Google Maps (API and development) 2015

1. Which object defines a geographic rectangle on the map using two LatLng objects?

Answers:

• LatLng

• GeographicBounds

• Bounds

• LatLngBounds

2. How can a marker be places so that it is certain to be placed above any other existing markers?

Answers:

• map.addMarker(marker, google.maps.Marker.MAX_ZINDEX + 1);

• marker.setZIndex(999);

• marker.setZIndex(google.maps.Marker.MAX_ZINDEX + 1);

• marker.bringToFront();

3. Which control contains a Pegman icon that can be dragged onto a map?

Answers:

• Pan

• Overview

• StreetView

• Zoom

4. What property of MarkerOptions determines where a marker is placed on the map?

Answers:

• position

• center

• point

• latLng

5. Which of the following will call the testFunction function when the div named testDiv is clicked?

Answers:

• google.maps.event.addListener(testDiv, 'click', testFunction);

• (none of these)

• google.maps.event.addDomListener(testDiv, 'click', testFunction);

• google.maps.onClick(testDiv, testFunction);

6. Which of the following is not a valid ControlPosition?

Answers:

• Right_Center

• Bottom_Center

• Center_Bottom

• Top_Right

7. Which of the following is not a type of place search that can be performed with the Places Service?

Answers:

• Text

• Radar

• Multilevel

• Nearby

8. Which of the following events are fired after the zoom has changed on the map?

Answers:

• changed

• center_changed

• bounds_changed

• resize

9. In what method of an OverlayView would you initialize html elements to be added to the map?

Answers:

• add

• onAdd

• draw

• setMap

10. Which function will animate the map to a newly defined center point, provided the change is less than both the width and height of the map?

Answers:

• setCenter

• setZoom

• panTo

• panToBounds

11. What class allows users to draw overlays on the map themselves?

Answers:

• DrawingManager

• OverlayManager

• OverlayControl

• DrawingLibrary

12. Which of the following is not one of the additional libraries that you can load into a JavaScript Google Maps API application?

Answers:

• topography

• geometry

• adsense

• weather

13. Which class is used to create a new map type and apply styles to it?

Answers:

• MapType

• MapTypeStyler

• MapTypeControlOptions

• StyledMapType

14. When set to true, the draggable property of the DirectionsRenderer class enables a user to:

Answers:

• Drag the map to a new center point.

• Drag the Directions control to a new location.

• Drag a marker to a new location.

• Alter a route by dragging the polyline for the route path.

15. What RectangleOptions property allows a rectangle to be resized by the user?

Answers:

• draggable

• resizable

• editable

• clickable

16. Which object should you use to specify that you want to add controls to a map?

Answers:

• ControlOptions

• AddControls

• MapControls

• MapOptions

17. What is the maximum number of waypoints allowed in a non-business directions request?

Answers:

• 4

• 8

• 12

• 16

18. What class can be used to create custom overlays?

Answers:

• object

• Overlay

• Marker

• OverlayView

19. What property of MarkerOptions defines the rollover text for a marker?

Answers:

• rolloverText

• markerText

• toolTip

• title

20. Which property of the DOM enables you to detect iPhone and Android devices?

Answers:

• navigator.mobile

• device.deviceType

• navigator.userAgent

• navigator.deviceType

21. Which class is used to draw an overlay of connected line segments?

Answers:

• Polygon

• Polyline

• Drawline

• LineOverlay

22. How would you load the data contained in a KML file onto google map?

Answers:

• map.addKml(stringUrl);

• (none of these)

• new KmlLayer({url:stringUrl, map:map});

• map.loadKml(stringUrl);

23. If you create a marker but do not specify its map in the marker options, you can specify the map later by using this syntax:

Answers:

• marker.setMap(map)

• map.markerOptions(marker)

• marker.setMarker(map)

• map.setMarker(marker)

24. What MapOptions properties are required when creating a new map?

Answers:

• zoom

• mapDiv

• center

• zoom and center

25. What property of MarkerOptions allows you to set a custom image for a marker?

Answers:

• markerImage

• image

• picture

• icon

26. Which Map class method is used to animate the transition of the map center to a new LatLng?

Answers:

• newCenter

• panTo

• panBy

• panCenter

27. What zoom level displays a map of the Earth fully zoomed out?

Answers:

• 10

• 20

• 5

• 0

28. How can you expand a LatLngBounds object to ensure that it included additional points?

Answers:

• latLngBounds.add(newLatLng)

• latLngBounds.contain(newLatLng)

