Module 4: Home Network Basics & Network Technologies In The Home

Question 1

What is the first network in a typical home network?

Answer 1

Public network from the service provider

Usually from a cable or DSL provider.

Question 2

What device is commonly found in almost every home network to convert signals from the provider?

Answer 2

Modem

The modem converts signals from the cable or DSL provider.

Question 3

What type of modem is mentioned in the text that connects to a cable television provider?

Answer 3

Cable TV modem

It has an input for coaxial cable and an output for the local home network.

Question 4

What do most home networking devices provide in addition to wired connections?

Answer 4

Wireless connectivity

This allows devices to connect to the home network without cables.

Question 5

What color port is typically marked for Internet connection on home networking devices?

Answer 5

Yellow port

This port connects the device to the Internet provider.

Question 6

What are home networking devices that include both modem and wireless access point typically called?

Answer 6

Wireless routers

They separate ports into local networks for wired and wireless devices.

Question 7

True or false: All home networking devices are configured very differently from each other.

Answer 7

FALSE

Most home networking devices are configured similarly with Internet and LAN ports.

Question 8

What type of network can wired devices connect to in a home network?

Answer 8

Local network

Wired devices can connect via Ethernet cables.

Question 9

Fill in the blank: Wireless users receive an IP address that is on the same network as the _______.

Answer 9

Wired users

Both wired and wireless devices are typically on the same local network.

Question 10

What is an integrated router used for in a home network?

Answer 10

To connect various devices to the home network

It serves as the central hub for managing network traffic.

Question 11

Name three types of devices that might connect to a home network.

Answer 11

• Desktop computers
• Gaming systems
• Smart TV systems

These devices utilize the home network for connectivity.

Question 12

What type of network is referred to as Home Wireless Local Area Network (WLAN)?

Answer 12

A network that allows wireless connectivity for devices in a home

It enables devices to communicate without physical connections.

Question 13

Fill in the blank: ________ are examples of devices that can connect to a home network.

Answer 13

Printers

Other examples include scanners, security cameras, and telephones.

Question 14

True or false: Climate control devices can connect to a home network.

Answer 14

TRUE

These devices rely on network connectivity for remote control and monitoring.

Question 15

List two examples of entertainment systems that might connect to a home network.

Answer 15

• Smart TV systems
• Gaming consoles

These systems often require internet access for streaming and online gaming.

Question 16

What are the two primary types of ports typically found in small business and home routers?

Answer 16

• Ethernet
• LAN

These ports connect to the internal switch portion of the router.

Question 17

Devices connected to the switch port of a router are on the same _______.

Answer 17

local network

This allows for communication between devices within the same network.

Question 18

What is the purpose of the internet port?

Answer 18

To connect the device to another network

The internet port connects the router to a different network than the Ethernet ports.

Question 19

The internet port is often used to connect to which devices?

Answer 19

• Cable modem
• DSL modem

These connections are necessary to access the internet.

Question 20

True or false: Many home routers include a radio antenna and a built-in wireless access point.

Answer 20

TRUE

This allows wireless devices to connect to the local network.

Question 21

By default, wireless devices are on the same local network as which devices?

Answer 21

• Devices physically plugged into the LAN switch ports

This configuration allows for seamless communication between wired and wireless devices.

Question 22

Fill in the blank: The internet port is the ______ that is on a different network in the default configuration.

Answer 22

Dry port

This indicates its role in connecting to external networks.

Question 23

What are the unlicensed frequency ranges most frequently used in home networks?

Answer 23

• 2.4 GHz
• 5 GHz

These frequency ranges are commonly utilized for various wireless technologies.

Question 24

What technology uses the 2.4 GHz band and is known for low-speed, short-range communications?

Answer 24

Bluetooth

Bluetooth allows one-to-many communication, making it ideal for connecting peripherals like mice and keyboards.

Question 25

What is a key advantage of **Bluetooth technology**?

Answer 25

One-to-many communication ## Footnote This feature allows Bluetooth to connect multiple devices simultaneously.

Question 26

What is the primary use of **Bluetooth** in audio applications?

Answer 26

Transmitting audio to speakers or headphones ## Footnote Bluetooth is commonly used for wireless audio streaming.

Question 27

What standards do modern wireless LAN technologies conform to?

Answer 27

IEEE 802.11 standards ## Footnote These standards define the protocols for wireless networking.

Question 28

How do **802.11 devices** differ from Bluetooth technology?

Answer 28

* Higher power level * Greater range * Improved throughput ## Footnote This allows 802.11 devices to transmit data more effectively over larger distances.

Question 29

Certain areas of the **electromagnetic spectrum** can be used without a permit. True or False?

Answer 29

TRUE ## Footnote This applies to specific frequency ranges used for wireless technologies.

Question 30

What frequency range does **Bluetooth** operate within?

Answer 30

2.400 to 2.4835 GHz ## Footnote This range is designated for various wireless communications, including Bluetooth.

Question 31

What frequency range is associated with **IEEE 802.11 a/n/ac/ad** technologies?

Answer 31

5.725 to 5.850 GHz ## Footnote This range is used for higher-speed wireless LAN communications.

Question 32

What is the most commonly implemented **wired protocol**?

Answer 32

Ethernet protocol ## Footnote Ethernet allows network devices to communicate over a wired LAN connection.

Question 33

What type of cable is typically used for directly connected devices in an Ethernet LAN?

Answer 33

Ethernet patch cable ## Footnote Usually unshielded twisted pair (UTP) cables are used.

Question 34

What connectors are commonly used with Ethernet patch cables?

Answer 34

R-45 connectors ## Footnote These connectors are often pre-installed on Ethernet patch cables.

Question 35

What is **Category 5e** cable commonly used for?

Answer 35

Wiring in a LAN ## Footnote It consists of 4 pairs of wires twisted to reduce electrical interference.

Question 36

True or false: **Wireless communications** are the only option for home network devices.

Answer 36

FALSE ## Footnote Some applications benefit from a wired switch connection that is not shared with other users.

Question 37

What technology can distribute wired connectivity throughout a home that lacks UTP wiring?

Answer 37

Powerline technology ## Footnote This technology allows wired connectivity using existing electrical wiring.

Question 38

What is the purpose of twisting the wires in **Category 5e** cable?

Answer 38

To reduce electrical interference ## Footnote Twisting helps maintain signal integrity in the cable.

Question 39

Fill in the blank: An **Ethernet LAN** can connect devices using many different types of _______.

Answer 39

wiring media ## Footnote This includes various cable types and technologies.

Question 40

What is the structure of **coaxial cable**?

Answer 40

* Inner wire * Tubular insulating layer * Tubular conducting shield * External insulating sheath or jacket ## Footnote Coaxial cable consists of multiple layers that provide insulation and protection for the inner wire.

Question 41

What are **fiber-optic cables** made of?

Answer 41

* Glass * Plastic ## Footnote Fiber-optic cables have a diameter about the same as a human hair.

Question 42

What is the approximate **diameter** of fiber-optic cables?

Answer 42

About the same as a human hair ## Footnote This small diameter allows for flexibility and ease of installation.

Question 43

What type of information can **fiber-optic cables** carry?

Answer 43

Digital information ## Footnote Fiber-optic cables are known for their ability to transmit data at very high speeds.

Question 44

True or false: **Fiber-optic cables** have a low bandwidth.

Answer 44

FALSE ## Footnote Fiber-optic cables have a very high bandwidth, enabling them to carry large amounts of data.

Question 45

What is a key advantage of **fiber-optic cables** regarding data transmission?

Answer 45

Very high speeds over long distances ## Footnote This makes them ideal for telecommunications and internet connections.