XK0-005證照指南 - XK0-005權威考題

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最新的 Linux+ XK0-005 免費考試真題 (Q446-Q451):

問題 #446
A Linux systems administrator has to write a script to be used to replace an IP address in a network configuration file.
Given the following file content:

Which of the following commands will accomplish this task?

答案：C

問題 #447
Some servers in an organization have been compromised. Users are unable to access to the organization's web page and other services. While reviewing the system log, a systems administrator notices messages from the kernel regarding firewall rules:

Which of the following commands will remediate and help resolve the issue?

答案：A

解題說明：
The command iptables -F will remediate and help resolve the issue. The issue is caused by the firewall rules that block the access to the organization's web page and other services. The output of dmesg | grep firewall shows that the kernel has dropped packets from the source IP address 192.168.1.100 to the destination port 80, which is the default port for HTTP. The command iptables -F will flush all the firewall rules and allow the traffic to pass through. This command will resolve the issue and restore the access to the web page and other services. The other options are incorrect because they either do not affect the firewall rules (ip route flush or ip addr flush) or do not exist (iptables -R). Reference: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 18: Securing Linux Systems, page 543.

問題 #448
A Linux administrator has been tasked with installing the most recent versions of packages on a RPM-based OS. Which of the following commands will accomplish this task?

A. rpm -a
B. yum check-update
C. dnf update
D. apt-get upgrade
E. yum updateinfo

答案：C

解題說明：
The dnf update command will accomplish the task of installing the most recent versions of packages on a RPM-based OS. This command will check for available updates from the enabled repositories and apply them to the system. The apt-get upgrade command is used to install updates on a Debian-based OS, not a RPM- based OS. The rpm -a command is invalid, as -a is not a valid option for rpm. The yum updateinfo command will display information about available updates, but it will not install them. The yum check-update command will check for available updates, but it will not install them. References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 19: Managing Packages and Software, page 559.

問題 #449
A Linux administrator rebooted a server. Users then reported some of their files were missing. After doing some troubleshooting, the administrator found one of the filesystems was missing. The filesystem was not listed in /etc/f stab and might have been mounted manually by someone prior to reboot. Which of the following would prevent this issue from reoccurring in the future?

A. Remount all the missing filesystems
B. Create a mount unit and enable it to be started at boot.
C. Mount the filesystem manually.
D. Sync the mount units.

答案：A

問題 #450
A cloud engineer is asked to copy the file deployment.yaml from a container to the host where the container is running. Which of the following commands can accomplish this task?

A. docker cp deployment.yaml local://deployment.yaml
B. docker cp container_id/deployment.yaml local://deployment.yaml
C. docker cp container_id:/deployment.yaml deployment.yaml
D. docker cp container_id/deployment.yaml deployment.yaml

答案：C

解題說明：
The command docker cp container_id:/deployment.yaml deployment.yaml can accomplish the task of copying the file deployment.yaml from a container to the host. The docker command is a tool for managing Docker containers and images. The cp option copies files or directories between a container and the local filesystem. The container_id is the identifier of the container, which can be obtained by using the docker ps command. The /deployment.yaml is the path of the file in the container, which must be preceded by a slash. The deployment.yaml is the path of the file on the host, which can be relative or absolute. The command docker cp container_id:/deployment.yaml deployment.yaml will copy the file deployment.yaml from the container to the current working directory on the host. This is the correct command to use to accomplish the task. The other options are incorrect because they either use the wrong syntax (docker cp container_id/deployment.yaml deployment.yaml or docker cp container_id/deployment.yaml local://deployment.yaml) or do not exist (docker cp deployment.yaml local://deployment.yaml). Reference: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 19: Managing Cloud and Virtualization Technologies, page 567.

問題 #451
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XK0-005證照指南 - XK0-005權威考題

CompTIA XK0-005權威考題 & XK0-005考試重點

最新的 Linux+ XK0-005 免費考試真題 (Q446-Q451):

最佳XK0-005證照指南和資格考試領先提供商和免費下載的XK0-005：CompTIA Linux+ Certification Exam

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