A Linux administration is using a Linux system as a router. During the tests, the administrator discovers that IP packets are not being sent between the configured interfaces.
Which of the following commands enables this feature for IPv4 networks?
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 systems administrator needs to retrieve specific fields from a csv file. Which of the following tools would accomplish this task?
Which of the following is modified to reconfigure the boot environment?
A junior administrator of a physical server receives log messages indicating the out-of-memory killer has been active. All memory slots are in use on the motherboard, but additional disk space is available. Space has been allocated for a swap file.
Which of the following should the administrator use to reduce the output of memory messages?
A Linux administrator needs to remotely update the contents of the URL.
Which of the following commands would allow the administrator to download the current contents of the URL before updating?
An engineer is working on a production application deployment that requires changing a web application property file called server.property that is managed by the Git version control system. A cloned copy of the remote repository in which the server.property file exists is on the local desktop computer. The engineer makes appropriate changes to the files, saves it as server.property, and executes git commit –m “changed the property file” server.property. Which of the following commands did the engineer fail to perform?
A systems administrator is configuring options on a newly installed Linux VM that will be deployed to the Pacific time zone. Which of the following sets of commands should the administrator execute to accurately configure the correct time settings?
Which of the following statements BEST represents what the term “agentless” means regarding orchestration?
A Linux administrator has configured a Linux system to be used as a router. The administrator confirms that two network adapters are properly installed and functioning correctly. In addition, the output of the iptables –L command appears to contain a complete firewall configuration.
Which of the following commands does the administrator need to issue for the router to be fully functional?
An administrator needs to see the type of CPU that a server is running. Which of the following files contains this information?
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 junior systems administrator is creating a cron job. The cron job requirements are as follows:
Run the hello.sh script every hour (24 times in one day).
Run it on Monday only.
Given this scenario, which of the following crontab options should be configured to meet these requirements?
A Linux administrator retrieved a repository of files from a Git server using git clone. The administrator wants to see if a configuration file was added to the repository. Which of the following Git arguments should be used to see the recent modifications?
A systems administrator observes high latency values when reaching a remote web server. Which of the following commands will help determine and isolate issues on the network side?
A systems administrator has received reports of intermittent network connectivity to a particular website. Which of the following is the BEST command to use to characterize the location and type of failure over the course of several minutes?
A company wants to provide internal identity verification services for networked devices. Which of the following servers should be installed?
Given that a company’s policy states that users cannot install third-party tools on Window servers, which of the following protocols will allow a Linux GUI to connect to a Windows server?
An administrator needs to run the rescript. sh script stored on the /nr.t/disk Wesystem. but permission is denied;
The system options are:
The script properties are:
Which of the following will resolve the issue?
A security audit concludes that an organization's database servers need to be hardened As a result, an administrator obtans tie fofcjwwng partial Nmap output from a database server.
Which of the following commands should the administrator execute to mitigate security risks?
A Linux administrator needs to configure a user account to notify the user ten days before the password will expire. Which of the following commands would BEST accomplish this task?
A Linux administrator is creating a new local Linux user account for a web application The account has the following requirements:
• Use/var/www as the home directory
• Have the service_accounts group as its pnmary group
• Have the www user group as a secondary group
• Disable the account when the password expires
Which of the following BEST meets these requirements?
A Linux administrator added storage to an XFS-formatted filesystem at /dev/mapper/vgslash-lvLog device using the LVM tools. However, the additional space does not show up when the administrator runs the df - h command. Which of the following commands should the administrator run to resolve this issue?
A Linux administrator configured several network interfaces to be used for backup. The administrator entered the following commands:
After the last command, a new interlace appeared as connected and worked until the Linux system was rebooted. After the reboot, the Interface did not connect properly. Which of the following configuration changes are needed to ensure that the Interface connects automatically?
An administrator is writing a Bash script to audit SSH logins. Which of the following logs would the administrator parse to find the needed information?
A Linux systems administrator wants to see the current processes that are being run by each individual user who is logged on to the server. Which of the following is the BEST way to gather this information?
Some Bash scripts arc being versioned and stored in a Git repository Which of the following commands should the Linux administrator use to exclude tmp Wes from being added to the repository during any code adds and commits?
An administrator needs to allow additional specific users and groups to have access to a foWer without removing the original owner or group. Which of the following commands should the administrator use to complete this task?
