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What component of a system does smartd monitor?

1. A. CPU
2. B. RAM
3. C. Hard drives
4. D. Ethernet traffic

Correct Answer: C

A database application requires a maximum shared memory segment (shmmax) of 2GB (2147483648 Bytes). Which configuration file should be modified to set this kernel parameter permanently? (Specify the full name of the file, including path.)
Solution:
/etc/sysctl.conf

Does this meet the goal?

1. A. Yes
2. B. No

Correct Answer: A

Which of the filter keywords below could be used in the following command:
tcpdump –i eth0 ______203.0.113.8 (Choose three.)

1. A. host
2. B. ip
3. C. src
4. D. dst
5. E. ipv6

Correct Answer: ACD

Which of the following commands will securely copy the directory ./fyf/ to /var/tmp/ on the remote host deltaur using the remote user account kevin?

1. A. rsync -a -e ssh kevin@deltaur:/var/tmp/ fyf/
2. B. rsync -a -u kevin -e ssh fyf/ deltaur:/var/tmp/
3. C. rsync -a -u kevin -e ssh deltaur:/var/tmp/ fyf/
4. D. rsync -a -e ssh fyf/ kevin@deltaur:/var/tmp/

Correct Answer: D

What command ensures that the file systems are written to disk after a lot of write operations? (Specify ONLY the command without any path or parameters.)
Solution:
sync

Does this meet the goal?

1. A. Yes
2. B. No

Correct Answer: A