Crucial Exams

CompTIA Linux+ XK0-006 (V8) Practice Question

While working in an interactive Bash session you start tcpdump in the foreground, which immediately floods the terminal with live packet data. A few seconds later you need the prompt back so you can run other commands, but you also want to resume the capture in the foreground later without losing any packets already buffered. You press Ctrl + z.

Which statement accurately describes the state of the tcpdump process immediately after you press that key sequence?

  • Bash renices the process to the lowest priority (19) but leaves it running in the foreground, so the packet data still scrolls.

  • The shell sends SIGTERM to the process, it exits immediately, and the shell returns an exit status of 130.

  • It keeps running normally in the background after relinquishing control of the terminal and will continue printing output until you use fg.

  • The process receives SIGTSTP, is put into the shell's job table in a stopped state (STAT "T"), and uses no CPU until resumed with bg or fg.

CompTIA Linux+ XK0-006 (V8)
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