EGCP-4310 - Exam 1 - 01 Internet Foundations and Access

What are Internet hosts also called?

End systems

Where do Internet applications usually run?

At network edge hosts

What does a packet switch do?

Forwards packets between communication links

Which switches dominate the Internet core?

Routers

Which switches dominate access networks?

Link-layer switches

What is a network path?

Links and switches a packet traverses

What measures link transmission rate?

Bits per second

What are TCP and IP collectively called?

TCP/IP

Who develops Internet protocol standards?

Internet Engineering Task Force

What are IETF standards documents called?

Requests for Comments

What does a socket interface provide?

Application access to transport services

What are two Internet descriptions?

Nuts-and-bolts and services views

What does a network protocol define?

Message format, order, and actions

What is an access network?

Connects host to first router

What does DSL use for access?

Existing dedicated telephone line

What is the DSL central-office device?

Digital subscriber line access multiplexer

Which access network shares neighborhood capacity?

Cable HFC

What does HFC stand for?

Hybrid fiber coax

What device terminates cable modems?

Cable modem termination system

Which residential access offers gigabit potential?

Fiber to the home

What separates DSL voice from data?

Frequency bands and splitter

What medium carries optical light pulses?

Optical fiber

What kind of medium is Wi-Fi?

Unguided radio medium