Top Interview Questions for CompTIA Security +
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CompTIA Security +
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Cybercrime, according to reports, now risks billions of dollars of assets 
and  data. We have so many access points, public IPs, constant 
traffic, and  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.
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Top Cybersecurity Interview Questions
There are several cybersecurity-certified professionals in the market  
today. But being CompTIA Security+ certified offers you a  chance to 
learn  core cybersecurity skills. So, if you are a  CompTIA Security+ 
certified  professional with a  cybersecurity job interview coming up, 
here are the  latest interview questions and answers you should 
master.
1What can you do to defend yourself from  multiple login 
attempts
You can set up a lockout policy that prevents users from logging 
in  after a  certain number of failed attempts.
2 Would you prefer Windows or Linux as  your operating system
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
3 What Is the Purpose of a FirewallA firewall is a  security device that can help safeguard your network
by filtering traffic and preventing outsiders from having  
unauthorized access to your computer's confidential data. It 
can  be either hardware or software.
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4 What do you understand about Gateway
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.
5 Determine the difference between a  gateway and a 
router
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.
6 What is Cross-Site Scripting (XSS), and  how does it work
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.
7 What is the purpose of port 443Computers utilize port 443 as a  virtual port to divert network 
traffic.  Port 443 is used for HTTPS (Hypertext Transfer Protocol 
Secure).
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8 What methods will you use to keep track  of malicious activity on our 
systems
IDS, IPS, DLP, SIEM, and NBAD are tools that can be used to 
detect  malicious activity. Some are evolutions of others, and 
some are  strictly focused on specific types of behavior or 
malicious activity.  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.
9 What is the OSI model, and what are the  different layers of the OSI 
model
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:
Different layers of OSI Model
Application Presentatio Sessio Transport
n n
Networ Data Physica
k Link l
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1 What is a Protocol AnalyzerA Protocol Analyzer is a  Software that captures and 
monitors  data through a communication channel for 
0 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.
1 What exactly is HIDSA Host-Based Intrusion Detection System (HIDS) is a type 
of  intrusion detection system that can monitor and 
analyze a  computer's internals and network traffic 
1 passing through its  network ports.
1 What is a Proxy, and how does it work
Any server application that translates traffic between 
2 networks or  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.
1 What can you do to keep a VPN  connection secure
A secured tunneling protocol is the best technique to secure 
3 a  VPN connection. There are numerous options available, but you  must select the most acceptable option for your 
digital  environment.
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1 What are some good security practices  for network devices
Some of the security practices are:
4
1 Reduce the number of needless lateral communications
2 IP ranges that can manage network infrastructure should  be limited
3 Unused network ports should be 
disabled
4 Secure access to infrastructure 
devices
5 Verify the hardware and software 
integrity
1 What is the difference between MAC  DAC, and RBAC,
The MAC makes decisions based on labeling and 
5 permissions,  whereas the DAC considers permissions. RBAC, on the other  hand, makes decisions based on 
functions and roles.
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1 How can you stop a phishing attack
These are some ways to protect from phishing:
61 Know how to spot a  phishing scam
2 Do not click on any link without knowledge
3 Do not give your personal information to a  website that is  not secure
4 Change your passwords frequently
5 VInstall firewalls
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
17Wh6t is unified thre6t m6n6gementUnified Threat Management (UTM) refers to an information  
security system that protects against threats like viruses,  
spyware, worms, and other malware, as well as network 
attacks,  through a single point of protection.
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1 What is an Access Control ListAccess Control List (ACL) is a  set of rules used to filter 
network  traffic, particularly in computer security settings. 
ACLs also grant  authorized users access to particular 
8 system objects such as  directories or files while denying access to unauthorized users.
1 What are the types of Cross-Site  Scripting
The three types of Cross-Site Scripting are:
9 Reflected XSS: Reflected XSS is a  type of XSS in which 
the  malicious script originates from the current HTTP 
request.
Stored XSS: The malicious script is stored XSS, and it comes 
from  the website’s database.
DOM−b6sed XSS: In DOM-based XSS, the vulnerability is found 
in  client-side code rather than server-side code.
2 What are some of the ways the  organization may protect itself 
from XSS
0 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  interview questions for CompTIA Security+ certified 
professionals  to broaden your preparations. You can 
acquaint yourself with  diverse formats and tones of 
questions by checking multiple  sources of interview 
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