NO.96 A junior systems administrator needs to schedule a backup script named /scripts/backup.sh and make the correct changes to the crontab.
Which of the following crontab entries would run the script every Monday at 2:05 a.m.?

NO.97 Ann, a junior Linux administrator, needs to copy software from her local machine to assist in developing a software application on a remote machine with the IP address 192.168.3.22. The file needs to be placed on the
/tmp directory. After downloading the RPM to the local machine, which of the following commands would be BEST to use to copy the software?

NO.98 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.

NO.99 After running an Nmap scan on a local area network, a penetration tester notices several older Linux servers have port 23 open Which of the following should the systems administrator do as a secunty best practice?

NO.100 A systems administrator needs to allow the Linux server to receive HTTP connections from Internet hosts. By default, the port for HTTP connections is blocked. Which of the following rules should be added in the firewall to allow this type of connection?

NO.101 A server is almost out of free memory and is becoming unresponsive. Which of the following sets of commands will BEST mitigate the issue?

NO.102 Find the file named core and remove it from the system.
INSTRUCTIONS
Type “help” to display a list of available commands.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.

NO.103 A Linux administrator receives a call from the network operations team that one of the database applications is down on a Linux server. The Linux server is configured with RAID 1 for redundancy, and the array /dev/md0 consists of two devices called /dev/sda1 and /dev/sdb1. After looking at the status of the RAID 1 array in the
/proc/mdstat file, the administrator discovers the RAID 1 array is degraded and the disk /dev/sdb1 on which the database application was installed appears to have failed.

Which of the following steps should the administrator take to remove the device /dev/sdb1 from the RAID array md0? (Choose two.)

NO.104 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?

NO.105 A Linux administrator is testing a new web application on a local laptop and consistently shows the following
403 errors in the laptop’s logs:

The web server starts properly, but an error is generated in the audit log. Which of the following settings should be enabled to prevent this audit message?

NO.106 An administrator is conftgunng two Linux VMs on one physical server. The VMs must be able to obtain a unique IP address from the host’s subnet. Which of the following represents how the virtual network adapters should be configured on the

NO.107 A systems administrator manually added a new library to the server. The administrator wants to rebuild the
library cache for immediate use.
Which of the following commands should the systems administrator run to achieve this goal?

NO.108 Joe, a user, is unable to log in to the server and contracts the systems administrator to look into the issue. The administrator examines the /etc/passwdfile and discovers the following entry:
joe:x:505:505::/home/joe:/bin/false
Which of the following commands should the administrator execute to resolve the problem?

NO.109 A Linux administrator wants to obtain a list of files and subdirectories in the /etc directory that contain the word “services”. Once the files and subdirectories are discovered, they should be listed alphabetically in the / var/tmp/foundservicesfile. Which of the following shell scripts will accomplish this task?
#/bin/bash

NO.110 A systems administrator has finished building a new feature for the monitoring software in a separate Git branch.
Which of the following is the BEST method for adding the new feature to the software’s master branch?

NO.111 Using which of the following control mode commands is the correct way to substitute all occurrences of /dev/
sdc with /dev/sdd while editing a file in vi?

NO.112 A Linux administrator must identify a user with high disk usage. The administrator runs the # du -s /home/* command and gets the following output:

Based on the output, User3 has the largest amount of disk space used. To clean up the file space, the administrator needs to find out more information about the specific files that are using the most disk space.
Which of the following commands will accomplish this task?

NO.113 Given the output below:

Which of the following commands can be used to remove MyPhoto.jpg from the current directory?

NO.114 A technician wants to secure a sensitive workstation by ensuring network traffic is kept within the local subnet. To accomplish this task, the technician executes the following command:
echo 0 > /proc/sys/net/ipv4/ip_default_ttl
Which of the following commands can the technician use to confirm the expected results? (Choose two.)

NO.115 A user needs to modify the IP address of a laptop. Which of the following files can be used to configure the network interface named eth0?

NO.116 A systems administrator is implementing disk quotas on /home. During the process, the administrator receives
the following error:
Cannot find filesystem to check or filesystem not mounted with user quota option.
Which of the following is the correct order of steps the administrator should follow to resolve this error?

NO.117 A user deleted a log file because the disk was running out of space on a system running a mission-critical application. Even though the log file was large, the available disk space did not increase. The systems administrator determines the following files are still open:

Which of the following should the systems administrator perform to BEST free up disk space?