1.3 OCR Networks Lesson 8

IPv4 IP addresses are ___ bit binary numbers

• 2
• 8
• 32
• 128

Question 1: What does HTTPS stand for? (1-4)

• Hypertext Transfer Protocol Secure

• Hyper Text Protocol Secure

• Hidden Text Transfer Protocol Station

• Hypertext Transfer Protocol Station

Question 6: Where is a MAC address stored? (5-6)

• In the computer

• On the NIC

• As a list in the router

• In the modem

• On the Internet

Question 9: A MAC Address is usually recorded in (5-6)

• Binary

• Denary

• Floats

• Hexadecimal

Question 10: Which of these is NOT a real IP address? (7-9)

• 192.168.2.156

• 192.168.2.1

• 192.168.2.200

• 192.168.2.328

Convert "GJGB" cipher-text back into plain text using the key: 1

• FIFA

• HKHC

• EHEZ

• JMER

A cipher is _________________________.

• a person who makes up secret codes

• an algorithm that is used to scramble text so that it can be passed in secret

• a lock that can be used to lock a message in a lock box

• any puzzle, such as a crossword or Sudoku puzzle

A Caesar cipher is an example of a ______________________.

• transposition cipher

• bimodal cipher

• substitution cipher

• substantial cipher

Who was the first know user of the Caesar Cipher?

• Caesar Romanus

• Julius Caesar

• Alan Turing

• There isn't one

In Cryptography, original message, before being transformed, is called

• Simple Text

• Plain Text

• Cipher Text

• Filled Text