DEMO QUESTIONS

Q1: Which are three of the network bonding modes supported in Oracle Linux 8?

A: Multicast

B: Round-robin

C: Split Horizon

D: 802.3ad

E: Poison Reverse

F: Active Backup

G: Passive Backup

Correct Answer: B, D, F

Q2: You must add an additional swap device and you add this entry to /etc/fstab: /.swapfile none swap defaults 0 0 Examine these commands and output: # dd if=/dev/zero of=/.swapfile bs=1024 count=1048576 1048576+0 records in 1048576+0 records out 1073741824 bytes (1.1 GB, 1.0 GiB) copied, 4.32499 s, 248 MB/s # swapon -a swapon: /.swapfile: insecure permissions 0644, 0600 suggested. swapon: /.swapfile: read swap header failed Which two actions must you perform to add this swap device?

A: Initialize the .swapfile file by using the mkswap command.

B: Execute swapon -all.

C: Change defaults to user in the /etc/fstab entry.

D: Assign a label to the .swapfile file by using the swaplabel command.

E: Execute swapon -L swapfile /.swapfile after adding a label.

F: Use a physical disk partition type of 82 (Linux swap).

Correct Answer: A, C

Q3: Which two statements are true about the at and batch commands?

A: batch schedules the execution of recurring tasks.

B: at schedules the execution of recurring tasks.

C: Both at and batch read from standard input, or you can specify a file and execute the commands with the -f option.

D: batch executes a task when the system load average is greater than 0.8.

E: at executes a one-time task to run at a specific time.

Correct Answer: C, E

Q4: Which two methods of changing kernel parameters can you use to modify values for the running system?

A: Issuing the sysctl -w command to write values to specific files in the /proc/sys directory.

B: Using the echo command to write values to specific files in the /proc/sys directory.

C: Issuing the sysctl -w command to write values to specific files in the /sys directory.

D: Using the echo command to write values to specific files in the /sys directory.

E: Adding to or modifying parameters and values in the /etc/sysctl.conf file followed by issuing the sysctl -p command.

Correct Answer: A, B

Q5: Which mdadm command creates a RAID-1 device consisting of two block volumes and one spare device?

A: mdadm --create /dev/md0 --level=5 --raid-devices=2 /dev/xvdd1 /dev/xvdd2 --spare-devices=1 /dev/xvdd3

B: mdadm --create /dev/md0 --level=1 --raid-devices=2 /dev/xvdd1 /dev/xvdd2

C: mdadm --create /dev/md0 --level=1 --raid-devices=2 /dev/xvdd1 /dev/xvdd2 --spare-devices=1 /dev/xvdd3

D: mdadm --create /dev/md0 --level=0 --raid-devices=2 /dev/xvdd1 /dev/xvdd2 --spare-devices=1 /dev/xvdd3

Correct Answer: C
[acf_quiz]

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