Appian Lead Developer Exam Study Questions and Answers GRADED A

Appian Lead Developer Exam



Appian Lead Developer Exam Study Questions
and Answers 2024-2025 GRADED A
Successful first projects deliver results that are: -Correct Answer ✔Quick, short time-to-
impact reducing the likelihood of losing momentum
- measurable, giving leaders confidence to approve further projects
- contagious, with a compelling solution triggering rapid user adoption

project factors - project complications -Correct Answer ✔1. extensive data ETL
2. complex data visualization across systems
3. complex data manipulation
4. backend process management

project factors - success factors -Correct Answer ✔1. automate complex processes
2. access data from/send to legacy systems
3. create unified user experience across systems
4. deliver functionality rapidly
5. support business processes across the organization
6. enable target users access to multiple systems
7. integrate pre-built or custom built AI systems
8. engage or inform multiple stakeholders across workflows
9. perform mobile data entry

project factors - first step to selecting a successful project -Correct Answer ✔Finding
opportunities to address business processes

If your project has large scope, best practice to use for a successful project? -Correct
Answer ✔Break up large scope to smaller projects

Integrations - HTTP status code types -Correct Answer ✔100 - informational
200 - success
300 - redirect
400 - client side error
500 - server side error

Integrations - HTTP status code 401 -Correct Answer ✔Unauthorized access

Integrations - HTTP status code 404 -Correct Answer ✔Not Found

Integrations - Authentication - 2 ways to configure -Correct Answer ✔1. Connected
Systems
2. Secure Credentials Store




Appian Lead Developer Exam

,Appian Lead Developer Exam


Integrations - Authentication - where secure credentials store configured -Correct
Answer ✔Appian Admin Console

Integrations - Authentication - Expression Function - access secure credentials store -
Correct Answer ✔a!scsField
Integrations - node used to call integrations from process model -Correct Answer ✔call
integration

Integration - using in expression -Correct Answer ✔Using an expression only works for
querying data in an integration

Integration - query data -Correct Answer ✔Only works with expression

Integration - modifies data -Correct Answer ✔1. Works with "Call integration" smart
service in process model
2. Submit from interface

Integration - modifies data- additional params added to integration by default -Correct
Answer ✔1. OnSuccess
2. OnError

Integration - common methods of performing integration over HTTP -Correct Answer
✔1. REST- "Call Integration"
2. SOAP(WSDL) - "Call webservice"

Three Anti Patterns to Avoid -Correct Answer ✔1. Custom Task Management
2. Custom User Interfaces (3rd party UX)
3. Avoid data only applications (extracting, transforming, loading)

Appian Task Plugins -Correct Answer ✔1. Task Reassignments - allow users to
reassign multiple active tasks
2. Task Functions - allow devs to retrieve most task details and attributes by using a set
of functions with task ID as input
3. Task Management Smart Services - contains smart services to manipulating tasks in
process and custom functions for task metadata

Data - only processes can slow the system. Particularly if they are running during
business hours -Correct Answer ✔True

Mitigation Strategies to reduce impact of data-only processes on performance for other
active users -Correct Answer ✔1.Data Management (Delete process instance
immediately after process completed)
2. Make process variables "hidden" to limit data replication for reports
3. Avoid load bulk data to system during business hours
4. Do not store data to process variables


Appian Lead Developer Exam

, Appian Lead Developer Exam



Record Centric Design - Steps -Correct Answer ✔- Start with key building blocks of data
in a relational database
- Use an entity-backed record type that allows users to list, search, filter, and drill down
into data in that entity
- Attach an action to allow users to create new records
- Use related actions to enable record update and status changes
- Repeat this process for each key resource that needs to be managed

Query Anti Patterns to Avoid -Correct Answer ✔1. Should not keep "batchSize" as -1
(this will try to fetch all data
2. Unsorted query results (keep primary key as sort ID)
3. "ends with" filtering conditions
4. Using 50 or more operators using "in" operations, will result in very slow query

When Query will break with error -Correct Answer ✔Query breaks if data returned is
>1MB or takes >10 seconds

DB Design practices to follow -Correct Answer ✔1. Implement locking mechanism for
DB updated to avoid race conditions
2. Load test your applications with roughly three times anticipated first year's worth of
data
3. Avoid designing queries that are unbounded or slow

In addition to entity locks table to resist concurrent table update attempts, "optimistic
locking" can be used to prevent the writing of stale data. Using the following annotations
-Correct Answer ✔@version and @column

What process related information stored in memory -Correct Answer ✔1. Process
variables
2. Task properties
3. Process properties
4. Process history

Process Data management best practices -Correct Answer ✔1. Processes with task
data: 3 days
2. Processes that are automated/utility: delete after completion

Running the sub processes as "sub process" node will always run in the same process
execution engine -Correct Answer ✔true

Running the sub processes as "start process" node will always run in the same process
execution engine -Correct Answer ✔true




Appian Lead Developer Exam