A mobile app for a collaborative document editing service needs to allow multiple users to edit the same document, including offline. The app must ensure that changes are not lost and that conflicts are resolved automatically. Which synchronization strategy is most appropriate?

Use a last-write-wins (LWW) strategy with server timestamps

Use a manual merge tool for users to resolve conflicts

Use a server-side lock to prevent concurrent edits

Use a conflict-free replicated data type (CRDT) for the document

A mobile app for a social media platform needs to display a feed of posts with images and videos. The app is used on a variety of devices, including low-end models. Which architectural consideration is most important for the presentation layer?

Use a single activity that hosts all UI components

Use a web view to render the feed

Load all images and videos in high resolution

Use a view recycling mechanism to reuse off-screen views

Which security measure is essential for protecting data transmitted between a mobile app and its backend server?

Using HTTP for faster communication

Using HTTPS/TLS for all network communication

Compressing data before sending

A mobile app for a logistics company tracks delivery status. Drivers often work in areas with intermittent connectivity. The app must allow drivers to update delivery statuses even when offline, and these updates must eventually reach the central server. Which synchronization strategy is most appropriate?

Manual synchronization triggered by the user

Full data replication to the device

Background synchronization with a local queue

In a client-server architecture for mobile apps, what is the typical role of the mobile app?

Database that stores all application data

Server that processes requests from other clients

Client that sends requests and displays responses from the server

Network router that routes traffic between devices

Certified Tester Mobile Application Testing

Domain 1Objective 5

Mobile Application Architecture CT-MAT Practice Questions (Page 5)

Part of the Mobile World - Business and Technology Drivers domain, which makes up ~40% of our current practice bank. ISTQB does not publish an official question count, but from its 60-minute exam (~25–40 total, ~10–16 in this domain), expect 1–2 from this objective — we provide 26 practice questions to prepare you well beyond it. (estimate)

26questions here

6free pages

5concepts

Questions 21–25

21expert · hard
A mobile app for a collaborative document editing service needs to allow multiple users to edit the same document, including offline. The app must ensure that changes are not lost and that conflicts are resolved automatically. Which synchronization strategy is most appropriate?
Select an answer first
22application · medium
A mobile app for a social media platform needs to display a feed of posts with images and videos. The app is used on a variety of devices, including low-end models. Which architectural consideration is most important for the presentation layer?
Select an answer first
23foundation · easy
Which security measure is essential for protecting data transmitted between a mobile app and its backend server?
Select an answer first
24application · medium
A mobile app for a logistics company tracks delivery status. Drivers often work in areas with intermittent connectivity. The app must allow drivers to update delivery statuses even when offline, and these updates must eventually reach the central server. Which synchronization strategy is most appropriate?
Select an answer first
25foundation · easy
In a client-server architecture for mobile apps, what is the typical role of the mobile app?
Select an answer first

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