OpenSocial MCQs (Chapterwise Multiple Choice Questions)

Some of the classes and methods in the 'gadget.*' namespace are feature-specific. In which of the following tags must the'' element be included in order to use them?

Content>

Module>

![CDATA[]]>

ModulePrefs>

Answer & Explanation

Correct Answer: ModulePrefs>

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In the process of integrating OpenSocial API with Google App Engine, you do not need to maintain any servers.

True

False

Answer & Explanation

Correct Answer: True

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You have made a function named 'getfriends()', which will get the list of friends once the OpenSocial API is loaded. Which of the following event handler will call this function after the API has been loaded?

gadgets.util.registerOnLoadHandler(getfriends);

gadgets.io.makeRequest.getfriends();

gadgets.util.registerOnLoadHandler.getfriends();

gadgets.io.makeRequest(getfriends);

Answer & Explanation

Correct Answer: gadgets.util.registerOnLoadHandler(getfriends);

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Which of the following are the supported keys for the Person.getField() method.?

ABOUT_ME

NICKNAME

LIKES

TURN_OFFS

Answer & Explanation

Correct Answer: TURN_OFFS

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What will happen if "&bpc=1" is appended to an orkut application canvas page url as querystring?

It will retain the cache of the page

It will load a fresh copy of the page

It will create cookies for the specific page

It will create language specific views for the page

Answer & Explanation

Correct Answer: It will load a fresh copy of the page

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Which of the following 'DataRequest' methods will be used in order to read, write and clear data from Persistence API?

newFetchPersonRequest(idSpec, opt_params)

newFetchPersonAppDataRequest(idSpec, keys)

newFetchPeopleRequest(idSpec, opt_params)

newUpdatePersonAppDataRequest(id, key, value)

Answer & Explanation

Correct Answer: newUpdatePersonAppDataRequest(id, key, value)

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Which of the following methods are defined under "OpenSocial.Permission" namespace?

OpenSocial.hasPermission()

OpenSocial.Permission.VIEWER

OpenSocial.requestPermission()

OpenSocial.getPermission()

Answer & Explanation

Correct Answer: OpenSocial.requestPermission()

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Consider the following code for OpenSocial application (v0.7) for Orkut? http://sandbox.orkut.com/Application.aspx?appId=xxxxxxxxxxxx&appParams=%7B%20%22hello%22%20%3A%20%22hi%22%20%7D If the above mentioned url is passed and processed by the following code, what will be the value of "getOutput"? var querydata = gadgets.views.getParams(); var getOutput = querydata["hello"];

hello

hi

hello and hi

hi and hello

It will produce an empty string

Answer & Explanation

Correct Answer: hi

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In OpenSocial API, "OpenSocial.IdSpec.Field" namespace is used _____.

to get the groupid of the user

to get the titleid of the message in message template

to get the userid of the user

to get the network distance between two users

Answer & Explanation

Correct Answer: to get the network distance between two users

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You can not send mails to friends by using OpenSocial (v0.7) for Orkut application?

True

False

Answer & Explanation

Correct Answer: False

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OpenSocial Quick Quiz

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Start Practicing with our MCQs given below.