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Grile Mob App Sec
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Questions in this quiz (39)
1How Android applications manage the connections between interface elements and
source code:- Ausing Layouts folder
- Busing R class;
- Cusing AppManifest.xml;
- Dusing Drawable folder;
2Which one is NOT a security best practice when implementing Windows 8 applications?
- Atrust remote data;
- Bdon’t let the web access WinRT;
- Cuse the file picker instead of library capabilities;
- Dminimize app capabilities;
3M-DRM -Mobile Digital Rights Management compliant with OMA - Open Mobile Alliance does NOT present the model:
- AWAP Push;
- BCombined Delivery;
- CForward Lock
- DSeparated Delivery;
4Taking into account that IMEI = International Mobile Station Equipment Identity;
IMSI = International Mobile Subscriber Identity; MSISDN = Mobile Subscriber Integrated Services Digital Network Number; SIM = Subscriber Identity Module; please select the correct answer:- Athe mobile phone has as unique ID - the IMEI, and the SIM has as unique ID- the MSISDN
- Bthe mobile phone has as unique ID - the IMEI, and the SIM has as unique ID- the IMSI
- Cthe mobile phone has as unique ID - the IMSI
- Dthe SIM has as unique ID - the IMEI
5What happens with the Java coding files in the development process of an Android application:
- Aare converted to Java byte-code at runtime;
- Bare converted to Dalvik byte-code at runtime;
- Care converted to Dalvik byte-code at build time;
- Dare converted to Java byte-code at build time;
6What permission must be defined in the AppManifest.xml file to allow Android applications to read SDcard:
- AWRITE_EXTERNAL_STORAGE;
- BACCESS_FINE_LOCATION;
- CREAD_CONTACTS;
- DREAD_FRAME_BUFFER;
7The migration from 2G to 3G technology involved changes in the following items within a mobile network operator for data communications:
- AOnly the mobile phone;
- BThe mobile phone, BTS -Base Transceiver Station/NODE B, BSC - Base Station Controller/RNC - Radio Network Controller;
- CThe mobile phone, BTS -Base Transceiver Station/NODE B, BSC - Base Station Controller/RNC - Radio Network Controller, SGSN - Serving GPRS Support Node;
- DThe mobile phone, BTS -Base Transceiver Station/NODE B, BSC - Base Station Controller/RNC - Radio Network Controller, SGSN - Serving GPRS Support Node, GGSN - Gateway GPRS Support Node where GPRS = General Packet Radio Service
8Which of the followings is NOT a design principle of Windows 8 applications?
- AApps do not put the customer in control;
- Bapps provide value to the customer;
- Capps behave predictably;
- Dapps are not appropriate for a local audience, but for a global one;
9For Blackberry devices a common development approach is:
- Ato develop using C# Common Language Runtime;
- Bto develop only JME -Java MicroEdition MIDlets;
- Cto combime development runtimes: Native(Qt/QML), JME - Proprietary JVM (CLDC, MIDlets, RIMIlets)+ HTML5
- Dto develop only in MDS - Mobile Data Service Runtime;
10Which are the main advantages of the fact that Android applications are running in a custom clean-room implementation of a virtual machine:
- Aapplication portability, application reliability, optimized file format
- Bapplication portability, optimized file format, runtime consistency;
- Capplication portability, application reliability, runtime consistency;
- Doptimized file format, application reliability, runtime consistency
11In the following JME source code please choose the correct answer:
- Athe application is not a MIDlet
- Bthe constructor HelloWorldApp is called when the application is closing;
- Cthe constructor HelloWorldApp is called when the application is starting;
- Dthe field mMainForm represents the application Context;
12The correct answer in terms of GSM security for SRES - Signed Response is :
- AThe SRES is obtained using A8 algorithm and initial key Ki, by signing the random number RAND generated by the NSS - Network SubSystem;
- BThe SRES is obtained using A algorithm and initial key Ki, by signing the random number RAND generated by the NSS - Network SubSystem;
- CThe SRES is obtained using A5 and A8 algorithm and initial key Ki, by signing the random number RAND generated by the NSS - Network SubSystem;
- DThe SRES is obtained using A3 algorithm and initial key Ki, by signing the random number RAND generated by the NSS - Network SubSystem;
13In the manifest fie for a Windows 8 application, the developer does NOT need to declare
- ATitle customization;
- Bapplication identity
- COS specific dependencies
- DApplication architecture
14JTWI - Java Technlogy for Wireless Industry umbrella contains (JCP - Java Community Process, JSR - Java Specification Req):
- AJSR 30 & JSR 139 ( CLDC - Conected Limited Device Configuration) + JSR 37 &118( MIDP- Mobile Information Device Profile) + JSR 120( Wireless Messaging) + JSR 135 (Mobile Media API) + JSR 829 (Bluetooth &OBEX);
- BJSR 30 & JSR 139 (CLDC - Conected Limited Device Configuration) + JSR 37 &118(MIDP- Mobile Information Device Profile) + JSR 120(Wireless Messaging) + JSR 135 (Mobile Media API);
- CJSR 30 & JSR 139 ( CLDC - Conected Limited Device Configuration) + JSR 37 &118( MIDP- Mobile Information Device Profile) + JSR 120( Wireless Messaging) + JSR 135 (Mobile Media API) + JSR 829 (Bluetooth &OBEX) + JSR 229 (Paymeny)
- DJSR 30 & JSR 139 ( CLDC - Conected Limited Device Configuration) + JSR 37 &118( MIDP- Mobile Information Device Profile) + JSR 120( Wireless Messaging) + JSR 135 (Mobile Media API) + JSR 829 (Bluetooth &OBEX) + JSR 172 (Web Services);
15The correct answer in terms of GSM security is:
- AThe mobile phone encrypts/decrypts the voice communications between the device and BSS – Base Station Subsystem using A5 algorithm
- BThe mobile phone is authenticating to the mobile network operator using A5 algorithm
- CThe SIM is authenticating to the mobile network operator using A5 algorithm
- DThe mobile phone is authenticating to the mobile network operator using A8 algorithm
16Which of the following services is used to ensure local data persistency:
- AContent Manager;
- BMySQL Service;
- COracle Intermedia;
- DSQL Lite;
17Please specify what answer is NOT a mobile operating system for the smartphones
- ABlackberry OS;
- BGoogle Android
- CApple iOS;
- DJME - Java Micro Edition;
18Which of the following is a characteristic of ART (Android RunTime) ?
