CompTIA Security+

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Top Interview Questions to Master as a
CompTIA Security+
Top Interview Questions for

Cybercrime, according to reports, now risks billions of dollars of assets and
˗˔˧˔ʡˊ˘˛˔˩˘˦ˢˠ˔ˡˬ˔˖˖˘˦˦ˣˢ˜ˡ˧˦ʟˣ˨˕˟˜˖ʼ˃˦ʟ˖ˢˡ˦˧˔ˡ˧˧˥˔˙Ѓ˖ʟ˔ˡ˗
loads of data to exploit in today’s day and age. Hackers are having a lot of
time to exploit vulnerabilities and develop malicious software for sale. As a
result, cybersecurity professionals are in huge demand across all
industries.

ˇ˛˘˥˘˔˥˘˦˘˩˘˥˔˟˖ˬ˕˘˥˦˘˖˨˥˜˧ˬʠ˖˘˥˧˜Ѓ˘˗ˣ˥ˢ˙˘˦˦˜ˢˡ˔˟˦˜ˡ˧˛˘ˠ˔˥˞˘˧
˧ˢ˗˔ˬʡʵ˨˧˕˘˜ˡ˚ʶˢˠˣˇʼʴˆ˘˖˨˥˜˧ˬʞ˖˘˥˧˜Ѓ˘˗ˢ˙˙˘˥˦ˬˢ˨˔˖˛˔ˡ˖˘˧ˢ˟˘˔˥ˡ
˖ˢ˥˘˖ˬ˕˘˥˦˘˖˨˥˜˧ˬ˦˞˜˟˟˦ʡˆˢʟ˜˙ˬˢ˨˔˥˘˔ʶˢˠˣˇʼʴˆ˘˖˨˥˜˧ˬʞ˖˘˥˧˜Ѓ˘˗
professional with a cybersecurity job interview coming up, here are the
latest interview questions and answers you should master.
Top Cybersecurity Interview Questions
You can set up a lockout policy that prevents users from logging in
after a certain number of failed attempts.
What can you do to defend yourself from
multiple login attempts
1
This question does not have an ideal answer. You must have a
thorough knowledge of both operating systems. Linux, as we all
know, is regarded to be virus-free and far more secure than
Windows. Before you provide your answer, make sure you explain
the advantages and disadvantages of each Operating System in
depth
Would you prefer Windows or Linux as
your operating system
2
ʴЃ˥˘˪˔˟˟˜˦˔˦˘˖˨˥˜˧ˬ˗˘˩˜˖˘˧˛˔˧˖˔ˡ˛˘˟ˣ˦˔˙˘˚˨˔˥˗ˬˢ˨˥ˡ˘˧˪ˢ˥˞
˕ˬЃ˟˧˘˥˜ˡ˚˧˥˔˙Ѓ˖˔ˡ˗ˣ˥˘˩˘ˡ˧˜ˡ˚ˢ˨˧˦˜˗˘˥˦˙˥ˢˠ˛˔˩˜ˡ˚
˨ˡ˔˨˧˛ˢ˥˜˭˘˗˔˖˖˘˦˦˧ˢˬˢ˨˥˖ˢˠˣ˨˧˘˥Ϡ˦˖ˢˡЃ˗˘ˡ˧˜˔˟˗˔˧˔ʡʼ˧˖˔ˡ
be either hardware or software.
What Is the Purpose of a Firewall
3

A gateway is a computer network node or router that serves as a
critical stopover point for the data on its way to or from other
networks. We can communicate and send data back and forth
thanks to gateways. Without gateways, the Internet would be
useless to us.
What do you understand about Gateway
4
ʶˢˠˣ˨˧˘˥˦˨˧˜˟˜˭˘ˣˢ˥˧ʧʧʦ˔˦˔˩˜˥˧˨˔˟ˣˢ˥˧˧ˢ˗˜˩˘˥˧ˡ˘˧˪ˢ˥˞˧˥˔˙Ѓ˖ʡ
Port 443 is used for HTTPS (Hypertext Transfer Protocol Secure).
What is the purpose of port 443
7
A router is a computer networking layer system that manages and
forwards data packets. A gateway, on the other hand, is merely a
device or piece of hardware that operates as a “gate” across
networks. It might alternatively be described as a network node
that serves as an entry point for other nodes.
Determine the difference between a
gateway and a router
5
Cross-Site Scripting (XSS) is a web security vulnerability that allows
an attacker to manipulate how users interact with a susceptible
application. It will enable an attacker to get around the same
origin policy, which keeps websites separate from one another.
They are injection attacks in which malicious scripts are inserted
into otherwise trustworthy and simple websites.
What is Cross-Site Scripting (XSS), and
how does it work
6

IDS, IPS, DLP, SIEM, and NBAD are tools that can be used to detect
malicious activity. Some are evolutions of others, and some are
˦˧˥˜˖˧˟ˬ˙ˢ˖˨˦˘˗ˢˡ˦ˣ˘˖˜Ѓ˖˧ˬˣ˘˦ˢ˙˕˘˛˔˩˜ˢ˥ˢ˥ˠ˔˟˜˖˜ˢ˨˦˔˖˧˜˩˜˧ˬʡ
Still, they are all designed to help you discover malicious activity on
your system and alert your IT staff so that the necessary response
may be initiated.
What methods will you use to keep track
of malicious activity on our systems
8
The Open Systems Interconnection or OSI Model is a conceptual
framework for describing the functions of a networking system. In
order to facilitate interoperability between various devices and
applications, the OSI model describes computing functions into a
universal set of rules and standards. The connections among
computing systems are divided into seven abstraction layers in
the OSI reference model:
What is the OSI model, and what are the
different layers of the OSI model
Different layers of OSI Model
9
Application Presentation Session
Network
Transport
Data Link Physical

A Protocol Analyzer is a Software that captures and monitors
data through a communication channel for possible threats. It
collects data from the communication channel and converts
the bits into a protocol sequence that makes sense. It is also
known as Packet Sniffer.
What is a Protocol Analyzer
10
A Host-Based Intrusion Detection System (HIDS) is a type of
intrusion detection system that can monitor and analyze a
˖ˢˠˣ˨˧˘˥Ϡ˦˜ˡ˧˘˥ˡ˔˟˦˔ˡ˗ˡ˘˧˪ˢ˥˞˧˥˔˙Ѓ˖ˣ˔˦˦˜ˡ˚˧˛˥ˢ˨˚˛˜˧˦
network ports.
What exactly is HIDS
11
ʴˡˬ˦˘˥˩˘˥˔ˣˣ˟˜˖˔˧˜ˢˡ˧˛˔˧˧˥˔ˡ˦˟˔˧˘˦˧˥˔˙Ѓ˖˕˘˧˪˘˘ˡˡ˘˧˪ˢ˥˞˦ˢ˥
protocols is known as a proxy or proxy server. It is an intermediary
server that sits between end-user clients and the websites they
visit.
What is a Proxy, and how does it work
12
A secured tunneling protocol is the best technique to secure a
VPN connection. There are numerous options available, but you
must select the most acceptable option for your digital
environment.
What can you do to keep a VPN
connection secure
13

Some of the security practices are:
What are some good security practices
for network devices
14
The MAC makes decisions based on labeling and permissions,
whereas the DAC considers permissions. RBAC, on the other
hand, makes decisions based on functions and roles.
What is the difference between MAC
DAC, and RBAC,
15
1 Reduce the number of needless lateral communications
3 Unused network ports should be disabled
4 Secure access to infrastructure devices
5 Verify the hardware and software integrity
2
IP ranges that can manage network infrastructure should
be limited

These are some ways to protect from phishing:
How can you stop a phishing attack
16
ˈˡ˜Ѓ˘˗ˇ˛˥˘˔˧ˀ˔ˡ˔˚˘ˠ˘ˡ˧ʛˈˇˀʜ˥˘˙˘˥˦˧ˢ˔ˡ˜ˡ˙ˢ˥ˠ˔˧˜ˢˡ
security system that protects against threats like viruses,
spyware, worms, and other malware, as well as network attacks,
through a single point of protection.
ˊ˛˔˧˜˦˨ˡ˜Ѓ˘˗˧˛˥˘˔˧ˠ˔ˡ˔˚˘ˠ˘ˡ˧
17
1 Know how to spot a phishing scam
3
Do not give your personal information to a website that is
not secure
4 Change your passwords frequently
5 ˉʼˡ˦˧˔˟˟Ѓ˥˘˪˔˟˟˦
6 Get free anti-phishing add-ons
7 Do not be swayed by those pop-ups
8 To detect signs of an attack, use a data security platform
2 Do not click on any link without knowledge

ʴ˖˖˘˦˦ʶˢˡ˧˥ˢ˟ʿ˜˦˧ʛʴʶʿʜ˜˦˔˦˘˧ˢ˙˥˨˟˘˦˨˦˘˗˧ˢЃ˟˧˘˥ˡ˘˧˪ˢ˥˞
˧˥˔˙Ѓ˖ʟˣ˔˥˧˜˖˨˟˔˥˟ˬ˜ˡ˖ˢˠˣ˨˧˘˥˦˘˖˨˥˜˧ˬ˦˘˧˧˜ˡ˚˦ʡʴʶʿ˦˔˟˦ˢ˚˥˔ˡ˧
authorized users access to particular system objects such as
˗˜˥˘˖˧ˢ˥˜˘˦ˢ˥Ѓ˟˘˦˪˛˜˟˘˗˘ˡˬ˜ˡ˚˔˖˖˘˦˦˧ˢ˨ˡ˔˨˧˛ˢ˥˜˭˘˗˨˦˘˥˦ʡ
The three types of Cross-Site Scripting are:
What is an Access Control List
18
To start, programmers should guard against the addition of
JavaScript to a query string. Also, any input variables sent
through web forms and saved in a database should be free of
JavaScript. In addition, you can look through a variety of other
˜ˡ˧˘˥˩˜˘˪ˤ˨˘˦˧˜ˢˡ˦˙ˢ˥ʶˢˠˣˇʼʴˆ˘˖˨˥˜˧ˬʞ˖˘˥˧˜Ѓ˘˗ˣ˥ˢ˙˘˦˦˜ˢˡ˔˟˦
to broaden your preparations. You can acquaint yourself with
diverse formats and tones of questions by checking multiple
sources of interview questions.
What are some of the ways the
organization may protect itself from XSS
20
˅˘Є˘˖˧˘˗ˋˆˆʭ˅˘Є˘˖˧˘˗ˋˆˆ˜˦˔˧ˬˣ˘ˢ˙ˋˆˆ˜ˡ˪˛˜˖˛˧˛˘
malicious script originates from the current HTTP request.
ˆ˧ˢ˥˘˗ˋˆˆʭ The malicious script is stored XSS, and it comes from
the website’s database.
ʷ˂ˀʠ˕˔˦˘˗ˋˆˆʭIn DOM-based XSS, the vulnerability is found in
client-side code rather than server-side code.
What are the types of Cross-Site
Scripting
19

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