Elance Google Maps (API and Development) Test Answers 2015



Which control contains a Pegman icon that can be dragged onto a map?
Overview
Pan
StreetView
Zoom


What is the default map type?
ROADMAP
SATELLITE
HYBRID
STREETLEVEL


To remove the polyline "flightPath" from a map, which syntax would you use?
flightPath.setPolyline = 0;
flightPath.setDisplay(null);
flightPath.setMap(null);
flightPath.setPolyline = null;


How do you add traffic information to a map?
map.trafficLayer.setVisible(true);
map.addLayer('traffic');
var trafficLayer = new google.maps.TrafficLayer(); trafficLayer.setMap(map);
var trafficLayer = new google.maps.TrafficLayer(); map.add(trafficLayer)


Which additional library must you load if you want to add a heatmap layer to your map?
weather
places
visualization
drawing


For best map display on mobile devices, set the width and height of the <div> that contains the map to:
600px
100%
80%
50%


In the syntax to load the JavaScript Google Maps API, what does the parameter "sensor=true" indicate?
Use weather sensor at map location.
Use GPS locator to determine user's location.
Locate landmarks near map location. 
Show current location of street level camera.


If you want to monetize your map application with context-sensitive display advertising, which library should you use?
AdSense
Panoramio
Places
Shopping


What service can be used to obtain a LatLng from an address?
Geocoder
Geography
Distance
Directions


What overlay object can be used to contain information HTML content?
Bubble
Polygon
Marker
InfoWindow


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


Street View provides a panoramic view of:
360 degrees
90 degrees
45 degrees
180 degrees


How do you add a click event listener to a google map?
map.listener.add('click', clickFunction);
google.maps.listener.add(map, 'click', clickFunction);
google.maps.event.addListener(map, 'click', clickFunction);
map.addListener.add('click', clickFunction);


Which of the following is not a common MapType?
ROADMAP
TERRAIN
ELEVATION
HYBRID


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


Which of the following must you obtain to load the JavaScript Google Maps API for a non-business application?
Temporary application license
Enterprise application license
API key
Cryptographic key


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


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


Which of the following travel modes is not supported when you are calculating directions?
TRANSIT
DRIVING
BICYCLING
FLYING


Which arguments must be passed to a LatLng object?
Height and width
Highway number and mile marker
Latitude and longitude
Address and ZIP code


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


Taking an address and translating it into a geographic point is known as what?
Geolocating
Geoparsing
Geocaching
Geocoding


The Google Maps API for which of the following platforms is deprecated?
Android
JavaScript v3
Flash
iOS


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


Which of the following is not a built-in control that can be used on a map?
BirdsEyeView 
Pan
MapType
StreetView


Which of the following functions can change the zoom level of the map.
map.setCenter
map.changeZoom
map.setZoom
map.zoom


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.
False
True


What type of object is the position property of MarkerOptions?
google.maps.LatLng
google.maps.point;
google.maps.LatLngBounds
google.maps.Sharpie


Which class is used to display text or images in a popup window attached to a marker?
MarkerOptions
InfoWindow
InfoOptions
MapOptions


What function do you call to make the map contain specific bounds.
map.fitBounds(LatLngBounds);
map.setCenter(LatLng);
map.fitBounds(GeographicBounds);
map.panTo(LatLng);


What is the correct way to create a Google Maps API object that represents a point on a map?
new LatLng(lat:number, lng:number);
new IconPoint(lat:number,lng:number)
new PointCode(lat:number,lng:number)
new Geocode(lat:number,lng:number)


What function sets the HTML contained in an InfoWindow?
infoWindow.html(HTMLstring);
infoWindow.setContent(HTMLstring);
infoWindow.setHTML(HTMLstring);
infoWindow.innerHTML(HTMLstring);


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


How can you add a marker to an existing map, named "myMap"?
marker.setMap(myMap); or var marker = new marker({position:latLng, map:myMap});
var marker = new marker({position:latLng, map:map});
map.add(marker);
marker.setMap(map);


What querystring parameter added to the maps api url will call a named function after the maps api loads?
function
loaded
callback
afterload


Which of the following is not an argument for the addListener() event handler?
object on which event occurred
bubbling phase of event
event for which the handler is listening
function to respond to event


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


How can you determine if the current map viewport contains a specific point?
map.getBounds.Overlaps(LatLng)
map.getBounds().contains(LatLngBounds);
map.getBounds().contains(LatLng);
map.contains(LatLng);


Which of the following is not a valid base map type?
TERRAIN
STREETLEVEL
ROADMAP
SATELLITE


Which object defines a geographic rectangle on the map using two LatLng objects?
LatLngBounds
GeographicBounds
LatLng
Bounds


What property of MarkerOptions determines where a marker is placed on the map?
point
center
position
latLng


What MapOptions properties are required when creating a new map?
zoom
mapDiv
zoom and center
center


How can you expand a LatLngBounds object to ensure that it included additional points?
latLngBounds.add(newLatLng)
latLngBounds.extend(newLatLng)
latLngBounds.contain(newLatLng)
(none of these)


