Appian Certified Lead Developer : ACD300

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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) Go through the entire database structure to obtain on overview, ensure you understand the business needs, andthen normalize the tables to optimizeperformance.
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 all of the tables one by one to identify which of the grouped by. ordered by. or joined keys are currently indexed
D) Run an explain statement on the views, identify criticalareas of improvement that can be remediated and without business knowledge

2. You have an active development team (Team A) building enhancements for an application (App X'). and ate currently using the TEST environment for UAT.
A separate operations team ('Team B) discovers a critical error in the Production instance of App X that they must remediate However. Team 6 does not have a hotfix stream for which to accomplish this The available environments are DEV. TEST, and PROD Which risk mitigation effort should both teams employ to ensure Team AS capital project is only minorly interrupted, and Team B s critical fix can be completed and deployed quickly to end users?

A) Team 8 must communicate to Team A which component will be addressed in the hotfix to avoid overlap of changes It overlap exists, the component must be versioned to its PROD state before being remediated and deployed, and then versioned back to its latest development state If overlap does not exist, the component may be remediated and deployed without any version changes
B) Team A must analyze their current codebase in OEV lo merge the hotfix changes into their latest enhancements. Team B is then requited to wait for the hotfix to follow regular deployment protocols from DEV to the PROO environment.
C) Team 8 must address changes in the TEST environment These changes can then be tested and deployed directly to PROD. Once the deployment is complete. Team B can then communicate their changes to Teams to ensure they are Incorporated as a part of the next release.
D) Team 8 must address the changes directly in PROD. As there is no hotfix stream, and OEV and TEST are being utilized for active development it is best to avoid a conflict of components. Once Team A has completed their enhancements work. Team 6 can update DEV and TEST accordingly.

3. You are running an inspection as a part of the first deployment process from TEST to PROD. You receive a notice that one of your objects will not deploy because it is dependent on an object from an application owned by a separate team.
What should be your next step?

A) Create your own object with the same code base, replace (he dependent object in the application. and deploy to PROO.
B) Check the dependencies of the necessary object Deploy w PROO if there are few dependencies and it is low risk
C) Push a functionally viable package to PROD without the dependencies, and plan the rest o! the deployment accordingly with the other team's constraints
D) Halt the production deployment and contact the other team tor guidance on promoting the object to PROD

4. Review the following resultof an explain statement:

Which two conclusions can you draw from this?

A) The join between the tables order_detail, order and customerneeds to be tine-tuned due to indices.
B) The worst join isthe one between the table order_detail and order.
C) The request is good enough to support a high volume of data. but could demonstrate some limitations if the developer queries information related to the product
D) The join between the tables 0rder_detail and productneeds to be fine-tuned due to Indices
E) The worst join is the one between the table order_detail and customer

Solutions: