Which technology is commonly used for a mobile app to communicate with a backend server?

Bluetooth pairing with the server

SQL queries over a direct database connection

A mobile app for a video streaming service needs to provide a smooth playback experience on a variety of devices, including those with limited processing power and network bandwidth. Which architectural approach is most effective?

Use a single high-resolution stream for all users

Use a peer-to-peer network to distribute the video

Use adaptive bitrate streaming (ABR) that adjusts quality based on network and device capabilities

Use a fixed bitrate for all users

A mobile app for a navigation service needs to provide turn-by-turn directions. The app must work in areas with no network coverage. Which architectural approach is most appropriate for handling this constraint?

Use a thin client that relies on server-side route computation

Stream map tiles from the server in real-time

Download map data for offline use and compute routes locally

Use a hybrid app that caches the entire map in memory

A mobile app for a healthcare provider needs to send patient data to a backend server. The data is sensitive and must be protected in transit. The app also needs to authenticate the server to prevent man-in-the-middle attacks. Which combination of measures is most appropriate?

Use a VPN for all communication

Use HTTP with a custom encryption algorithm

Use HTTPS with certificate pinning

Use HTTPS without certificate pinning

A mobile app for a retail store allows customers to browse products and add items to a cart. The app must work offline, and the cart must sync with the server when the device is back online. Which synchronization approach is most suitable?

Last-write-wins (LWW) with server timestamp

Conflict-free replicated data type (CRDT) for the cart

Full database replication from server to device

Certified Tester Mobile Application Testing

Domain 1Objective 5

Mobile Application Architecture CT-MAT Practice Questions (Page 2)

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 6–10

6foundation · easy
Which technology is commonly used for a mobile app to communicate with a backend server?
Select an answer first
7expert · hard
A mobile app for a video streaming service needs to provide a smooth playback experience on a variety of devices, including those with limited processing power and network bandwidth. Which architectural approach is most effective?
Select an answer first
8application · medium
A mobile app for a navigation service needs to provide turn-by-turn directions. The app must work in areas with no network coverage. Which architectural approach is most appropriate for handling this constraint?
Select an answer first
9expert · hard
A mobile app for a healthcare provider needs to send patient data to a backend server. The data is sensitive and must be protected in transit. The app also needs to authenticate the server to prevent man-in-the-middle attacks. Which combination of measures is most appropriate?
Select an answer first
10application · medium
A mobile app for a retail store allows customers to browse products and add items to a cart. The app must work offline, and the cart must sync with the server when the device is back online. Which synchronization approach is most suitable?
Select an answer first

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