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Internet Service Providers 220-1001

Internet Service Providers 220-1001

Assessment

Presentation

Computers

10th Grade - University

Medium

Created by

Lisa Shea

Used 7+ times

FREE Resource

11 Slides • 7 Questions

1

Networking Concepts 220-1001

by Lisa Shea

2

​Internet Connections

Businesses and homes depend on Internet access.

Created by telecommunications companies and academic institutions.

​Customer Connect Via a Point of Presence (POP). The ISP uses a backhaul link to connect each POP to their core network infrastructure.

3

media

4

Poll

The ISP uses a ___________ link to connect each POP to their core network infrastructure.

Front End

Local Loop

Backhaul

Last Mile

5

​Broadband Internet

  • ​An "always on" connection.

  • ​DSL uses high frequencies in a digital phone line.

  • ​A filter separates DSL signal from voice traffic.

  • ​DSL modem connects to a phone system (router/modem/ap).

  • ​Phone line connects to the modem.

  • ​If you see PPP over ATM or PPPoE it is referring to DSL.

6

Multiple Choice

What must be placed between the phone wall jack and the DSL modem to separate DSL signal from voice traffic?

1

Access point

2

Defibrillator

3

Ethernet

4

A Filter

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media

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​Fiber Optic Internet Access

  • ​Higher Bandwidth, longer distance than copper.

  • ​Telecommunication networks use fiber.

  • ​Fiber to the home (FTTH) is becoming more common.

  • ​Cable TV and Teleco0m providers can both offer fiber connection.

  • ​Hybrid Fiber Coax (broadband cable) - Fiber core with coax to the customer.

  • ​Cable modems are DOCSIS compliant: 38 Mbps originally.

  • ​DOCSIS v3 allows multiplexed channels for higher bandwidth.

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​Dial-Up Internet Access

  • ​Uses plain old telephone lines (POTS)

  • ​Not a different frequency like DSL.

  • ​Line cannot be used for voice at the same time.

  • ​Low Data transfer rates of 56 Kbps.

media

11

Multiple Choice

What is a main disadvantage of Dial up Internet?

1

The line has static

2

Slowness

3

Fast speed

4

Compression

12

​Remote and Rural Solutions

  • ​Wired broadband may not be available.

    • ​Too far from provider.

    • ​Older buildings where wiring is not possible.

  • ​Two options:

    • ​Satellite - Large coverage area, dish at customer aligned to ISP.

  • ​Line of Sight (LOS) wireless internet service provider (WISP).

    • ​Line of site is two antennas with no obstructions between them.

    • ​Range of frequencies may be affected by 5G cell service.

13

Multiple Choice

A SOHO's connection to the internet through an antenna that sends and receives a microwave signal to the ISP's antenna. There can be no obstacles on the direct path between the two antennae. What type of connection is this?

1

Fiber

2

DSL

3

Line-of site wireless

4

Satellite

14

Multiple Choice

A healthcare organization provides mobile clinics throughout the world and needs to transfer patients' statistical data to a central database via the internet. Which network technology should you select to ensure network connectivity for any clinic located anywhere in the world, even remote areas?

1

Satellite

2

Cable modem

3

ISDN

4

DSL

15

​Cellular Radio Networks

  • ​Wi-Fi bands have restricted range ~5 miles.

  • ​Used by some IOT devices.

  • ​Cellular radios operate in the 850 to 900 MHz frequency band in US.

  • ​Transmitter connects cell phone to landline or mobile networks.

  • ​Cellular radio wireless networking allows long range communications over smart devices.

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media

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Multiple Choice

What type cellular service uses a SIM card?

1

CDMA

2

GSM

3

4G

4

5G

18

Multiple Choice

Which of the following types of internet connection services can allow you to be truly mobile while maintaining your internet connection?

1

Wi-Fi

2

Satellite

3

Mobile Hotspot

4

Cellular

Networking Concepts 220-1001

by Lisa Shea

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