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質問 # 44
You create an Integration that modifies the data.
In which three locations can it be called? (Choose three.)
- A. Web API (GET)
- B. Expression or Rule
- C. Web API (POST, PUT, DELETE)
- D. SAIL saveinto parameter
- E. Process model
正解：C、D、E
解説：
Explanation
https://docs.appian.com/suite/help/22.4/Integration_Object.html#:~:text=Integrations%20that%20modify%20dat
質問 # 45
In Scrum, who is the right person responsible for prioritizing product backlog? (Choose the best answer.)
- A. Product Owner
- B. Tester
- C. Lead Developer
- D. Product Manager
正解：A
質問 # 46
An organization has decided to integrate with a third-party to scan incoming documents and capture the details in a table called [appian].[document]. Each document will form a new case in Appian to be displayed on a Record List.
The record needs to show data from both [appian].[document] and [appian].[caseData], which holds additional case information.
What is the most efficient way to achieve this?
- A. Create a stored procedure to query the data from both the [appian].[document] and [appian].[caseData] tables.
- B. Create a view between both the [appian].[document] and [appian].[caseData] tables to feed the record.
- C. Create a SSIS package to run at a regular interval.
- D. Create a trigger on the [appian].[document] table to copy all the data across to the [appian].[caseData] table and point the record at [appian].[caseData].
正解：B
解説：
Explanation
The most efficient way to achieve the integration between the third-party document scanner and the Appian record list is to create a view between both the [appian].[document] and [appian].[caseData] tables to feed the record. A view is a virtual table that is defined by a query and does not store any data. It can join, filter, aggregate, or transform data from one or more tables and present it in a desired format. A view can be used to simplify complex queries, provide security, or enhance performance. By creating a view, the record can show data from both tables without duplicating or copying any data. Therefore, the correct answer is C.
References:
* Relational Database Guidance
* Views
質問 # 47
Your table contains several indexes.
Which two statements regarding indexes are correct? (Choose two.)
- A. Indexes increase the performance of Write operations.
- B. Indexes decrease the performance of Write operations.
- C. Indexes increase the performance of Read operations.
- D. Indexes decrease he performance of Read operations.
正解：B、C
解説：
Explanation
An index is a data structure that allows for faster retrieval of data from a table based on one or more columns.
Indexes increase the performance of read operations, such as select queries, by reducing the number of records that need to be scanned. However, indexes decrease the performance of write operations, such as insert, update, and delete queries, by requiring additional work to maintain the index structure and ensure its consistency with the table data. Therefore, indexes should be used judiciously and only on columns that are frequently used in queries and have high selectivity (i.e., low number of duplicate values).
質問 # 48
You need to create a plug-in to perform a job in the background. The plug-in should not be available under an expression rule, connected system, or the process model.
What type of plug-in should you create? (Choose the best answer.)
- A. Smart service
- B. Connected systems
- C. Servlet
- D. Function
正解：C
質問 # 49
Which user role should be used to allow external systems to invoke Appian web APIs?
- A. Application User
- B. Designer
- C. Service Account
- D. System Administrator
正解：C
解説：
Explanation
The question is about allowing external systems to invoke Appian web APIs. A service account is the user role that should be used for this purpose, as it is a special type of basic user that can be configured to authenticate with web APIs using an API key. A service account can also be assigned to specific groups or roles to control the access to web APIs. The other options are not user roles, but rather groups or user types that are not suitable for this purpose. References:
* Service Accounts
* Web API Security
質問 # 50
You create an Integration that modifies the data.
In which three locations can it be called? (Choose three.)
- A. Web API (GET)
- B. SAIL save into parameter
- C. Expression or Rule
- D. Web API (POST, PUT, DELETE)
- E. Process model
正解：B、D、E
解説：
Explanation
An integration that modifies data can be called from three locations: web API (POST, PUT, DELETE), process model, and SAIL saveInto parameter. These locations allow for sending data to an external system or service and receiving a response.
* Web API (POST, PUT, DELETE) are HTTP methods that are typically used to create, update, or delete
* data on a server. An integration that modifies data can be exposed as a web API with one of these methods, allowing external applications or systems to invoke it through an HTTP request1.
* Process model is a graphical representation of a business workflow that consists of nodes and flows. An integration that modifies data can be called from a process model using either an integration node or a Call Integration smart service2. This allows for orchestrating complex workflows that involve data manipulation across different systems or sources.
* SAIL saveInto parameter is a property of a SAIL component that specifies an expression to be evaluated when the component is modified by the user3. An integration that modifies data can be called from an interface using the saveInto parameter of a SAIL component. This allows for triggering data changes based on user actions or events on the interface.
質問 # 51
More than one user is editing the same record in database.
With XSD, how do you avoid the collision of data from Application? (Choose the best answer.)
