Question 1

In symmetric-key cryptography, the key locks and unlocks the box is

Accepted Answer

A) same 
B) shared 
C) private 
D) public 
A) same 
B) shared 
C) private 
D) public A

Question 2

Which is not an objective of network security?

Accepted Answer

A) identification 
B) authentication 
C) access control 
D) lock 
A) identification 
B) authentication 
C) access control 
D) lock D

Question 3

Transmission mechanisms can be subject to spoofing & attacks based on skilled modified packets.

Accepted Answer

A) True 
 B)False  True

Question 4

Which of the following is not a transport layer vulnerability?

Accepted Answer

A) mishandling of undefined , poorly defined 
B) the vulnerability that allows fingerprinting & other enumeration of host information 
C) overloading of transporting layer mechanisms 
D) unauthorized network access 
A) mishandling of undefined , poorly defined 
B) the vulnerability that allows fingerprinting & other enumeration of host information 
C) overloading of transporting layer mechanisms 
D) unauthorized network access

Question 5

In cryptography, what is cipher?

Accepted Answer

A) algorithm for performing encrption and decryption 
B) encrypted message 
C) both algorith for performing encrption and decryption and encrypted message 
D) decrypted message 
A) algorithm for performing encrption and decryption 
B) encrypted message 
C) both algorith for performing encrption and decryption and encrypted message 
D) decrypted message

Question 6

A person who enjoys learning details about computers and how to enhance their capabilities.

Accepted Answer

A) cracker 
B) hacker 
C) app controller 
D) site controller 
A) cracker 
B) hacker 
C) app controller 
D) site controller

Question 7

Cryptography, a word with Greek origins, means

Accepted Answer

A) corrupting data 
B) secret writing 
C) open writing 
D) closed writing 
A) corrupting data 
B) secret writing 
C) open writing 
D) closed writing

Question 8

In cryptography, the order of the letters in a message is rearranged by

Accepted Answer

A) transpositional ciphers 
B) substitution ciphers 
C) both 
D) quadratic ciphers 
A) transpositional ciphers 
B) substitution ciphers 
C) both 
D) quadratic ciphers

Question 9

Cryptanalysis is used

Accepted Answer

A) to find some insecurity in a cryptographic scheme 
B) to increase the speed 
C) to encrypt the data 
D) to make new ciphers 
A) to find some insecurity in a cryptographic scheme 
B) to increase the speed 
C) to encrypt the data 
D) to make new ciphers

Question 10

The process of verifying the identity of a user.

Accepted Answer

A) authentication 
B) identification 
C) validation 
D) verification 
A) authentication 
B) identification 
C) validation 
D) verification

Question 11

An algorithm used in encryption is referred to as cipher.

Accepted Answer

A) True 
 B)False

Question 12

TCP/IP model does not have_______layer but OSI model have this layer.

Accepted Answer

A) session layer 
B) transport layer 
C) application layer 
D) network layer 
A) session layer 
B) transport layer 
C) application layer 
D) network layer

Question 13

Which of these is a part of network identification?

Accepted Answer

A) user id 
B) password 
C) otp 
D) fingerprint 
A) user id 
B) password 
C) otp 
D) fingerprint

Question 14

What is data encryption standard (DES)?

Accepted Answer

A) block cipher 
B) stream cipher 
C) bit cipher 
D) byte cipher 
A) block cipher 
B) stream cipher 
C) bit cipher 
D) byte cipher

Question 15

A straight permutation cipher or a straight p-box has the same number of input as

Accepted Answer

A) cipher 
B) frames 
C) outputs 
D) bits 
A) cipher 
B) frames 
C) outputs 
D) bits

Question 16

A process of making the encrypted text readable again.

Accepted Answer

A) decryption 
B) encryption 
C) network security 
D) information hiding 
A) decryption 
B) encryption 
C) network security 
D) information hiding

Question 17

In cryptography , the original message before being transformmed , is called

Accepted Answer

A) simple text 
B) plain text 
C) empty text 
D) filled text 
A) simple text 
B) plain text 
C) empty text 
D) filled text

Question 18

A small program that changes the way a computer operates.

Accepted Answer

A) worm 
B) trojan 
C) bomb 
D) virus 
A) worm 
B) trojan 
C) bomb 
D) virus

Question 19

A transposition cipher reorders (permutes) symbols in a

Accepted Answer

A) block of packets 
B) block of slots 
C) block of signals 
D) block of symbols 
A) block of packets 
B) block of slots 
C) block of signals 
D) block of symbols

Question 20

We use cryptofraphy term to transform messages to make them secure and immune to

Accepted Answer

A) change 
B) idle 
C) attacks 
D) defend 
A) change 
B) idle 
C) attacks 
D) defend

In symmetric-key cryptography, the key locks and unlocks the box is

Which is not an objective of network security?

Transmission mechanisms can be subject to spoofing & attacks based on skilled modified packets.

Which of the following is not a transport layer vulnerability?

In cryptography, what is cipher?

A person who enjoys learning details about computers and how to enhance their capabilities.

Cryptography, a word with Greek origins, means

In cryptography, the order of the letters in a message is rearranged by

Cryptanalysis is used

The process of verifying the identity of a user.

An algorithm used in encryption is referred to as cipher.

TCP/IP model does not have_______layer but OSI model have this layer.

Which of these is a part of network identification?

What is data encryption standard (DES)?

A straight permutation cipher or a straight p-box has the same number of input as

A process of making the encrypted text readable again.

In cryptography , the original message before being transformmed , is called

A small program that changes the way a computer operates.

A transposition cipher reorders (permutes) symbols in a

We use cryptofraphy term to transform messages to make them secure and immune to

Cryptography and Encryption

Cryptography Key, Algorithm, and Mode of Operation

Cryptography and Encryption Techniques

Cryptography, Elliptic Curves, and Email Security

Intrusion and Emailinternet Security Techniques

Cybersecurity Concepts: Sftp, Firewall, Malware, and Virus Protection

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Exam 1: Cryptography and Network Security

In symmetric-key cryptography, the key locks and unlocks the box is

Which is not an objective of network security?

Transmission mechanisms can be subject to spoofing & attacks based on skilled modified packets.

Which of the following is not a transport layer vulnerability?

In cryptography, what is cipher?

A person who enjoys learning details about computers and how to enhance their capabilities.

Cryptography, a word with Greek origins, means

In cryptography, the order of the letters in a message is rearranged by

Cryptanalysis is used

The process of verifying the identity of a user.

An algorithm used in encryption is referred to as cipher.

TCP/IP model does not have_______layer but OSI model have this layer.

Which of these is a part of network identification?

What is data encryption standard (DES)?

A straight permutation cipher or a straight p-box has the same number of input as

A process of making the encrypted text readable again.

In cryptography , the original message before being transformmed , is called

A small program that changes the way a computer operates.

A transposition cipher reorders (permutes) symbols in a

We use cryptofraphy term to transform messages to make them secure and immune to

Cryptography and Encryption

Cryptography Key, Algorithm, and Mode of Operation

Cryptography and Encryption Techniques

Cryptography, Elliptic Curves, and Email Security

Intrusion and Emailinternet Security Techniques

Cybersecurity Concepts: Sftp, Firewall, Malware, and Virus Protection

Filters