MCQs > IT & Programming > Skype Development MCQs > Basic Skype Development MCQs

Basic Skype Development MCQ

1. What causes the API call given below to return ERROR 563?

SEARCH GROUPS [{ ALL | CUSTOM | HARDWIRED }]?


Answer

Correct Answer: Invalid group object

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2. What type of target parameter type is used by the Skype "CALL" API if you initiate a call using a phone number?


Answer

Correct Answer: PSTN

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3. What happens if you type the following command in a textbox in a chat session:

/alertson yourname


Answer

Correct Answer: You get an alert whenever someone mentions yourname.

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4. You are going to set a chat message using an API call as follows:
SET CHATMESSAGE <id> SEEN

You receive the error:
ERROR 18 SET: invalid WHAT

What can the possible cause for the error be?


Answer

Correct Answer: The CHATMESSAGE command is missing or misspelled.

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5. What is the role of an HTML OBJECT tag with respect to Skype?


Answer

Correct Answer: It is used to add Skype4COM controls to a web page.

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6. Which of the following are mandatory fields of the Skype search listing API?


Answer

Correct Answer: limit

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7. What is the error if the Skype API throws error code 2?


Answer

Correct Answer: Unknown command

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8. Which of the following parameters of the _ICallChannelManagerEvents Interface contains the interface pointer for the CallChannelCollection object?


Answer

Correct Answer: pChannels

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9. What is the possible status if the BUDDYSTATUS property of a USER object has a value of 3?


Answer

Correct Answer: Added to contact list

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10. What happens if the language suffix specified by you in an HTTP request is NOT supported by SkypeWeb?


Answer

Correct Answer: The server responds with Unknown message.

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11. What will a PING API call return if the connection between your application and Skype is still alive?


Answer

Correct Answer: PONG

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12. What happens when a call is forwarded to multiple numbers by a CALL_FORWARD_RULES API call?


Answer

Correct Answer: The first to pick up the call takes it.

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13. What function does the following command perform?

\fn HRESULT ISkype::ApiSecurityContextEnabled([in] TApiSecurityContext Context, [out, retval] VARIANT_BOOL* pVal)


Answer

Correct Answer: This command queries if an API security context is enabled.

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14. Is the Skype username case sensitive?


Answer

Correct Answer: Yes

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15. Which of the following types of chat member roles CANNOT post chat messages in the chat?


Answer

Correct Answer: LISTENER

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16. What happens when the following API call is executed and the folder parameter is left blank?

OPEN FILETRANSFER <username>[, <username>]*[ IN <folder>]


Answer

Correct Answer: The file transfer window opens in the default directory.

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17. Which parameter is returned by the VIDEO_SEND_STATUS API call if the video is sending but is not yet running at full speed?


Answer

Correct Answer: STARTING

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18. What is the maximum character length of a caption in a custom menu item in Skype?


Answer

Correct Answer: 32

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19. What is the default sort order for the order-by field of the Skype search listing API?


Answer

Correct Answer: relevance

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20. Which property of the ApplicationStream class returns the name of an application stream?


Answer

Correct Answer: Handle

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21. Which of the following types of APIs are allowed in Internet Explorer Local Intranet security zone for Skype4COM?


Answer

Correct Answer: Voice API

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22. If you do NOT want Skype to display a splash screen on start-up, what should the value of the Nosplash parameter of the Client class in the IClient Interface be?


Answer

Correct Answer: True

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23. Which of the following are input parameters of the Place Call public member function of the is skype Interface?


Answer

Correct Answer: Target

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24. Which of the following are NOT parameters of  the LoadAvatarFromFile public member function of the ISettings Interface?


Answer

Correct Answer: newVal

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25. What status code is returned in response to a DNS request if the user has been away?


Answer

Correct Answer: 3

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26. What is the reason when the FAILUREREASON property of the FILETRANSFER object has a value of FAILED_WRITE?


Answer

Correct Answer: Write error on local machine

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27. Which of the following TApiSecurityContext parameters relates to the user profile and Skype-related commands and events?


Answer

Correct Answer: TApiSecurityContext::apiContextAccount

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28. Is it possible to join the chat again after being kicked from a Skype chat?


Answer

Correct Answer: Yes

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29. What is the maximum value for the limit field in the Skype search listing API?


Answer

Correct Answer: 1000

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30. What would the following statement be used for?

Set oHandle = oCall.PartnerHandle


Answer

Correct Answer: To retrieve the Skypename of a remote caller.

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31. By default, for how many seconds does a forwarded call ring before timing out?


Answer

Correct Answer: 15

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32. Which of the following properties of the IPluginMenuItem Interface contains the name of a plug-in menu item?


Answer

Correct Answer: Caption

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33. Suppose you are using Skype in Windows. You get an error message that your webcam is in use by another application, even though it is not in use anymore. What is the solution to the problem?


Answer

Correct Answer: Ignore the message.

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34. In which of the following Internet Explorer security zones does a prompt appear for the Account API for Skype4COM?


Answer

Correct Answer: Local Intranet

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35. Which of the following types of parameter is not valid for GET CONNSTATUS API call?


Answer

Correct Answer: AWAY

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36. What should you use in place of the special character @ (at) in a Skype DNS request?


Answer

Correct Answer: -40

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37. Which is the proper way to list Skype call participants?

Answer

Correct Answer: John;Cindy;Aaron;Jeff

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38. Which of the following is an additional function included with the Skype.ui JavaScript function?

