問題1
In the following image of code, what is the purpose of using MODE_PRIVATE in the method getPreferences( )?
In the following image of code, what is the purpose of using MODE_PRIVATE in the method getPreferences( )?
正確答案: D
問題2
Your app receives location updates from NETWORK_PROVIDER or from GPS_PROVIDER. If your app receives location information from either of these location provider sources, you need to declare that the app uses these hardware features in your app manifest. Which of the following tags gives the location information to your app?
Your app receives location updates from NETWORK_PROVIDER or from GPS_PROVIDER. If your app receives location information from either of these location provider sources, you need to declare that the app uses these hardware features in your app manifest. Which of the following tags gives the location information to your app?
正確答案: C
問題3
Android SQLite database files are stored under the........................................ directory.
Android SQLite database files are stored under the........................................ directory.
正確答案: C
問題4
Assume that you have two apps signed with the same certificate and you want them to share access to each other's data. The manifest file in the first app is illustrated in the following image. It has shartedUserId
="com.sharedID.example" .
Which of the following choices is the value of the shartedUserId in the second app?
Assume that you have two apps signed with the same certificate and you want them to share access to each other's data. The manifest file in the first app is illustrated in the following image. It has shartedUserId
="com.sharedID.example" .
Which of the following choices is the value of the shartedUserId in the second app?
正確答案: D
問題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.
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.
正確答案: A