• latLngBounds.extend(newLatLng)

• (none of these)

29. What is the default map type?

Answers:

• HYBRID

• STREETLEVEL

• ROADMAP

• SATELLITE

30. Which of the following is not a valid base map type?

Answers:

• ROADMAP

• STREETLEVEL

• SATELLITE

• TERRAIN

31. How do you add traffic information to a map?

Answers:

• var trafficLayer = new google.maps.TrafficLayer(); trafficLayer.setMap(map);

• map.addLayer('traffic');

• var trafficLayer = new google.maps.TrafficLayer(); map.add(trafficLayer)

• map.trafficLayer.setVisible(true);

32. What overlay object would you use to draw an enclosed shape on the map given an array of LatLng objects?

Answers:

• marker

• polyline

• shape

• polygon

33. How can you retrieve an array of markers that have been added to the map?

Answers:

• var markers = map.getMarkers();

• Overlays added to the map are not managed by the map and must be managed manually.

• var markers = map.markers;

• var markers = map.getOverlays("marker");

34. What querystring parameter added to the maps api url will call a named function after the maps api loads?

Answers:

• loaded

• afterload

• function

• callback

35. How can you determine if the current map viewport contains a specific point?

Answers:

• map.getBounds.Overlaps(LatLng)

• map.contains(LatLng);

• map.getBounds().contains(LatLngBounds);

• map.getBounds().contains(LatLng);

36. Which of the following is not an argument for the addListener() event handler?

Answers:

• object on which event occurred

• event for which the handler is listening

• bubbling phase of event

• function to respond to event

37. Which class is used to display text or images in a popup window attached to a marker?

Answers:

• MarkerOptions

• InfoWindow

• InfoOptions

• MapOptions

38. What is the namespace on which event listeners must be registered to listen for Google Maps API events?

Answers:

• google.mapevents

• google.maps.event

• google.api.mapevents

• events.maps.google

39. How can you add a marker to an existing map, named "myMap"?

Answers:

• marker.setMap(myMap); or var marker = new marker({position:latLng, map:myMap});

• var marker = new marker({position:latLng, map:map});

• marker.setMap(map);

• map.add(marker);

40. What type of object is the position property of MarkerOptions?

Answers:

• google.maps.Sharpie

• google.maps.LatLngBounds

• google.maps.point;

• google.maps.LatLng

41. Which additional library must you load if you want to add a heatmap layer to your map?

Answers:

• drawing

• visualization

• weather

• places

42. For best map display on mobile devices, set the width and height of the <div> that contains the map to:

Answers:

• 50%

• 100%

• 80%

• 600px

43. The Google Maps API for which of the following platforms is deprecated?

Answers:

• iOS

• Flash

• JavaScript v3

• Android

44. What is the correct way to create a Google Maps API object that represents a point on a map?

Answers:

• new PointCode(lat:number,lng:number)

• new LatLng(lat:number, lng:number);

• new Geocode(lat:number,lng:number)

• new IconPoint(lat:number,lng:number)

45. What function sets the HTML contained in an InfoWindow?

Answers:

• infoWindow.innerHTML(HTMLstring);

• infoWindow.setHTML(HTMLstring);

• infoWindow.setContent(HTMLstring);

• infoWindow.html(HTMLstring);

46. Which of the following is not a built-in control that can be used on a map?

Answers:

• BirdsEyeView 

• Pan

• MapType

• StreetView

47. True or False: If you want your JavaScript Google Maps API application to search for places, you must load an additional places library through the bootstrap request.

Answers:

• True

• False

48. Which of the following functions can change the zoom level of the map.

Answers:

• map.zoom

• map.setZoom

• map.changeZoom

• map.setCenter

49. True or False: You can only create one instance of the JavaScript Map class on a page.

Answers:

• True

• False

50. What function do you call to make the map contain specific bounds.

Answers:

• map.setCenter(LatLng);

• map.panTo(LatLng);

• map.fitBounds(LatLngBounds);

• map.fitBounds(GeographicBounds);

51. In the syntax to load the JavaScript Google Maps API, what does the parameter "sensor=true" indicate?

Answers:

• Show current location of street level camera.

• Use GPS locator to determine user's location.

• Locate landmarks near map location. 

• Use weather sensor at map location.

