XK0-005 Practice Exam Questions and Answers

Joe, a user, is unable to log in to the system. The Linux administrator checks the /etc/passwd file and reviews the following output:

Joe:x:1002:1002::/home/Joe:/sbin/nologin

Which of the following should the administrator do to fix this issue?

An administrator runs ping comptia.org. The result of the command is:

ping: comptia.org: Name or service not known

Which of the following files should the administrator verify?

A Linux administrator is configuring crontab and needs to schedule a task to run only on Saturday and Sunday at 9:00 a.m. every week of the year. Which of the following should the administrator use?

A Linux systems administrator is working to obtain the installed kernel version of several hundred systems. Which of the following utilities should the administrator use for this task?

A file called testfile has both uppercase and lowercase letters:

$ cat testfile

ABCDEfgH

IJKLmnoPQ

abcdefgH

ijklLMNopq

A Linux administrator is tasked with converting testfile into all uppercase and writing it to a new file with the name uppercase. Which of the following commands will achieve

this task?

An administrator wants to execute a long-running script in the terminal while troubleshooting another issue. Which of the following options will achieve this goal?

A systems administrator needs to remove a disk from a Linux server. The disk size is 500G, and it is the only one that size on that machine. Which of the following commands can the

administrator use to find the corresponding device name?

A Linux administrator generated a list of users who have root-level command-line access to the Linux server to meet an audit requirement. The administrator analyzes the following /etc/passwd and /etc/sudoers files:

$ cat /etc/passwd

root:x: 0:0: :/home/root: /bin/bash

lee: x: 500: 500: :/home/lee:/bin/tcsh

mallory:x: 501:501: :/root:/bin/bash

eve:x: 502: 502: /home/eve:/bin/nologin

carl:x:0:503: :/home/carl:/bin/sh

bob:x: 504: 504: : /home/bob:/bin/ksh

alice:x: 505:505: :/home/alice:/bin/rsh

$ cat /etc/sudoers

Cmnd_Alias SHELLS = /bin/tcsh, /bin/sh, /bin/bash

Cmnd_Alias SYSADMIN = /usr/sbin/tcpdump

ALL = (ALL) ALL

ALL = NOPASSWD: SYSADMIN

Which of the following users, in addition to the root user, should be listed in the audit report as having root-level command-line access? (Select two).

NO: 22:

An organization’s business office needs to collaborate on quarterly reports and asks the systems administrator to create a finance group. The administrator creates the following directory:

drwxrwxr-x Business Business 4096 Oct 15 16:40 Q1

Which of the following commands will allow all members of the finance group to have group ownership of all files created in the Q1 directory while ensuring that members of the business group preserve access? (Select two).

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).