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Exam Professional Cloud Architect topic 8 question 1 discussion

Actual exam question from Google's Professional Cloud Architect
Question #: 1
Topic #: 8
[All Professional Cloud Architect Questions]

TerramEarth's CTO wants to use the raw data from connected vehicles to help identify approximately when a vehicle in the field will have a catastrophic failure.
You want to allow analysts to centrally query the vehicle data.
Which architecture should you recommend?
A.

B.

C.

D.

Show Suggested Answer Hide Answer
Suggested Answer: A
The push endpoint can be a load balancer.
A container cluster can be used.
Cloud Pub/Sub for Stream Analytics

Reference:
https://cloud.google.com/pubsub/
https://cloud.google.com/solutions/iot/
https://cloud.google.com/solutions/designing-connected-vehicle-platform https://cloud.google.com/solutions/designing-connected-vehicle-platform#data_ingestion http://www.eweek.com/big-data-and-analytics/google-touts-value-of-cloud-iot-core-for-analyzing-connected-car-data https://cloud.google.com/solutions/iot/
by MJK at Dec. 30, 2019, 12:17 p.m.

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hems4all
Highly Voted 3 years, 5 months ago
A is correct As described in the Designing a Connected Vehicle Platform on Cloud IoT Core case study, 1. Google Cloud Dataflow is essential to transform, enrich and then store telemetry data by using distributed data pipelines 2. Cloud Pub/Sub is essential to handle the streams of vehicle data while at the same time decoupling the specifics of the backend processing implementation It now comes down to a choice between 1. Cloud SQL vs BigQuery for analytics. 2. GKE (with or without Anthos) + Cloud Load balancing vs App Engine. For the first point, there is no doubt that BigQuery is the preferred choice for analytics. Cloud SQL does not scale to this sort of data volume (9TB/day + data coming through when vehicles are serviced). For the second point, GKE with Cloud Load Balancing is a better fit than App Engine. App Engine is a regional service whereas, with the other option, you can have multiple GKE clusters in different regions. And Cloud Load Balancing can send requests to the cluster in the region that is closest to the vehicle. This option minimizes the latency and makes the feedback loop more real-time.
upvoted 52 times
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MJK
Highly Voted 4 years, 3 months ago
Ans should be A
upvoted 13 times
GCP_Azure
3 years, 11 months ago
You will need to use (install) an FTP server that supports load balancing. Google Cloud does not offer an FTP server service or software product
upvoted 3 times
tartar
3 years, 8 months ago
B is ok
upvoted 9 times
bjuneja
3 years, 4 months ago
How can you do analysis on SQL? A is ok
upvoted 5 times
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bnlcnd
3 years, 2 months ago
B missed the global LB. App Engine is regional only. You have to create App Engine in each region and use LB as the front door.
upvoted 1 times
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alii
3 years, 2 months ago
App engine is regional https://cloud.google.com/appengine/docs/locations. Case study says it's a global business. which rules out app engine. so we are left with A. "App Engine is regional, which means the infrastructure that runs your apps is located in a specific region, and Google manages it so that it is available redundantly across all of the zones within that region."
upvoted 4 times
alii
3 years, 2 months ago
As per case study: "They currently have over 500 dealers and service centers in 100 countries."
upvoted 1 times
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Jphix
3 years, 3 months ago
Agreed - A. For those with load balancing concerns re: FTP; transport protocol for ftp is TCP, albeit over two TCP ports. GCP Load Balancing supports TCP.
upvoted 3 times
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nitinz
3 years, 1 month ago
It is A
upvoted 1 times
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salvo007
Most Recent 2 months, 3 weeks ago
Load Balancer doesn't work on ftp. You need a server to close the connectione and put the file. than the server ftp, can put the file on pub sub etc. so the answer is B
upvoted 2 times
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Jannchie
4 months, 1 week ago
App Engine is not for analytic task, so GKE is better. A.
upvoted 1 times
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Jconnor
4 months, 2 weeks ago
yup. It's A. Maybe FTP in passive mode would help.
upvoted 1 times
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rr4444
1 year, 1 month ago
This question is a mess FTP all over the place And even into things that can't talk FTP in that way Needs fixing
upvoted 4 times
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BeCalm
1 year, 1 month ago
What is a Google Container Engine?
upvoted 1 times
n_nana
1 year, 1 month ago
It is GKE in old google naming
upvoted 3 times
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Mahmoud_E
1 year, 6 months ago
A is correct
upvoted 1 times
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JoeThach
1 year, 10 months ago
I vote for A - The company has customers in 100+ countries, while App Engine is regional (rule out B).
upvoted 1 times
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amxexam
1 year, 11 months ago
B is correct. We dont have LB that support SFTP traffic. Hence we eleminate A & C We are talking arbore analyzing IoT data = Big Quavery = B.
upvoted 2 times
moota
1 year, 2 months ago
Google Cloud Load Balancing can also do TCP/SSL load balancing. Check out key features in https://cloud.google.com/load-balancing
upvoted 1 times
HD2023
1 year ago
"FTP" doesn’t appear once on that entire page. Answer: B
upvoted 1 times
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jpco
2 years, 1 month ago
Google Load Balancer doesn't support FTP protocol
upvoted 3 times
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joe2211
2 years, 4 months ago
vote A
upvoted 2 times
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medeis_jar
2 years, 6 months ago
Answer B, because of Bigquery (Analytics) and AppEngine Flex (custom runtime environments) and the fact that there is no such a thing as Google Container Engine, there is Google Kubernetes Engine.
upvoted 3 times
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Nik22
2 years, 6 months ago
These are from old use case. Do we still need to do these?
upvoted 5 times
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MamthaSJ
2 years, 9 months ago
Answer is A
upvoted 2 times
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XDevX
2 years, 9 months ago
IMHO it is b). Background: We have in 22 hours 9 TB of ingest data. That makes 113 MB per second. The question is: Why do we have to use for a "simple" transformation of FTP files into Cloud Pub/Sub GKE with multiple clusters around the world? For me it seems to be sufficient to have App Engine Flexible in one region to handle that. We have no highly interactive game where every ms counts concerning the customer experience - we have "only" some vehicles sending data that has to be tranformed and then analysed.
upvoted 4 times
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gatul28
2 years, 11 months ago
how B? I do not see any LB there and App Engine doesn't support LBs beyond HTTP(s). Answer Is A but B's existence is confusing me much
upvoted 1 times
HD2023
1 year ago
ultra low latency isn’t required. Whereas A isn’t possible because you can’t use FTP with LB.
upvoted 1 times
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C (25%)
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