C_HANADEV_18 Practice Test Questions Updated 95 Questions [Q51-Q72]

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June 14, 2024

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C_HANADEV_18 Practice Test Questions Updated 95 Questions

SAP C_HANADEV_18 Dumps – Secret To Pass in First Attempt

SAP C_HANADEV_18 Certification Exam covers a wide range of topics related to SAP HANA development, including data modeling, SQL scripting, database programming, and application development. C_HANADEV_18 exam is designed to test the knowledge and skills of developers who have experience working with SAP HANA and are looking to advance their careers.

SAP C_HANADEV_18 certification exam tests the candidate’s ability to develop and deploy SAP HANA applications using various development tools such as SAP HANA Studio, SAP Web IDE, and SAP HANA XS. C_HANADEV_18 exam also evaluates the candidate’s ability to use SQL scripting to perform advanced data modeling and data processing tasks. Candidates who pass the SAP C_HANADEV_18 certification exam are considered proficient in developing SAP HANA applications and are equipped to handle complex development tasks.

Q51. You implement an asynchronous Node.js service that sends requests to the database. How do you handle the database responses? There are 2 correct answers to this question.

Process the callback methods in the order in which the requests are sent by the service.

Call a method directly after every send request.

Process the callback methods in the order in which the requests are returned from the database.

Q52. Which SAP HANA extended application services, advanced model (XS advanced) tools can you use to retrieve the URL for the SAP WeblDE for SAP HANA?
There are 2 correct answers to this question.

Runtime tool

XS advanced Controller Start Screen

XS Advanced command-line client tool

Organization and Space Management tool

Q53. You created an HDI database role, using the SAP Web IDE for SAP HANA and deployed your project.
Afterward, you made some modifications to the runtime role.
What happens when you change and re-build the design-time role? Please choose the correct answer.

The runtime modifications are overwritten.

The deployment of the role fails.

The runtime modifications are kept.

You need to confirm the runtime modifications

Q54. You work on a multi-target application that uses the SAP HANA Deployment Infrastructure (HDI). Which operations can you perform in the SAP Web IDE for SAP HANA?
There are 2 correct answers to this question.

Create objects in the SAP HANA repository.

Deploy HTML5 modules to the SAP HANA database.

Choose the supported SAP HANA versions.

Configure the artifact namespaces.

Q55. How do you debug a Node.js module in SAP Web IDE for SAP HANA? Please choose the correct answer.

Set the enabled parameter to true in the section debugger of the xsengine.ini file.

Add the sap.hana .xs.debugger::Debugger role to the HDI Container’s #RT User.

Start the debugger from the XS command line interface and run the program in SAP Web IDE for SAP HANA.

Attach the debugger to the application in the SAP Web IDE for SAP HANA.

Q56. What are the issue categories that SQL Script Code Analyser scans for? There are 3 correct answers to this question.

Performance

Privileges

Security

Business logic

Consistency

The SQL Script Code Analyser is a tool that scans SQL Script code for potential issues and provides suggestions for improvement. The tool can be accessed from the SAP Web IDE for SAP HANA or from the SAP HANA database explorer. The tool scans for issues in the following categories:
* Performance: This category covers issues that may affect the execution time or resource consumption of the SQL Script code, such as inefficient joins, missing indexes, unnecessary data transfers, etc. The tool provides recommendations for optimizing the code, such as using parallel processing, avoiding nested loops, using table variables, etc.
* Security: This category covers issues that may expose the SQL Script code to security risks, such as SQL injection, privilege escalation, data leakage, etc. The tool provides recommendations for securing the code, such as using parameterized queries, escaping literals, applying proper authorization checks, etc.
* Consistency: This category covers issues that may affect the readability, maintainability, or portability of the SQL Script code, such as coding style, naming conventions, documentation, compatibility, etc.
* The tool provides recommendations for improving the code quality, such as using consistent indentation, avoiding hard-coded values, adding comments, following best practices, etc.
The other options are incorrect because privileges and business logic are not issue categories that the SQL Script Code Analyser scans for. Privileges are handled by the SAP HANA Deployment Infrastructure framework, which automatically grants the necessary privileges to the technical users and roles that access the HDI container objects. Business logic is the domain-specific logic that defines the functionality and behavior of the SQL Script code, and it is not within the scope of the tool to verify or validate it. References:
* SQL Script Code Analyzer – SAP Help Portal
* SQL Script Code Analyzer in SAP Web IDE for SAP HANA – SAP Help Portal
* SQL Script Code Analyzer in SAP HANA Database Explorer – SAP Help Portal
* HA150 – SAP HANA 2.0 SPS06 SQLScript for SAP HANA – SAP Training

Q57. You use APPLY_FILTER to add a dynamic WHERE clause on SELECT statements. On which objects can you apply the filter? There are 2 correct answers to this question.

