Week 1

Question 1

This is a system of connecting computers using a single transmission technology.

Answer 1

A network is a system of connecting computers using a single transmission technology.

Question 2

This is a set of networks connected by routers that are configured to communicate among a variety of network transmission technologies. (a network of networks)

Answer 2

The internet is a set of networks connected by routers that are configured to communicate among a variety of network transmission technologies. (a network of networks)

Question 3

Why is computer networking so complicated?
varHW&SW,
many terms & new

Answer 3

• Variety of hardware that must communicate with each other (legacy, modern)
• Variety of software (software must be interoperable)
• Variety of protocols/standards
• Confusing terminology/acronyms
• industry re-defines or changes terminology from academia
• new terms invented continuously
• Wireless/mobility issues add even more complexity

Question 4

RFC

Answer 4

RFC stands for Request For Comments or Repository For Comments.
It is the place to find and post the latest adopted standards for networking.
-The first “open-source” community.

Question 5

IETF

Answer 5

ETF stands for Internet Engineering Task Force.
A non-profit organization that produces technical documents that influence the way people design, use, and manage the Internet.