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Exam AWS Certified Database - Specialty topic 1 question 294 discussion

Exam question from Amazon's AWS Certified Database - Specialty
Question #: 294
Topic #: 1
[All AWS Certified Database - Specialty Questions]

A financial services company is using AWS Database Migration Service (AWS DMS) to migrate its databases from on-premises to AWS. A database administrator is working on replicating a database to AWS from on-premises using full load and change data capture (CDC). During the CDC replication, the database administrator observed that the target latency was high and slowly increasing.

What could be the root causes for this high target latency? (Choose two.)

  • A. There was ongoing maintenance on the replication instance.
  • B. The source endpoint was changed by modifying the task.
  • C. Loopback changes had affected the source and target instances.
  • D. There was no primary key or index in the target database.
  • E. There were resource bottlenecks in the replication instance.
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Suggested Answer: DE 🗳️
by rdiaz at March 26, 2023, 4:34 p.m.
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backbencher2022
Highly Voted 2 years, 1 month ago
Selected Answer: DE
Clearly D & E are the correct options as per this URL for High TARGET Latency https://repost.aws/knowledge-center/dms-high-target-latency
upvoted 5 times
Mintwater
2 years, 1 month ago
according to the link -- I vote DE If the CDCLatencySource isn't high, but the CDCLatencyTarget is high, the latency could be caused by the following: There are no primary keys or indexes in the target There are resource bottlenecks in the target There are resource bottlenecks in the replication instance There is a network issue between the replication instance and the target
upvoted 2 times
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DanShone
Most Recent 1 year, 7 months ago
Selected Answer: DE
https://repost.aws/knowledge-center/dms-high-target-latency
upvoted 2 times
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Pranava_GCP
1 year, 8 months ago
Selected Answer: DE
https://repost.aws/knowledge-center/dms-high-target-latency
upvoted 2 times
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Windy
1 year, 9 months ago
It's DE
upvoted 2 times
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rdiaz
2 years, 1 month ago
Selected Answer: AE
A not sure E sure https://repost.aws/knowledge-center/dms-high-source-latency
upvoted 1 times
Pranava_GCP
1 year, 8 months ago
high target latency link as below https://repost.aws/knowledge-center/dms-high-target-latency
upvoted 2 times
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