Shared Flashcard Set

Details

3E551 Engineering Apprentice, VOL.4 [Edit Code 01]
Review flashcards from the fourth volume of CDC's for airmen with the 3E531 AFSC.
246
Engineering
Not Applicable
02/02/2012
Click here to study/print these flashcards.

Create your own flash cards! Sign up here.

Additional Engineering Flashcards

 

 

Cards

Term
List the five elements of GIS.
 Definition
People, hardware, software, data, procedures and analysis.
Term
What are the three most common ways to model spatial data features?
 Definition
Vector, raster, and TIN.
Term
Which data type is often associated with imagery?
 Definition
Raster.
Term
What are the most common ways to represent vector data?
 Definition
Points, lines, and polygons.
Term
Which spatial data feature is an efficient way to accurately model continuous surfaces?
 Definition
TIN.
Term
What is the AF-wide initiative to implement and standardize geospatial mapping?
 Definition
Geobase.
Term
What is the difference between Garrison and Expeditionary GeoBase?
 Definition
Garrison Geobase is for minor and major installations. Expeditionary Geobase is a deployed version.
Term
What is the foundation of AF expeditionary operations?
 Definition
ESS.
Term
Which part of the ESSP process is tasked with making maps for the ESM data available to users?
 Definition
Enable.
Term
Which decision support environment provides planners with intelligence for selecting FOLs?
 Definition
GeoReach.
Term
What tool is used to develop beddown plans?
 Definition
GeoBEST.
Term
What is a coordinate system?
 Definition
An arrangement of reference lines used to identify the location of points in space.
Term
What are the two most common coordinate systems used?
 Definition
Geographic coordinate system and projected coordinate system.
Term
What kind of surface does geographic coordinate system use to define locations on the earth?
 Definition
Three dimensional.
Term
In a geographic coordinate system, what is a point on earth referenced by?
 Definition
Latitude and longitude.
Term
In what are latitude and longitude values measured?
 Definition
Decimal degrees, or degrees, minutes, seconds.
Term
What is a map projection?
 Definition
A method of converting the earth's 3d surface into a 2d flat surface.
Term
What is the acronym for data characteristics and what does each letter represent?
 Definition
SADD.
Term
What causes distortion?
 Definition
The conversion of geographic locations from a geographic coordinate system to a Cartesian coordinate system.
Term
Name the most common map projections and how they differ from each other.
 Definition
Conformal (preserves shape), equal area (preserves area), equidistant (preserves distance between points), and azimuthal (preserves direction).
Term
What is the datum's role?
 Definition
To provide a frame of reference for measuring locations on its surface.
Term
Which datum is the most accurate overall and give an example?
 Definition
An earth centered datum; WGS1984.
Term
What is a local datum spheroid?
 Definition
A datum aligned closely to fit the earth's surface in a particular area.
Term
What are the two most often used datums in NA?
 Definition
NAD27 and NAD83.
Term
What does precision represent within ArcGIS?
 Definition
Number of significant digits to store coordinate values.
Term
What does accuracy relate to?
 Definition
The quality of the results.
Term
How are precision and accuracy distinguished from each other?
 Definition
Precision relates to the quality of an operation by which a result is obtained. Accuracy relates to the quality of the result.
Term
What is the definition of map scale?
 Definition
The ratio of map distance to ground distance.
Term
What does a small scale map depict?
 Definition
Large ground area with little detail.
Term
What does a large scale map depict?
 Definition
Small ground area with more detail.
Term
What is the fundamental component you work with in ArcMap?
 Definition
Map.
Term
What are the two views available to you in ArcMap?
 Definition
Data and layout view.
Term
Which view hides all map elements such as titles, north arrows, and scale bars?
 Definition
Data view.
Term
What do layers represent in ArcMap?
 Definition
A distinct type of feature such as runways or road centerlines.
Term
What component of ArcMap allows managing layers?
 Definition
The TOC.
Term
When ordering layers, where would you place a satellite image?
 Definition
On the bottom as a background.
Term
In the TOC, what does a gray check with a red explanation point indicate?
