MCQ 1 _______________ is a mono-alphabetic encryption code wherein each & every letter of plain-text is replaced by another letter in creating the cipher-text.

(A) Polyalphabetic Cipher (B) Caesar Cipher (C) Playfair Cipher (D) Monoalphabetic Cipher

MCQ 2 In public key cryptography, a key that decrypts the message.

(A) security key (B) public key (C) unique key (D) private key

MCQ 3 An _____________ is a private network that uses the internet model.

(A) internets (B) extranets (C) intranets (D) None of the above

MCQ 4 The shift cipher is sometimes referred to as the

(A) Cipher text (B) Cipher (C) Shift cipher (D) Caesar cipher

MCQ 5 Which protocol is used to convey SSL related alerts to the peer entity?

(A) Alert Protocol (B) Upper-Layer Protocol (C) Handshake Protocol (D) Change Cipher Spec Protocol

MCQ 6 Which of them is not an objective of sniffing for hackers?

(A) Fetching passwords (B) Email texts (C) Types of files transferred (D) Geographic location of a user

MCQ 7 The full form of OSI is OSI model is ______________

(A) Open Systems Interconnection (B) Open Software Interconnection (C) Open Systems Internet (D) Open Software Internet

MCQ 8 ________________ provides either authentication or encryption, or both, for packets at the IP level.

(A) AH (B) ESP (C) PGP (D) SSL

MCQ 9 In general how many key elements constitute the entire security structure?

(A) 1 (B) 2 (C) 3 (D) 4

MCQ 10 _________________ is the process or mechanism used for converting ordinary plain text into garbled non-human readable text & vice-versa.

(A) Malware Analysis (B) Cryptography (C) Exploit writing (D) Reverse engineering

MCQ 11 These ciphers replace a character or characters with a different character or characters, based on some key.

(A) Polyalphabetic substitution based (B) Transposition-based (C) Substitution based (D) Mono alphabetic substitution based

MCQ 12 Users are able to see a pad-lock icon in the address bar of the browser when there is _________________ connection.

(A) HTTP (B) HTTPS (C) SMTP (D) SFTP

MCQ 13 _____________ is data interception method used by hackers.

(A) Phishing (B) DoS (C) Sniffing (D) MiTM

MCQ 14 Which of the following is not a strong security protocol?

(A) https (B) ssl (C) smtp (D) sftp

MCQ 15 Which is not the application level protocol?

(A) FTP (B) S/MIME (C) PGP (D) HTTP

MCQ 16 In an ________________ , the key is known as SECRET Key.

(A) Asymmetric Key (B) Symmetric Key (C) Secret Key (D) Either A or B

MCQ 17 The subnet Mask 255.255.0.0 belongs to _____________.

(A) Class A (B) Class B (C) Class C (D) Class D

MCQ 18 Caesar Cipher is an example of _____________.

(A) Multi-alphabetic Cipher (B) Bi-alphabetic Cipher (C) Poly-alphabetic Cipher (D) Mono-alphabetic Cipher

MCQ 19 AES stands for ________________.

(A) Advanced Encryption Security (B) Advanced Encryption Standard (C) Advanced Encrypted Standard (D) Active Encryption Standard

MCQ 20 _________________ is a term used in cryptography that refers to a message before encryption or after decryption.

(A) Original text (B) Cipher text (C) Plain script (D) Plain text

MCQ 21 ________________ provides privacy, integraty, and authentication in email.

(A) IPSec (B) PGP (C) SSL (D) None of the above

MCQ 22 SSL provies _______________.

(A) compression (B) compression (C) message integrity (D) All of the above

MCQ 23 On which port will the server generally listen to for SMTP?

(A) 35 (B) 63 (C) 25 (D) 65

MCQ 24 The __________________ is encrypted text.

(A) cipher text (B) cipher scricpt (C) secret text (D) secret script

MCQ 25 Sniffing is also known as ___________________.

(A) network-tapping (B) wiretapping (C) net-tapping (D) net-tapping