed in the next time slice given to the process
  • (B) It is processed immediately
  • (C) It is processed when process is switching to kernel mode
  • (D) All of these
💬 Discuss
✅ Correct Answer: (C) It is processed when process is switching to kernel mode

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 10:16 pm in Linux

Q. Which signal is generated when we press control-C?

  • (A) SIGSEGV
  • (B) SIGKILL
  • (C) SIGTERM
  • (D) SIGINT
💬 Discuss
✅ Correct Answer: (D) SIGINT

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 10:17 pm in Linux

Q. Which signal is generated when we press ctrl-Z?

  • (A) SIGINT
  • (B) SIGABRT
  • (C) SIGSTOP
  • (D) SIGKILL
💬 Discuss
✅ Correct Answer: (A) SIGINT

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 10:17 pm in Linux

Q. Which signal is sent when the Child process terminates?

  • (A) SIGCHLD
  • (B) SIGSTOP
  • (C) SIGKILL
  • (D) SIGINIT
💬 Discuss
✅ Correct Answer: (C) SIGKILL

Published by Ram Sharma ⭐ 193.88K Points at 05-Jul-2022 10:18 pm in Linux

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