Which of the following is a tool for performing footprinting undetected?

   A.Whois search
   B.Traceroute
   C.Ping sweep
   D.Host scanning
   ANSWER: A
 What is the next step to be performed after footprinting?

   A.Scanning
   B.Enumeration
   C.System hacking
   D.Active information gathering
   ANSWER: A
 Which are good sources of information about a company or its employees? (Choose all that apply.)

   A.Newsgroups
   B.job postings
   C.Company website
   D.Press releases
   E.All of the mentioned
   ANSWER: E
 What is footprinting?

   A.Measuring the shoe size of an ethical hacker
   B.Accumulation of data by gathering information on a target
   C.Scanning a target network to detect operating system types
   D.Mapping the physical layout of a target’s network
   ANSWER: B
 What are the three types of scanning?

   A.Port, network, and vulnerability
   B.Port, network, and services
   C.Grey, black, and white hat
   D.Server, client, and network
   ANSWER: A
 What is the proper sequence of a TCP connection?

   A.SYN-SYN ACK-ACK
   B.SYN-ACK-FIN
   C.SYN-SYNACK-ACK
   D.SYN-PSH-ACK
   ANSWER: A

 -------- is a message that has to be transmitted into ciphertext.
   A.hash
   B.ciphertext
   C.key
   D.plaintext
   ANSWER: D
 In a database where he encryption is applied the data is can not be handled by the user without
   A.Encryption key
   B.Decryption key
   C.Primry Key
   D.Authorised key
   ANSWER: B
 In public key cryptosystem which is kept as public
   A.Encryption keys
   B.Decryption keys
   C.Encryption and Decryption keys
   D.None of the mentioned. 
   ANSWER: A
 Today Private key algorithm is used for ------- and public key algorithm is used for ------
   A.Messages, session key
   B.Session key, messages
   C.Can be used for both 
   D.None of the mentioned.
   ANSWER: A
 Which has a key length of 128bits
   A.DES
   B.IDEA & Triple-DES
   C.Triple DES
   D.None of the mentioned
   ANSWER: D
 A Cryptographic hash function has variable output length
   A.True
   B.False
   ANSWER: B
 Data compression can be done using
   A.AES Algorithm
   B.DES Algorithm
   C.MD5 Algorithm
   D.RSA ALgorithm
   ANSWER: C
 Acknowledgement is needed in -------- scanning
   A.XMAS
   B.FULL SCAN
   C.FIN  SCAN
   D.Stealth SCAN
   E.ALL of the mentioned
   ANSWER: B
 In RSA algorithm, after encryption if the public key is hacked, then the ciphertext will be compromised.
   A.False
   B.True
   ANSWER: B