How can you retrieve an array of markers that have been added to the map?
var markers = map.markers;
var markers = map.getMarkers();
Overlays added to the map are not managed by the map and must be managed manually.
var markers = map.getOverlays("marker");


Which Map class method is used to animate the transition of the map center to a new LatLng?
panTo
panBy
newCenter
panCenter


What property of MarkerOptions allows you to set a custom image for a marker?
icon
picture
markerImage
image


What zoom level displays a map of the Earth fully zoomed out?
0
5
20
10


Which property of the DOM enables you to detect iPhone and Android devices?
navigator.userAgent
device.deviceType
navigator.mobile
navigator.deviceType


Which of the following is not a type of place search that can be performed with the Places Service?
Text
Multilevel
Nearby
Radar


How would you load the data contained in a KML file onto google map?
map.loadKml(stringUrl);
(none of these)
new KmlLayer({url:stringUrl, map:map});
map.addKml(stringUrl);


What class can be used to create custom overlays?
object
OverlayView
Marker
Overlay


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:
marker.setMap(map)
map.setMarker(marker)
marker.setMarker(map)
map.markerOptions(marker)


When set to true, the draggable property of the DirectionsRenderer class enables a user to:
Drag the map to a new center point.
Drag the Directions control to a new location.
Alter a route by dragging the polyline for the route path.
Drag a marker to a new location.


Which class is used to draw an overlay of connected line segments?
Drawline
Polyline
LineOverlay
Polygon


Which of the following will call the testFunction function when the div named testDiv is clicked?
google.maps.event.addDomListener(testDiv, 'click', testFunction);
(none of these)
google.maps.event.addListener(testDiv, 'click', testFunction);
google.maps.onClick(testDiv, testFunction);


What is the maximum number of waypoints allowed in a non-business directions request?
12
4
16
8


Which of the following events are fired after the zoom has changed on the map?
bounds_changed
changed
center_changed
resize


How would you remove a marker from a map?
map.remove(marker);
marker.setVisible(false);
marker.setMap(null);
marker.destroy();


How would you resize the map after its containing element has been resized?
google.maps.event.trigger(map, 'resize');
map.setSize(newSize);
map.resize();
google.maps.event.trigger(map, 'resizeMap');


What property of MarkerOptions defines the rollover text for a marker?
markerText
rolloverText
toolTip
title


Which class is used to display the results of a directions query?
DirectionsRenderer
DirectionsRequest
DirectionsResult
DirectionsDisplay


Which object should you use to specify that you want to add controls to a map?
MapOptions
AddControls
ControlOptions
MapControls


Which of the following is not one of the additional libraries that you can load into a JavaScript Google Maps API application?
weather
adsense
geometry
topography


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?
setCenter
setZoom
panToBounds
panTo


What class allows users to draw overlays on the map themselves?
OverlayControl
OverlayManager
DrawingManager
DrawingLibrary


Which of the following is not a valid ControlPosition?
Center_Bottom
Right_Center
Top_Right
Bottom_Center


What function returns a LatLng based on a pixel position?
getPositionOf
fromDivPixelToLatLng
fromPointToLatLng
fromPixelToLatLng


Which map pane should you add an OverlayView to if you want it to respond to click events?
overlayImage
overlayMouseTarget
mapPane
overlayLayer


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


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


What RectangleOptions property allows a rectangle to be resized by the user?
editable
clickable
resizable
draggable


How would you add a custom control to a map?
map.controls[ControlPosition].push(customControl);
map.controls[ControlPosition].add(customControl);
map.addControl(customControl, ControlPosition);
map.controls.add(customControl, ControlPosition);


Which class is used to create a new map type and apply styles to it?
MapType
MapTypeControlOptions
MapTypeStyler
StyledMapType


How can a marker be places so that it is certain to be placed above any other existing markers?
marker.setZIndex(google.maps.Marker.MAX_ZINDEX + 1);
marker.setZIndex(999);
map.addMarker(marker, google.maps.Marker.MAX_ZINDEX + 1);
marker.bringToFront();


What object represents a set of x, y coordinates on the map?
pixel
LatLngBounds
position
point


In what method of an OverlayView would you initialize html elements to be added to the map?
setMap
draw
onAdd
add


Which object is the most atomic unit of the route returned in response to a directions request?
DirectionRoute
DirectionStep
DirectionLeg
DirectionResult


How do you extend a LatLngBounds object to contain another LatLngBounds object?
latLngBounds.add(otherLatLngBounds);
latLngBounds.union(otherLatLngBounds);
(all of these will work)
latLngBounds.expand(otherLatLngBounds);


What method of an OverlayView would the overlay's html elements be in?
add
onAdd
setMap
draw


How would you call the function testFunction only the first time the map is loaded?
google.maps.event.addListenerOnce(map, 'idle', testFunction);
google.maps.event.addListenerOnce(map, 'load', testFunction);
google.maps.event.addListener(map, 'load', testFunction);
google.maps.event.addListener(map, 'idle', testFunction);

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