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Question 147 - Associate Cloud Engineer discussion

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You are hosting an application from Compute Engine virtual machines (VMs) in us--central1--a. You want to adjust your design to support the failure of a single Compute Engine zone, eliminate downtime, and minimize cost. What should you do?


A.
-- Create Compute Engine resources in us--central1--b. -- Balance the load across both us--central1--a and us--central1--b.
Answers
A.
-- Create Compute Engine resources in us--central1--b. -- Balance the load across both us--central1--a and us--central1--b.
B.
-- Create a Managed Instance Group and specify us--central1--a as the zone. -- Configure the Health Check with a short Health Interval.
Answers
B.
-- Create a Managed Instance Group and specify us--central1--a as the zone. -- Configure the Health Check with a short Health Interval.
C.
-- Create an HTTP(S) Load Balancer. -- Create one or more global forwarding rules to direct traffic to your VMs.
Answers
C.
-- Create an HTTP(S) Load Balancer. -- Create one or more global forwarding rules to direct traffic to your VMs.
D.
-- Perform regular backups of your application. -- Create a Cloud Monitoring Alert and be notified if your application becomes unavailable. -- Restore from backups when notified.
Answers
D.
-- Perform regular backups of your application. -- Create a Cloud Monitoring Alert and be notified if your application becomes unavailable. -- Restore from backups when notified.
Suggested answer: A

Explanation:

Choosing a region and zone You choose which region or zone hosts your resources, which controls where your data is stored and used. Choosing a region and zone is important for several reasons:

Handling failures

Distribute your resources across multiple zones and regions to tolerate outages. Google designs zones to be independent from each other: a zone usually has power, cooling, networking, and control planes that are isolated from other zones, and most single failure events will affect only a single zone. Thus, if a zone becomes unavailable, you can transfer traffic to another zone in the same region to keep your services running. Similarly, if a region experiences any disturbances, you should have backup services running in a different region. For more information about distributing your resources and designing a robust system, see Designing Robust Systems. Decreased network latency To decrease network latency, you might want to choose a region or zone that is close to your point of service. https://cloud.google.com/compute/docs/regions-zones#choosing_a_region_and_zone

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asked 18/09/2024
Jonathan Tang
42 questions
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