Internet Protocols and Security

What is a protocol?

• A set of rules

• A type of software

• A network device

• A communication method

What does TCP/IP stand for?

• Transmission Control Protocol/Internet Protocol

• Transmission Communication Protocol/Internet Protocol

• Transfer Control Protocol/Internet Protocol

• Transmission Control Program/Internet Protocol

What is the purpose of an IP address?

• To identify a device on the network

• To encrypt data

• To send emails

• To connect to the internet

What is cryptography?

• The study of secret writing

• The study of network protocols

• The study of data transmission

• The study of computer hardware

What is the Caesar Cipher?

• A substitution cipher

• A symmetric encryption method

• A hashing algorithm

• A type of network protocol

What is the main function of network security?

• To protect data during transmission

• To enhance network speed

• To manage network devices

• To monitor network traffic

What does the acronym SMTP stand for?

• Simple Mail Transfer Protocol

• Secure Mail Transfer Protocol

• Standard Mail Transfer Protocol

• Simple Message Transfer Protocol

What is the difference between Internet Security and Network Security?

What does the Playfair cipher encrypt?

• Pairs of letters

• Single letters

• Words

• Sentences

What is the structure of the Playfair Key Matrix?

• 5x5 matrix

• 4x4 matrix

• 3x3 matrix

• 6x6 matrix