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XK0-005 Exam Dumps - CompTIA Linux+ Exam

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Question # 17

One leg of an LVM-mirrored volume failed due to the underlying physical volume, and a systems administrator is troubleshooting the issue. The following output has been provided:

Given this scenario, which of the following should the administrator do to recover this volume?

A.

Reboot the server. The volume will automatically go back to linear mode.

B.

Replace the failed drive and reconfigure the mirror.

C.

Reboot the server. The volume will revert to stripe mode.

D.

Recreate the logical volume.

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Question # 18

A cloud engineer needs to block the IP address 192.168.10.50 from accessing a Linux server. Which of the following commands will achieve this goal?

A.

iptables -F INPUT -j 192.168.10.50 -m DROP

B.

iptables -A INPUT -s 192.168.10.30 -j DROP

C.

iptables -i INPUT --ipv4 192.168.10.50 -z DROP

D.

iptables -j INPUT 192.168.10.50 -p DROP

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Question # 19

A Linux administrator has set up a new DNS forwarder and is configuring all internal servers to use the new forwarder to look up external DNS requests. The administrator needs to modify the firewall on the server for the DNS forwarder to allow the internal servers to communicate to it and make the changes persistent between server reboots. Which of the following commands should be run on the DNS forwarder server to accomplish this task?

A.

ufw allow out dns

B.

systemct1 reload firewalld

C.

iptables -A OUTPUT -p udp -ra udp -dport 53 -j ACCEPT

D.

flrewall-cmd --zone-public --add-port-53/udp --permanent

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Question # 20

A junior administrator updated the PostgreSQL service unit file per the data-base administrator's recommendation. The service has been restarted, but changes have not been applied. Which of the following should the administrator run for the changes to take effect?

A.

Systemct1 get—default

B.

systemct1 daemon—reload

C.

systemct1 enable postgresq1

D.

systemct1 mask postgresq1

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Question # 21

A systems administrator needs to verify whether the built container has the app.go file in its root directory. Which of the following can the administrator use to verify the root directory has this file?

A.

docker image inspect

B.

docker container inspect

C.

docker exec ls

D.

docker ps

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Question # 22

Which of the following tools is BEST suited to orchestrate a large number of containers across many different servers?

A.

Kubernetes

B.

Ansible

C.

Podman

D.

Terraform

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Question # 23

A Linux administrator was notified that a virtual server has an I/O bottleneck. The Linux administrator analyzes the following output:

Given there is a single CPU in the sever, which of the following is causing the slowness?

A.

The system is running out of swap space.

B.

The CPU is overloaded.

C.

The memory is exhausted.

D.

The processes are paging.

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Question # 24

In which of the following filesystems are system logs commonly stored?

A.

/var

B.

/tmp

C.

/etc

D.

/opt

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