Network Components and Devices

What does a Layer 2 device do with the electrical signal it receives in one port?

It directly forwards the signal to another port.
It interprets the bits and makes a filtering or forwarding decision. (correct)
It sends the signal to a router for further processing.
It discards the signal due to insufficient information.

What is the primary function of a switch in a LAN segment?

To provide network troubleshooting tools.
To connect multiple devices together in a LAN segment. (correct)
To provide power-over-ethernet to devices.
To connect devices to the Internet.

What type of processors are used in switches to make switching decisions?

Application-Specific Integrated Circuits (ASICs) (correct)
Digital Signal Processors (DSPs)
Graphics Processing Units (GPUs)
Central Processing Units (CPUs)

What is a broadcast domain?

A logical network composed of all devices reached by sending a frame to the data link layer broadcast address. (D) Signup and view all the answers

What is the purpose of a MAC address table in a switch?

To list all known MAC addresses for forwarding/filtering decisions. (A) Signup and view all the answers

What is another name for the MAC address table in Cisco LAN switches?

Content-Addressable Memory (CAM) table (D) Signup and view all the answers

What is the primary function of a router?

To connect different network segments (C) Signup and view all the answers

What is the purpose of a routing table in a router?

To decide how to forward packets (B) Signup and view all the answers

What is an access point used for?

To transmit network signals across radio-frequency channels (A) Signup and view all the answers

What is the primary function of a wireless LAN controller?

To perform control functions for each LWAP (C) Signup and view all the answers

What is the purpose of a router in a network?

To connect several smaller networks into a large network (A) Signup and view all the answers

What is the primary function of a DSL router?

To access DSL services (A) Signup and view all the answers

What is the primary function of a Wireless LAN Controller?

To manage Access Points (APs) in an enterprise environment (B) Signup and view all the answers

What is the main purpose of a firewall?

To protect network devices from outside network users and/or malicious applications and files (B) Signup and view all the answers

What is the term for a firewall device with advanced features, including deep packet inspection and URL filtering?

Next-Generation Firewall (NGFW) (B) Signup and view all the answers

What is the purpose of the 'Action' component in a firewall rule?

To determine whether the rule permits or blocks connections (A) Signup and view all the answers

What is the term for a device that forwards packets between the less secure and more secure parts of the network?

Firewall (B) Signup and view all the answers

What is the purpose of the 'Service' component in a firewall rule?

To specify the ports of a given service or application (A) Signup and view all the answers

What is the primary function of a hub in a network?

To interpret and regenerate clean signals (B) Signup and view all the answers

What is the primary function of a router?

To switch data packets between different network segments (D) Signup and view all the answers

What is the main difference between a passive hub and an active hub?

The amplification of data signals (B) Signup and view all the answers

What is a collision domain?

A physical or logical area where signals may collide (D) Signup and view all the answers

What distinguishes a Layer 3 switch from a traditional LAN switch?

Its ability to perform Layer 3 routing functions (B) Signup and view all the answers

What is the function of a repeater in a network?

To amplify and forward data signals (A) Signup and view all the answers

What is the basis for a router's forwarding decisions?

Destination IP addresses (B) Signup and view all the answers

What is the difference between a hub and a router?

A hub operates at Layer 1, while a router operates at Layer 3 (B) Signup and view all the answers

What is the primary difference between a router and a Layer 3 switch?

The scope of network segments they can manage (B) Signup and view all the answers

What is the result when a device sends a frame on a network segment within a collision domain?

Every device on the same segment will receive the frame (A) Signup and view all the answers

What is the purpose of a router's multiple interfaces?

To connect to multiple LAN and WAN interfaces (A) Signup and view all the answers

Network Components and Devices

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Questions and Answers

What does a Layer 2 device do with the electrical signal it receives in one port?

What is the primary function of a switch in a LAN segment?

What type of processors are used in switches to make switching decisions?

What is a broadcast domain?

What is the purpose of a MAC address table in a switch?

What is another name for the MAC address table in Cisco LAN switches?

What is the primary function of a router?

What is the purpose of a routing table in a router?

What is an access point used for?

What is the primary function of a wireless LAN controller?

What is the purpose of a router in a network?

What is the primary function of a DSL router?

What is the primary function of a Wireless LAN Controller?

What is the main purpose of a firewall?

What is the term for a firewall device with advanced features, including deep packet inspection and URL filtering?

What is the purpose of the 'Action' component in a firewall rule?

What is the term for a device that forwards packets between the less secure and more secure parts of the network?

What is the purpose of the 'Service' component in a firewall rule?

What is the primary function of a hub in a network?

What is the primary function of a router?

What is the main difference between a passive hub and an active hub?

What is a collision domain?

What distinguishes a Layer 3 switch from a traditional LAN switch?

What is the function of a repeater in a network?

What is the basis for a router's forwarding decisions?

What is the difference between a hub and a router?

What is the primary difference between a router and a Layer 3 switch?

What is the result when a device sends a frame on a network segment within a collision domain?

What is the purpose of a router's multiple interfaces?

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