Question 1

What is the maximum character size of LM Hashes?

Options :

A : 14

B : 48

C : 10

D : 8

E : 50

Answer: A

Question 2

What is a CNAME?

Options :

A : Maps an IP to domain.

B : Maps a hostname to hostname.

C : Maps a domain to a hostname.

D : Maps an IP to a hostname.

E : Maps a domain to an IP.

Answer: B

Question 3

What do MX records map?

Options :

A : Domain to hostname

B : Domain to email server

C : Hostname to domain

D : Domain to IP

E : IP to domain

Answer: B

Question 4

In CBC mode, how is each plaintext block encrypted before being XORed with the previous ciphertext block?

Options :

A : XORing each plaintext block with the previous ciphertext block before encryption

B : Using a cryptographic nonce as the encryption key

C : Using a unique initialization vector (IV) for each block

D : Using a different key for each block

E : Using the same encryption key for each block

Answer: E

Question 5

Which of these is not a valid IP address?

Options :

A : 10.0.0.1

B : 195.32.67.14

C : 192.168.0.1

D : 192.168.300.1

E : 172.16.3.7

Answer: D

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