QUESTION: 37

A systems administrator is checking the system logs. The administrator wants to look at the last 20 lines of a log. Which of the following will execute the command?

tail -v 20
tail -n 20
tail -c 20
tail -l 20

Answer(s): B

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An administrator is trying to diagnose a performance issue and is reviewing the following output:
System Properties:
CPU: 4 vCPU
Memory: 40GB
Disk maximum IOPS: 690
Disk maximum throughput: 44Mbps | 44000Kbps
Based on the above output, which of the following BEST describes the root cause?

The system has reached its maximum IOPS, causing the system to be slow.
The system has reached its maximum permitted throughput, therefore iowait is increasing.
The system is mostly idle, therefore the iowait is high.
The system has a partitioned disk, which causes the IOPS to be doubled.

Answer(s): A

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QUESTION: 39

A systems administrator wants to test the route between IP address 10.0.2.15 and IP address 192.168.1.40. Which of the following commands will accomplish this task?

route -e get to 192.168.1.40 from 10.0.2.15
ip route get 192.163.1.40 from 10.0.2.15
ip route 192.169.1.40 to 10.0.2.15
route -n 192.168.1.40 from 10.0.2.15

Answer(s): B

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QUESTION: 40

A Linux administrator was tasked with deleting all files and directories with names that are contained in the sobelete.txt file. Which of the following commands will accomplish this task?

xargs -f cat toDelete.txt -rm
rm -d -r -f toDelete.txt
cat toDelete.txt | rm -frd
cat toDelete.txt | xargs rm -rf

Answer(s): D

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QUESTION: 40

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