CompTIA XK0-005 Practice Test - Questions Answers, Page 31

A Linux administrator needs to expose port 9000 for a container to listen during runtime. The Linux administrator creates a Dockerfile with the following entries:

sql

FROM node:9-alpine

WORKDIR /usr/src/app

COPY package.json ./

RUN npm install

COPY . .

EXPOSE 9000

CMD ['npm', 'start']

Which of the following commands should the administrator use to accomplish this task? (Select two).

A Linux administrator has defined a systemd script docker-repository.mount to mount a volume for use by the Docker service. The administrator wants to ensure that the Docker service does not start until the volume is mounted. Which of the following configurations needs to be added to the Docker service definition to best accomplish this task?

A systems administrator created a new directory with specific permissions. Given the following output:

arduino

$ ls -ld /comptia

drwxr-x--- 2 root root 4096 Oct 20 20:13 /comptia

$ getfacl /comptia

# file: /comptia

# owner: root

# group: root

user::rwx

group::r-x

other::---

default:user::rwx

default:group::r-x

default:group:wheel:rwx

default:mask::rwx

default:other::---

Which of the following permissions are enforced on /comptia?

A network administrator issues the dig www.foo.com command and receives an NXDOMAIN response. Which of the following files should the administrator check first?

A Linux administrator updated the configuration file for the httpd web service. The administrator needs to apply the updated changes to the service without interrupting any running sessions. Which of the following commands should the administrator run to accomplish this task?

Which of the following is a benefit of a service mesh?

While troubleshooting server issues, a Linux systems administrator obtains the following output:

yaml

total used free shared buff/cache available

Mem: 3736 3538 33 2 48 25

Swap: 2047 1824 223

Which of the following best describes the state of the system?

An administrator made a change to a system's network configuration. Which of the following best represents what the administrator should do to have the new configuration take effect?

A user (userA) has reported issues while logging in to the system. The following output has been provided:

bash

Could not chdir to home directory /home/userA: Permission denied

-bash: /home/userA/.bash_profile: Permission denied

# cat /etc/passwd | grep userA

userA:x:1234:3400:userA account:/home/userA/:/bin/bash

# passwd -S userA

userA PS 2022-10-17 1 99999 0 (Password set. SHA512 crypt.)

# groups userA

admin dev usergrp

# ls -lth /home/

drwx------ 7 root admin 9 Jan 17 2019 userA

drwxr-xr-x 4 userC app 9 Jan 23 2020 userC

Which of the following describes the issue userA is having?