A financial services company is building a mobile app for customers to view account balances and make transactions. The company uses a legacy mainframe system for core banking and Salesforce for customer relationship management. The app must integrate with both systems securely. Which integration pattern should the architect recommend?

Use a point-to-point integration where the mobile app calls each system directly

Expose the mainframe and Salesforce APIs directly to the mobile app

Direct database access from the mobile app to the mainframe and Salesforce

Use an enterprise service bus (ESB) to mediate between the mobile app and backend systems

Which mobile UX design principle is most important for accommodating users with visual impairments?

Relying solely on color to convey status information

Providing sufficient color contrast and support for screen readers

Requiring precise touch gestures for all interactions

Using small font sizes to fit more content on screen

Why is versioning critical for mobile app deployment?

To track changes and ensure compatibility with backend APIs

To make the app available on all platforms

To increase the app's performance

Which mitigation strategy is most effective for protecting data on a lost or stolen mobile device?

Enforcing device encryption and remote wipe capabilities

Relying on the device's screen lock alone

Storing all data in the cloud with no local cache

Using a complex password for the app

A software company is releasing a mobile app that will be updated frequently with new features and bug fixes. The company wants to be able to roll out updates gradually to a subset of users and monitor the impact before full deployment. Which deployment strategy should the architect recommend?

Use a staged rollout where the app is released to a small percentage of users first

Release the app to all users at once through the app store

Use remote configuration to enable or disable features without updating the app

Use a beta testing program with a small group of users before the general release

SalesforceCertified Technical Architect

Domain 1Objective 4

Given a Scenario, Describe the Design Considerations, Trade-Offs, and Risks for Mobile Solutions and Recommend the Appropriate Mobile Platform. TECHNICAL-ARCHITECT Practice Questions (Page 3)

Part of the SYSTEM ARCHITECTURE domain, which makes up ~17% of our current practice bank.

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Questions 11–15

11application · medium
A financial services company is building a mobile app for customers to view account balances and make transactions. The company uses a legacy mainframe system for core banking and Salesforce for customer relationship management. The app must integrate with both systems securely. Which integration pattern should the architect recommend?
Select an answer first
12foundation · easy
Which mobile UX design principle is most important for accommodating users with visual impairments?
Select an answer first
13foundation · easy
Why is versioning critical for mobile app deployment?
Select an answer first
14foundation · easy
Which mitigation strategy is most effective for protecting data on a lost or stolen mobile device?
Select an answer first
15application · medium
A software company is releasing a mobile app that will be updated frequently with new features and bug fixes. The company wants to be able to roll out updates gradually to a subset of users and monitor the impact before full deployment. Which deployment strategy should the architect recommend?
Select an answer first

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