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APPIAN LEAD DEVELOPER EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS
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APPIAN LEAD DEVELOPER EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS
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APPIAN LEAD DEVELOPER EXAM 2024/2025WITH 100% ACCURATE SOLUTIONS
Successful first projects deliver results that are: - -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 - -ANSWER--1. extensive data ETL
2. complex data visualization across systems
3. complex data manipulation
4. backend process management
project factors - success factors - -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 - -ANSWER--Finding
opportunities to address business processes
If your project has large scope, best practice to use for a successful project? - -
ANSWER--Break up large scope to smaller projects
Integrations - HTTP status code types - -ANSWER--100 - informational
200 - success
300 - redirect
400 - client side error
500 - server side error
Integrations - HTTP status code 401 - -ANSWER--Unauthorized access
Integrations - HTTP status code 404 - -ANSWER--Not Found
,Integrations - Authentication - 2 ways to configure - -ANSWER--1. Connected Systems
2. Secure Credentials Store
Integrations - Authentication - where secure credentials store configured - -ANSWER--
Appian Admin Console
Integrations - Authentication - Expression Function - access secure credentials store - -
ANSWER--a!scsField
Integrations - node used to call integrations from process model - -ANSWER--call
integration
Integration - using in expression - -ANSWER--Using an expression only works for
querying data in an integration
Integration - query data - -ANSWER--Only works with expression
Integration - modifies data - -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 - -
ANSWER--1. OnSuccess
2. OnError
Integration - common methods of performing integration over HTTP - -ANSWER--1.
REST- "Call Integration"
2. SOAP(WSDL) - "Call webservice"
Three Anti Patterns to Avoid - -ANSWER--1. Custom Task Management
2. Custom User Interfaces (3rd party UX)
3. Avoid data only applications (extracting, transforming, loading)
Appian Task Plugins - -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 - -ANSWER--True
, Mitigation Strategies to reduce impact of data-only processes on performance for other
active users - -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
Record Centric Design - Steps - -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 - -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 - -ANSWER--Query breaks if data returned is >1MB or
takes >10 seconds
DB Design practices to follow - -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
- -ANSWER--@version and @column
What process related information stored in memory - -ANSWER--1. Process variables
2. Task properties
3. Process properties
4. Process history
Process Data management best practices - -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 - -ANSWER--true
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