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What is port bonding or link aggregation designed to do?

  1. Combine multiple interfaces into a single logical interface

  2. Increase the bandwidth of a single network interface

  3. Ensure redundancy by duplicating data

  4. Stabilize network connections across multiple routers

The correct answer is: Combine multiple interfaces into a single logical interface

Port bonding, also known as link aggregation, is designed to combine multiple network interfaces into a single logical interface. This allows for the aggregation of bandwidth from multiple physical connections, leading to improved performance and increased throughput. By doing this, link aggregation enables better utilization of available network resources, as the collective bandwidth of the combined links can handle more data than any single link alone. This combination also provides a level of redundancy; if one link in the aggregated group fails, the others can continue to carry the traffic, thus enhancing network reliability. However, the primary function of link aggregation is the merging of interfaces to form a single, enhanced logical connection, which is crucial for creating faster and more efficient network links.