Chapter6

Question 1

1. What Are the Advantages of a Wireless Home Network?

Answer 1

Connect from anywhere

Easy and cheap setup

New devices join quickly

Question 2

2. What Devices Commonly Connect to a Home Network?

Answer 2

PCs, game consoles, smart TVs

Printers, cameras, phones

Thermostats and smart devices

Question 3

3. What Are the Main Ports on a Home Router?

Answer 3

LAN (Ethernet): connects devices

WAN (Internet): connects to modem

Question 4

4. What Is the Electromagnetic Spectrum?

Answer 4

Includes radio, light, X-rays, gamma
Wi-Fi uses unlicensed radio frequencies

Question 5

5. What Wireless Frequencies Are Used in Home Networks?

Answer 5

2.4 GHz: Wi-Fi (b/g/n), Bluetooth

5 GHz: Faster Wi-Fi (n/ac/ax)

Question 6

6. What Are the Main Wired Network Technologies?

Answer 6

Cat5e: Twisted-pair Ethernet

Coaxial: Shielded core wire

Powerline: Network over home wiring

Question 7

7. What Are the Wireless Standards for Home Networks?

Answer 7

IEEE 802.11: Wi-Fi rules

Wi-Fi Alliance: Tests device compatibility

Question 8

8. What Are Key Wireless Network Settings?

Answer 8

Mode: Wi-Fi type (b/g/n)

SSID: Network name

Channel: Frequency used

SSID Broadcast: Hide/show network

Question 9

9. How Are Wireless Channels Used?

Answer 9

Splits frequency for less interference

APs use different channels to work together

5 GHz combines channels for speed.

Question 10

10. How Does Ethernet Handle Collisions?

Answer 10

Uses CSMA/CA to avoid collisions

RTS/CTS messages control access

ACK confirms data sent

Question 11

11. How Do You Set Up a Home Router?

Answer 11

Connect PC to router (LAN)

Connect router to modem (WAN)

Check link lights

Router gives IP via DHCP

Question 12

12. What Are Important Design Considerations for a Home Network?

Answer 12

Use a private SSID

Match device Wi-Fi versions

MAC filtering for extra security