 Definition
Data is part of the map document, but referenced data is missing.
Term
To list the complete path of the later, which TOC tab would you use?
 Definition
Source.
Term
What is the purpose of data frames?
 Definition
To further organize data layers.
Term
Which menu is used to add a data frame?
 Definition
Insert.
Term
If your map document has more than one data frame, how do you toggle between them?
 Definition
Right-click the desired data frame and click activate.
Term
In which view can you see multiple data frames simultaneously?
 Definition
Layout.
Term
How would you set the data frame display units?
 Definition
Right-click the data frame and select properties.
Term
What results by dragging a feature layer from ArcCatalog and dropping it into ArcMap?
 Definition
A new layer.
Term
What does the acronym SDSFIE mean?
 Definition
Spatial data standards for facility, infrastructure, and environment.
Term
What do you call an organized collection of elements that you use to make or put on your map?
 Definition
Style.
Term
In the symbol selector dialog, what button is clicked to add the CADD/GIS Center Styles?
 Definition
More symbols.
Term
Runways represented as polygons display as what type of symbol?
 Definition
Fill.
Term
With the CADD/GIS Center stylesheet loaded, how would you access the transportation symbology?
 Definition
Expanding the dropdown list and selecting transportation.
Term
When using the SDSFIE browser, what are the various ways to browse?
 Definition
Structure, source, feature, alias, and keyword.
Term
What does the menu item Filters do?
 Definition
It selected the subset of SFDSFIE elements which can be viewed and printed in the browser.
Term
For the geodatabase builder to correctly work, what must be closed?
 Definition
ArcMap and ArcCatalog.
Term
Name the kinds of geodatabase elements.
 Definition
Feature datasets, feature classes, feature subtypes, table classes, relationship classes, and domains.
Term
What is the two-step process of the builder?
 Definition
Build the list of candidates to add to the geodatabase, then add information about the feature classes/table classes in the candidate list to the geodatabase.
Term
When you display x,y data, which type of data feature is represented?
 Definition
Points.
Term
When you add a table without feature to ArcMap, the TOC automatically changes to which view?
 Definition
Source.
Term
Before you can use a shared folder on the network, what must happen?
 Definition
You must be connected to the network.
Term
How do you access the ArcCatalog's option dialog?
 Definition
From the tools menu.
Term
Which option dialog is selected to customize the details view?
 Definition
Contents.
Term
What is indicated when the details button is disabled on the standard toolbar?
 Definition
A shapefile or map document.
Term
Which tab button is clicked to edit metadata from the options dialog?
 Definition
Metadata tab edit button.
Term
How many raster bands are better suited for satellite imagery?
 Definition
Four.
Term
What is the advantage of pyramids?
 Definition
It allows data to display quickly.
Term
What are the four types of views in ArcCatalog's contents tab?
 Definition
Large icon, list, details, and thumbnail.
Term
Which view in the ArcCatalog's content tab displays a snapshot illustrating the contents?
 Definition
Thumbnail.
Term
In ArcCatalog's preview tab with the mode set to table, how do you sort data?
 Definition
Select column right-click, select sort ascending or descending.
Term
ArcToolbox for ArcView and ArcEditor contain tools for what applications?
 Definition
Data conversion and management.
Term
ArcView, ArcEditor, and ArcToolbox contain approximately how many tools?
 Definition
Over 20.
Term
Which raster data represents land use, temperature, or elevation?
 Definition
Thematic.
Term
How are thematic or spectral raster displayed compared to other geographic data?
 Definition
As a background.
Term
What is defined as the ratio of screen pixels to dataset pixels at the current map scale?
 Definition
Raster resolution.
Term
What raster resolution ratio indicates you have reached the best display?
 Definition
1:1.
Term
What is known as the image rectification process?
 Definition
Geometric transformation.
Term
Shifting all raster coordinates equally is employing what type of geometric transformation?
 Definition
Translation.
Term
The Georeferencing toolbar is accessed via which ArcMap menu?
 Definition
View.
Term
What is the digitizing process?
 Definition
Converting features on a paper map into digital format.
Term
What is free-hand digitizing from an image in ArcMap?