A Linux administrator executed 1vextend to expand disk space to a partition from 8GB to 40GB However, the filesystem is not showing the additional space The administrator runs several commands and rectyes the following output:
Which of the following commands should the administrator run to resolve the issue?
An administrator wants to use a Linux server's GUI remotely but is limited by security to using TCP ports 5900—5999. Which Of the following is the BEST choice for installation on the Linux server to enable this functionality?
A Linux administrator needs to archive all the *.log files in the /var/log directory. The directory has several symbolic link files that need to be included in the car file. Which of the following commands should the administrator run to create
A Linux administrator needs to schedule a backup job to run every Friday at 2 15 a.m. Which of the following lines should the administrator add to the crontab file?
A user cannot reach the internet from a workstation. A systems administrator performs diagnostics with the following results:
Which of the following is the cause for lack of internet connectivity?
A user does not want Bluetooth to start up event time the system starts. Which of the following commands should the user execute to accomplish this task?
A technician needs to install the package, tar,gz, which contains the source code of custom software The technician downloaded the file in /crap Which of the following commands should the technician use to install the executable? (Select Two.)
A junior Linux administrator receives a help desk ticket from a user who reports being unable to reach the website Which of the following commands should the administrator use to verify proper DNS
configuration?
Joe is no longer employed by a company and Ann is tatang over his protects several team members work out of the project directory inducing Ann. The administrator needs to assign ownership of all of Joe's files in the /project directory to Ann. Which of the following should the administrator run to accomplish this task?
An administrator wants to be able to access a remote server. After creating an SSH key pair, which of the following describes where the public key should be placed to allow for key-based authentication?
An administrator needs to set the time of a VM that has no network connectivity to an NTP server. The VM’s host, however, is synchronized with NTP.
Which of the following allows the administrator to synchronize the time of the VM with the host?
Which of the following will boot from a network-hosted ISO image at power on?
Which of the following command should an administrator use to prevent users from starting the httpd service on a system-based Linux system?
A system administrator recently installed and configure a web proxy server with the IP address 192.68 address. What is the should be implemented on then proxy server to ensure traffic is processes.
A)
B)
C)
D)
A systems administrator wants to increase the existing drive space on a Linux server with a software RAID. After physically adding the new drive to the system, and then adding the drive to the RAID array,
the administrator notices the available drive space has not increased. A status of the array shows the new drive and the original storage space:
md0 : active Raid sdd1[3]S sdc1[2] sdb1[1] sda1[0]
954585654 blocks level5 64K chunk algorithm 2 [3/3] [UUU]
Which of the following should the administrator do to make all storage space available on the RAID array?
A new packages repository named repo10 has been installed on mirror site. A Linux administrator wants to use this new repository for local package installations. In which of the following locations should the administrator store the configuration information for the repo10 repository?
A Linux administrator needs to run a few virtual machines and containers on the physical machines with a single network interface. Which of the following networking would allow the administrator to connect with the outside world?
An administrator is utilizing an automation engine that engine that uses SSH to run command on remote systems. Which of the following does this describe?
A user wants to configure the application “myapp” to start on runlevels 2, 3, 4, and 5 every time the system starts.
Which of the following commands will accomplish this task?
Which of the following commands should a Linux administrator use to open the firewall to allow incoming database connections?
A)
B)
C)
D)
A Linux administrator is running a script that runs a Java application but receives the following error:
Error: Java_Home is not set
Java is installed on the Linux server and java –version returns a value. Which of the following should the administrator add to the script to resolve this issue?
A systems administrator needs to install software packages on a server from an Internet-based repository. The server does not have Internet connectivity.
Which of the following can be used to allow the server to connect to the Internet through the systems administrator’s desktop?
A Linux administrator needs to know the MAC address of the server’s gateway.
Which of the following commands should the administrator run to obtain this information?
An administrator is adding an existing user named ‘’buddy’’ to the Apache group. Which of the following should the administrator perform to accomplish this task?
A system administrator has discovered a drive is malfunctioning and needs to be replaced in a server. The administrator lists properties of the exiting storage before attempting the replacement:
After replacing the malfunctioning drive, which of the following is the BEST way to create the proper partition table on the new drive?
