QUESTION: 17

What is NOT a benefit of the `fw ctl zdebug' command?

Automatically allocate a 1MB buffer
Collect debug messages from the kernel
Cannot be used to debug additional modules
Clean the buffer

Answer(s): C

When debugging is enabled on firewall kernel module using the fw ctl debug' command with required options, many debug messages are provided by the kernel that help the administrator to identify

Issues.
Which of the following is true about these debug messages generated by the kernel module?

Messages are written to /etc/dmesg file
Messages are written to a buffer and collected using `fw ctl kdebug
Messages are written to SFWDIR
Messages are written to console and also /var/log/messages file

Answer(s): B

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QUESTION: 19

During firewall kernel debug with fw ctl zdebug you received less information that expected. You noticed that a lot of messages were lost since the time the debug was started.
What should you do to resolve this issue?

Increase debug buffer Use fw ctl debug -buf 32768
Redirect debug output to file; Use fw ctl debug -o /debug.elg
Redirect debug output to file; Use fw ctl zdebug -o /debug.elg
Increase debug buffer; Use fw ctl zdebug -buf 32768

Answer(s): A

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QUESTION: 20

You need to run a kernel debug over a longer period of time as the problem occurs only once or twice a week. Therefore you need to add a timestamp to the kernel debug and write the output to a file but you cant afford to fill up all the remaining disk space and you only have 10 GB free for saving the debugs What is the correct syntax for this?

A fw ctl kdebug -T -f -m 10 -s 1000000 -o debugfilename
fw ctl debug -T -f-m 10 -s 1000000 -o debugfilename
fw ctl kdebug -T -f -m 10 -s 1000000 > debugfilename
fw ctl kdebug -T -m 10 -s 1000000 -o debugfilename

Answer(s): A

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