HTML5 Geolocation - MCQs

HTML5 Geolocation - MCQs

1) From the following which methods are provided by geolocation?

A) getCurrentPosition()
B) watchPosition()
C) clearWatch()
D) All the mentioned above
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2) Which method retrieves periodic updates about the current geographic location of the device.

A) getCurrentPosition()
B) watchPosition()
C) clearWatch()
D) All the mentioned above
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3) Which method cancels an ongoing watchPosition call?

A) getCurrentPosition()
B) watchPosition()
C) clearWatch()
D) None of the above
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4) Geolocation methods getCurrentPosition() and getPositionUsingMethodName() specify the callback method that retrieves the location information.

A) True
B) False
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5) In location property what specifies the geographic location of the device. The location is expressed as a set of geographic coordinates together with information about heading and speed.

A) coords.accuracy
B) coords.longitude
C) coords
D) coords.altitudeAccuracy
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6) Which methods make use of an error handler callback method which gives PositionError object.

A) getCurrentPosition()
B) watchPosition()
C) clearWatch()
D) Both A & B
E) Both B & C
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7) The location of the device could not be determined,the error code is 2 then what will be the constant?

A) UNKNOWN_ERROR
B) PERMISSION_DENIED
C) POSITION_UNAVAILABLE
D) TIMEOUT
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8) In the position options which property specifies whether the widget wants to receive the most accurate location estimate possible. By default this is false.

A) maximumAge
B) timeout
C) enableHighAccuracy
D) None of the above
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9) Geolocation is not complicated, and it is very much required to catch any error and handle it gracefully.

A) True
B) False
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10) The following is a sample code to use for which of these methods?

function getLocation() {
var geolocation = navigator.geolocation;
geolocation.getCurrentPosition(showLocation,
errorHandler);
}

A) getCurrentPosition()
B) watchPosition()
C) clearWatch()
D) All the mentioned above
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