Scalar variables

Virtual tables

Database tables

Intermediate table variables

Q58. In a calculation view, what are the different types of input mapping available in Table Function? There are 2 correct answers to this question.

Variable

Constant

Formula

Data Source Column

Q59. You define exception handling in a SQL Script procedure. What can you use declare exit handlers for? There are 2 correct answers to this question.

Generic SQL conditions

Generic SQL exceptions

Specific SQL error codes

Specific SQL conditions

Q60. Which of the following are characteristics of SAPUI5? There are 3 correct answers to this question.

Provides an extensibility concept

Enables responsive application design

Supports customer-specific theming

Renders the UI on the server side

Provides a device-specific user experience

SAPUI5 is a JavaScript-based UI framework that enables the development of web applications that run on various devices and platforms. SAPUI5 has the following characteristics12:
* Provides an extensibility concept: SAPUI5 allows developers to extend or customize the standard UI components, such as controls, views, or controllers, to meet specific requirements or scenarios. SAPUI5 also supports the creation of custom UI components, which are reusable and modular UI elements that can be integrated into other SAPUI5 applications.
* Enables responsive application design: SAPUI5 supports the development of responsive applications, which are applications that adapt to different screen sizes, orientations, and resolutions, and provide a consistent and optimal user experience across different devices. SAPUI5 provides various layout options, such as grids, panels, or flexboxes, to arrange the UI elements according to the available space.
SAPUI5 also provides various UI patterns, such as master-detail, split-screen, or full-screen, to organize the application content and navigation according to the device type.
* Supports customer-specific theming: SAPUI5 allows developers to apply different themes to the UI components, such as colors, fonts, icons, or backgrounds, to match the branding or style of the customer or the application. SAPUI5 provides a set of predefined themes, such as SAP Fiori, SAP Belize, or SAP Quartz, that follow the SAP design guidelines and principles. SAPUI5 also provides tools, such as the UI Theme Designer or the SAPUI5 Theme Builder, to create or modify custom themes.
The other options are not correct because they are not characteristics of SAPUI5. SAPUI5 does not render the UI on the server side, but rather on the client side, in the browser or the device that accesses the application.
SAPUI5 does not provide a device-specific user experience, but rather a device-agnostic user experience, which means that the application can run on any device and platform without requiring any changes or adaptations. References:
* SAP HANA Platform, Developing Applications with SAP HANA Cloud Platform, Developing Multi-Target Applications, Developing HTML5 Modules, Developing SAPUI5 Applications
* SAP HANA Platform, SAP HANA Extended Application Services, Advanced Model, Developing and Deploying Applications, Developing SAP Fiori Applications, Developing SAPUI5 Applications

Q61. What are some of the advantages of SQLScript compared to plain SQL queries? There are 2 correct answers to this question.

It enables modular parameterized programing.

lt increases performance by parallel execution of complex SQL statements.

It contains a well-defined ANSI standard.

It retrieves a high data volume from a database.

Q62. To perform a specific task of an XS advanced application, what does a user need? Please choose the correct answer.

To have directly assigned a Role Collection

To have directly assigned a Scope

To be assigned to an Organization

To be assigned to a Space

Q63. You configure an OData service for a transactional SAPUI5 application. What is the default data access behavior of the OData service? Please choose the correct answer.

Read: Yes Create: Yes Update: Yes Delete: Yes

Read: Yes Create: Yes Update: Yes Delete: No

Read: Yes, Create: No Update: Yes Delete: No

Read: Yes, Create: No Update: No Delete: No

Q64. You need to access a remote database table object within your HDB module in a Multi-target application project.
In SAP HANA extended application services, advanced model (XS advanced) a user-provided service was created to access the external schem a. The service is already declared in the Multi-target application project YAML file.
Which activities do you perform?

