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Q1: An organization's business office needs to collaborate on quarterly reports and asks the systems administrator to create a finance group. The administrator creates the following directory: drwxrwxr-x Business Business |j096 Oct 15 16:40 Q1 Which of the following commands will allow all members of the finance group to have group ownership of all files created in the Q1 directory while ensuring that members of the business group preserve access? (Select two).
A: chmod g+s Q1/
B: chmod u+s Q1/
C: chmod a+x Q1/
D: chown Finance Q1/
E: chmod g+x Q1/
Answer
Correct Answer: A, D
Q2: A Linux administrator is enabling root log-in over SSH on a server. Which of the following combinations of files and parameters should the administrator modify to accomplish this task?
A: /etc/ssh/ssh_config – PermitRootLogin
B: /etc/ssh/ssh_config – AllowRootLogin
C: /etc/ssh/sshd_config – PermitRootLogin
D: /etc/ssh/sshd_config – AllowRootLogin
Answer
Correct Answer: C
Q3: A Linux administrator needs to remove all local firewall rules on a Linux system. Which of the following commands should the administrator run?
A: iptables -D
B: iptables -L
C: iptables -F
D: iptables -A
Answer
Correct Answer: C
Q4: Users are reporting that a Linux server is responding slowly. A systems administrator troubleshooting the server issue sees the following iostat output, with %iowait at 50.38. Which of the following is most likely the issue?
A: The CPU is mostly waiting for I/O operations.
B: / filesystem does not have enough storage allocated.
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