Top 22 Google Maps Interview Questions
Q1. Should I Purchase The Google Maps Apis Premium Plan?
You can buy the Google Maps APIs Premium Plan if your commercial enterprise or business enterprise calls for any of the subsequent:
An SLA with 24-hour technical guide
Ability to sell a service or product with embedded Google Maps
Ability to apply Google Maps APIs for an inner application or internet site
A particular amount of quota
Ability to apply Google Maps APIs (excluding the Places API) for asset monitoring programs
Premium Plan capabilities available along with your present Maps APIs for Work license
Q2. What Is The Maximum Number Of Markers Or Path Vertices Supported By The Google Static Maps Api?
There is not any limit to the quantity of markers or route vertices supported with the aid of the Google Static Maps API. When the usage of custom icons, up to 5 precise icons may be special according to request, but each may be used more than one instances inside the map.
Note that Google Static Maps API URLs can contain a maximum of about 2,000 characters which constrains the range of markers and route vertices that can be certain based totally on the variety of decimal locations used when specifying each latitude/longitude pair.
Q3. Can I Print Maps From The Javascript Api?
Printing from the JavaScript API isn't always supported. This is because printing aid is inconsistent throughout typically used browsers. We suggest the use of the Static Maps API for printing functions.
Q4. Which Google Maps Apis Have Usage Limits?
Google Maps APIs are loose for a extensive kind of use instances, with complimentary usage limits and predictable overage pricing to be used of the same old APIs, and annual contracts to be had for company deployments.
The following APIs do now not have utilization limits:
Google Maps Android API
Google Maps SDK for iOS
Google Maps Embed API
Usage limits observe to the following Maps APIs. Click the API to view its utilization limits information:
Google Maps JavaScript API
Google Static Maps API
Google Street View Image API
Google Maps Directions API
Google Maps Distance Matrix API
Google Maps Elevation API
Google Maps Geocoding API
Google Maps Geolocation API
Google Maps Roads API
Google Maps Time Zone API
Q5. Can I Use The Google Maps Apis On A Site That Is Password Protected?
Yes, you may, even though you need to consult the Google Maps APIs Terms of Service earlier than the use of the Google Maps APIs on a password covered internet site. If purchasers can without problems sign on for a password without fee or if the motive of the password blanketed map is to enhance the publicly available map (ie. Administration), then your website is likely within the Google Maps APIs Terms of Service.
Q6. What Is Api Picker?
The API picker lists the most commonplace things you could need to do on a map or with vicinity-based statistics, and suggests the API that maximum fits your wishes.
Q7. Can I Use Screen Shots Of A Google Maps Apis Application In Printed Materials Or Offline Media?
Use of Google Maps imagery in revealed substances and offline media is problem to the Permission Guidelines posted at:
http://www.Google.Com/permissions/geoguidelines.Html
Q8. Can I Generate A Map Image Using The Google Static Maps Api Which I Store And Serve From My Website?
You may not keep and serve copies of photographs generated the use of the Google Static Maps API out of your website. All net pages that require static pix should hyperlink the src characteristic of an HTML img tag or the CSS heritage-image attribute of an HTML div tag without delay to the Google Static Maps API so that all map pics are displayed within the HTML content of the net page and served directly to cease users through Google.
Q9. How Should I Format My Geocoder Queries To Maximise The Number Of Successful Requests?
The geocoder is designed to map avenue addresses to geographical coordinates. We therefore endorse that you format geocoder requests in accordance with the subsequent suggestions to maximise the probability of a a hit question:
Specify addresses in accordance with the format utilized by the country wide postal carrier of the country worried.
Do not specify extra address factors which include enterprise names, unit numbers, floor numbers, or suite numbers that aren't protected in the cope with as defined through the postal carrier of the us of a concerned. Doing so may result in responses with ZERO_RESULTS.
Use the road number of a premise in preference to the constructing call wherein possible.
Use avenue quantity addressing in choice to specifying cross streets in which possible.
Do no longer provide 'guidelines' together with close by landmarks.
Q10. Which Api Do I Need?
For assist in finding the right API based in your functional necessities.
Q11. What Are The Google Maps Apis?
The Google Maps APIs supply developers several approaches of embedding Google Maps into internet pages or retrieving statistics from Google Maps, and permit for either easy use or vast customization. There are several API services:
Web APIs:
Google Maps JavaScript API
Google Static Maps API
Google Street View Image API
Google Maps Embed API
Web service APIs:
Google Maps Directions API
Google Maps Distance Matrix API
Google Maps Elevation API
Google Maps Geocoding API
Google Maps Geolocation API
Google Maps Roads API
Google Maps Time Zone API
Google Places API Web Service
Mobile APIs:
Google Maps Android API
Google Places API for Android
Google Maps SDK for iOS
Google Places API for iOS
Q12. Can I Put Google Maps On My Site Without Using The Google Maps Apis?
