Soho Networks

Question 1

What does SOHO stand for?

Answer 1

Small Office/Home Office.

Question 2

What is the purpose of a SOHO router?

Answer 2

To provide internet access and manage network devices.

Question 3

What is the default IP range for most SOHO routers?

Answer 3

192.168.x.x or 10.x.x.x.

Question 4

What is the difference between a modem and a router?

Answer 4

A modem connects to the ISP, while a router connects devices within the network.

Question 5

What is NAT, and why is it important for SOHO networks?

Answer 5

Network Address Translation allows multiple devices to share a single public IP address.

Question 6

What type of cable is typically used for wired SOHO networks?

Answer 6

Ethernet cable (Cat5e or Cat6).

Question 7

What is the maximum length for an Ethernet cable?

Answer 7

100 meters (328 feet).

Question 8

What is the purpose of a switch in a wired network?

Answer 8

To connect multiple devices within the same network.

Question 9

What is a common tool for testing Ethernet cable connectivity?

Answer 9

Cable tester or continuity tester.

Question 10

What is the purpose of a patch panel?

Answer 10

To organize and manage Ethernet cable connections in a central location.

Question 11

What does SSID stand for?

Answer 11

Service Set Identifier, which is the name of a Wi-Fi network.

Question 12

What is the purpose of a wireless access point (WAP)?

Answer 12

To provide Wi-Fi connectivity to devices in the network.

Question 13

What are the common Wi-Fi standards used in SOHO networks?

Answer 13

802.11n, 802.11ac, and 802.11ax.

Question 14

What is the typical frequency range for Wi-Fi networks?

Answer 14

2.4 GHz and 5 GHz.

Question 15

What is the difference between 2.4 GHz and 5 GHz Wi-Fi?

Answer 15

2.4 GHz offers longer range; 5 GHz offers higher speeds and less interference.

Question 16

What is the purpose of WPA3 in wireless networks?

Answer 16

To provide enhanced security for Wi-Fi connections.

Question 17

What is the purpose of a wireless channel?

Answer 17

To separate frequencies to reduce interference between networks.

Question 18

What is a common method to secure a SOHO wireless network?

Answer 18

Enable WPA2/WPA3 encryption and set a strong password.

Question 19

What is the purpose of a DHCP server in a SOHO network?

Answer 19

To assign IP addresses dynamically to connected devices.

Question 20

What is the difference between static and dynamic IP addresses?

Answer 20

Static IPs are manually assigned; dynamic IPs are assigned by DHCP.

Question 21

What is port forwarding?

Answer 21

A technique to allow external devices to access services within a private network.

Question 22

What is QoS, and why is it important for SOHO networks?

Answer 22

Quality of Service prioritizes network traffic for certain devices or applications.

Question 23

What is the purpose of a guest network?

Answer 23

To provide internet access for guests without allowing access to the main network.

Question 24

What is the first step when troubleshooting a network issue in a SOHO environment?

Answer 24

Verify physical connections and check for power to devices.

Question 25

What should you check if a wireless network is not visible?

Answer 25

Ensure the SSID is broadcast and the device is within range.

Question 26

What is a common issue if a device cannot connect to Wi-Fi?

Answer 26

Incorrect password or incompatible Wi-Fi standard.

Question 27

What is a common reason for slow network speeds?

Answer 27

Interference, bandwidth limitations, or outdated hardware.

Question 28

What is the purpose of a firmware update for a router?

Answer 28

To fix bugs, improve performance, and enhance security.

Question 29

What is the primary difference between IPv4 and IPv6?

Answer 29

IPv4 uses 32-bit addresses; IPv6 uses 128-bit addresses.

Question 30

How many addresses are available in IPv4?

Answer 30

Approximately 4.3 billion.

Question 31

How many addresses are available in IPv6?

Answer 31

Approximately 340 undecillion.

Question 32

What is an example of an IPv4 address?

Answer 32

192.168.1.1.

Question 33

What is an example of an IPv6 address?

Answer 33

2001:0db8:85a3:0000:0000:8a2e:0370:7334.

Question 34

What is a private IPv4 address range for Class A?

Answer 34

10.0.0.0 to 10.255.255.255.

Question 35

What is a private IPv4 address range for Class B?

Answer 35

172.16.0.0 to 172.31.255.255.

Question 36

What is a private IPv4 address range for Class C?

Answer 36

192.168.0.0 to 192.168.255.255.

Question 37

What is a public IP address?

Answer 37

An IP address assigned by an ISP, accessible over the internet.

Question 38

What is a private IP address?

Answer 38

An IP address used within a local network and not accessible directly over the internet.

Question 39

What does APIPA stand for?

Answer 39

Automatic Private IP Addressing.

Question 40

What is the IP range for APIPA?

Answer 40

169.254.0.1 to 169.254.255.254.

Question 41

When is an APIPA address assigned?

Answer 41

When a device cannot obtain an IP address from a DHCP server.

Question 42

What is a common issue if a device has an APIPA address?

Answer 42

The device cannot connect to other network devices or the internet.

Question 43

What is a static IP address?

Answer 43

An IP address manually assigned to a device.

Question 44

What is a dynamic IP address?

Answer 44

An IP address automatically assigned by a DHCP server.

Question 45

What is a common use case for static IP addresses?

Answer 45

Servers, printers, and devices that require a fixed address.

Question 46

What is a benefit of using dynamic IP addresses?

Answer 46

Simplifies network configuration and management.

Question 47

What is a subnet mask used for?

Answer 47

To determine the network and host portions of an IP address.

Question 48

What is CIDR notation?

Answer 48

Classless Inter-Domain Routing, e.g., /24 represents a subnet mask of 255.255.255.0.

Question 49

What is the subnet mask for a /16 network?

Answer 49

255.255.0.0.

Question 50

What is the purpose of subnetting?

Answer 50

To divide a network into smaller, more manageable segments.

Question 51

What is the purpose of link-local IPv6 addresses?

Answer 51

To communicate within the same network segment; begins with FE80::.

Question 52

What is the purpose of global unicast IPv6 addresses?

Answer 52

To communicate over the internet; starts with 2000::/3.

Question 53

What is the purpose of multicast IPv6 addresses?

Answer 53

To send data to multiple destinations simultaneously; starts with FF00::/8.

Question 54

What is an IPv6 unique local address (ULA)?

Answer 54

Private IPv6 address range used within a local network; starts with FC00::/7.