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What does a router do?

Rationale

Manages traffic by maintaining a table of known devices on the network.

A router's primary function is to manage data traffic between devices on a network by directing packets of data based on their destination IP addresses. It maintains a routing table that keeps track of the devices connected to the network, ensuring efficient data transmission.

A (Manages traffic by maintaining a table of known devices on the network) CORRECT

This choice accurately describes a router's core function. Routers utilize routing tables to make intelligent decisions about where to send data packets, helping to regulate traffic and optimize network performance.

B (Provides services, such as website hosting and routing, for various devices) YOUR ANSWER

While routers do route data, they do not typically provide web hosting services. Web hosting is generally managed by a server, not a router. Therefore, this statement misrepresents the primary role of a router.

C (Converts incoming analog data into digital and outgoing digital data into analog) YOUR ANSWER

This function is characteristic of a modem, not a router. A modem modulates and demodulates signals for internet connectivity, while a router focuses solely on directing traffic within a network.

D (Extends the cable range and allows connections to be made by increasing the signal strength) YOUR ANSWER

This choice pertains more to network extenders or repeaters, which amplify signals to extend coverage. Routers do not extend cable range; rather, they manage the data flow between devices within an established network.

Conclusion

A router's essential role is to manage network traffic by maintaining a routing table of connected devices, making it crucial for efficient communication in a network. The other options describe functions associated with different types of network equipment, underscoring the router's unique function in directing data packets rather than performing tasks like hosting or converting signal types. Understanding these distinctions is vital for effective network management.

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