Yes. Google Maps now gives the capacity to embed the map that you're viewing into your internet site or blog, with none programming or use of the Google Maps APIs.
Q13. What Countries Do The Google Maps Apis Cover?
The Google Maps crew is continuously pushing new map statistics out and increasing our international coverage. Consult the Google Maps coverage statistics for the modern-day coverage statistics. You can filter out the statistics with the filter box on the pinnacle of the page. Please be aware that insurance records can alternate if licensing agreements with the data carriers exchange.
Q14. What Are The Limits On The Size And Complexity Of Kml That Can Be Displayed Using The Kmllayer Class Of The Google Maps Javascript Api?
The length and complexity limits at the show of KML the use of the KmlLayer magnificence
Q15. Can I Access The Maps And Satellite Images Directly?
You may not access the maps or satellite images through any mechanism except the Google Maps APIs (together with the creation of your personal mapping API or the use of a bulk tile download script). Your software's get admission to to the tiles will be blocked if it accesses them out of doors of the Google Maps APIs.
Q16. How Are Map Loads Applied Against The Usage Limits For Google Maps Apis For Web?
A single map load is charged while any of the subsequent arise:
A net page or utility displays a map the use of the Google Maps JavaScript API.
A internet web page or application displays a Google Street View Image API landscape using the Google Maps JavaScript API. If a Street View panorama replaces a map within the same div detail, the panorama is not charged.
An software requests a unmarried map picture from the Google Static Maps API.
An software requests a unmarried panorama picture from the Google Street View Image API.
After a web page or software loads a map, a static map photograph, or a Street View landscape, any user interactions with it, which includes panning, zooming, or switching map layers, do now not generate additional map loads or have an effect on utilization limits.
Q17. What Information Is Sent To Google When I Use The Maps Javascript Api?
When the usage of the Maps JavaScript API, the following facts is sent to Google:
Map size and vicinity for retrieving map tiles and copyrights
Addresses for geocoding
Direction and Elevation requests
Locations round which to look for Places
KML whilst using KmlLayer
Q18. Can I Disable The Link On The Google Logo Displayed On A Maps Javascript Api Map?
If you are the use of a consumer ID with a Google Maps APIs Premium Plan license, you may use the following option to get rid of the hyperlink from the Google emblem shown at the map. You need to restrict usage of this selection to instances in which the emblem hyperlink creates a negative user revel in. (An instance is a cell app providing a fullscreen view wherein clicking on the brand takes the user far from the authentic content material of the app, with out a manner to go again.) You ought to make certain that the emblem and copyright observe aren't hidden or blanketed up.
Map.SetOptions(passiveLogo: true);
The logo remains seen but is not clickable.
This choice is available by default to all Premium Plan clients the use of a consumer ID.
Q19. Why Can't I Access Google Maps Apis From China?
The Google Maps APIs are served inside China from the domain maps.Google.Cn. This domain does not aid https. When making requests to the Google Maps APIs from China, please update https://maps.Googleapis.Com with http://maps.Google.Cn.
For example:
https://maps.Googleapis.Com/maps/api/geocode/json?Deal with=1600+Amphitheatre+Parkway,+Mountain+View,+CA
might come to be:
http://maps.Google.Cn/maps/api/geocode/json?Deal with=1600+Amphitheatre+Parkway,+Mountain+View,+CA
The Google Maps JavaScript API can be loaded with the subsequent bootstrap:
<script src="http://maps.Google.Cn/maps/api/js?Key=YOUR_API_KEY"
type="text/javascript">
</script>
Q20. Why Do The Google Maps Apis Geocoders Provide Different Locations Than Google Maps?
The API geocoder and Google Maps geocoder every now and then use one-of-a-kind data sets (depending at the usa). The API geocoder sometimes gets up to date with new facts, so that you can count on to see effects changing or enhancing over the years.
Q21. How Can I Opt Out Of Including My Content In Google Search Results?
We are now not collecting this information. The use of the indexing parameter has been deprecated and has no effect. You now not want to choose out explicitly, however we encourage you to get rid of this parameter at your earliest convenience.
Q22. Can I Use Google Maps In My Non-internet Application?
Yes, the Google Maps APIs can now be used in desktop programs, provided that they adhere to the alternative regulations of the Google Maps APIs Terms of Service. Note that in order for a laptop software to be deemed "publicly reachable", there ought to be a publicly reachable web site from which it may be downloaded.
