What is the purpose of a PTR record?

What is the purpose of a PTR record?A . To provide name to IP resolution.B . To provide IP to name resolution.C . To direct email to a specific host.D . To provide additional host information.E . To direct clients to another nameserver.View AnswerAnswer: B

August 23, 2020No CommentsREAD MORE +

If you change the contents of /etc/auto.project to include a new source path what must be done to access the new path?

You have elected to use the automounter and the autofs script. Your /etc/auto.master file contains the following: /home /etc/auto.home /project /etc/auto.project /data yp:data.map If you change the contents of /etc/auto.project to include a new source path what must be done to access the new path?A . Shutdown and restart the...

August 23, 2020No CommentsREAD MORE +

After unpacking the source code for a Linux kernel, what is the first make command that should be run which will delete any current configuration and all generated files?

After unpacking the source code for a Linux kernel, what is the first make command that should be run which will delete any current configuration and all generated files? This command will ensure that no inappropriate files were left in the kernel archive by the maintainer.A . make dependB ....

August 23, 20201 CommentREAD MORE +

Which option, when passed to the hostname command, will return the name of the DNS domain? (Provide only the option)

Which option, when passed to the hostname command, will return the name of the DNS domain? (Provide only the option)View AnswerAnswer: -d

August 23, 2020No CommentsREAD MORE +

What command should you run before recompiling the code into binary form?

You have finished updating and resolving dependencies for some source code. What command should you run before recompiling the code into binary form?A . make cleanB . make allC . make depD . make installView AnswerAnswer: A

August 23, 2020No CommentsREAD MORE +

Select the TWO correct alternatives regarding the kill -9 command:

Select the TWO correct alternatives regarding the kill -9 command:A . Its use should be avoided and other alternatives should be tried before it.B . Its use can occasionally cause the data loss.C . It is possible that zombie processes can be created as a consequence of its use.D ....

August 22, 2020No CommentsREAD MORE +

How can a journal added, non-destructively, to the ext2 file-system on /dev/dg/lv05?

How can a journal added, non-destructively, to the ext2 file-system on /dev/dg/lv05? Please enter the command with all parameter(s):View AnswerAnswer: tune2fs -j /dev/dg/lv05

August 22, 2020No CommentsREAD MORE +

Why shouldn't you use the options -z and -j when using tar with a magnetic tape backup?

Why shouldn't you use the options -z and -j when using tar with a magnetic tape backup?A . In case of damaged tape uncompressed tar archives may allow partial recovery of the backupB . Standard Linux compression software and hardware compresion in the tape drive will cause bigger files on...

August 22, 2020No CommentsREAD MORE +

What information can be found in the log file specified by the status parameter in OpenVPN's server.conf? (Select TWO correct answers)

What information can be found in the log file specified by the status parameter in OpenVPN's server.conf? (Select TWO correct answers)A . Errors and warnings generated by the openvpn daemonB . Routing informationC . Statistical information regarding the currently running openvpn daemonD . A list of currently connected clientsE ....

August 22, 2020No CommentsREAD MORE +

What command will remove the physical volume /dev/sda4 from the volume group /dev/vg0?

What command will remove the physical volume /dev/sda4 from the volume group /dev/vg0? (Provide the command with options and parameters)View AnswerAnswer: vgreduce /dev/vg0 /dev/sda4

August 22, 2020No CommentsREAD MORE +