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This section includes 62 Mcqs, each offering curated multiple-choice questions to sharpen your Javascript knowledge and support exam preparation. Choose a topic below to get started.
51. |
What will happen if you set the private flag as 1?? |
A. | Test will be run only by the administrator |
B. | Test will not be run |
C. | Test is public |
D. | Test is not displayed in public |
Answer» E. | |
52. |
Which is the function used to add the vectors?? |
A. | c() |
B. | add(vectors) |
C. | c(vectors) |
D. | vectors.add |
Answer» B. add(vectors) | |
53. |
Which of the following are methods used to save charts?? |
A. | pdf() |
B. | jpeg() |
C. | bmp() |
D. | all of the mentioned |
Answer» E. | |
54. |
What is the need for bubble charts?? |
A. | Represent 2D data |
B. | Represent 3D data |
C. | Represent 2D and 3D data |
D. | None of the mentioned |
Answer» C. Represent 2D and 3D data | |
55. |
What does the value 2 of the WebSocket attribute Socket.readyState indicate?? |
A. | Closed connection |
B. | Handshake connection |
C. | Unestablished connection |
D. | Established connection and communication is possible |
Answer» C. Unestablished connection | |
56. |
How can we check the subprotocol being used by the client? |
A. | subprotocol property |
B. | protocol property |
C. | clientprotocol property |
D. | none of the mentioned |
Answer» C. clientprotocol property | |
57. |
What is the usage of the keyword ? in R? |
A. | Help window |
B. | Extensive search |
C. | Error correction |
D. | Error detection |
Answer» B. Extensive search | |
58. |
What is the purpose of getting the parameter block? |
A. | Permission to block |
B. | Space separated block list |
C. | Comma separated block list |
D. | All of the mentioned |
Answer» D. All of the mentioned | |
59. |
What is the limit to matrices in R? |
A. | One dimensional |
B. | Two dimensional |
C. | Three dimensional |
D. | No limit |
Answer» C. Three dimensional | |
60. |
How many parameters does the method plot() accept? |
A. | 6 |
B. | 7 |
C. | 8 |
D. | 9 |
Answer» E. | |
61. |
What does the pushState() method do? |
A. | Removes the state |
B. | Adds new state |
C. | Replaces the state |
D. | None of the mentioned |
Answer» C. Replaces the state | |
62. |
Which type of comment is not supported in R? |
A. | Single-line comments |
B. | Multi-line comments |
C. | Both Single-line & Multi-line comments |
D. | Both Single-line & Multi-line comments |
Answer» C. Both Single-line & Multi-line comments | |