Lesson 3 Quiz – Data Packets in Networking

What is a data packet?

• A storage unit for software

• A physical envelope sent in the post

• A chunk of data sent across a network

• A virus protection tool

Why are files broken into packets?

• To make them harder to track

• To fit them into memory better

• To allow faster, more reliable transmission

• So they can be encrypted more easily

Which of the following is NOT part of a data packet?

• Packet header

• Packet trailer

• Router history

• Payload

What is the payload in a data packet?

• The packet number

• The sender’s IP address

• The data being transmitted

• A virus scanner

What happens if a packet is lost during transmission?

• It is ignored

• The entire file is deleted

• A request is sent to resend it

• The network shuts down

Which of these is responsible for directing packets to the right place?

• Mouse

• Server

• Router

• Monitor

What is the purpose of the packet header?

• To hold images

• To log internet speed

• To contain information like destination and order

• To store saved passwords

What is packet switching?

• Turning packets into code

• Sending all packets down the same path

• Breaking and sending packets through different routes

• Rewriting packets mid-transit

What ensures all the packets are reassembled correctly?

• Print queue

• MAC address

• Packet numbers and order

• Time of day

Why might packets take different routes to the destination?

• To avoid being scanned

• Because of network congestion

• To confuse hackers

• Due to poor packet design