There are 3 correct answers to this question.

Create a view that refers to a synonym. n Create a synonym that refers to the view.

Create/update the .hdbgrants file providing authorizations for the remote schema.

Create a synonym for the remote table object.

Create a view that refers to the table.

Q65. What key words are contained in the application descriptor file (xs-app.json)? There are 2 correct answers to this question.

routes

role-templates

tenant-mode

authentication Method

The application descriptor file (xs-app.json) is a JSON file that defines the routing and authentication configuration for an HTML5 module in a multi-target application (MTA) project. It is located in the root folder of the HTML5 module and is used by the managed application router to dispatch requests to the appropriate destinations and to authenticate users. Some of the key words that are contained in the xs-app.json file are:
* routes: This is an array of objects that specify the rules for forwarding requests to the back-end microservices or destinations. Each route object has a source property that defines a regular expression to match the request path, and a destination property that defines the name of the destination to which the request should be forwarded. Optionally, a route object can also have other properties, such as authentication, csrfProtection, service, or scope, to further configure the routing behavior.
* authenticationMethod: This is a property that defines the authentication method to be used for the HTML5 module. It can have one of the following values: route, which means that the authentication method is defined by the route configuration; none, which means that no authentication is required; or approuter, which means that the authentication is delegated to the approuter service. The authenticationMethod property can be set at the global level for the entire HTML5 module, or at the route level for a specific route.
The following key words are not contained in the xs-app.json file, but in other files related to the MTA project:
* role-templates: This is an array of objects that define the roles and their corresponding scopes and attributes for the application. The role-templates are defined in the xs-security.json file, which is the application security descriptor file that specifies the security configuration for the application. The xs-security.json file is located in the root folder of the db module and is used by the User Account and Authentication (UAA) service to manage the authorization and trust management for the application.
* tenant-mode: This is a property that defines the tenant mode for the application. It can have one of the following values: dedicated, which means that the application runs in a dedicated schema for each tenant; shared, which means that the application runs in a shared schema for all tenants; or mixed, which means that the application runs in a mixed mode depending on the tenant context. The tenant-mode property is defined in the mta.yaml file, which is the deployment descriptor file that specifies the metadata and dependencies for the MTA project. The mta.yaml file is located in the root folder of the MTA project and is used by the Cloud Foundry environment to deploy the application.
References:
* [SAP HANA Deployment Infrastructure Reference], Chapter 5: HDI with XS Advanced, Section 5.1:
Developing with the SAP Web IDE for SAP HANA, Subsection 5.1.2: Configure Application Routing (xs-app.json), pp. 101-104.
* [SAP HANA Platform Documentation], SAP HANA Developer Guide for SAP HANA XS Advanced Model, Chapter 4: Developing HTML5 Applications, Section 4.1: Developing HTML5 Applications Using SAP Web IDE for SAP HANA, Subsection 4.1.3: Configure Application Routing (xs-app.json), pp. 77-80.

Q66. In which of the following objects can you use Commit and Rollback statements? Please choose the correct answer.

Scalar user-defined function

SQL Script procedure

Table user-defined function

Scripted calculation view

Q67. Which trace do you use to create a graphical representation of an individual SQL Statement? Please choose the correct answer.

Expensive statements trace

Performance trace

Plan trace

SQL trace

Q68. You create a multi-target application in SAP Web IDE for SAP HANA. Which source code management option do you use? Please choose the correct answer.

SVC-based repository

Git-based repository

SAP HANA repository workspace

SAP HANA repository

Q69. In a calculation view, what are the different types of input mapping available in Table Function? There are 2 correct answers to this question.

Variable

Constant

Formula

Data Source Column

Q70. You need to check user input data in your OData request. Which exit type do you use? Please choose the correct answer.

Consistency

Modification

Validation

Verification

Q71. In Node.js, which file do you use to define external module dependencies? Please choose the correct answer.

mta.yaml

pom.xml

package.json

server.js

Q72. You create a multi-target application in SAP Web IDE for SAP HANA. Which source code management option do you use? Please choose the correct answer.

SVC-based repository

Git-based repository

SAP HANA repository workspace

SAP HANA repository

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C_HANADEV_18 Practice Test Questions Updated 95 Questions [Q51-Q72]

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