GISP practice test 25-50 latest 2023 graded A+

GISP practice test 25-50 latest 2023 graded A+ # 25 322 When a GIS dataset for a given project is constantly revised, accessed, and manipulated by multiple users the best practice approach for storing the data is (Choose the best answer) A. Shapefiles B. Personal Geodatabase C. KML files D. Enterprise Geodatabase D # 26 323 What technology allows for multiple server instances on a single piece of hardware/single server? (Choose the best answer) A. Open Source B. Remote Desktop C. Virtualization D. Network Attached Storage C # 27 323 Which of the following is NOT a true relational database? (Choose the best answer) A. SQL Server B. Access C. Oracle D. PostgreSQL B # 28 425 Overlay analysis is based on (Choose the best answer) A. Principal component analysis B. Spatial diffusion C. Graph theory D. Boolean logic D # 29 425 When asked for an "eight-hundred scale map", what is another way of representing that scale for use in designing the map? (Select all that apply) A. 1:800 B. 1 inch = 800 feet C. 1 foot = 800 feet D. 1:9,600 BD # 30 425 Raster overlay analysis is commonly referred to as (Choose the best answer) A. Map Algebra B. Classification C. Change Detection D. Change Analysis A # 31 426 Representing features logically in GIS format requires knowledge of GIS primitives. The scale at which a feature is intended to be shown can help define the proper primitive used to create and display that feature. The best option to represent a feature class for rivers in a State-wide map would be: (Choose the best answer) A. Point Feature B. Polygon feature C. Line Feature D. Multi-patch feature C # 32 428 You have been asked to analyze ground water quality for a largely rural American county. During your analysis you learn that septic tank density has a correlation coefficient of 0.15 with ground water nitrate concentrations. From these data, you can safely infer (Choose the best answer) A. Septic tanks appear to contribute to the Counties ground water nitrate concerns. However, additional factors are also involved and need to be investigated. B. Septic tanks have increased nitrate concentration by 15%. Therefore, restricting future septic tank installations is important for the counties ground water quality. C. Septic tanks have increased nitrate concentration by 15%. Therefore, restricting future septic tank installations is important for the counties ground water quality. In addition, the County needs to seriously consider extending existing sewer lines to thereby reduce the number of septic tanks. D. The correlation coefficient of 0.15 is very low and fails to show any correlation between septic tanks and the Counties ground water concerns regarding nitrates. A # 33 431 Which scale representation format remains accurate when the final map product is not reproduced at the same page size it was designed for? (Choose the best answer) A. verbal scale B. graphic scale C. representative fraction D. absolute scale B # 34 431 What are good reasons to use scale-dependant rendering that changes the source of a dataset to a less detailed and less accurate dataset as the scale of the map is made smaller? (Select all that apply) A. to reduce file size of the digital version of a map B. to make features appear larger than they are C. to reduce cluttered/confusing representations in map products D. to encourage the viewer to overlook important details A C # 35 432 π/ 4rad = A. 90 degrees B. 30 degrees C. 60 degrees D. 45 degrees D # 36 533 Showing data based on defined parameters is one of the greatest benefits of GIS. Filtering data based on the specific content stored in a field refers to which of the following: (Choose the best answer) A. Attribute query B. Spatial query C. Locational query D. Cartographic query A # 37 534 The shapefile format is a digital vector format for storing geometric locations and associated attribute information. While it can consist of several files with different file name extensions, three file names are needed to be properly identified as a shapefile. These are: (Choose the best answer) A. shp, sbn, prj B. shp, shx, dbf C. shp, sbn, dbf D. shp, sbn, sbx B # 38 534 Which vector GIS data format is popular, as well as having (mostly) open specifications for data interoperability among many GIS software products? (Choose the best answer) A. IMG B. DOC C. SHP D. GDB C # 39 527 When converting Degrees/Minutes/Seconds of latitude in the Northern Hemisphere to decimal degrees (Choose the best answer) A. Add the three values together and divide the sum by 3600, i.e., (Deg+Min+Sec)/3600 