NEW QUESTION 1
Which of the following configuration management tools is considered agentless?

• A. Ouppet
• B. Salt
• C. Ansible
• D. Chef

Answer: C

NEW QUESTION 2
The lead Linux has added a disk, /dev/sdd, to a VM that is running out of disk space. Place the following steps in the correct order from first (1) to last (4) to add the disk to the existing LVM.

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:

NEW QUESTION 3
While creating a file on a volume, the Linux administrator receives the following message: No space left on device. Running the df –m command, the administrator notes there is still 50% of usage left. Which of the following is the NEXT step the administrator should take to analyze the issue without losing data?

• A. Run the df –i command and notice the inode exhaustion
• B. Run the df –h command and notice the space exhaustion
• C. Run the df –B command and notice the block size
• D. Run the df –k command and notice the storage exhaustion

Answer: A

NEW QUESTION 4
An administrator needs to mount the shared NFS file system testhost:/testvolume to mount point /mnt/testvol and make the mount persistent after reboot.
Which of the following BEST demonstrates the commands necessary to accomplish this task?

• A.
• B.
• C.
• D.

Answer: C

NEW QUESTION 5
A Linux administrator implemented a new HTTP server using the default configuration. None of the users on the network can access the server. If there is no problem on the network or with the users’ workstations, which of the following steps will BEST analyze and resolve the issue?

• A. Run netstat to ensure the port is correctly bound, and configure the firewall to allow access on ports 80 and 443
• B. Run route to ensure the port is correctly bound, and configure the firewall to allow access on ports 80 and 443
• C. Run netcat to ensure the port is correctly bound, and configure a static route to the web to allow access on ports 80 and 443
• D. Run route to ensure the port is correctly bound, and configure SELinux to allow access on ports 80 and 443

Answer: C

NEW QUESTION 6
A systems administrator suspects a process with a PID of 2864 is consuming resources at an alarming rate. The administrator uses the command renice -n -5 -p2864, but it does not solve the issue. Which of the
following commands should the administrator execute to correct the issue?

• A. nice -n 5 -p 2864
• B. nice -n -5 -p 2864
• C. renice -n 10 -p 2864
• D. renice -n -10 -p 2864

Answer: D

NEW QUESTION 7
A systems administrator needs to install a new piece of hardware that requires a new driver. The driver should be manually installed. Which of the following describes the order of commands required to obtain module information, install the module, and check the log for any errors during module installation?

• A. lsmod, modprobe, modinfo
• B. modinfo, insmod, modprobe
• C. modinfo, insmod, dmesg
• D. lsmod, insmod, dmesg

Answer: A

NEW QUESTION 8
A Linux systems administrator needs to set permissions on an application with the following parameters: The owner of the application should be able to read, write, and execute the application.
Members of the group should be able to read and execute the application. Everyone else should not have access to the application.
Which of the following commands would BEST accomplish these tasks?

• A. chmod 710 <application name>
• B. chmod 730 <application name>
• C. chmod 750 <application name>
• D. chmod 760 <application name>

Answer: D

NEW QUESTION 9
An administrator needs to see the type of CPU that a server is running. Which of the following files contains this information?

• A. /proc/cpuinfo
• B. /etc/devices/info.conf
• C. /dev/proc/cpu
• D. /sys/dev/cpuinfo

Answer: A

NEW QUESTION 10
A junior system administrator had trouble installing and running an Apache web server on a Linux server. You have been tasked with installing the Apache web server on the Linux server and resolving the issue that prevented the junior administrator from running Apache.
INSTRUCTIONS
Install Apache and start the service. Verify that the Apache service is running with the defaults. Typing “help” in the terminal will show a list of relevant commands.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button. CentOS Command Prompt

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:

NEW QUESTION 11
An administrator has modified the configuration file for a service. The service is still running but is not using the new configured values. Which of the following will BEST remediate this issue?

• A. kill -HUP
• B. init 0
• C. service start
• D. renice -10

Answer: A

NEW QUESTION 12
A Linux administrator is using a public cloud provider to host servers for a company’s website. Using the
provider’s tools, the administrator wrote a JSON file to define how to deploy the servers. Which of the following techniques did the administrator use?

