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Microsoft 70-544 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Virtual Earth Map Fundamentals | - Understanding Virtual Earth 6.0 architecture and API - Initializing and displaying maps in applications |
| Topic 2: Pushpins and Shapes | - Adding and configuring pushpins - Using shapes and layers for spatial data |
| Topic 3: Debugging and Optimization | - Debugging JavaScript in Virtual Earth applications - Performance considerations and practices |
| Topic 4: Data Integration | - Integrating external data (GeoRSS, MapCruncher tiles) - Working with AJAX and server-side data |
| Topic 5: Map Views and Modes | - Switching between 2D and 3D modes - Setting map view specifications |
| Topic 6: Map Interaction and Events | - Handling map events and user interaction - Custom control integration with map events |
Microsoft TS: Ms Virtual Earth 6.0, Application Development Sample Questions:
1. You deploy a Virtual Earth 6.0 application that uses Microsoft ASP.NET Asynchronous
JavaScript and XML (AJAX) implementation to retrieve data.
The myAjaxCallback function evaluates any AJAX response. The function contains the following code segment. (Line numbers are included for reference only.)
0 1 function myAjaxCallback (){
0 2 if (xmlHttp.readyState == 4){
0 3 ...
0 4 }
0 5 }
At the time the request was made, the server was overloaded. When the server processed the AJAX request, the server returned an error message.
You need to ensure that the application does not produce a fatal exception due to the error generated from the AJAX response.
Which code segment should you insert at line 03?
A) If(xmlHttp.status == 200){ eval(xmlHttp.responseText); } else{ // Update user with status here. }
B) try{ eval(xmlHttp.responseText); } catch(error){ if(xmlHttp.status == 200){ eval(xmlHttp.responseText); } }
C) try{ eval(xmlHttp.responseText); } catch(error){ // Update user with status here. }
D) try{ eval(xmlHttp.responseText); } catch(error){ eval(xmlHttp.responseXML); }
2. You add a new pushpin to a Virtual Earth 6.0 map. You are creating an algorithm to calculate the polygon representation of a pushpin cluster. You write a step to verify that the pushpin belongs to the cluster. You need to identify whether to recalculate the polygon representation. What should you do?
A) Calculate the bounding box of all pushpins and verify whether the location of the new pushpin lies inside the bounding box.
B) Calculate the convex hull of all pushpins and verify whether the location of the new pushpin lies outside the convex hull.
C) Calculate whether the location of the new pushpin overlaps the center point of all pushpins.
D) Calculate the minimum bounding rectangle of the polygon and verify whether the location of the new pushpin lies inside the minimum bounding rectangle.
3. You need to add a default pushpin as a shape to the base map layer at a specific latitude and longitude. Which code segment should you use?
A) var shape = map.AddPushpin(map.GetCenter()); shape.SetTitle('My pushpin'); shape.SetDescription('This is a default shape');
B) var shape = new VEShape(VEShapeType.Pushpin, new VELatLong(0,0));
shape.SetTitle('My pushpin'); shape.SetDescription('This is a default shape'); shape.SetPoints([new VELatLong(latitude,longitude)]); map.AddShape(shape);
C) var shapeLayer = new VEShapeLayer(); map.AddShapeLayer(shapeLayer); var shape
= new VEShape(VEShapeType.Pushpin, new VELatLong(latitude,longitude));
shape.SetTitle('My pushpin'); shape.SetDescription('This is a default shape'); shapeLayer.AddShape(shape);
D) var shape = new VEShape(VEShapeType.Pushpin, map.GetCenter());
shape.SetTitle('My pushpin'); shape.SetDescription('This is a default shape'); map.AddShape(shape);
4. A Web site displays a Virtual Earth 6.0 map in two-dimensional mode. You need to display data legends on the Virtual Earth map by using a custom control. Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)
A) Use the document.CreateElement method of the Document Object Model (DOM) to create a new HTML element.
B) In the style property for the IFRAME element, set the value of the z-index attribute to 1 and the position settings to match those of your control. In the style property for your custom control, set the value of the z-index attribute to a number greater than 1.
C) Loop through the Document Object Model (DOM) of your application. Insert the data legend as a child of the DIV element that contains the Virtual Earth map.
D) Add the data legends to the HTML element. Call the VEMap.AddControl method.
E) Create an IFRAME element that has the same size and the same location as the custom control. Set the value of the frameborder property of the IFRAME element to 0 and the value of the scrolling property to no.
5. Your company plans to implement a store locator on its Web site. You need to center a
Virtual Earth 6.0 map on a selected store location. What are two possible methods you can use to achieve this goal? (Each correct answer presents a complete solution. Choose two.)
A) VEMap. StartContinousPan
B) VEMap. SetPitch
C) VEMap. SetCenterAndZoom
D) VEMap. PanToLatLong
E) VEMap. SetMapMode
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: A,D | Question # 5 Answer: C,D |




