# data[].attributes.headline
A bridge is a structure that spans a physical barrier, such as a body of water, a valley, or a road, without blocking access beneath it. 

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A bridge is a structure that spans a physical barrier, such as a body of water, a valley, or a road, without blocking access beneath it. 

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A computer network's bridge links to other bridge networks that use the same protocol. These network devices connect two separate networks and provide connectivity between them at the data link layer of an OSI model.

# data[].attributes.subject
A computer network's bridge links to other bridge networks that use the same protocol. These network devices connect two separate networks and provide connectivity between them at the data link layer of an OSI model.

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Transparent Bridge-It's an invisible computer network bridge, as the name implies. 

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Transparent Bridge-It's an invisible computer network bridge, as the name implies. 

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translational bridge-plays a key role in changing a networking system from one type to another. These bridges connect two separate networks, such as token ring and Ethernet.
Source Route Bridge-IBM developed the Bridge technique, which is one of the Token Ring network techniques. The complete frame route is contained in one frame in this bridge.

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1.A bridge, on average, is more expensive than the hub and repeaters. That is why it is only used when there is a lot of LAN network traffic. In other cases where the data load is variable, a hub or a repeater should be used.
2.Speed

A bridge does more buffering of frames and introduce more relays. This makes them slower compare to a repeater.

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1.Bridges are often used as repeaters to expand a network. Bridges may be used to link networks with different architectures.
2.In general, network reliability is high in a bridge, which makes network maintenance simpler. Additionally, by splitting a LAN into small parts, network congestion can be minimized.

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A modem encodes digital information for transmission by modulating one or more carrier wave signals, and demodulates signals to decode the transmitted data. The aim is to create a signal that can be easily transmitted and accurately decoded to recreate the original digital data.

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A modem modulates and demodulates electrical signals sent over phone lines, coaxial cables, and other types of wiring; in other words, it converts digital data from your device into analog signals that can be transmitted over wires, and it can also convert incoming analog signals back to digital data.

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1.Half Duplex Modem- The word half duplex refers to a signal that can travel in any direction but is only transmitted in one direction at a time.
2.Full Duplex Modem-These modems can send and receive data in both directions at the same time. They also employ two carrier frequencies, one for each direction of travel.
3.Asynchronous Modem-These modems can send and receive data in both directions at the same time. They also employ two carrier frequencies, one for each direction of travel.

# data[].attributes.body
1.A modem modulates and demodulates electrical signals sent over phone lines, coaxial cables, and other types of wiring; in other words, it converts digital data from your device into analog signals that can be transmitted over wires, and it can also convert incoming analog signals back to digital data.
2.Signal Conversion-A modem converts digital signals into analog signals when they are sent by a device. The signals are translated back to their original form once they reach the destination device.

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1.Adaptability

Although external modems do not allow mobility, all internal modems do. Internal modems can be used to access the internet wirelessly. However, this necessitates a lot of electricity, and the link can become slower as a result.
2.Maintenance of the traffic flow

A modem interferes with traffic between a LAN and the internet. As a result, it is unable to maintain traffic.

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A signal repeater is an electronic system that receives and retransmits a signal. Repeaters are used to spread transmissions over longer distances or to transmit signals on the other side of an obstacle.

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The Physical Layer of the OSI model is where a repeater works. Its primary purpose is to recycle signals in the same network until they become weaker or corrupted. This ensures that the signal can be applied to a greater degree of precision within the same network.

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Analog Repeaters − They can only amplify the analog signal.
Digital Repeaters-They can recreate a corrupted signal using digital repeaters.
Wired repeaters-They're commonly found in wired LANs.
Wireless repeater-Wireless LANs and cellular networks both make use of them.
Local Repeaters − They connect LAN segments separated by small distance.
Remote Repeaters − They connect LANs that are far from each other.

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1.Connection-The primary role of a router is to allow multiple machines to share a single network connection. Multiple users can link to the internet using this, increasing overall efficiency.
2.Security-A router is unquestionably the first step in securing a network link.

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Cost-Routers are more expensive than any other form of networking system. Hub, bridge, and defense are all included.
Implementation-To set up a standard router, it takes a lot of initial configurations and NAT.