Soho Networks Flashcards

1
Q

What does SOHO stand for?

A

Small Office/Home Office.

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2
Q

What is the purpose of a SOHO router?

A

To provide internet access and manage network devices.

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3
Q

What is the default IP range for most SOHO routers?

A

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

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4
Q

What is the difference between a modem and a router?

A

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

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5
Q

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

A

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

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6
Q

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

A

Ethernet cable (Cat5e or Cat6).

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7
Q

What is the maximum length for an Ethernet cable?

A

100 meters (328 feet).

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8
Q

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

A

To connect multiple devices within the same network.

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9
Q

What is a common tool for testing Ethernet cable connectivity?

A

Cable tester or continuity tester.

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10
Q

What is the purpose of a patch panel?

A

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

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11
Q

What does SSID stand for?

A

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

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12
Q

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

A

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

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13
Q

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

A

802.11n, 802.11ac, and 802.11ax.

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14
Q

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

A

2.4 GHz and 5 GHz.

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15
Q

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

A

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

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16
Q

What is the purpose of WPA3 in wireless networks?

A

To provide enhanced security for Wi-Fi connections.

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17
Q

What is the purpose of a wireless channel?

A

To separate frequencies to reduce interference between networks.

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18
Q

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

A

Enable WPA2/WPA3 encryption and set a strong password.

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19
Q

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

A

To assign IP addresses dynamically to connected devices.

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20
Q

What is the difference between static and dynamic IP addresses?

A

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

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21
Q

What is port forwarding?

A

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

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22
Q

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

A

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

23
Q

What is the purpose of a guest network?

A

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

24
Q

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

A

Verify physical connections and check for power to devices.

25
Q

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

A

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

26
Q

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

A

Incorrect password or incompatible Wi-Fi standard.

27
Q

What is a common reason for slow network speeds?

A

Interference, bandwidth limitations, or outdated hardware.

28
Q

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

A

To fix bugs, improve performance, and enhance security.

29
Q

What is the primary difference between IPv4 and IPv6?

A

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

30
Q

How many addresses are available in IPv4?

A

Approximately 4.3 billion.

31
Q

How many addresses are available in IPv6?

A

Approximately 340 undecillion.

32
Q

What is an example of an IPv4 address?

A

192.168.1.1.

33
Q

What is an example of an IPv6 address?

A

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

34
Q

What is a private IPv4 address range for Class A?

A

10.0.0.0 to 10.255.255.255.

35
Q

What is a private IPv4 address range for Class B?

A

172.16.0.0 to 172.31.255.255.

36
Q

What is a private IPv4 address range for Class C?

A

192.168.0.0 to 192.168.255.255.

37
Q

What is a public IP address?

A

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

38
Q

What is a private IP address?

A

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

39
Q

What does APIPA stand for?

A

Automatic Private IP Addressing.

40
Q

What is the IP range for APIPA?

A

169.254.0.1 to 169.254.255.254.

41
Q

When is an APIPA address assigned?

A

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

42
Q

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

A

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

43
Q

What is a static IP address?

A

An IP address manually assigned to a device.

44
Q

What is a dynamic IP address?

A

An IP address automatically assigned by a DHCP server.

45
Q

What is a common use case for static IP addresses?

A

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

46
Q

What is a benefit of using dynamic IP addresses?

A

Simplifies network configuration and management.

47
Q

What is a subnet mask used for?

A

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

48
Q

What is CIDR notation?

A

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

49
Q

What is the subnet mask for a /16 network?

A

255.255.0.0.

50
Q

What is the purpose of subnetting?

A

To divide a network into smaller, more manageable segments.

51
Q

What is the purpose of link-local IPv6 addresses?

A

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

52
Q

What is the purpose of global unicast IPv6 addresses?

A

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

53
Q

What is the purpose of multicast IPv6 addresses?

A

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

54
Q

What is an IPv6 unique local address (ULA)?

A

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