 Definition
Heads-up digitizing.
Term
Heads-up digitizing is best used for which level of accuracy?
 Definition
Planning.
Term
Which ArcMap tool is used during heads-up digitizing?
 Definition
Sketch tool.
Term
Which button is selected to attribute a newly created feature?
 Definition
Attribute button.
Term
When are edits only saved in the digitizing process?
 Definition
When the edits are acceptable.
Term
GIS is an acronym for?
 Definition
Geographic Information System.
Term
What is the most vital element of GIS?
 Definition
People.
Term
Who collects map layers from the most accurate source available?
 Definition
Map builder.
Term
Which option is a component of the fundamental GIS element "data"?
 Definition
GPS, hard copy maps, digital imagery, coordinates.
Term
With GIS you can model spatial data features in what ways?
 Definition
Triangulated Irregular Network (TIN), raster, and vector.
Term
In reference to GIS data models, vector features are:
 Definition
Geographic features located on the earth's surface.
Term
Which data model type is an efficient way to accurately model continuous surfaces?
 Definition
TIN.
Term
Each GIS feature is:
 Definition
Spatially located and has a record in an attribute table.
Term
Under which GeoBase concept does each installation create, manage, maintain, and control datasets that pertain to the installation?
 Definition
Garrison GeoBase.
Term
The capability to effectively identify potential operational locations is part of which process?
 Definition
Expeditionary Site Survey Process (ESSP).
Term
ESSP is a subset of:
 Definition
An overall Expeditionary Site Planning (ESP).
Term
What is the governing document for the ESSP?
 Definition
AFI 10-404, Base Support and Expeditionary Site Planning.
Term
Federal Imagery sources include:
 Definition
Eagle Vision and the Air Force Geospatial Product Library.
Term
Examples of ancillary information sources for satellite imagery are:
 Definition
Contingency General Plans, Base Support Plans, Employment Knowledge Base.
Term
Horizontal lines in a geographic coordinate system are referred to as:
 Definition
Parallels.
Term
What is the preferred name for zero latitude.
 Definition
Equator.
Term
Where are the equator prime meridian intersect in a geographic coordinate system is a:
 Definition
Graticule.
Term
Within a geographic coordinate system, the earth is divided into how many sections?
 Definition
Four.
Term
Lines of latitude and longitude are:
 Definition
Not uniform units of measure.
Term
A coordinate system is sometimes referred to as the:
 Definition
Spatial reference.
Term
A map projection reduces distortion in the following properties:
 Definition
SADD.
Term
What kind of map projection is generated to preserve the area?
 Definition
Equal area.
Term
The most recent earth-centered datum developed is:
 Definition
WGS1984.
Term
When applying a projection, a datum provides:
 Definition
More accurate coordinate values.
Term
Within ArcGIS, precision represents the:
 Definition
Number of significant digits used to store coordinate values.
Term
Precision is important for:
 Definition
Accurate feature representation and analysis.
Term
A scale is used to:
 Definition
Represent the amount the earth's surface has been reduced on a map.
Term
A large scale map represents a:
 Definition
Small ground area.
Term
The GIS application used for all map-based tasks including cartography, map analysis, and editing is:
 Definition
ArcMap.
Term
ArcMap components can be viewed either in:
 Definition
The data view or the layout view.
Term
In ArcMap, maps are stored and managed as:
 Definition
Documents stored on your computer disk and managed by ArcCatalog.
Term
Which view in ArcMap is an all-purpose view for exploring, displaying, and querying geographic data?
 Definition
Data.
Term
Map elements such as titles, north arrows, and scale bars are:
 Definition
Hidden in the data view.
Term
Which ArcMap view is used to create a hardcopy map to use at a commander's call?
 Definition
Layout view.
Term
Which ArcMap component is a virtual page in which you place and arrange map elements?
 Definition
Layout view.
Term
How do you changes in the layer data affect the map?
 Definition
Changes the map.
Term
How are layers managed within ArcMap?
 Definition
By the Table of Contents (TOC).
Term
To view multiple data frame layers simultaneously in ArcMap, you must be in the:
 Definition
Layout view.
