Cyber Security MCQ (Multiple Choice Questions) With Answers, Cyber Security Online Quiz

1 .

Which of the following is just opposite to the Open Design principle?

A)

Work factor

B)

Least privileges

C)

Least common mechanism

D)

Security through obscurity

Correct Answer : Option (D) : Security through obscurity

Explanation : The "Security through obscurity" is an approach which just opposite to the Open Design principle.

2 .

Which of the following usually considered as the default port number of apache and several other web servers?

A)

40

B)

80

C)

100

D)

160

Correct Answer : Option (B) : 80

Explanation : The default port number used by the apache and several other web servers is 80.

3 .

DNS translates a Domain name into _______

A)

IP

B)

Hex

C)

URL

D)

Binary

Correct Answer : Option (C) : URL

Explanation : DNS stands for the Domain name system; the main work of a DNS is to translate the Domain name into an IP address that is understandable to the computers.

4 .

Which type following UNIX account provides all types of privileges and rights which one can perform administrative functions?

A)

Root

B)

Guest

C)

Client

D)

Administrative

Correct Answer : Option (D) : Administrative

Explanation : If a user uses the Root account of the UNIX operating system, he can carry out all types of administrative functions because it provides all necessary privileges and rights to a user.

5 .

Name of the Hacker who breaks the SIPRNET system?

A)

Kevin Poulsen

B)

Kevin Mitnick

C)

John Draper

D)

John von Neumann

Correct Answer : Option (A) : Kevin Poulsen

Explanation : The SIPRNET (or Advanced Research Project Agency Network) system was first hacked by Kevin Poulsen as he breaks into the Pentagon network.

6 .

Which of the following known as the oldest phone hacking techniques used by hackers to make free calls?

A)

Cracking

B)

Phreaking

C)

Spraining

D)

Phishing

Correct Answer : Option (B) : Phreaking

Explanation : Phreaking is considered as one of the oldest phone hacking techniques used by hackers to make free calls.

7 .

Which of the following is considered as the first hacker's conference?

A)

DEFCON

B)

DEVON

C)

OSCON

D)

SECTION

Correct Answer : Option (A) : DEFCON

Explanation : DEFCON is one of the most popular and largest Hacker's as well as the security consultant's conference. It is always held once a year in Las Vegas, Nevada, where hackers of all types (such as black hats, gray hats, and white hat hackers), government agents as well as security professionals from around the world attend the conference attends this meeting.

8 .

Which of the following is not an appropriate way to compromise web servers?

A)

Misconfiguration in OS

B)

Misconfiguration in networks

C)

Using network vulnerabilities

D)

Correct Answer : Option (C) : Using network vulnerabilities

Explanation : Websites get hosted on web servers. Web servers are actually computers running that makes us available & accessible files (web pages) through the internet. Various ways that can help compromise a web server are a misconfiguration of network or OS, bugs in web server’s OS etc.

9 .

Which of the following is not an appropriate method of defacing web server?

A)

Brute-forcing Admin Password

B)

Fetching credentials through MiTM

C)

DNS Attack through cache poisoning

D)

IP address spoofing

Correct Answer : Option (D) : IP address spoofing

Explanation : Various ways which can help a hacker deface the web server. These are by fetching credentials through MiTM, brute-forcing administrator password, DNS attack through cache poisoning, FTP server intrusion and many more.

10 .

IIS stands for ________

A)

Internet Information Server

B)

Interconnected Information Server

C)

Internet Information Services

D)

Interconnected Information Services

Correct Answer : Option (C) : Internet Information Services

Explanation : Web servers are actually computers running that makes us available & accessible files (web pages) through the internet. The most widely used web server platform is the IIS (Internet Information Services).