- ACompilation before execution;
- BExecutable binary code is not compatible with Java SE;
- CEach application runs in a separate process;
- DJIT compilation;
19Which of the following methods you should call to send an email from an Android application?
- AsetData() from Intent class;
- BsendMessage() from SmsManager class
- CgetDefault() from SmsManager class;
- DgetExtra() from Intent class;
20Which is NOT a valid stage in a mobile device digital content transaction:
- Ainitiates the process;
- Bdownload the Rights Object (RO)
- Cextracts the Content Encryption Key (CEK)
- Dsend the Content Encryption Key to the player
- Econtracts the Rights Issuer (RI)
21On which thread does the doInBackground() method, of a class which extends AsyncTask, runs ?
- AUI Thread
- BMain Thread
- CBackground Thread
- DNone of the answers
22Which of the following feature is specific to the Android Studio and NOT found in Eclipse ADT?
- AGraphical layout editor;
- BAPK signing and keystore management;
- CBuild variants and multiple-APK generation;
- DNDK support;
23Which of the following is NOT an Activity life cycle method?
- AonCreate;
- BonRun;
- ConStart;
- DonPause;
24Android is built on which of the following kernels:
- AWindows NT;
- BLinux;
- CApple OS;
- DMS-DOS;
25Which of the following is a multichoice control?
- ASpinner;
- BAutoCompleteTextView;
- CRadioButton;
- DCheckBox;
26Which is part of the Android Security Model?
- ASandbox architecture, cryptography algorithms;
- BFile permissions, sandbox architecture;
- CCryptography algorithms, data access restrictions;
- DSandbox architecture, permission mechanisms;
27Which of the following tools is responsible with compilation of resources, generation of R.java file and APK files?
- Aadb;
- Bdx;
- Cddms;
- Daapt;
28Which lifecycle methods get called when an app is pushed in the background?
- AonPause and onDestroy;
- BonPause and onStop;
- ConStop and onDestroy;
- DonPause and onFinish;
29The AoT component compared to JiT outputs:
- AAoT outputs dex files, JiT outpus odex files;
- BAoT outputs elf files, JiT outputs dex files;
- CAoT outputs dex files, JiT outputs elf files;
- DAoT outputs elf files, JiT outputs odex files;
30What is the base class that contains methods for creating the database and the tables?
- ASQLiteHelper;
- BSQLiteOpenHelper;
- CSQLiteManager;
- DSQLiteManagerHelper;
31What are the stages of an app from coding to execution?
- ASource code -> dalvik executable code -> binary code
- BSource code -> android runtime code -> dex files -> apk files
- CSource code -> binary code (dex) -> apk files
- DSource code -> android runtime code -> binary code
32Which build system does Android Studio uses?
- AGradle
- BMaven
- CAnt
- DNone of the answers
33The encrypted filesystem of Android has the following role:
- ATo restrict access to system features and user data;
- BTo protect data on lost or stolen devices;
- CTo control application data on a per-app basis;
- DTo isolate your app data and code execution from other apps;
34Which of the following is NOT a core security feature of Android that help you build secure apps?
- AThe Android Application Sandbox;
- BAn encrypted filesystem;
- CUser-granted permissions;
- DA handy way to show users alerts;
35Which of the following is NOT a basic component of Android applications?
- AActivities;
- BServices;
- CMessages;
- DContent receivers;
36What is an Android daemon?
- AAn Android process running in the background, like a service;
- BAn Android application that manages the telephony;
- CA thread used for background processing;
- DA special program that launches all the Android processes;
37Which class do you use to show NOT persistent users alerts?
- ANotificationManager;
- BToast;
- CLog;
- DNotification;
38Which of the following tools is responsible with conversion of Java binary code to Dalvik binary code?
- Aadb;
- Bdx;
- Cddms;
- Daapt;
39Which is NOT a function of a Mobile Operating System?
- AManages hardware and software resources;
- BChecks the I/O gates;
- CFile management;
- DManages the user interfaces;
- EControls when applications close
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- Quiz on Grile Mob App Sec, created by AAAf Addd on 26/01/2022.
- Author
- AAAf Addd
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- Español
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