Section 2.2 Networking Hardware

What device connects multiple networks together and routes traffic between them?

Router

What is the function of a switch in a network?

Forwards traffic based on MAC addresses

What is the difference between a managed and unmanaged switch?

Managed switches allow configuration; unmanaged switches do not

Which network device broadcasts data to all ports by default?

Hub

What device provides wireless access to a wired network?

Access point

What is a patch panel used for?

Organizes and connects incoming and outgoing network cables

What does a firewall do?

Monitors and controls incoming and outgoing network traffic based on security rules

What is Power over Ethernet (PoE)?

Delivers power and data over Ethernet cables

What is a PoE injector?

Adds power to a network cable for PoE devices

What type of switch provides built-in PoE support?

PoE switch

What are two PoE standards?

IEEE 802.3af (PoE) and IEEE 802.3at (PoE+)

What is the purpose of a cable modem?

Provides Internet access via cable TV infrastructure

How does DSL differ from cable?

DSL uses telephone lines; cable uses coaxial TV cables

What is an Optical Network Terminal (ONT)?

Converts fiber-optic signals to Ethernet or phone lines

What does a Network Interface Card (NIC) do?

Enables a device to connect to a network

What is the purpose of Software-Defined Networking (SDN)?

Separates network control from hardware for centralized management

Which device creates collision domains for each port?

Switch

Which device creates a single collision domain for all ports?

Hub

Which network device is used to enforce network security rules?

Firewall

What device connects LANs to WANs?

Router

Which device operates at Layer 2 of the OSI model?

Switch

Which device operates at Layer 3 of the OSI model?

Router

What is the key benefit of a managed switch?

VLAN support, port mirroring, and traffic control

Which network device provides physical connection points for cables?

Patch panel

What is the purpose of an unmanaged switch?

Plug-and-play Ethernet connectivity with no configuration

What protocol is commonly used with software-defined networking?

OpenFlow

Which device often includes a built-in firewall?

Router

Which network device aggregates Ethernet connections in a structured cabling system?

Patch panel

Which device allows wired Ethernet devices to connect to a wireless network?

Access point

What are two functions of a router?

Assigns IP addresses and routes traffic between networks

What differentiates a router from a switch?

Routers connect networks; switches connect devices within a network

What device amplifies and rebroadcasts signals but doesn't filter traffic?

Hub

What type of modem connects to coaxial cable for broadband access?

Cable modem

What network device must be used to power IP cameras via Ethernet?

PoE switch or injector

What does an ONT typically connect to?

A fiber-optic line and a home router or switch

What networking device is essential for connecting to an ISP via telephone line?

DSL modem

What device uses MAC address tables to forward traffic?

Switch

What is a drawback of using hubs?

They broadcast all traffic to all ports, reducing efficiency

Which device is best for connecting multiple Ethernet segments in a data center?

Switch

How does SDN enhance flexibility in network management?

Allows dynamic control and configuration of the network

What device is typically used to segment broadcast domains?

Router

Which PoE standard supports higher power output?

IEEE 802.3at (PoE+)

What device allows multiple wired devices to connect to a single Ethernet port?

Switch

What does a NIC typically include?

MAC address and network connectivity

Which component in SDN is responsible for decision-making?

SDN controller

Why are patch panels useful in large networks?

They simplify cable management and maintenance

Which device assigns local IP addresses dynamically?

Router with DHCP

Which networking hardware is commonly used in FTTH (Fiber to the Home)?

ONT

What type of device combines routing, switching, and firewall capabilities?

Unified threat management device (UTM)

What allows remote centralized control of switches and routers in SDN?

SDN controller