- A. @inheritance
- B. @OrderBy
- C. @Version
- D. @AssociationOverrides
正解：C
解説：
Explanation
The @Version annotation is used to avoid the collision of data from an application when more than one user is editing the same record in a database. The @Version annotation enables optimistic locking, which is a mechanism to detect and prevent concurrent updates on the same record. Optimistic locking assumes that multiple transactions can complete without affecting each other, and that therefore transactions do not need to lock data resources until they are ready to commit. However, if a transaction tries to commit changes to a record that has been modified by another transaction since it was last read, an OptimisticLockException is thrown and the transaction is rolled back. The @Version annotation can be applied to a field or property of a CDT that stores a numeric value. This value is used as a version number that is automatically incremented by Appian every time the record is updated. References: Does Appian support @Version JPA Annotation?, JPA
- Optimistic Locking and Use of @Version annotation
質問 # 52
You are facing issues when attempting to establish a SAML connection to an identity provider. You determine you need to increase the authentication-specific logging levels so that you can view trace level statements about the connection attempt in the application server log.
Which property file should you update to modify the log output level? (Choose the best answer.)
- A. logging.properties
- B. custom.properties
- C. commons-logging.properties
- D. appian_log4j.properties
正解：D
質問 # 53
HOTSPOT
A car insurance company wants to build an application that processes insurance claims. Appian will receive a claim in a JSON document and return a decision about whether the company should pay the claim.
Match each system requirement to the Appian object that could be used to implement the requirement. Each answer will be used once.
正解：
解説：
質問 # 54
You are reviewing a recent Health Check report and notice that a process model has high memory consumption.
What are three possible reasons for this? (Choose three.)
- A. Too many nodes
- B. Gateway nodes with multiple incoming flows
- C. Misconfigured error alerts
- D. Nested CDTs with large numbers of fields
- E. Too many process variables
正解：A、D、E
解説：
Explanation
Three possible reasons for high memory consumption of a process model are:
* Too many process variables. Process variables are used to store data that is needed throughout the process execution. However, having too many process variables can increase the memory usage of the process engine, especially if the variables store large or complex data types, such as documents or CDTs. It is recommended to use local variables whenever possible, and to delete or nullify process variables that are no longer needed.
* Nested CDTs with large numbers of fields. CDTs are custom data types that define the structure and validation of business data in Appian. CDTs can be nested within other CDTs to create complex data models. However, nesting CDTs with large numbers of fields can result in high memory consumption and performance degradation, as each field requires additional memory allocation and processing. It is recommended to limit the number of fields and nesting levels of CDTs, and to use references instead of embedding whenever possible.
* Too many nodes. Nodes are the graphical elements that represent the activities and events in a process model. Having too many nodes in a process model can increase the memory usage and complexity of the process execution. It can also make the process model harder to read and maintain. It is recommended to simplify the process model by using subprocesses, smart services, or expression rules to encapsulate common or reusable logic. References: Process Variables, Custom Data Types, Process Model Best Practices
質問 # 55
Users are reporting that their application is slow to load customer records with many transactions.
Using performance monitoring tools, you find that the following interface definition is responsible for the vast majority of page load time:
You also notice that both queries (rule!APP_GetTransactionsWithFilters and rule!APP_GetTransactionTypeWithFilters) take about 25 milliseconds each to execute when you test them using expression editor.
Which change would decrease the load time of this interface component the most? (Choose the best answer.)
- A. Don't fetch total count when getting transactions.
- B. Use a synced record for Transactions to improve the query response time for the query performed on line 6.
- C. On line 4, increase the paginginfo batch size to 50 so more data is prefetched.
- D. Prefetched transation types and use the displayvalue() function to display the Transaction Type for each transaction.
正解：D
解説：
Explanation
The load time of this interface component can be improved by reducing the number of queries performed and the amount of data transferred. One way to achieve this is to prefetch the transaction types and use the displayvalue() function to display the Transaction Type for each transaction. This way, only one query is performed to get the transactions, and the transaction types are retrieved from a local variable instead of a separate query. This reduces the network latency and the database load, which can improve the performance of the interface. Therefore, the best answer is D.
References:
* Prefetching Data
* displayvalue() Function
質問 # 56
You need to create and design an ERD that represents the client's bookstore inventory.
Match the entity descriptions to the most appropriate relationship. Each relationship type will be used once.
正解：
解説：
質問 # 57
What should you use to create a virtual relation in a database to query the data?
- A. Index
- B. Procedure
- C. View
- D. Function
正解：C
解説：
Explanation
The database object that should be used to create a virtual relation in a database to query the data is a view. A view is a searchable object that is defined by a query. It does not store any data but retrieves data from one or more tables at run time, creating a virtual table and returning the data in the defined format. It is created using joins, filters, aggregations, or other SQL operations. A view can be used to simplify complex queries, provide security, or enhance performance. Therefore, the correct answer is D.
References:
* Relational Database Guidance
* Views
質問 # 58
You need to create a service account for a consumer to access the Appian Web API.
Which user type should be created?
- A. Editor
- B. Basic User
- C. Initiator
- D. System Administrator
正解：B
質問 # 59
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