A global enterprise has applications deployed in GCP and on-premises. They are analyzing their monthly GCP bill and notice high network egress costs. Which TWO architectural changes would effectively reduce network egress costs? (Select TWO)

Answer options:

Implement Cloud CDN to cache static assets at the edge.

Route traffic between GCP and on-premises over Dedicated Interconnect instead of Cloud VPN.

Change the Network Service Tier from Standard to Premium.

Use external IP addresses for communication between VMs in different GCP regions.

Store all data in Multi-Regional Cloud Storage buckets instead of Regional buckets.

How to approach this question

Identify GCP services that offer discounted egress pricing models.

Full Answer

Network egress (data leaving GCP) is a major cost driver. Cloud CDN reduces egress costs because Google charges less for data served from the edge cache. Dedicated Interconnect reduces costs because Google offers discounted egress rates for traffic routed over private interconnects compared to the public internet.

Common mistakes

Selecting Premium Tier (C) thinking 'Premium' means better cost optimization, when it actually means higher performance at a higher cost.

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Practice the full GCP Professional Cloud Architect Practice Exam 6

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