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Guide for XK0-006: CompTIA Linux+ V8

Quiz XK0-006: CompTIA Linux+ V8

Free Test
/ 10

Quiz

1/10
A Linux user runs the following command:
nohup ping comptia.com &
Which of the following commands should the user execute to attach the process to the current
terminal?
Select the answer
1 correct answer
A.
renice
B.
jobs
C.
exec
D.
fg

Quiz

2/10
Which of the following best describes a use case for playbooks in a Linux system?
Select the answer
1 correct answer
A.
To provide a set of tasks and configurations to deploy an application
B.
To provide the instructions for implementing version control on a repository
C.
To provide the security information required for a container
D.
To provide the storage volume information required for a pod

Quiz

3/10
A systems administrator receives reports about connection issues to a secure web server. Given the
following firewall and web server outputs:
Firewall output:
Status: active
To Action From
443/tcp DENY Anywhere
443/tcp (v6) DENY Anywhere (v6)
Web server output:
tcp LISTEN 0 4096 *:443 :
Which of the following commands best resolves this issue?
Select the answer
1 correct answer
A.
ufw disable
B.
ufw allow 80/tcp
C.
ufw delete deny https/tcp
D.
ufw allow 4096/tcp

Quiz

4/10
Which of the following utilities supports the automation of security compliance and vulnerability
management?
Select the answer
1 correct answer
A.
SELinux
B.
Nmap
C.
AIDE
D.
OpenSCAP

Quiz

5/10
Which of the following filesystems contains non-persistent or volatile data?
Select the answer
1 correct answer
A.
/boot
B.
/usr
C.
/proc
D.
/var

Quiz

6/10
A DevOps engineer needs to create a local Git repository. Which of the following commands should
the engineer use?
Select the answer
1 correct answer
A.
git init
B.
git clone
C.
git config
D.
git add

Quiz

7/10
A Linux user needs to download the latest Debian image from a Docker repository. Which of the
following commands makes this task possible?
Select the answer
1 correct answer
A.
docker image init debian
B.
docker image pull debian
C.
docker image import debian
D.
docker image save debian

Quiz

8/10
A systems administrator needs to enable routing of IP packets between network interfaces. Which of
the following kernel parameters should the administrator change?
Select the answer
1 correct answer
A.
net.ipv4.ip_multicast
B.
net.ipv4.ip_route
C.
net.ipv4.ip_local_port_range
D.
net.ipv4.ip_forward

Quiz

9/10
Which of the following best describes the role of initrd?
Select the answer
1 correct answer
A.
It is required to connect to the system via SSH.
B.
It contains basic kernel modules and drivers required to start the system.
C.
It contains trusted certificates and secret keys of the system.
D.
It is required to initialize a random device within a Linux system.

Quiz

10/10
A Linux administrator updates the DNS record for the company using:
cat /etc/bind/db.abc.com
The revised partial zone file is as follows:
ns1 IN A 192.168.40.251
ns2 IN A 192.168.40.252
www IN A 192.168.30.30
When the administrator attempts to resolve www.abc.com to its IP address, the domain name still
points to its old IP mapping:
nslookup www.abc.com
Server: 192.168.40.251
Address: 192.168.40.251#53
Non-authoritative
answer:
Name: www.abc.com
Address: 199.168.20.81
Which of the following should the administrator execute to retrieve the updated IP mapping?
Select the answer
1 correct answer
A.
systemd-resolve query www.abc.com
B.
systemd-resolve status
C.
service nslcd reload
D.
resolvectl flush-caches
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  • Quiz name:XK0-006: CompTIA Linux+ V8
  • Total number of questions:87
  • Number of questions for the test:50
  • Pass score:80%

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