8100 Final Review – Flashcards

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You store 3D Data in DBMS through:
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A list of polygons & multipolygons
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What is one disadvantage for storing 3D data as a list of polygon and multipolygons?
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redundancy
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You need longitude, altitude, and latitude in that order to store 3D geographic coordinates in a KML file
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False
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Which of the following is not a common nested element in the KML file structure?
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Height
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You can store 3D model data in a KML file structure
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False
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Atmospheric scientists want to use GIS because they like making maps
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False
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What array of dimensions would you use to represent humidity varying with time over an area?
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3d
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NetCDF allows only one unlimited dimension?
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True
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Atmospheric profiles require _______________ and ______________ data
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dynamic and static
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What is NetCDF short for?
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d) Network Common Data Form
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Which of the following is not a likely use of Bathymetric LiDAR?
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Mapping deep sea shipwrecks
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The near-infrared wavelength measures the distance to the surface of the water and the green wavelength measures the distance to the seabed
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True
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Which of the following is the ‘best’ algorithm to use when trying to integrate topographic and bathymetric LiDAR?
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Least Squares Collocation (LSC)
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The main difference between Least Squares Collocation and the other 3 integration methods discussed is that LSC uses the raw data and the other methods use the DEM data
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False
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What is the most significant limitation in bathymetric LiDAR systems?
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Water Clarity
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Which one of the following is a true issue regarding implementation of HTML5
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JS programmers hesitant to switch over
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Which of the following are false regarding the Canvas element?
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It is vector-based
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The new Google Maps uses WebGL and is based on the HTML5 canvas element
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True
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Which of the following is not an improvement on GoogleMaps via MapsGL
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Measure distances on the canvas
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The Geolocation API uses location information from:
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GPS and IP Address and RFID and MAC Address
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The Fowler and Little algorithm make use of the local interpolator and they proposed that positive points should be connected to negative points.
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False
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The Distance Ordering method to triangulate a TIN model produces thin triangles
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True
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Which option is true about the Delaunay Triangulation?
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It partitions the map by assigning all locations to the nearest vertex
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Why does the GIS community use TIN?
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a) it is accurate in drawing linear geographic features such as streams and ridges and Less points are needed to represent therefore less hard disk space needed and You can perform mathematical analysis
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What are 3 methods to select points for a TIN model?
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Fowler/Little Algorithm, Drop heuristic, very important points algorithm
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A complex temporal event is made up of which two components
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Object and Observation
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The Time slider is new to ArcGIS 10.0
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True
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The date data type is the recommended format for storing temporal data in GIS
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True
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To get time stored in a record format when it is stored in columns, you use what tool?
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Transpose field tool
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If you have your data in MM/DD/YYYY hh:mm:ss what tool would you use to put it into the required format?
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convert time field tool
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ESRI’s Web Application Developer Framework uses Java
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True
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For each of the discussion topics, which is the correct chronological order (first to last)?
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ADF, API, Feature Service
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Which of these is NOT an intended use of the Feature Service?
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Digitizing road centerlines
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API for Javascript relies on SOAP to communicate with ArcGIS Server
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False
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Which of the following is a reason for using API for JavaScript
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Compatible with most browsers and no plug-ins needed
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All inputs in our CEM model have a time component as a parameter
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false
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How many wave-cut notches would you expect to see in a bedrock profile over time when erosion is only due to general wave action?
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1
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Generally, which of the following model input has direct human interference?
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Watershed and erosion transport
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What is a component of a littoral cell?
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Farfield Grid, Control Cells
and Littoral sub-cells
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CEM can be applied to coastlines with beaches and sea cliffs
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True
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Which of the following is not a Location-Allocation Problem type?
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Maximize location
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When Performing Location-Allocation analysis, the best location is the same for all types of facilities
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False
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In location-allocation, the algorithms assign the demand points to only one specific facility
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False
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Which of these is not a location-allocation complexity factor
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different type of surfaces
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Which of these should be executed in your preliminary process?
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suitability
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In order to solve Fire Response Zones, which service (solver/tool) should be used?
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Service Area
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A simple network consist of Edges, Junctions and Turns
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False
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A transportation network is uni-directional
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False
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For emergency vehicle dispatch which service (solver/tool) should be used?
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closest facility
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Who introduced and defined the term REST?
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Roy Thomas Fielding
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Stateless in REST refers to the fact that all information are carried with the transfer
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true
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What does REST stand for?
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Representational State Transfer
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What is the default output format when using ArcGIS Server REST API?
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HTML
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What is an R-Tree used for?
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Indexing
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When was the R-tree proposed?
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1984
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R-Trees are optimum for data sets with heavy updating
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False
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Objects are bound at what level of the R-Tree
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Leaf
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Which of these is not a disadvantage of using an R-Tree when editing data?
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Loss of detail
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Threshold value is important when using Supervised Techniques?
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false
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Which techniques did we cover?
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Image differencing, Change vector analysis and Post classification comp.
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One of the most important factors in determining which method to use is?
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data quality
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The Vector Change Analysis is primarily measuring the Euclidean Distance between the location of the pixels
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True
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Which of the following is NOT an algorithm belonging to the Supervised Technique category?
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Image Regression
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The advantages of Cloud computing are so glaringly obvious that all businesses should adopt cloud systems immediately!
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False
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One of the following options is NOT an advantage of IaaS… which one?
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Multi-tenant development
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Which of the following is not a cloud service supported by ESRI?
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ArcGIS Server on Microsoft Azure
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It is the client’s responsibility to understand public and private keys in conjunction with encryption when using cloud services
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True
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Which of the following is a disadvantage for cloud computing in small to medium businesses?
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data ownership
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Systematic errors are caused because of:
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imperfect recordings
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It is not an error when maps are generalized for display
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false
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In cadastral surveying, parcel fabrics are made up of:
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line points and control points and parcel polygons
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Control point data in GIS software are used to correct for error
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true
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When is multi-beam sonar most effective for collecting bathymetry data?
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deep water
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The initial ESRI model for hydrology data storage was a raster based model
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false
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What issues have prevented Hydrological modeling from being implemented in Large River Systems/basins
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data storage, complexity and data collection
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In the raster series data model the catalog table stores a typeID attribute
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True
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The three methods that are used to collect high resolution bath data are:
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Interferometric sonar, LiDAR, multibeam sonar
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A web application requires a separate version for each different device/platform
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False
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Which of the following is not an advantage of a native application?
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users don’t have to download your app
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Native Apps have full access to the operating system API
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true
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Which apps require the use of a bridge technology
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hybrid apps
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What type of app is best for collecting data in a remote location without network access
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native apps
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A modified version of an SQL statement must be used to access PostgreSQL data from R
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false
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Which of the following is a PostGIS function?
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ST_Buffer
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Running stats is often a cumbersome process and requires manual effort?
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true
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Which of the following input model parameters are considered to be dynamic
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temperature
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Which of the following does not directly access data through GeoServer
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R statistical software
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