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NEW QUESTION 361
Which of the following can cause a kernel panic message after a system reboot?
A.   Processor failure.
B.   PXE boot failure.
C.   USB device failure.
D.   Drive failure.
Answer: D
NEW QUESTION 362
A security team informs the Linux administrator that a specific sever is acting as a n pen relay. To which of the following is the security team referring?
A.   The server it running the SSH service and is open to the internet allowing outside sources to log in to the server without source IP address filtering.
B.   The server is acting as an unmanaged router, open to the internal and is allowing outside internet traffic into the network with on filtering.
C.   The server is acting as a web proxy and allowing outside unauthenticated sources to connect to the server, effectively hiding tie source’s IP address for malicious activities.
D.   The server has an email service configured to allow outside sources to send email to other external parties on the internet without validation.
Answer: D
NEW QUESTION 363
Which of the following server roles would MOST likely be found in a PXE boot environment?
A.   Web
B.   DNS
C.   Proxy
D.   DCCP
Answer: B
NEW QUESTION 364
Which of the following should a company use to reduce the latency of application that are deployed on a virtual private cloud?
A.   Virtual load balancer.
B.   Network address translation.
C.   Direct connect.
D.   Multi-availability zones.
Answer: A
NEW QUESTION 365
A Linux administrator needs to run a command in the background of a terminal, Which of the following commands will BEST accomplish this task?
A.   ./run_application $$ bg
B.   ./run_application +$
C.   ./run_application
D.   ./run_application $
Answer: A
NEW QUESTION 366
Which of the following directories will help an administrator identify the specifications of a Linux server in term of resources?
A.   /sys
B.   /Proc
C.   /Var
D.   /usr
Answer: B
NEW QUESTION 367
Which of the following directories contains information related to various runtime processes, such as hardware and system memory?
A.   /Usr/bin
B.   /Opt
C.   /Proc
D.   /etc/local/
Answer: A
NEW QUESTION 368
A system administrator is setting up a cron job that will copy thousands files from a remote directory on a scheduled basic. The file contents should retain their original permissions, including and group ownership, and the cron job should run for the least amount of the possible. Which of the following is the BEST program to use in this situation?
A.   Rsync
B.   Curl
C.   Scp
D.   Wget
E.   sftp
Answer: A
NEW QUESTION 369
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.   sseradd -g apache buddy
B.   ssermod -g apache buddy
C.   sudo useradd -g apache buddy
D.   sudo usermod -g apache buddy
Answer: B
NEW QUESTION 370
An administrator clones a Git repository onto a local laptop. While inspecting the code, the administrator notices a bug and wants to fix it. Which of the following is the BEST command for the administrator to use to test a patch for the prior to updating the version saved in master?
A.   init
B.   branch
C.   stash
D.   comit
E.   merge
Answer: A
NEW QUESTION 371
A system administrator needs to bootstrap a series of Ubuntu images for a public provider. The administrator must ensure at the images contain the exact same updates, custom. Configure files after their first and then automatically. Which of the following tools the administrator user?
A.   Ansible
B.   Docker
C.   Cloud-init
D.   Anaconda
Answer: B
NEW QUESTION 372
Which of the following is considered best practices when using definition files for the provisioning of Linus servers to the cloud?
A.   Build automation.
B.   Container orchestration.
C.   Infrastructure as code.
D.   Continuous integration.
Answer: B
NEW QUESTION 373
A network administrator installed a web server on a Linux host and added a firevalid command to open port tcp/80. The web server worked without error until an updated and patch kernel was installed on the system a month later. Now users are unable to access the web server even though the service is running, which of the following would fix the issue?
A.   Use the firevalid command to open the HTTP application service rather than the port.
B.   Change the firevalid zone t private and open port tcp/80.
C.   Issue an additional firevalid command to open up port tcp/443 as well as port tcp/80.
D.   Use the firevalid command to open tcp/80 both with and without the -permanent switch.
Answer: D
NEW QUESTION 374
An administrator is configuring a new Linux server and wants to boot the system to a file that was previously downloaded to locally install removable media. Which of the following boot options should the administrator choose?
A.   PXE
B.   ISO
C.   NFS
D.   HTTP
Answer: B
NEW QUESTION 375
A Linux server hosts Kerberos and LDAP, which of the following is the MOST likely role of this server?
A.   Certificate authority.
B.   Clustering.
C.   Database.
D.   Authentication.
Answer: D
NEW QUESTION 376
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?
A.   Bridging
B.   VLAN
C.   Bonding/teaming
D.   VPN
Answer: A
NEW QUESTION 377
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?
A.   -/.ssh/authorized_keys
B.   -/.ssh/id_ras.pub
C.   -/.ssh/known_hosts
D.   -/.ssh/config
Answer: A
NEW QUESTION 378
A Linux administrator execute the following steps in this order:
1. Changes some software code.
2. Commits the changes to the Git repository.
3. Triggers a job to compile.
4. Execute some test scripts.
5. Packages the software package.
6. Publishes the software packages to a package repository.
Which of the following orchestration processes is the administrator using?
A.   Build automation.
B.   Deployment automation.
C.   Test automation.
D.   Infrastructure automation.
Answer: C
NEW QUESTION 379
An administrator wants to add a user named comptia to the system administrators group. Which of the following commands will accomplish this task?
A.   Usermod ÂsG wheel comptia
B.   Useradd -sG wheel comptia
C.   visudo -sG wheel comptia
D.   sudo -sG wheel comptia
Answer: B
NEW QUESTION 380
Which of the following commands should a system administrator use to configure a passwordless login to remote system? (Choose two.)
A.   cp
B.   ssh-agent
C.   ssh-copy-id
D.   ssh-keygen
E.   ssh-add
F.   openssl
Answer: BC
NEW QUESTION 381
……
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