Answer

Correct Answer: Point size.

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39. What is the ALTER CALL command responsible for?

Answer

Correct Answer: Controlling call status.

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40. If you were to get the user status, DND, what would that mean?

Answer

Correct Answer: The user is in “Do Not Disturb” mode.

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41. One way to transfer a file while using Skype messaging is to:

Answer

Correct Answer: Right click on contact, select Send File

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42. What command is used to alter a read-write property?

Answer

Correct Answer: SET

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43. When modifying object properties, what three parameters are available for use?

Answer

Correct Answer: Get, set, alter.

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44. How do you search for an SMS message?

Answer

Correct Answer: SEARCH SMSS

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45. What would a div tag be used to indicate on your web page?

Answer

Correct Answer: The location of your Skype URI.

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46. What call status value would indicate that a call recipient is busy?

Answer

Correct Answer: EARLYMEDIA

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47. How do you create an SMS object?

Answer

Correct Answer: CREATE SMS

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48. What call object property tells you the time of the call?

Answer

Correct Answer: TIMESTAMP

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49. True or false? The element line in a Skype URI link is always required.

Answer

Correct Answer: True

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50. How do you embed Skype URIs into emails?

Answer

Correct Answer: They must be inserted explicitly as a hyperlink.

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51. Which of the following is a Skype-supported URI?

Answer

Correct Answer: Focus.

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52. What command terminates a call?

Answer

Correct Answer: SET CALL FINISHED

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53. How do you change the text of an SMS message?

Answer

Correct Answer: SET SMS BODY

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54. What is the default value of listParticipants?

Answer

Correct Answer: "false"

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55. When entering white space, what happens if the argument is not joined by a percent sign?

Answer

Correct Answer: Only the first part of the argument is interpreted.

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56. How does one register a new item with Skype?

Answer

Correct Answer: AP2AP CREATE

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57. How will you know that your Skype client is installed?

Answer

Correct Answer: Windows 8 will detect any affiliation with Skype.

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58. How do you instant message other Skype members?

Answer

Correct Answer: Double-click on contact's name, type message and send

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59. What will the focus URI do if the Skype client is not running?

Answer

Correct Answer: It will start the Skype client and switch focus to the main Skype window

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60. What object property would reveal a user's country code?

Answer

Correct Answer: IPCOUNTRY

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61. Are most user properties set as read-only?

Answer

Correct Answer: Yes.

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62. How can you transfer a file using Skype?

Answer

Correct Answer: During a conversation, click the share button in the top right of the screen, and select Send Files.

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63. What method do you use to see if the Skype client is installed on the device?

Answer

Correct Answer: PackageManager.getPackageInfo

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64. What is an example of proper use of the document.location value?

Answer

Correct Answer: document.location = "skype:echo123?call";

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65. Sending SMS text messages requires:

Answer

Correct Answer: Purchasing Skype credit or a Skype Premium account

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66. How do you call an ordinary phone line or cell phone from Skype?

Answer

Correct Answer: Click Call Phones, dial number

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67. How would a list of participants be formatted after a generated link?

Answer

Correct Answer: A comma-separated list.

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68. What happens if you try to video chat when either or both parties' internet connection does not meet the minimum bandwidth requirements?

Answer

Correct Answer: The call will be interrupted with a message saying, "Video not available."

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69. The FULLNAME property belongs to which object?

Answer

Correct Answer: PROFILE object.

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70. What is the maximum number of users allowed on a group call?

Answer

Correct Answer: 10

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71. What is the client-to-Skype communication path used by D-BUS?

Answer

Correct Answer: /com/Skype.

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72. When using Skype URIs in Android apps, what component class name is used?

Answer

Correct Answer: com.skype.raider.Main

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73. What command would one use to create a custom menu?

Answer

Correct Answer: CREATE MENU_ITEM

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74. If you are embedding a Skype button on a page that uses SSL, how can you avoid the browser warning message about potentially insecure content?

Answer

Correct Answer: Change http to https

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75. Why would an email client render a URI link as a plain text link?

Answer

Correct Answer: The client does not recognize the Skype schema.

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76. How many Skype accounts are you able to create?

Answer

Correct Answer: As many as you want, provided the username is available.

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77. How would you write the conference topic argument, "My Conference Call"

Answer

Correct Answer: My%20Conference%20Call

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78. How can you sign-in to use Skype's communication services?

Answer

Correct Answer: Double-click on Skype icon, enter user name and password

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79. How do get the current user's username?

Answer

Correct Answer: GET CURRENTUSERHANDLE

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80. What two ways can Skype URIs be used in web pages?

Answer

Correct Answer: Skype buttons and the Skype.ui generator function.

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81. Which of the following is an example of the correct usage of openURL?

Answer

Correct Answer: canOpenURL:[NSURL URLWithString:@"skype:"]];

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82. One thing you can't do with Skype is:

Answer

Correct Answer: Make emergency calls

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83. Are Skype Calls encrypted?

Answer

Correct Answer: Yes, with a unique encryption key for every conversation.

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84. When using Skype URIs in Android apps, what component package name is used?

Answer

Correct Answer: com.skype.raider

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85. If you wanted to see property values for a specific message, what command would you use?

Answer

Correct Answer: GET CHATMESSAGE

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86. Which would you use to embed a Skype URI link on your webpage?

Answer

Correct Answer: Skype.ui

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