Networking Part 2

What is a network packet?

• A unit of user data intended for a remote network recipient, sent through networking devices

• A unit of network traffic control data

• A formatted unit of data containing both the user data intended for a remote network recipient and the control information to tell networking devices how to get it there.

What is a networking protocol?

• A standard system for data packet transfer

• A set of rules for behavior when meeting new people

• A specification for which wires to connect to which pins in an Ethernet cable plug

Which protocol has a more detailed control header in the data packet?

• UDP

• TCP/IP

Which protocol provides faster data throughput?

• UDP

• TCP/IP

Which protocol provides more reliable and accurate data transmission?

• UDP

• TCP/IP

UDP might be used for which of the following kinds of application data?

• Video streaming

• Online gaming

• Network-based voice calls

• Image sharing

• Social media

TCP/IP would be appropriate for which of the following kinds of application data?

• Website pages and documents

• Financial data streams

• Facetime video calls

• Live news broadcasts

• Twitter streams

What's a good analogy to think of data packets?

• An addressed envelope with contents inside

• A note pinned to a message board

• A radio broadcast

• An election

The Domain Name System (DNS) connects...

• Domain names to IP addresses

• Domain names to users

• Computers to IP addresses

• Elected officials to their loyal constituents

Which of the following are examples of Internet of Things (IoT) devices?

• Video doorbell

• Email

• Router

• Smart refrigerator

• Networked weather station