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Salesforce Certified Platform Developer II (Plat-Dev-301) Exam - Topic 2 Question 119 Discussion

Which three approaches should a developer implement to obtain the best performance for data retrieval when building a Lightning web component? Choose 3 answers
A) Use lazy load for occasionally accessed data. and C) Use the Lightning Data Service. and E) Use {Cacheable=true} whenever possible
B) Use layoutTypes: 9'Full') to display a set of fields.
D) Use getRecordUi to obtain metadata.

Salesforce Certified Platform Developer II (Plat-Dev-301) Exam - Topic 2 Question 119 Discussion

Actual exam question for Salesforce's Salesforce Certified Platform Developer II (Plat-Dev-301) exam
Question #: 119
Topic #: 2
[All Salesforce Certified Platform Developer II (Plat-Dev-301) Questions]

Which three approaches should a developer implement to obtain the best performance for data retrieval when building a Lightning web component? Choose 3 answers

Show Suggested Answer Hide Answer
Suggested Answer: A, C, E

Lazy loading improves performance by loading data only when needed.

Lightning Data Service (LDS) handles data operations and caching efficiently.

Using {Cacheable=true} on Apex methods enables the Lightning Component framework to cache the method's return value, reducing server round-trips for the same data.


Lightning Web Components Developer Guide

by Kenny at Aug 17, 2025, 02:43 PM

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Bettye
5 months ago
Wait, can getRecordUi really help with performance? Sounds odd.
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Albert
6 months ago
{Cacheable=true} is a game changer, can't believe some overlook it!
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Maryann
6 months ago
I think lazy loading is a must for optimizing data access.
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Von
6 months ago
Not sure about layoutTypes, seems less relevant for performance.
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Eden
6 months ago
Definitely go with Lightning Data Service for better performance!
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Raul
6 months ago
I vaguely remember something about getRecordUi, but I’m not confident if it’s the best choice for performance.
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Anabel
7 months ago
I practiced a similar question, and I feel like {Cacheable=true} is crucial for performance, but I can't recall the third option.
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Derick
7 months ago
I think using Lightning Data Service is definitely one of the answers, but I'm not sure about the others.
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Amie
7 months ago
I remember discussing lazy loading in class; it seems like a good option for data that isn't always needed.
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Beatriz
7 months ago
Sounds like a good strategy to use getRecordUi to obtain metadata as well. Gotta cover all the bases!
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Marci
7 months ago
Definitely going to use {Cacheable=true} wherever possible. That should help improve performance.
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Mari
8 months ago
I'm a bit confused about the layoutTypes: 9'Full') option. Not sure if that's the best approach here.
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Julio
8 months ago
Okay, let's see. I think using lazy load for occasionally accessed data and the Lightning Data Service are good options to consider.
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Beatriz
8 months ago
Hmm, this looks like a tricky one. I'll need to think carefully about the best approaches to optimize data retrieval performance.
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