A Linux administrator created a new log file in /var/log/newlog to monitor a newly installed application. The administrator is now configuring parameters of the file so it will be rotated on a weekly basis or when it becomes larger than 1MB in size. In addition, five rotations of the file should exist in the /var/log directory.
Which of the following should be added to the /etc/logrotate.conf file to meet this objective?
C:\Users\Admin\Desktop\Data\Odt data\Untitled.jpg
C:\Users\Admin\Desktop\Data\Odt data\Untitled.jpg
C:\Users\Admin\Desktop\Data\Odt data\Untitled.jpg
C:\Users\Admin\Desktop\Data\Odt data\Untitled.jpg
A user has been locked out of an account due to too many failed password attempts. Which of the following commands will unlock the user’s account?
A Linux administrator looks at the /etc/timezone file and determines the need to change the time zone from California to New York temporarily. Which of the following commands will accomplish this?
A junior systems administrator is tasked with providing the network_administrators group the ability to
perform sudo without prompting for a password. Which of the following steps should the administrator perform
to accomplish this task? (Choose two.)
A Linux administrator tried to copy files to a remote server but received an error message indicating a lack of
free space on the disk. The administrator issued a df command and verified adequate free space and inodes
on the filesystem.
Which of the following commands is the BEST way to diagnose the issue?
A Linux administrator recently reprovisioned a new corporate web server to replace a legacy one. To minimize
the impact on the company's users, the administrator modified the network and DNS settings of the new server
to be the same as the legacy server.
When attempting to log in to the new server remotely over SSH, the following error message is displayed:
WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!
Which of the following should the administrator do to resolve the issue?
Which of the following is used on the client to boot a Linux system from a TFTP server?
An administrator is using a configuration management tool to define a system’s configuration. The defined configuration can be used to provision new systems, rebuild existing systems, or roll back systems
to their original baseline configurations.
Which of the following BEST describes what the administrator is doing?
A technician suspects a company's border firewall is down, thus blocking Internet access. The technician executes the following commands:
#ping -c 1 firewall.company.com
64 bytes from firewall.company.com (192.168.1.1): icmp_seq=1 ttl=64 time=0.061ms
#ping -c 16
16 packets transmitted, 0 received, 100% packet loss, time 14999ms
Which of the following commands should the technician use to BEST determine the source of this outage?
A systems administrator uses a remote execution engine to iterate through each IP address in a network and run a script on remote hosts. The script captures the remote system's hostname, IP address, OS distribution, and system uptime. The output of the script gets saved to the administrator's local workstation for future processing.
Which of the following is this an example of?
A user requested a USB serial device to be added to a desktop computer. The device has built-in kernel driver
support. The administrator tested the device installation and access, but the user cannot access the serial port.
Each time the user attempts to access the device, an error log is created that shows the user does not have
permission to use the serial port. Which of the following will add a user to the group that has serial port
capabilities?
Which of the following is used in unattended server installation via PXE?
An administrator notices the HISTSIZE variable is 50, using the commands below:
HISTSIZE=50
export HISTSIZE
The administrator rechecks the HISTSIZE value using echo HISTSIZE but gets no value. Which of the
following commands should the administrator use to retrieve its value?
An administrator needs to download a monitoring agent called node_exporter.0.16.0-Linux.amd64 from the internal web page The server does not have graphical interface.
Which of the following commands will accomplish this task?
A user is reporting unusual slowness when trying to transfer a large file to an NFS server from a workstation. The administrator runs tracepath and gets the following output:
Which of the following BEST describes the issue and a possible solution?
An administrator is installing a Linux VM on a personal hypervisor. The administrator wants to have the VM’s IP address on the same network as the hypervisor host so the VM has the same network properties as the physical interface of the host. To which of the following should the administrator set the network properties?
The following tools help maintain consistency across different systems in an infrastructure:
SUSE Manager
Red Hat Satellite
Spacewalk
If a system file is changed, the tools roll back the file to a predefined configuration.
Which of the following concepts BEST describes this behavior?
Given the output below:
[root@appserver ~]# rm config.txt
rm: remove regular file 'config.txt'? yes
rm: cannot remove 'config.txt': Operation not permitted
Which of the following might be the cause?
When requesting SSH access to a remote system, a user accidentally emailed the id_rsa key to the
administrator. Which of the following should the user do NEXT?
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