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Appian ACD300 Exam Syllabus Topics:

Appian Certified Lead Developer Sample Questions:

1. You are just starting with a new team that has been working together on an application for months. They ask you toreview some of their views thathave been degrading inperformance. The viewsare highly complex with hundreds of lines of SOL What is the first step in troubleshooting the degradation?

A) Run an explain statement on the views, identify criticalareas of improvement that can be remediated and without business knowledge
B) Browse through the tables, note any tables that contain a large volume of null values, and work with your team to plan for table restructure.
C) Go through the entire database structure to obtain on overview, ensure you understand the business needs, andthen normalize the tables to optimizeperformance.
D) Go through all of the tables one by one to identify which of the grouped by. ordered by. or joined keys are currently indexed

2. You add an index on the searched field of a MySQL table with many rows (>100k).
The field would benefit greatly from the Index in which three scenarios?

A) The field contains a textual shot Business code.
B) The field contains long unstructured text such as a hash
C) The Add contains Dig integers, above and below 0.
D) The field contains a structured JSON.
E) The field contains many datetimes, covering a large range

3. You are on a protect with an application that has been deployed to Production and is live with users. The client wishes to increase the number of active users.
You need to conduct load testing to ensure Production can handle the increased usage Review the specs for four environments in the following image.

Which environment should you use for load testing7

A) acme
B) acmedev
C) acmeuat
D) acmetest

4. As part of an upcoming release of an application, a new nullable field is added to a table that contains customer dataThe new field is used by a reportin the upcoming release, and is calculated using data from another table.
Which two actions should you consider when creating the script to add the new field?

A) Create a script that adds the field and then populate it
B) Create a script thatadds the held and leaves it null.
C) Add a view that joins the customer data to the data used in calculation
D) Create a rollback script that clears the data from the field
E) Create a rollback script that removes the field.

Solutions: