2.7 Internet Connection Types

Question 1

What type of communication is satellite networking?

Answer 1

non-terrestrial communication (not on Earth)

Question 2

What are 3 downsides to Satellite networking?

Answer 2

1. Higher cost than terrestrial networking
2. High latency
3. Needs line of sight to satellite

Question 3

What speeds are common for Satellite networking?

Answer 3

50 Mbit/s down, 3 Mbit/s up

Question 4

What situations use Satellite networking?

Answer 4

remote sites, difficult-to-network sites

Question 5

What frequency does satellite networking use?

Answer 5

2 GHz (high frequencies)

Question 6

What type of frequency does Fiber use?

Answer 6

Frequencies of light

Question 7

Which Internet connection type is difficult to repair?

Answer 7

fiber

Question 8

Which Internet connection type allows high speed data communication over long distances?

Answer 8

fiber

Question 9

WAN largely uses what kind of Internet connection type?

Answer 9

fiber

Question 10

What type of multiplexing does fiber use?

Answer 10

SONET, wavelength division multiplexing

Question 11

Cable broadband uses what frequency?

Answer 11

transmits across multiple frequencies and has different traffic types

Question 12

What does DOCSIS stand for?

Answer 12

Data over Cable Service Interface Specification

Question 13

Cable broadband offers high-speed networking at what speeds?

Answer 13

50 Mbits/s to 1,000+ Mbit/s is common

Question 14

Cable broadband offers what 3 services?

Answer 14

data, voice, video

Question 15

DSL uses what type of line?

Answer 15

telephone

Question 16

What does ADSL mean?

Answer 16

the download speed is faster than the upload speed (asymmetric)

Question 17

What speeds are typical for DSL?

Answer 17

200 Mbit/s down
20 Mbit/s up

Question 18

What is the distance limitation for DSL from the CO?

Answer 18

10,000 feet

(faster speeds = the closer you are to the CO)

Question 19

Why is it called cellular networks?

Answer 19

the land is separated into “cells”

Question 20

How do cellular networks work?

Answer 20

an antenna covers a cell with certain frequencies

Question 21

What is tethering?

Answer 21

Turning your phone into a wireless router

(like tethering a cord from your phone to the Internet)

Question 22

What is a mobile hotspot?

Answer 22

A standalone device (so you can use your phone for other things)

Question 23

What does WISP stand for?

Answer 23

Wireless Internet Service Provider

Question 24

What scenarios is WISP used for?

Answer 24

connecting rural or remote locations

Question 25

What type of Internet does WISP provide?

Answer 25

terrestrial internet access using wireless

Question 26

What are 3 of the different WISP deployment technologies?

Answer 26

1. Meshed 802.11
2. 5G Home Internet
3. Proprietary wireless

Question 27

To use WISP, what do you need?

Answer 27

an outdoor antenna

Question 28

What are speeds for WISP?

Answer 28

10 to 1,000 Mbit/s