Linux+ Networking Chapter 10
Linux+ Networking Chapter 10
- 1.Which command entered without arguments is used to display a list of processes running in the current shell?
- A.
Ppid
- B.
List
- C.
Pid
- D.
Ps
- 2.The term used to describe a process spawning or initiating another process is referred to as_________.
- A.
A child process
- B.
Forking
- C.
Branching
- D.
Parenting
- 3.How can you bypass the wait function and send a user process to the background?
- A.
This cannot happen once a process is executing; it can only be done when the command is started by placing an ampersand (&) after it.
- B.
This cannot happen; only daemon processes can run in the background.
- C.
You can use the ps command.
- D.
You can use the Ctrl+z key combination and the bg command.
- 4.The at command is used to _______________.
- A.
Schedule processes to run periodically in the background
- B.
Schedule processes to run periodically on a recurring basis in the future
- C.
Schedule processes to run at a single instance in the future
- D.
Schedule processes to run in the foreground
- 5.What command is used to view and modify user jobs scheduled to run with cron?
- A.
Crontab
- B.
Cron
- C.
Ps
- D.
Sched
- 6.Every process has a process ID and a__________.
- A.
Fork process
- B.
Daemon
- C.
Child process
- D.
Parent process ID
- 7.The killall command terminates _____________.
- A.
All instances of a process with the same PPID
- B.
All instances of a process with the same PID
- C.
All instances of a process with the same priority
- D.
All instances of a process with the same name
- 8.Nice values are used to affect process priorities using a range between _____________.
- A.
0 and 20
- B.
0 and -19
- C.
–19 and 20
- D.
–20 and 19
- 9.What is the name given to a process not associated with a terminal?
- A.
Child process
- B.
Parent process
- C.
User process
- D.
Daemon process
- 10.To kill a process running in the background, you must place a % character before its process ID. True or False?
- A.
True
- B.
False
- 11.What kill level signal cannot be trapped?
- A.
1
- B.
9
- C.
3
- D.
15
- 12.A runaway process that is faulty and consuming mass amounts of system resources ___________.
- A.
Is a zombie process
- B.
Is an orphaned process
- C.
Has a PPID of Z
- D.
Is a rogue process
- 13.Which command is used to gain real-time information about processes running on the system with the most processor-intensive processes listed at the beginning of the list?
- A.
Ps
- B.
Ps -elf
- C.
Top
- D.
Top -l
Questions: 18 | Attempts: 1546 | Last updated: Mar 22, 2022
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Sample QuestionThe operating system software is necessary for a computer to function. True or False?
Questions: 18 | Attempts: 1049 | Last updated: Mar 21, 2022
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Sample QuestionYou want to see the filesystems that are presently in use on the system. What command could you use?
Questions: 19 | Attempts: 1012 | Last updated: Mar 21, 2022
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Sample QuestionA symbolic link is also known as a soft link and is depicted by an @ appearing at the beginning of the filename when viewed using the ls –l command. True or False?
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