Term
To toggle between the data frames, right-click the data frame and then click:
 Definition
Activate.
Term
In ArcMap, the Data Frame Properties dialog contains how many tabs in which to manipulate the data frame?
 Definition
11.
Term
In ArcMap, which tab adjusts map units in the Data Frame Properties dialog?
 Definition
General.
Term
As the layer is added to the map, ArcMap symbolizes the data:
 Definition
Randomly.
Term
In the ArcMap layers properties dialog, symbology tab, which window allows you to select the category of symbol?
 Definition
Show.
Term
SDSFIE is an acronym for:
 Definition
Spatial data standards for facilities, infrastructure, and environment.
Term
Which installation office determines the SDSFIE layer symbology that is used with base maps?
 Definition
Geographic integration office.
Term
How many filters may be selected at one time?
 Definition
One.
Term
The geodatabase builder provides a tool for generating:
 Definition
Feature classes, datasets, subtypes, table classes, relationship classes, and domains.
Term
Feature datasets are a collection of:
 Definition
Feature classes.
Term
The geodatabase builder is designed to:
 Definition
Connect and read the contents of an existing geodatabase.
Term
X,Y coordinates in ArcMap describe:
 Definition
Discrete locations on the earth's surface.
Term
In ArcMap, once x,y coordinates are added to the map, the layers behave like a:
 Definition
Point feature.
Term
When adding an x,y coordinate table to ArcMap, the TOC automatically shifts:
 Definition
To or remains in the source tab.
Term
Will adding an x,y coordinate table to ArcMap automatically display the coordinates point?
 Definition
No, the table must be right-clicked and then click display x,y data.
Term
In ArcCatalog options dialog, which option is not a details view column choice?
 Definition
Folder.
Term
In ArcCatalog options dialog, how do you turn off folder connections?
 Definition
Folder connection cannot be turned off.
Term
Aerial photographs and satellite images are normally which type of raster dataset?
 Definition
4 band.
Term
A lower resolution copy of the raster data displays quickly when drawing the entire dataset:
 Definition
With pyramids.
Term
What type of file is created when pyramids are created for raster images?
 Definition
.rrd
Term
What are ArcCatalog's three default tabs?
 Definition
Contents, preview, metadata.
Term
ArcToolbox is a simple application containing many tools used for:
 Definition
Geoprocessing.
Term
What ArcGIS combination is required to access 150 tools for geoprocessing, map sheet management, overlay analysis, and map projection?
 Definition
ArcToolbox, and ArcInfo.
Term
What are geographic features represented by divided discrete squares called?
 Definition
Raster.
Term
Raster image rectification is a process known as:
 Definition
Geometric transformation.
Term
When changing the geometry of a raster dataset from one coordinate space to another, the translation process:
 Definition
Shifts all the coordinates equally.
Term
Rasters can represent:
 Definition
Thematic, spectral, and picture data.
Term
To perform the digitizing process, ArcMap must be in what type of session?
 Definition
Edit.
Term
What is considered the most versatile geographic data representation suited for geographic objects that have distinct boundaries?
 Definition
Vector features.
Term
What describes both the coordinate system and spatial domain extent for a feature dataset or feature class in geodatabase?
 Definition
Spatial reference.
Term
How do features maintain their attributes in a feature class table?
 Definition
As fields.
Term
Define attributes.
 Definition
Standards and custom properties of features which can be numeric, textual, or descriptive.
Term
What are subtypes?
 Definition
Features divided logically within a feature class.
Term
What is a two-dimensional graph called?
 Definition
Planar topology.
Term
How are geodatabase feature class properties accessed?
 Definition
Click the desired feature class, right-click to open the context menu, and then click the properties option.
Term
What is an alias name with respect to feature classes?
 Definition
It is an alternative name specified for fields, tables, and feature classes that is more descriptive and user friendly than the actual name of these items.
Term
What feature class property tab lists the fields contained in the feature class and the data type associated with the field?
 Definition
Fields tab.
Term
What does precision describe?
 Definition
The number of system units per one unit of measure.
