MCQ 1 Which is the false statement?

(A) Talnet is used for remote login (B) FTP can transfer files between two hosts (C) TFTP relay on TCP (D) SMTP used to send mail message

MCQ 2 A combination of an encryption and descryption algorithm is called a _____________.

(A) key (B) plain text (C) cipher text (D) raw text

MCQ 3 Which statement is incorrect?

(A) TCP enables dataflow for monitoring (B) It avoid network saturation (C) TCP makes communication between server and client (D) In TCP/IP model Internet layer is closed to the user

MCQ 4 Which IP address is reserved for loop back of localhost.

(A) 192.168.0.0 (B) 127.0.0.0 (C) 127.0.0.1 (D) None of the above

MCQ 5 The modern cipher is usually a complex ____________ cipher made of a combination of different simple ciphers.

(A) square (B) secret (C) round (D) both square and round

MCQ 6 In an asymmetric key cipher, both the sender uses _____________.

(A) private key (B) public key (C) Either A or B (D) Neither A nor B

MCQ 7 URL stands for _____________.

(A) Universal Resource Locator (B) Uniform Resource Locator (C) Uniform Radio Locator (D) None of the Above

MCQ 8 Which protocol is used for browsing website _____________.

(A) TCP (B) HTTP (C) FTP (D) TFTP

MCQ 9 Which is a search engine?

(A) Google (B) Bing (C) Yahoo (D) All of the above

MCQ 10 Which service provide 3D view of the earth?

(A) Google Earth (B) Wikipedia (C) Skype (D) None of the above

MCQ 11 The full form of SSL is _____________.

(A) Series Socket Layer (B) Session Secure Layer (C) Secure Socket Layer (D) Serial Session Layer

MCQ 12 After the encryption stage in SSL, the maximum length of each fragment is.

(A) 2¹⁶ + 2048 (B) 2¹⁶ + 1028 (C) 2¹⁴ + 1028 (D) 2¹⁴ + 2048

MCQ 13 In a TCP header source and destination header contains _____________.

(A) 8 Bits (B) 16 Bits (C) 32 Bits (D) 64 Bits

MCQ 14 The DES algorithm has a key length of _________________.

(A) 16 Bits (B) 64 Bits (C) 128 Bits (D) 32 Bits

MCQ 15 In the DES algorithm the round key is ________________ bit and the Round Input is ___________________ bits.

(A) 48, 32 (B) 64, 32 (C) 56, 24 (D) 32, 32

MCQ 16 An asymmetric-key (or public-key) cipher uses.

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

MCQ 17 Which are the most frequently found letters in the English language?

(A) e, a (B) e, o (C) e, t (D) e, i

MCQ 18 Which of the following slows the cryptographic algorithm -

1. Increase in Number of rounds
2. Decrease in Block size
3. Decrease in Key Size
4. Increase in Sub key Generation
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(A) 1 and 3 (B) 2 and 3 (C) 3 and 4 (D) 2 and 4

Correct Answer Choice B 2 and 3
See Answer

MCQ 19 The DES Algorithm Cipher System consists of ____________rounds (iterations) each with a round key.

(A) 4 (B) 8 (C) 12 (D) 16

MCQ 20 Which one of the following is true for asymmetric-key cryptography?

(A) Both private key and public key are kept by the receiver (B) Both private key and public key are announced to the public (C) Private key is kept by the receiver and public key is announced to the public (D) Public key is kept by the receiver and private key is announced to the public

MCQ 21 The cryptography algorithms (ciphers) are divided into __________________.

(A) two groups (B) four groups (C) one single group (D) None of the above

MCQ 22 The maximum payload of a TCP segment is :

(A) 65535 (B) 65515 (C) 65495 (D) 65475

MCQ 23 In the SSL Protocol, each upper layer message if fragmented into a maximum of _______________ bytes.

(A) 2¹⁶ (B) 2³² (C) 2¹⁴ (D) 2¹²

MCQ 24 ________________ provides security at the tansport layer.

(A) SSL (B) TLS (C) Either A or B (D) Both A and B

MCQ 25 SSL provies _______________.

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