Application Development Questions

Q:

Spyware can result in all of the following except

A) Control over a device B) Tracking users
C) Gathering personal information D) Save duplicate files
 
Answer & Explanation Answer: D) Save duplicate files

Explanation:

Spyware is software that aims to gather information about a person or organization without their knowledge, that may send such information to another entity without the consumer's consent, or that asserts control over a device without the consumer's knowledge

 

Spyware is mostly used for the purposes of tracking and storing Internet users' movements on the Web and serving up pop-up ads to Internet users. Whenever spyware is used for malicious purposes, its presence is typically hidden from the user and can be difficult to detect. Some spyware, such as keyloggers, may be installed by the owner of a shared, corporate, or public computer intentionally in order to monitor users.

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Q:

What is the importance of having an emulator within the Android environment?

Answer

The emulator lets developers “play” around an interface that acts as if it were an actual mobile device. They can write and test codes, and even debug. Emulators are a safe place for testing codes especially if it is in the early design phase.

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Q:

Social engineering attacks are best identified by

A) Ransomware B) Phishing
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

Social engineering is the art of tricking users into performing certain harmful activities or attacks, users must be trained to identify social engineering. Social engineering attacks typically involve some form of psychological manipulation, fooling otherwise unsuspecting users or employees into handing over confidential or sensitive data. Commonly, social engineering involves email or other communication that invokes urgency, fear, or similar emotions in the victim, leading the victim to promptly reveal sensitive information, click a malicious link, or open a malicious file. Because social engineering involves a human element, preventing these attacks can be tricky for enterprises.

 

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1 5313
Q:

What items are important in every Android project?

Answer

 These are the essential items that are present each time an Android project is created:


- AndroidManifest.xml


- build.xml


- bin/


- src/


- res/


- assets/

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7 5254
Q:

What is the importance of XML-based layouts?

Answer

The use of XML-based layouts provides a consistent and somewhat standard means of setting GUI definition format. In common practice, layout details are placed in XML files while other items are placed in source files.

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2 4500
Q:

What is AIDL?What data types are supported by AIDL?

Answer

- AIDL is the abbreviation for Android Interface Definition Language. 


- It handles the interface requirements between a client and a service to communicate at the same level through interprocess communication. 


- The process involves breaking down objects into primitives that are Android understandable.


 


AIDL supports following data types:


- String


- List


- Map


- CharSequence


- All native Java data types like int,long, char and Boolean

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1 4479
Q:

The PHP Syntax is most similar to

A) Visual Basic B) VB Script
C) PERL & C D) Java Script
 
Answer & Explanation Answer: C) PERL & C

Explanation:

PHP is similar to the C style syntax in terms of keywords and language syntax.

 

If conditions, for and while loops, and function returns are similar in syntax to languages such as C, C++, C#, Java and Perl.

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1 3656
Q:

What are three ways to reduce page load time?

Answer

There are many answers here: Reduce image sizes, remove unnecessary widgets, HTTP compression, put CSS at the top and script references at the bottom or in external files, reduce lookups, minimize redirects, caching, etc.

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