Question 42

The router directs packet data through different networks to facilitate communication.

A router's primary purpose is to direct packet data across various networks, ensuring that information is sent to the correct destination. This function is crucial for enabling communication between devices on different networks.

A) Coordinates resources and manages communications

While coordinating resources and managing communications are important functions in a network, this description is too broad and does not specifically define the role of a router. Routers do not manage resources but rather route data between networks.

B) Sends packet data to all other connected devices without filtering

This option incorrectly describes the operation of a router. A router does not indiscriminately send data to all connected devices; instead, it selectively routes data packets based on their destination addresses, which is essential for efficient network communication.

C) Directs packet data through different networks to facilitate communication

This option accurately describes the core function of a router. It is responsible for directing packet data from one network to another, ensuring that data reaches its intended destination effectively, which is vital for communication in a networked environment.

D) Filters and forwards data to specified network destinations

While this option contains elements of a router's functionality, it does not capture the broader role of directing data through multiple networks. Filtering and forwarding are part of the routing process, but the primary function is to facilitate communication between different networks, which this option does not fully address.

Conclusion

The correct answer, C, clearly defines the essential function of a router in a network: directing packet data through various networks. Options A and B fail to accurately describe a router's specific role, while D, though partially correct, does not encompass the broader context of network communication that C provides. Thus, C is the most accurate and complete answer.