1Z0-105 Web TestEngine demo

You run the crash utility on an Oracle Linux system after a kernel panic and use the bt -a command as shown:
crash> bt a

crash> bt -a

PID: 286 TASK: c0b3a000 CPU: 0 COMMAND: "in.rlogind"

#0 [c0b3be90] crash_save_current_state at c011aed0
#1 [c0b3bea4] panic at c011367c
#2 [c0b3bee8] tulip_interrupt at c01bc820
#3 [c0b3bf08] handle_IRQ_event at c010a551
#4 [c0b3bf2c] do_8259A_IRQ at c010a319
#5 [c0b3bf3c] do_IRQ at c010a653
#6 [c0b3bfbc] ret_from_intr at c0109634

#7 [c0b3bfbc] sys_select at c012f803
#8 [c0b3bfc0] system_call at c0109598

Which two statements are true about the purpose of the bt a command?

Select all that apply.

• A

  It shows stack traces of all tasks and threads.

• B

  It shows stack traces of the active task on each CPU.

• C

  The output of each CPU must be requested separately.

• D

  It may help show a relationship between panicking tasks on one CPU and tasks on other CPUs.