GCP Certification Exam Questions
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A client has data they need to log to multiple systems at once. What
solution would work for this? - ANS ✔Pub/Sub would allow them do
this.
A client has Hadoop jobs they would like to run with a high level of
customization. What solution would you recommend. - ANS ✔If the
client needs a high level of customization, they likely would need to build
and run their Hadoop cluster from Deployment Manager, Cloud API, or
manually building the solution from Console and Cloud Shell.
A client has specific data transformations to perform, but doesn't care
what platform they're run on as long as their flow is used. What
solution would work best? - ANS ✔Dataflow is a good option.
A client has specific Hadoop jobs they would like to run. They're
willing to surrender customization but need a Hadoop environment.
What solution would be best for them? - ANS ✔Dataproc is the best
option. This gives them a managed service providing a cluster with limited
customization options.
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A client needs to balance a queue of tasks between multiple compute
engine instances. What solution could help with this? - ANS ✔Pub/Sub
would let them efficiently distribute the queue of tasks between instances.
A client wants to analyze data and doesn't care how the underlying
systems work. They just want results. What solution would be best? -
ANS ✔Big Query lets them easily analyze data. They don't have visibility
into the jobs, just the results.
A VM behind a load balancer is restarting every 60 seconds. Where
should you check first? - ANS ✔Check that the load balancer health
checks are able to pass through the firewall and reach the VMs.
Are networks global or regional? - ANS ✔Networks are global and span
all regions.
Are Pub/Sub messages durable/persistent if the subscriber is not
present? - ANS ✔Yes. The Pub/Sub system guarantees that subscriptions
retain unacknowledged messages in persistent storage for 7 days from the
moment they are published.
Any subscriptions whose presence has not been detected for 30 days may
be automatically deleted.
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Bug X only happens in certain geographic areas. What is this related
to? - ANS ✔Related to network configuration.
Bug X only happens when under heavy load. What is this related to? -
ANS ✔Related to auto scaling
Can I resize a Dataproc cluster during job processing? - ANS ✔Yes. You
can resize through the Console or command line, increasing or decreasing
the number of workers in a cluster.
Workers added to a custer will be the same type and size as existing
workers.
Can I use Pub/Sub with platforms other than GCP? - ANS ✔Yes.
Anything can take advantage of Pub/Sub as long as it can send/receive
HTTP(S) requests.
Can you prevent the destruction of an attached persistent disk when
the instance is deleted? - ANS ✔Yes. Deselect the option "Delete boot
disk when instance is deleted" when creating an instance or use the --keep-
disks option with the gcloud compute instances delete command.
Choose the data storage solution:
GCP Certification
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