iSkill FDP 2023 Day 4 Assessment

The device which works till layer 7

• Router

• Hub

• Firewall

• Bridge

A malicious program that pretends to be a legitimate software?

• Trojan Horse

• Ransomware

• Worms

• Virus

A malicious program that spreads between computers and causes damage to data and software?

• Worms

• Virus

• Ransomware

• Trojan Horse

Which among the following options is not an Asymmetric Cryptography Algorithm?

• RSA

• ECC

• DSS

• Blowfish

The DES algorithm has a key length of_______.

• 128 bits

• 32 bits

• 64 bits

• 16 bits

 In the DES algorithm the Round Input is 32 bits, which is expanded to 48 bits via ______.

• Scaling of the existing bits

• Duplication of the existing bits

• Addition of zeros

• Addition of ones

Using Rivest, Shamir, Adleman cryptosystem with p=7 and q=9. Encrypt M=24 to find ciphertext. The Ciphertext is:

• 42

• 93

• 114

• 103

 When do we compare the AES with DES, which of the following functions from DES does not have an equivalent AES function in cryptography?

• f function

• permutation p

• swapping of halves

• xor of subkey with function f

Amongst which of the following is / are true with reference to the rounds in AES?

• Byte Substitution

• Shift Row

• Mix Column and Key Addition

• All of these

What is the attack called “evil twin”?

• Rogue access point

• ARP poisoning

• Session hijacking

• MAC spoofing