52. Taking an address and translating it into a geographic point is known as what?

Answers:

• Geocaching

• Geoparsing

• Geolocating

• Geocoding

53. Which of the following is not a common MapType?

Answers:

• TERRAIN

• HYBRID

• ELEVATION

• ROADMAP

54. What overlay object can be used to contain information HTML content?

Answers:

• Polygon

• InfoWindow

• Marker

• Bubble

55. Which of the following travel modes is not supported when you are calculating directions?

Answers:

• DRIVING

• FLYING

• TRANSIT

• BICYCLING

56. How do you add a click event listener to a google map?

Answers:

• map.addListener.add('click', clickFunction);

• google.maps.listener.add(map, 'click', clickFunction);

• map.listener.add('click', clickFunction);

• google.maps.event.addListener(map, 'click', clickFunction);

57. When you create a new map, you must specify the initial zoom as a map option. What is the other required initial map option?

Answers:

• backgroundColor

• styles

• center

• tilt

58. What service can be used to obtain a LatLng from an address?

Answers:

• Directions

• Geography

• Distance

• Geocoder

59. If you want to monetize your map application with context-sensitive display advertising, which library should you use?

Answers:

• Shopping

• AdSense

• Panoramio

• Places

60. Street View provides a panoramic view of:

Answers:

• 360 degrees

• 180 degrees

• 90 degrees

• 45 degrees

61. True or False: The JavaScript Google Maps API does not support reverse geocoding (translating a map location into an address).

Answers:

• True

• False

62. Which of the following must you obtain to load the JavaScript Google Maps API for a non-business application?

Answers:

• API key

• Cryptographic key

• Enterprise application license

• Temporary application license

63. True or False: When using the JavaScript Google Maps API, you normally specify a <div> HTML element as a container for the map.

Answers:

• True

• False

64. To remove the polyline "flightPath" from a map, which syntax would you use?

Answers:

• flightPath.setMap(null);

• flightPath.setPolyline = null;

• flightPath.setPolyline = 0;

• flightPath.setDisplay(null);

65. Which class is used to display the results of a directions query?

Answers:

• DirectionsRenderer

• DirectionsResult

• DirectionsRequest

• DirectionsDisplay

66. How would you remove a marker from a map?

Answers:

• marker.setMap(null);

• marker.destroy();

• map.remove(marker);

• marker.setVisible(false);

67. How would you resize the map after its containing element has been resized?

Answers:

• google.maps.event.trigger(map, 'resizeMap');

• google.maps.event.trigger(map, 'resize');

• map.resize();

• map.setSize(newSize);

68. True or False: When using the JavaScript Google Maps API, the MapType control appears by default on the map.

Answers:

• True

• False

69. True or False: You can use a custom map projection when implementing a custom map.

Answers:

• False

• True

70. Which arguments must be passed to a LatLng object?

Answers:

• Highway number and mile marker

• Height and width

• Latitude and longitude

• Address and ZIP code

71. Which map pane should you add an OverlayView to if you want it to respond to click events?

Answers:

• overlayLayer

• overlayMouseTarget

• mapPane

• overlayImage

72. True or False: MVC state changes pass arguments in their events.

Answers:

• True

• False

73. True or False: Direction results from Toronto, Ontario to Milwaukee, Wisconsin will be displayed in miles by default.

Answers:

• True

• False

74. What function returns a LatLng based on a pixel position?

Answers:

• fromPixelToLatLng

• fromPointToLatLng

• fromDivPixelToLatLng

• getPositionOf

75. How would you add a custom control to a map?

Answers:

• map.controls.add(customControl, ControlPosition);

• map.controls[ControlPosition].push(customControl);

• map.controls[ControlPosition].add(customControl);

• map.addControl(customControl, ControlPosition);

76. What object represents a set of x, y coordinates on the map?

Answers:

• pixel

• LatLngBounds

• point

• position

77. Which object is the most atomic unit of the route returned in response to a directions request?

Answers:

• DirectionLeg

• DirectionResult

• DirectionRoute

• DirectionStep

78. How do you extend a LatLngBounds object to contain another LatLngBounds object?

Answers:

• latLngBounds.union(otherLatLngBounds);

• latLngBounds.expand(otherLatLngBounds);

• (all of these will work)

• latLngBounds.add(otherLatLngBounds);

79. What method of an OverlayView would the overlay's html elements be in?

Answers:

• add

• draw

• onAdd

• setMap

80. How would you call the function testFunction only the first time the map is loaded?

Answers:

• google.maps.event.addListenerOnce(map, 'load', testFunction);

• google.maps.event.addListener(map, 'idle', testFunction);

• google.maps.event.addListener(map, 'load', testFunction);

• google.maps.event.addListenerOnce(map, 'idle', testFunction);