Which of the following features allows to aggregate multiple 1 gigabit or 10 gigabit connections at a single AWS Direct Connect and treat them as a single connection.

Answer options:

A.Direct Connection Peering
B.Link Aggregation Group
C.Connection Addition Group
D.VPN connection peering

Answer - B
The AWS documentation mentions the following on link aggregation groups
A link aggregation group (LAG) is a logical interface that uses the Link Aggregation Control Protocol (LACP) to aggregate multiple 1 gigabit or 10 gigabit connections at a single AWS Direct Connect endpoint, allowing you to treat them as a single, managed connection.
For more information on LAG, please visit the below URL:
http://docs.aws.amazon.com/directconnect/latest/UserGuide/lags.html