B. Subtract the seconds from the minutes, then the minutes from the degrees i.e. (Deg-(Min-Sec)) C. Multiply the Minutes by 60, multiply the seconds by 3600 and then add all to the degrees, i.e., (Deg+(Min*60)+(Sec*3600)) D. Divide the Seconds by 3600, divide the Minutes by 60, then add those values to the degrees, i.e. (Deg+(Min/60)+(Sec/3600)) D # 40 537 If converting Degrees/Minutes/Seconds of latitude in the Southern Hemisphere to decimal degrees, what would change from question 1? (Choose the best answer) A. You would add the derived value to 180 B. You would subtract the derived value from 180 C. You would multiply the derived value by -1 D. You would divide the derived value by -1 C D # 41 538 To determine the horizontal accuracy of an ortho-rectified aerial image, (Choose the best answer) A. The image is compared to a historic photograph and 90% of the well-known points must match, B. Photo-identifiable field points are surveyed and the Root-Mean Square error between the image and the Photo-ID points is computed, C. Points are heads-up digitized from the ortho-rectified aerial image and compared to points from GIS layers D. Have multiple technicians measure football fields end zone to end zone (300 feet) (or other well-known structures) and the standard deviation of those measurements is the accuracy. B #42 538 The most common statistical method to determine the attribute (land classification) accuracy of a raster-derived land use/land cover map is to: (Choose the best answer) A. Use photo-identifiable points for ground truthing and compute a RMSe B. Have multiple technicians compile vector polygons and then do a Union Overlay. The total area of the sliver polygons is the statistical error C. Compute a Confusion Matrix based on ground truthing a stratified random sample of polygons D. Compute the variance in the number of polygons of each land use/land cover class C # 43 639 The Federal Geographic Data Committee has endorsed (Choose the best answer) A. only the Content Standard for Digital Geospatial Metadata (CSDGM) B. only the ISO 19115 Geospatial Metadata Standard C. only the CSDGM and the ISO 19115 standards D. the CSDGM, ISO 19115, and additional ISO metadata standards D # 44 640 The value of "pulldown" menus in mobile data collection allows for certain data to be added without typing. This valuable input technique allows control of input syntax and is a proactive part of (Choose the best answer) A. Data filtering B. Quality Assurance C. Cartographic Display D. Big data B # 45 641 What are the main reasons for implementing a data archiving system? (Select all that apply) A. Cost of primary storage B. Ease of access to historical data C. Fast Access to the most important data D. Various data export formats. ABC # 46 642 Which of the following is used to extract features and their attributes from one map using a polygon from another as the boundary of the output? (Choose the best answer) A. Join B. Merge C. Union D. Clip D # 47 642 Which of the following is used to build new features by splitting overlapping features and combing attributes where the features overlap? (Choose the best answer) A. Join B. Merge C. Union D. Clip C # 48 642 Which of the following appends together maps of adjoining area? (Choose the best answer) A. Join B. Merge C. Union D. Clip B # 49 644 What are some important considerations when converting hand-drawn features from a hard copy map to digital GIS data? (Select all that apply) A. Colors that will be used to show data in final maps B. Determining which background data shown on the paper maps is the most accurate to use in georeferencing it C. Method the field data collector used to orient themselves D. Ability to understand the notations made and to interpret the attributes for each feature B D # 50 644 When collecting GPS data, what are the most important factors in determining the accuracy of the resulting data? (Select all that apply) A. Using templates or prescribed schemas for feature creation to ensure data quality B. The number of and distance between features collected each day C. The capabilities of the GPS receiver and alignment of GPS satellites at the moment the data is collected D. The battery power of the data collection device A C Which are compression techniques for raster data? Select all that apply. a) Lattice b) Pyramids c) Quad trees d) Run length encoding C D According to National Map Accuracy Standards, what percentage of features must be within 1/30 of an inch or less from their intended horizontal accuracy on maps with scales of 1:20,000 or larger? a) 5% b) 10% c) 90% d) 95% C