101-500 Free Practice Test

- (Exam Topic 1)
You suspect that a new ethernet card might be conflicting with another device. Which file should you check
within the /proc tree to learn which IRQs are being used by which kernel drivers?
Solution:
interrupts, /proc/interrupts

Does this meet the goal?

1. A. Yes
2. B. No

Correct Answer: A

- (Exam Topic 2)
Which of the following environment variables overrides or extends the list of directories holding shared libraries?

1. A. LD_LOAD_PATH
2. B. LD_LIB_PATH
3. C. LD_LIBRARY_PATH
4. D. LD_SHARE_PATH
5. E. LD_RUN_PATH

Correct Answer: C

- (Exam Topic 4)
Which of the following commands will produce the following output?

1. A. jobs
2. B. proclist
3. C. netstat
4. D. ps

Correct Answer: D

- (Exam Topic 3)
Which signal is missing from the following command that is commonly used to instruct a daemon to reinitialize itself, including reading configuration files?
Solution:
killall -s ______ daemon
HUP, SIGHUP, 1

Does this meet the goal?

1. A. Yes
2. B. No

Correct Answer: A

- (Exam Topic 1)
Which file in the /proc filesystem lists parameters passed from the bootloader to the kernel? (Specify the file name only without any path.)
Solution:
cmdline, /proc/cmdline

Does this meet the goal?

1. A. Yes
2. B. No

Correct Answer: A