Module 2: ISP Connectivity Options

Question 1

What does an Internet Service Provider (ISP) provide?

Answer 1

The link between the home network and the internet

Question 2

Name three types of ISPs.

Answer 2

• Local cable provider
• Landline telephone service provider
• Cellular network provider

Question 3

What additional services do many ISPs offer?

Answer 3

• Email accounts
• Network storage
• Website hosting
• Automated backup
• Security services

Question 4

Why are ISPs critical to internet communications?

Answer 4

They connect to other ISPs to form a network that interconnects users globally

Question 5

How are ISPs connected in relation to internet traffic?

Answer 5

In a hierarchical manner to ensure the shortest path for traffic

Question 6

What is the internet backbone compared to?

Answer 6

An information super highway that provides high-speed data links

Question 7

What is the primary medium that connects the internet backbone?

Answer 7

Fiber-optic cable

Question 8

Where is fiber-optic cable typically installed?

Answer 8

Underground to connect cities within continents

Question 9

How do fiber-optic cables connect continents?

Answer 9

They run under the sea

Question 10

What type of support do ISPs typically provide?

Answer 10

Technical support

Question 11

What does POP stand for in the context of ISPs?

Answer 11

Point of Presence

Question 12

Fill in the blank: ISPs are connected in a ______ manner.

Answer 12

hierarchical

Question 13

True or False: ISPs only provide internet access.

Answer 13

False

Question 14

What forms the backbone of the internet?

Answer 14

A complex web of fiber-optic cables with expensive networking switches and routers

Question 15

What is the average home user’s awareness of ISP infrastructure?

Answer 15

Average home users are not aware of the infrastructure outside of their network

Question 16

What is the simplest ISP connection option for home users?

Answer 16

A modem that provides a direct connection between a computer and the ISP

Question 17

Why should a direct connection using only a modem not be used?

Answer 17

Because the computer is not protected on the internet

Question 18

What is required to securely connect a computer to an ISP?

Answer 18

A router

Question 19

What does the most common ISP connection option consist of?

Answer 19

Using a wireless integrated router to connect to the ISP

Question 20

What components does a router include for connecting hosts?

Answer 20

• A switch to connect wired hosts
• A wireless AP to connect wireless hosts

Question 21

What information does the router provide for inside hosts?

Answer 21

Client IP addressing information and security

Question 22

Fill in the blank: The _______ is a device required for secure ISP connections.

Answer 22

[router]

Question 23

True or False: A single PC can connect directly to an ISP without a modem.

Answer 23

False

Question 24

What is the most common method for home network users to connect to their service providers?

Answer 24

Cable and DSL connections

Most users do not connect via fiber-optic cables.

Question 25

What type of connection does cable internet provide?

Answer 25

High bandwidth, always on ## Footnote Cable internet uses the same coaxial cable as cable television.

Question 26

What device separates the internet data signal from other signals in a cable connection?

Answer 26

Special cable modem ## Footnote This modem provides an Ethernet connection to a host computer or LAN.

Question 27

What does DSL stand for?

Answer 27

Digital Subscriber Line ## Footnote DSL provides a high bandwidth, always on connection to the internet.

Question 28

What is required for a DSL connection?

Answer 28

A special high-speed modem ## Footnote The modem separates the DSL signal from the telephone signal.

Question 29

How does DSL utilize telephone lines?

Answer 29

It splits the line into three channels ## Footnote One for voice calls, one for faster downloads, and one for uploads.

Question 30

What is the purpose of the first channel in a DSL connection?

Answer 30

To carry voice telephone calls ## Footnote This allows phone calls without disconnecting from the internet.

Question 31

What is the purpose of the second channel in a DSL connection?

Answer 31

Faster download channel ## Footnote Used to receive information from the internet.

Question 32

What is the purpose of the third channel in a DSL connection?

Answer 32

Sending or uploading information ## Footnote This channel is usually slightly slower than the download channel.

Question 33

What factors affect the quality and speed of a DSL connection?

Answer 33

Quality of the phone line and distance from the central office ## Footnote The farther from the central office, the slower the connection.

Question 34

True or False: DSL connections allow users to receive phone calls while connected to the internet.

Answer 34

True ## Footnote The DSL connection's design permits simultaneous voice calls.

Question 35

What is cellular internet access?

Answer 35

Uses a cell phone network to connect ## Footnote Performance is limited by phone capabilities and cell tower connection

Question 36

What is a benefit of cellular internet access?

Answer 36

Provides connectivity in areas without other internet options ## Footnote Useful for people constantly on the move

Question 37

What is a downside of cellular connectivity?

Answer 37

Carrier usually meters bandwidth usage and may charge extra for exceeding data plan ## Footnote This can lead to additional costs for users

Question 38

What are some other ISP connection options mentioned?

Answer 38

Satellite Connection, Dial-up Telephone, Fiber-optic cables ## Footnote Each option varies in availability and performance

Question 39

What advantage do fiber-optic cables provide in metropolitan areas?

Answer 39

Higher bandwidth speeds and support for more services ## Footnote Services include internet, phone, and television

Question 40

Fill in the blank: The choice of ISP connection varies depending on _______.

Answer 40

[geographical location and service provider availability]

Question 41

True or False: Satellite connections can be used in areas without cellular service.

Answer 41

True ## Footnote Satellite connections are not dependent on terrestrial infrastructure

Question 42

What is the primary limitation of cellular internet access?

Answer 42

Performance limited by the capabilities of the phone and cell tower ## Footnote This affects speed and reliability

Question 43

What type of connection is often used in apartments and small offices?

Answer 43

Fiber-optic cables ## Footnote This connection type is increasingly common in urban settings

Question 44

What is a good option for homes or offices that do not have access to DSL or cable?

Answer 44

Satellite service ## Footnote Satellite service requires a clear line of sight to the satellite for optimal performance.

Question 45

What might hinder the effectiveness of satellite internet service?

Answer 45

Heavily wooded areas or places with other overhead obstructions ## Footnote These obstructions can block the line of sight to the satellite.

Question 46

What are the typical costs associated with satellite internet service?

Answer 46

High equipment and installation costs, moderate monthly fee ## Footnote Special deals may be available from providers.

Question 47

What is a key benefit of satellite internet access?

Answer 47

Availability in areas with no other internet connectivity ## Footnote This is particularly valuable in remote locations.

Question 48

What factors influence the choice of internet connection for users?

Answer 48

Geographical location and service provider availability ## Footnote Different areas may have different options based on infrastructure.

Question 49

Fill in the blank: _______ service requires a clear line of sight to function effectively.

Answer 49

Satellite ## Footnote Satellite service is dependent on unobstructed access to the satellite.

Question 50

True or False: Dial-up telephone service is a modern, high-speed option for internet connectivity.

Answer 50

False ## Footnote Dial-up is an older technology and is significantly slower than modern options.

Question 51

What is an inexpensive option that uses any phone line and a modem?

Answer 51

Dial-up connection ## Footnote A dial-up connection connects to the ISP by calling an access phone number.

Question 52

What is a limitation of dial-up modem connections?

Answer 52

Low bandwidth ## Footnote The low bandwidth is usually insufficient for large data transfers.

Question 53

When is a dial-up connection useful?

Answer 53

Mobile access while traveling ## Footnote It provides connectivity when higher-speed options are not available.

Question 54

What should be considered when higher speed connection options are not available?

Answer 54

Dial-up connection ## Footnote Dial-up should only be used as a last resort due to its limitations.

Question 55

Fill in the blank: A _______ connection uses any phone line and a modem.

Answer 55

dial-up ## Footnote This type of connection is characterized by its low bandwidth.