Google Cloud Professional Cloud Network Engineer — Question 91

You have provisioned a Dedicated Interconnect connection of 20 Gbps with a VLAN attachment of 10 Gbps. You recently noticed a steady increase in ingress traffic on the Interconnect connection from the on-premises data center. You need to ensure that your end users can achieve the full 20 Gbps throughput as quickly as possible. Which two methods can you use to accomplish this? (Choose two.)

Answer options

• A. Configure an additional VLAN attachment of 10 Gbps in another region. Configure the on-premises router to advertise routes with the same multi-exit discriminator (MED).
• B. Configure an additional VLAN attachment of 10 Gbps in the same region. Configure the on-premises router to advertise routes with the same multi-exit discriminator (MED).
• C. From the Google Cloud Console, modify the bandwidth of the VLAN attachment to 20 Gbps.
• D. From the Google Cloud Console, request a new Dedicated Interconnect connection of 20 Gbps, and configure a VLAN attachment of 10 Gbps.
• E. Configure Link Aggregation Control Protocol (LACP) on the on-premises router to use the 20-Gbps Dedicated Interconnect connection.

Correct answer: B, C

Explanation

Option B is correct because adding another 10 Gbps VLAN attachment in the same region allows for a total of 20 Gbps of throughput. Option C is also correct as modifying the existing VLAN attachment to 20 Gbps directly increases the throughput. Options A, D, and E do not effectively address the need to quickly achieve the full 20 Gbps throughput with the current setup.