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Exam AWS-SysOps topic 1 question 529 discussion

Exam question from Amazon's AWS-SysOps
Question #: 529
Topic #: 1
[All AWS-SysOps Questions]

A web-based application is running in AWS. The application is using a MySQL Amazon RDS database instance for persistence. The application stores transactional data and is read-heavy. The RDS instance gets busy during the peak usage, which shows the overall application response times.
The SysOps Administrator is asked to improve the read queries performance using a scalable solution.
Which options will meet these requirements? (Choose two.)

  • A. Scale up the RDS instance to a larger instance size
  • B. Enable the RDS database Multi-AZ option
  • C. Create a read replica of the RDS instance
  • D. Use Amazon DynamoDB instead of RDS
  • E. Use Amazon ElastiCache to cache read queries
Show Suggested Answer Hide Answer
Suggested Answer: CE 🗳️
by jxhyxxclyp at Sept. 10, 2019, 2:30 a.m.
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saumenP
Highly Voted 8 months, 3 weeks ago
Multi AZ is for high availability, not for performance. CE should be correct
upvoted 12 times
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jxhyxxclyp
Highly Voted 9 months, 1 week ago
ans is ce
upvoted 10 times
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xxxdolorxxx
Most Recent 7 months, 3 weeks ago
CE is correct
upvoted 1 times
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TroyMcLure
7 months, 3 weeks ago
Correct Answer: C & E
upvoted 1 times
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fqnn
7 months, 4 weeks ago
I agree with C&E, B has nothing to do with performance
upvoted 1 times
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ericphl
8 months ago
Why the answer couldn't be A? increase instance size can help to operate DB faster, isn't it ?
upvoted 2 times
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eramit
8 months ago
correct answer ki c&e
upvoted 1 times
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KhatriRocks
8 months ago
CE is quite obvious
upvoted 1 times
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a_w_s
8 months, 1 week ago
C&E : the good answers!
upvoted 1 times
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AWS_Noob
8 months, 1 week ago
C & E - If they asked for High Availability instead of "Read-heavy" the default answers would be fine
upvoted 2 times
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sen12
8 months, 2 weeks ago
Keyword here is "read-heavy" application. So C & E .
upvoted 2 times
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karmaah
8 months, 3 weeks ago
Yes.CE
upvoted 3 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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