Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR) — Question 348

Company A must increase throughput between two non-IEEE 802.3ad switches located in the access and distribution layers. A network engineer must create a link group with the same speed and duplex. The STP protocol must not block any of the group ports. Which action completes the implementation?

Answer options

• A. Bundle the physical interfaces with mode lacp configured on each of them.
• B. Enable Port Aggregation Protocol with mode auto under the logical group interface.
• C. Configure a group logical interface with mode active enabled.
• D. Group Ethernet interfaces with mode desirable under the physical interfaces.

Correct answer: D

Explanation

The correct answer is D because using mode desirable allows for the aggregation of interfaces without STP blocking any ports. Options A and B refer to protocols that do not meet the requirement of preventing STP from blocking ports, while option C does not specify the correct mode to ensure the desired functionality.