Packet Switching and Encryption

Which of the followings is a defenition of data packet?

• A destination IP address of the file.

• A size of the file to be transmitted.

• A small segment of the file.

• An error detection method

• A source IP address of the file.

What is usually used as an source or destination address?

(a)  

Which of the followings is not a part of the data packet?

• Header

• Trailer

• Medium

• Payload

Which of the followings is a defenition of a router?

• A device that connects devices and computers into one network.

• A device that connects two or more networks.

• A device that connects a computer to Wi-Fi.

• A device that performs logical operations.

Fill in the blank.

A packet (a)   contains a destination address, packet number and source address.

Which of the followings is/are true about data packets?

More than one correct answer could be.

• A payload is the actual data segment of the file.

• A trailer part of the packet is also called the header.

• Data packets of the file may arrive in a different order than it was sent.

• Routers redirect packets with the closest in distance path.

• All data packets sent along one pathway.

Fill in the blank.

A process of transmitting the packets along the network to the destination is called .............. .

• Packet transmission

• Packet routing

• Packet traffic

• Packet switching

What is this device?

• Router

• Wi-Fi

• Switch

• Modem

• Network card

Which of the followings are types of encryption?

There is more than one correct answer.

• Asymmetric

• Cryptographic

• Cypher

• Symmetric

• Biometric

Which of the followings is false about encryption?

• Asymmetric encryption uses private and public keys.

• Symmetric encryption uses two keys to encrypt and decrypt data.

• Websites use asymmetric encryption to communicate with user.

• RSA is an example of encryption algorithm