ANDROID AND 802
Q: 1
It is not necessary that every application installed on an Android device be signed by the developer
before being published.
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Q: 2
Permission is the right given to an application by Android to allow access to restricted system API
(Application Programming Interface) such as Camera, Bluetooth, GPS, etc…
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Q: 3
The Logcat window in Android Studio displays system messages, such as when a garbage collection
occurs, and messages that you added to your app with the Log class. It displays messages in real time
and keeps a history so that you can view older messages.
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Q: 4
getExternalFilesDir( ) method is used to get the directory of the external storage.
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Q: 5
A digital certificate is an electronic “passport” that allows a person, computer or organization to
exchange information securely over the Internet using the public key infrastructure (PKI).The
message is encrypted with the Private key, and can only be decrypted with the Public key.
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Q: 6
Which of the following choices is one of the different levels of permission protection? (Select four)
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Q: 7
Permissions required for an application to perform its operations are called application level
permissions. Which are the types of application level permissions a developer can use? (Select two)
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Q: 8
Android stores cache files in the filesystem and sandboxes along with the application. Cache files are
created under directory ……………………………………..
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Q: 9
What is the message "File Written to external memory" which appeared when the app user clicks
"Save" button in the following image?
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Q: 10
Android uses “Intents” to communicate and send data between different components which make it
vulnerable to malicious attacks. Which of the following choices are component-level Permissions to
protect this type of communication? (Select Four)
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Question 1 of 10
