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Software Development Fundamentals

Question No: 21 – (Topic 1)

Which three items are benefits of encapsulation? (Choose three.)

  1. maintainability

  2. flexibility

  3. restricted access

  4. inheritance

  5. performance

Answer: A,B,C

Explanation: Encapsulation is the packing of data and functions into a single component. In programming languages, encapsulation is used to refer to one of two related but distinct notions, and sometimes to the combination thereof:

  • A language mechanism for restricting access to some of the object#39;s components.

  • A language construct that facilitates the bundling of data with the methods (or other functions) operating on that data.

  • Incorrect:

    not D: Encapsulation is one of the four fundamental OOP concepts. The other three are inheritance, polymorphism, and abstraction.

    Question No: 22 – (Topic 1)

    Which type of application has the following characteristics when it is installed?

    ->Runs continuously in the background by default when the startup type is set to automatic

    ->Presents no user interface

    1. Windows Service

    2. Windows Forms

    3. Console-based

    4. Batch file

    Answer: A

    Explanation: A Windows service runs in the background and has no interface.

    Question No: 23 – (Topic 1)

    You are creating an application for computers that run Windows XP or later. This

    application must run after the computer starts. The user must not be aware that the application is running.

    The application performs tasks that require permissions that the logged-in user does not have.

    Which type of application allows this behavior?

    1. Windows Service application

    2. Windows Forms application

    3. DOS batch file

    4. Terminate-and-stay-resident (TSR) program

    Answer: A

    Question No: 24 – (Topic 1)

    You execute the following code.

    Ensurepass 2018 PDF and VCE

    How many times will the word Hello be printed?

    1. 49

    2. 50

    3. 51

    D. 100

    Answer: B

    Explanation: The % operator computes the remainder after dividing its first operand by its second. All numeric types have predefined remainder operators.

    In this case the reminder will be nonzero 50 times (for i with values 1, 3, 5,..,99).

    Question No: 25 – (Topic 1)

    Which language allows you to dynamically create content on the client side?

    1. Extensible Markup Language (XML)

    2. Cascading Style Sheets (CSS)

    3. Hypertext Markup Language (HTML)

    4. JavaScript (JS)

    Answer: D

    Explanation: JavaScript (JS) is a dynamic computer programming language. It is most commonly used as part of web browsers, whose implementations allow client-side scripts to interact with the user, control the browser, communicate asynchronously, and alter the document content that is displayed.

    Question No: 26 – (Topic 1)

    A data warehouse database is designed to:

    1. Enable business decisions by collecting, consolidating, and organizing data.

    2. Support a large number of concurrent users.

    3. Support real-time business operations.

    4. Require validation of incoming data during real-time business transactions.

    Answer: A

    Question No: 27 – (Topic 1)

    In the life cycle of an ASP. NET Web page, which phase follows the SaveStateComplete phase?

    1. PostBack

    2. Postlnit

    3. Load

    4. Render

    Answer: D

    Explanation: The SaveStateComplete event is raised after the view state and control state of the page and controls on the page are saved to the persistence medium.

    This is the last event raised before the page is rendered to the requesting browser.

    Question No: 28 – (Topic 1)

    Where must Internet Information Services (IIS) be installed in order to run a deployed ASP. NET application?

    1. on the computer that you plan to deploy from

    2. on the computer that hosts the application

    3. on the Application Layer Gateway Service

    4. on the client computers

    Answer: B

    Explanation: IIS is run on the web server. The web server is hosting the application.

    Question No: 29 – (Topic 1)

    You are building a web application that enables international exchange students to schedule phone calls with their prospective schools.

    The application allows students to indicate a preferred date and time for phone calls. Students may indicate no preferred time by leaving the date and time field empty. The application must support multiple time zones.

    Which data type should you use to record the student#39;s preferred date and time?

    1. uLong?

    2. DateTime

    3. SByte

    4. DateTimeOffset?

    Answer: D

    Explanation: datetimeoffset: Defines a date that is combined with a time of a day that has time zone awareness and is based on a 24-hour clock.

    Incorrect:

    DateTime: Defines a date that is combined with a time of day with fractional seconds that is based on a 24-hour clock.

    sByte: The sbyte keyword indicates an integral type that stores values in the range of -128 to 127.

    Question No: 30 – (Topic 1)

    This question requires that you evaluate the underlined text to determine if it is correct.

    The Response.Redirect method is used to transfer processing of the current page to a new page, and then return processing back to the calling page once processing of the new page has completed.

    Select the correct answer if the underlined text does not make the statement correct. Select quot;No change is needed#39;#39; if the underlined text makes the statement correct.

    1. No change is needed

    2. Server.Transfer method

    3. Server.Execute method

    4. meta http-equiv=quot;refreshquot; tag

    Answer: C

    Explanation: The Execute method calls an .asp file, and processes it as if it were part of the calling ASP script. The Execute method is similar to a procedure call in many programming languages.

    Incorrect:

    • Response.Redirect Method

      The Redirect method causes the browser to redirect the client to a different URL.

    • The Server.Transfer method sends all of the information that has been assembled for processing by one .asp file to a second .asp file.

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