Question # 1

An administrator is provisioning an Apache web server. When the administrator visits the server website, the browser displays a message indicating the website cannot be reached. Which of the following commands should the administrator use to verify whether the service Is running? 

A. systemctl status httpd  
B. systemctl mask httpd  
C. systemctl reload httpd  
D. systemctl restart httpd  

Show Answer

Question # 2

The journald entries have filled a Linux machine's /var volume. Which of the following is the best command for a systems administrator to use to free up the disk space occupied by these entries? 

A. journalctl ”rotate journalctl --vacuum-time=ls 
B. systemctl stop systemd-journald systemctl start systemd-journald
C. rm -rf /var/log/journal systemctl restart systemd-journald 
D. pkill -HUP systemd-journald systemctl restart systemd-journald 

Show Answer

Question # 3

A Linux administrator needs to determine if prerequisites are met. One of the application requirements is to install Perl on a system. Which of the following commands would accomplish this task? 

A. rpm -Uf perl  
B. rpm -iv perl  
C. rpm -qa perl  
D. rpm -eh perl  

Show Answer

Question # 4

A Linux administrator is tasked with moving files in a database server. The administrator must not overwrite any existing files. Which of the following commands would indicate that the file already exists? 

A. mv -i filename /tmp/backup  
B. mv -b filename /tmp/backup  
C. mv -n filename /tmp/backup  
D. mv -f filename /tmp/backup  

Show Answer

Question # 5

A Linux administrator is troubleshooting an SSHD issue on a server. Users are receiving error messages stating the connection is refused. Which of the following commands should be used to verify whether the service is listening?

A. nslookup  
B. route  
C. netstat  
D. ifconfig  

Show Answer

Question # 6

Due to performance issues on a server, a Linux administrator needs to terminate an unresponsive process. Which of the following commands should the administrator use to terminate the process immediately without waiting for a graceful shutdown? 

A. kill -SIGKILL 5545  
B. kill -SIGTERM 5545  
C. kill -SIGHUP 5545  
D. kill -SIGINT 5545  

Show Answer

Question # 7

A technician just fixed a few issues in some code and is ready to deploy the code into production. Which of the following steps should the technician take next?  

A. Create a new branch using git checkout.  
B. Perform a git clone to pull main down.  
C. Create a git pull request to merge into main.  
D. Perform a git pull to update the local copy of the code.  

Show Answer

Question # 8

An administrator is running a web server in a container named web, but none of the error output is not showing. Which of the following should the administrator use to generate the errors on the container? 

A. docker-compose inspect WEB  
B. docker logs WEB  
C. docker run ”name WEB ”volume/dev/stdout:/var/log/nginx/error.log  
D. docker ps WEB -f  

Show Answer

Question # 9

A network administrator issues the dig ww. compti a. org command and receives an NXDOMAIN response. Which of the following files should the administrator check first? 

A. /etc/resolv.conf  
B. /etc/hosts  
C. /etc/sysconfig/network-scripts  
D. /etc/nsswitch.conf  

Show Answer

Question # 10

While troubleshooting server issues, a Linux systems administrator obtains the following output: [rootGhost ~]# total free -m used free shared buf f/cache available Mem: 3736 3598 88 2 48 29 Swap: 2047 1824 223 Which of the following best describes the state of the system? 

A. The system has consumed the system memory and swap space.  
B. The system has enough free memory space.  
C. The system has swap disabled.  
D. The system has allocated enough buffer space.  

Show Answer