Cyber Security interview questions

Cyber Security Interview Questions with Answers | Freshers and Exprienced

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Cyber Security Interview Questions with Answers | Freshers and Exprienced 2021

Q1.Which of the following is valid difference between a Virus and a Spyware ?

A. Spyware damages data and also steals sensitive private information
B. Virus damages data, Spyware steals sensitive private information
C. Spyware damages data, Virus steals sensitive private information
D. Virus damages data and also steals sensitive private information

Option B – Virus damages data, Spyware steals sensitive private information

Q2.What happens during the TCP attack; Denial of Service?

A. A virus is sent to disable their dos prompt.
B. Viruses are sent to their ISP to deny them tech support.
C. A worm is loaded onto the victim’s computer to disable their keyboard.
D. Information is repeatedly sent to the victim to consume their

Option D – Information is repeatedly sent to the victim to consume their

Q3.Digital signatures provide which of the following ?

A. Authentication
B. Non-repudiation
C. Integrity protection
D. All of the given options are correct

Option D – All of the given options are correct

Q4.In which of the following protocols does a website (if accessed using the protocol) encrypt the session with a Digital Certificate?

A. TCP
B. SHTTP
C. HTTPS
D. XHTTP

Option C – HTTPS

Q5.What is a firewall?

A. Firewalls are network-based security measures that control the flow of incoming and outgoing traffic
B. A firewall is a program that encrypts all the programs that access the Internet.
C. A firewall is a program that keeps other programs from using the network.
D. Firewalls are interrupts that automatically disconnect from the internet when a threat appears

Option A – Firewalls are network-based security measures that control the flow of incoming and outgoing traffic

Q6.Which of the following symmetric keys can be derived from Symmetric master key?

A. Authentication keys
B. Key wrapping keys
C. Data encryption keys
D. All of the given options are correct

Option D – All of the given options are correct

Q7.Why is it crucial to encrypt data in transit?

A. To assure that all of your information cannot be decrypted.
B. To decrease your resources.
C. So you can increase your chances of testing your encryption capabilities.
D. To prevent unauthorized access to private networks and sensitive information during its most vulnerable state.

Option D – To prevent unauthorized access to private networks and sensitive information during its most vulnerable state.

Q8.Can a proxy be used as a firewall? If so, how?

A. No. Proxies are data encryption stations whose sole purpose is to encrypt and re-rout data.
B. No. Proxies are firewalls that are maintained at locations other than that of the user.
C. No. All a proxy does is re-rout Internet traffic, and thus all the malicious signals that go with it.
D. Yes. A proxy acts as a network intermediary for the user that serves to control the flow of incoming and outgoing traffic.

Option D – Yes. A proxy acts as a network intermediary for the user that serves to control the flow of incoming and outgoing traffic.

Q9.Which of the following is TRUE about TLS?

A. The HMAC construction used by most TLS cipher suites is specified in RFC 2104
B. Provides protection against a downgrade of the protocol to a previous (less secure) version or a weaker cipher suite
C. The message that ends the handshake sends a hash of all the exchanged handshake messages seen by both parties
D. All of the given options are correct

Option D – All of the given options are correct

Q10.What two main categories of network topologies are there?

A. Digital and Topological
B. Direct and Indirect
C. Close and Distant
D. Physical and logical.

Option D – Physical and logical.

Q11.Which of the following is TRUE about SSL 3.0?

A. It has a weak MAC construction that uses the MD5 hash function with a secret prefix
B. Identical cryptographic keys are used for message authentication and encryption
C. SSL 3.0 improved upon SSL 2.0 by adding SHA-1 based ciphers and support for certificate authentication
D. It assumes a single service and a fixed domain certificate, which clashes with the standard feature of virtual hosting in Web servers

Option C – SSL 3.0 improved upon SSL 2.0 by adding SHA-1 based ciphers and support for certificate authentication

Q12.Which of the following refers to programs that surreptitiously monitor activity on a computer system and report that information to others without the user’s consent?

A. Malware
B. Botnet
C. Trojan horse
D. Spyware

Option D – Spyware

Q13.Which of the following protocol used Port 443 and Port 80 respectively

A. HTTPS and HTTP
B. XHTML
C. HTTP and HTTPS
D.DHTML

Option A – HTTPS and HTTP

Q14.Who was TLS defined by?

A. The DEA
B. OSHA
C. Internet Engineering Task Force
D. NSA

Option C – Internet Engineering Task Force

Q15.What is network topology?

A. It is the inner networkings of a single computer.
B. It is the top layer of a computer network.
C. It is the framework of the components of a computer network.
D. It is the entirety of the data of a computer network.

Option C – It is the framework of the components of a computer network

Q16.What is another name for Internet Layer?

A. TCP layer
B. Interwebs
C. IP layer
D. SSL layer

Option C – IP layer

Q17.Which of the following is an ITU-T standard for a public key infrastructure (PKI) and Privilege Management Infrastructure (PMI)?

A. X.507
B. X.519
C. X.508
D. X.509

Option D – X.509

Q18.Which of the following keys are used to generate random numbers?

A. Symmetric random number generation keys
B. Symmetric and asymmetric random number generation keys
C. Public signature verification key
D. Asymmetric random number generation keys

Option B – Symmetric and asymmetric random number generation keys

Q19.What does the acronym BEAST mean in Beast Attack?

A. Breaking and Entering Against SSL/TLS
B. Browser Extension And SSL/TLS
C. Browser Exploit Against SSL/TLS
D. Breach Entering Against SSL/TLS

Option C – Browser Exploit Against SSL/TLS

Q20.Secure Sockets Layer is a predecessor of which cryptographic protocol?

A. IPSec
B. Transport Layer Security
C. SSL 3.0
D. HTTPS

Option B – Transport Layer Security

Q21.What is necessary for a cross-site script attack with cookies to be thwarted?

A. CAPTCHAs
B. Virtual machines
C. Proxies
D. Firewalls

Option A – CAPTCHAs

Q22.What is the less secure AES encryption mode?

A. OCB
B. ECB
C. CTR
D. CBC

Option D – CBC

Q23.How many keys are required if two parties communicate using Symmetric Cryptography?

A.One
B. Two
C. Three
D. Four

Option A – One

Q24.Which of the following is the Symmetric Algorithm used in cryptography?

A. MD4
B. El Gamal
C. IDEA
D. RSA

Option B – El Gamal

Q25.What is the maximum key length of AES?

A. 56
B. 156
C. Variable
D. 256

Option D – 256

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