• A. Infrastructure as code
• B. Build automation
• C. Platform as a service
• D. Automated configuration

Answer: B

NEW QUESTION 13
A systems administrator is unable to reach other devices on the network and the Internet. The server is configured with the IP address 192.169.1.50/24 on eth0. The server’s router is 192.168.1.1. The administrator reviews the output of route –n:

Which of the following commands should the administrator run to correct the issue?

• A. route del default gw 192.168.2.1 eth0; route add default gw 192.168.1.1 eth0
• B. route add –net 192.168.10.0 netmask 255.255.255.0 gw 192.168.2.1 eth0
• C. route add 192.168.1.1 default 192.168.1.50 eth0
• D. route host gw 192.168.1.1 eth0

Answer: B

NEW QUESTION 14
Which of the following statements BEST represents what the term “agentless” means regarding orchestration?

• A. Installation of a tool is not required on the remote system to perform orchestration tasks
• B. It facilitates version control when using infrastructure as code during orchestration
• C. It automatically removes malware from the remote system during orchestration
• D. A tool can only be accessed remotely to perform orchestration tasks

Answer: A

NEW QUESTION 15
A new HTTPS web service is being deployed on a server. Which of the following commands should the Linux administrator use to ensure traffic is able to flow through the system firewall to the new service?

• A. iptables –I OUTPUT –p tcp --sport 443 –j ACCEPT
• B. iptables –A INPUT –p tcp --dport 443 –j ACCEPT
• C. iptables –I INPUT --dport 443 –j ACCEPT
• D. iptables –A OUTPUT –p tcp --dport 443 –j ACCEPT

Answer: C

NEW QUESTION 16
A Linux administrator built a GitLab server. Later that day, a software engineer tried to access the server to upload the repository during the final step of installation. The software engineer could not access the website. Which of the following firewall rules would allow access to this site?

• A. iptables –A INPUT –p tcp –m multiport --dports 80,443 –m conntrack –cstate NEW, ESTABLISHED –j ACCEPT
• B. iptables –A INPUT –p tcp –m multiport --dports 80,443 –m conntrack –cstate ESTABLISHED –j ACCEPT
• C. iptables –A INPUT –p tcp –m multiport --dports 80,443 –m conntrack –cstate RELATED, ESTABLISHED –j ACCEPT
• D. iptables –A INPUT –p tcp –m multiport --dports 80,443 –m conntrack –cstate NEW, ESTABLISHED –j REJECT

Answer: C

NEW QUESTION 17
A Linux systems administrator needs to provision multiple web servers into separate regional datacenters. The systems architect has instructed the administrator to define the server infrastructure using a specific tool that consumes a text-based file.
Which of the following is the BEST reason to do this?

• A. To document the infrastructure so it can be included in the system security plan
• B. To ensure the administrator follows the planning phase of the system development life cycle
• C. To define the infrastructure so it can be provisioned consistently with minimal manual tasks
• D. To validate user requirements have been met within each regional datacenter for compliance

Answer: B

NEW QUESTION 18
A junior administrator is migrating a virtual machine from a Type 1 hypervisor to a Type 2 hypervisor. To ensure portability, which of the following formats should the administrator export from the Type 1 hypervisor to ensure compatibility?

• A. OWASP
• B. VDI
• C. VMDK
• D. OVA

Answer: D

NEW QUESTION 19
A junior systems administrator created a new filesystem /dev/sda1 with mountpoint /data and added it to the
/etc/fstab for auto-mounting.
When the systems administrator tries to mount the file system, the system refuses. Given the output below:

Which of the following steps is necessary?

• A. Change the filesystem from /dev/sda1 to /dev/sda2 and reboot.
• B. Change the options to auto,dev,sync,rw,nosuid and run the mount -a command.
• C. Change the mount point to data and reboot.
• D. Change the dump column to 1 and run the mount -a command.

Answer: B

NEW QUESTION 20
A Linux administrator installed a new network adapter and temporarily disabled the network service from starting on boot. The partial output of chkconfig is as follows:

Which of the following commands BEST describes how the administrator should re-enable the network service?

• A. chkconfig --level 0 network on
• B. chkconfig --level 0-6 network on
• C. chkconfig --level 6 network on
• D. chkconfig --level 12 network on
• E. chkconfig --level 345 network on

Answer: E

NEW QUESTION 21
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