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Mobile Devices 1 > 2.2 Networking Hardware > Flashcards

2.2 Networking Hardware Flashcards

1
Q

What is the primary function of a network switch?

A

To connect devices in a LAN and manage data traffic between them.

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2
Q

What is the difference between a hub and a switch?

A

A hub broadcasts data to all ports, while a switch sends data only to the intended device.

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3
Q

What is the purpose of a router?

A

To connect multiple networks and direct data packets between them.

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4
Q

What is the function of a modem?

A

To convert digital signals to analog for transmission over telephone lines and vice versa.

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5
Q

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

A

To extend a wired network and allow wireless devices to connect.

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6
Q

What is the difference between a managed and unmanaged switch?

A

Managed switches support configuration, monitoring, and VLANs, while unmanaged switches do not.

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7
Q

What is a firewall used for?

A

To monitor and control incoming and outgoing network traffic based on security rules.

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8
Q

What is a network bridge?

A

A device that connects two network segments and reduces traffic by filtering data.

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9
Q

What is a repeater in networking?

A

A device that amplifies signals to extend the distance of a network connection.

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10
Q

What is the purpose of a patch panel?

A

To organize and connect network cables in a central location.

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11
Q

What is a PoE switch?

A

A switch that provides Power over Ethernet to devices like IP cameras and WAPs.

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12
Q

What is the role of a gateway in a network?

A

To connect two different networks and translate communication protocols.

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13
Q

What is a NIC?

A

Network Interface Card, a hardware component that connects a device to a network.

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14
Q

What is the purpose of a media converter?

A

To convert network signals between different media types, like fiber and copper.

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15
Q

What is a load balancer?

A

A device that distributes network traffic across multiple servers to improve performance.

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16
Q

What is the function of a proxy server?

A

To act as an intermediary between clients and servers, enhancing security and performance.

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17
Q

What is a Layer 3 switch?

A

A switch with routing capabilities, allowing it to direct traffic between VLANs.

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18
Q

What is the difference between single-mode and multimode fiber?

A

Single-mode fiber is used for long-distance communication, while multimode fiber is for shorter distances.

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19
Q

What is the purpose of a wireless range extender?

A

To boost and extend the coverage of a wireless network.

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20
Q

What is the function of a NAS device?

A

Network-Attached Storage provides file storage and sharing over a network.

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21
Q

What is a print server?

A

A device or software that manages print jobs on a network.

22
Q

What is the purpose of a VoIP gateway?

A

To convert voice data between traditional phone lines and VoIP networks.

23
Q

What is a CSU/DSU?

A

Channel Service Unit/Data Service Unit, a device that connects a router to a digital circuit.

24
Q

What is the function of a demarcation point?

A

The point where the service provider’s network ends and the customer’s network begins.

25
Q

What is a patch cable?

A

A short cable used to connect devices to a switch, router, or patch panel.

26
Q

What is an SFP module?

A

Small Form-factor Pluggable, a transceiver used for network connections like fiber or copper.

27
Q

What is the role of a content filter?

A

To block or restrict access to specific websites or content based on policies.

28
Q

What is the difference between a wired and wireless router?

A

A wired router connects devices using Ethernet cables, while a wireless router also provides Wi-Fi connectivity.

29
Q

What is the purpose of a KVM switch?

A

To allow control of multiple computers using a single keyboard, video display, and mouse.

30
Q

What is the difference between a firewall and an IDS?

A

A firewall blocks or allows traffic, while an Intrusion Detection System monitors for malicious activity.

31
Q

What is a load balancer’s primary purpose?

A

To distribute network or application traffic across multiple servers to ensure reliability.

32
Q

What is the difference between a modem and a router?

A

A modem connects to the internet, while a router distributes that connection to devices in a network.

33
Q

What is an unmanaged switch?

A

A plug-and-play device that does not allow configuration or management.

34
Q

What is the purpose of an access point controller?

A

To manage and configure multiple wireless access points in a network.

35
Q

What is a power injector in PoE?

A

A device that adds power to an Ethernet cable for devices that require Power over Ethernet.

36
Q

What is a transceiver?

A

A device that transmits and receives signals in networking hardware.

37
Q

What is the purpose of a media access unit (MAU)?

A

To provide connectivity in Token Ring networks.

38
Q

What is the difference between a hardware and software firewall?

A

A hardware firewall is a standalone device, while a software firewall runs on a computer or server.

39
Q

What is a network appliance?

A

A dedicated hardware device designed for specific network functions, like firewalls or proxies.

40
Q

What is the purpose of a multilayer switch?

A

To operate at multiple OSI layers, providing both switching and routing functions.

41
Q

What is an intrusion prevention system (IPS)?

A

A system that actively blocks detected threats in a network.

42
Q

What is a network tap?

A

A device that provides a way to monitor network traffic for analysis or troubleshooting.

43
Q

What is a VPN concentrator?

A

A device that manages multiple VPN connections for secure remote access.

44
Q

What is the purpose of a wireless bridge?

A

To connect two separate wired networks using a wireless link.

45
Q

What is the function of a DSL modem?

A

To connect a network to the internet using a Digital Subscriber Line connection.

46
Q

What is the purpose of a network analyzer?

A

To capture and analyze network traffic for troubleshooting or security purposes.

47
Q

What is an edge device in networking?

A

A device at the boundary of a network that connects internal devices to external networks.

48
Q

What is the difference between a core and distribution switch?

A

A core switch handles high-speed traffic in the backbone, while a distribution switch connects access switches to the core.

49
Q

What is the purpose of a network hub?

A

To connect multiple devices in a network, but it broadcasts data to all devices.

50
Q

What is a virtual switch?

A

A software-based switch that connects virtual machines in a virtualized environment.

51
Q

What is a UTM appliance?

A

Unified Threat Management, a device that combines firewall, antivirus, and intrusion prevention functions.

Mobile Devices 1 (37 decks)

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