CCNA Cybersecurity Operations (Vesion 1.1) – CyberOps Chapter 3 Exam Answers

On Jun 11, 2019

Which method can be used to harden a computing device?

Allow USB auto-detection.
Force periodic password changes. *
Allow default services to remain enabled.
Update patches on a strict annual basis irrespective of release date.

Consider the result of the ls -l command in the Linux output below. What are the group file permissions assigned to the analyst.txt file?
Click here to view code image
ls -l analyst.txt
-rwxrw-r– sales staff 1028 May 28 15:50 analyst.txt

Read only
Read, write *
Full access
Read, write, execute

Which two methods can be used to harden a computing device? (Choose two.)

Allow default services to remain enabled.
Update patches on a strict annual basis irrespective of release date.
Enforce the password history mechanism.
Ensure physical security.
Allow USB auto-detection.

What is the main purpose of the X Window System?

to provide a customizable CLI environment
to provide a basic framework for a GUI
to provide remote access to a Linux-based system
to provide a basic set of penetration testing tools

Which Linux command is used to manage processes?

kill
grep
chrootkit
ls

Why is Linux considered to be better protected against malware than other operating systems?

fewer deployments
integrated firewall
customizable penetration and protection tools
file system structure, file permissions, and user account restrictions

Why would a network administrator choose Linux as an operating system in the Security Operations Center (SOC)?

It is easier to use than other operating systems.
It is more secure than other server operating systems.
The administrator has more control over the operating system.
More network applications are created for this environment

Which Linux command can be used to display the name of the current working directory?

chmod
pwd
ps
sudo

Consider the result of the ls -l command in the Linux output below. What are the file permissions assigned to the sales user for the analyst.txt file?
ls –l analyst.txt
-rwxrw-r– sales staff 1028 May 28 15:50 analyst.txt

write only
read, write, execute
read, write
read only

A Linux system boots into the GUI by default, so which application can a network administrator use in order to access the CLI environment?

file viewer
package management tool
terminal emulator
system viewer

The image displays a laptop that is acting as the SSH client that is communicating with an SSH server. Refer to the exhibit. Which well-known port number is used by the server?

Which Linux component would be used to access a short list of tasks theapplication can perform?

Launcher
Quicklist *
Dash Search Box
System and Notification Menu

Which term is used to describe a running instance of a computer program?

Fork
Patch
Process *
Package manager

Which type of tool is used by a Linux administrator to attack a computer or network to find vulnerabilities?

Firewall
PenTesting *
Malware analysis
Intrusion detection system

How is a server different from a workstation computer?

The server works as a standalone computer.
The server is designed to provide services to clients.
The workstation has fewer applications installed.
The workstation has more users who attach to it.

Which two Linux commands might be used before using the kill command? (Choose two.)

top
ls
grep
ps
chroot

What term is used for operating system updates?

patches
new releases
penetration testing
packages

What term describes a set of software tools designed to increase the privileges of a user or to grant access to the user to portions of the operating system that should not normally be allowed?

penetration testing
package manager
rootkit
compiler

What is the well-known port address number used by DNS to serve requests?

Which file system is the primary file system used by Apple in current Macintosh computers?

CDFS
APFS
ext3
ext2
HFS+

Which type of tool allows administrators to observe and understand every detail of a network transaction?

malware analysis tool
packet capture software
ticketing system
log manager

Which command can be utilized to view log entries of NGINX system events in real time?

sudo journalctl –u nginx.service -f
sudo journalctl –f
sudo journalctl –until “1 hour ago”
sudo journalctl –u nginx.services

What is the purpose of a Linux package manager?

It provides access to settings and the shutdown function.
It is used to compile code that creates an application.
It is used to install an application.
It provides a short list of tasks a particular application can perform.

Which user can override file permissions on a Linux computer?

only the creator of the file
any user that has ‘group’ permission to the file
any user that has ‘other’ permission to the file
root user

Which Linux file system introduced the journaled file system, which can be used to minimize the risk of file system corruption in the event of a sudden power loss?

ext2
ext3
NFS
CDFS

What is the method employed by a Linux kernel to create new processes for multitasking of a process?

creating interdependent processes
dynamic processes
pipelining
forking

What is a purpose of apt-get commands?

to configure an appointment for a specific date and time
to configure and manage task (to-do) lists
to update the operating system
to apportion and configure a part of the hard disk for file storage