Term
What is the default index for most feature classes?
 Definition
OBJECTID.
Term
What is an index used for in a database?
 Definition
To speed searching for records in tables or spatial features in geographic datasets.
Term
What is the limit of characters in a subtype description?
 Definition
160 characters.
Term
When editing a subtype feature class, where do you select the subtype feature?
 Definition
In the edit toolbar target window.
Term
Give two examples of how field aliases should clearly describe measurements.
 Definition
M for meters, KM for kilometers.
Term
Why would attribute data in a GIS database often be abbreviated, coded, or unformatted?
 Definition
To make the data easier to store and maintain.
Term
Where would you determine an existing attribute or assign a particular attribute to a feature class field?
 Definition
Feature class properties dialog, fields tab.
Term
What does "null value are allowed" in an attribute field mean?
 Definition
Fields can remain blank.
Term
How do ArcCatalog and ArcMap differ in the way attribute fields names are displayed?
 Definition
ArcCatalog displays the field name while ArcMap displays the field alias.
Term
What are attribute domains?
 Definition
Rules that describe the legal values of a field type.
Term
What are the two different types of attribute domains?
 Definition
Range domains and coded value domains.
Term
Which domain specifies a valid range of values for a numeric attribute?
 Definition
A range domain.
Term
What component properties manage domains?
 Definition
Geodatabase.
Term
Following SDSFIE naming convention policy, what are the first two characters of a SDS domain table?
 Definition
d_.
Term
Coded values correspond to the attributes which equate to what?
 Definition
Attribute pick list.
Term
To associate a domain to a feature class field, what must you open in the geodatabase?
 Definition
The feature class properties field tab.
Term
The geodatabase is a collection of what?
 Definition
Datasets, feature classes, object classes, and relationship classes.
Term
The geodatabase has the ability to store what two types of information in one database?
 Definition
Feature coordinate and attribute information.
Term
When referring to geographic features, what do feature classes include?
 Definition
Points, lines, polygons, and annotations.
Term
What do we call a container of feature classes that share a common coordinate system?
 Definition
Feature dataset.
Term
What are two-dimensional shapes that represent broad geographic features stored as a series of segments that enclose an area?
 Definition
Polygon.
Term
What is the table in geodatabase with which you can associate behavior?
 Definition
Object class.
Term
What table stores the relationship between features or objects into feature class or tables?
 Definition
Relationship class.
Term
The native data format for all ArcGIS applications is the:
 Definition
Geodatabase.
Term
In reference to geodatabase feature class, descriptive labels which are associated with features and display names and attributes are:
 Definition
Annotation.
Term
Feature datasets are a container of feature classes that share a common:
 Definition
Coordinate system.
Term
In a geodatabase, the shape of a feature is stored as a special field:
 Definition
In the feature class table of type geometry.
Term
Logically dividing features within a feature class is an example of:
 Definition
Subtype.
Term
A road surface that adjoins a parking area without the possibility of gaps or overlap is an example of:
 Definition
Topology.
Term
Which geodatabase feature class properties dialog tab is used for renaming?
 Definition
General.
Term
What special data structure is used in a database to speed searching for records in tables or spatial features in geographic datasets?
 Definition
Index.
Term
Subtype editing requires which ArcGIS program license?
 Definition
ArcInfo.
Term
What type of map can directly display and query the tabular attribute information?
 Definition
Interactive map.
Term
In an interactive map, null values allowed in a field means the field:
 Definition
Can remain blank.
Term
The following statements is an example of which domain in the geodatabase? For certain aircraft, the distribution of fuel can have a pressure requirement between 50 and 75 psi.
 Definition
Range.
Term
Which domain in the geodatabase corresponds to attributes that equate to a pick list of choices for attributing?
 Definition
Coded value.
Term
To add codes and description to a coded value domain table, which dialog is accessed?
 Definition
Geodatabase properties.
Term
Identifying your objective is usually associated with what?
 Definition
A series of questions.
Term
What are reports, working maps, and presentation-quality maps usually considered?
 Definition
Final products of the project.
Term
Why is identifying your object an important step in creating a GIS project?
 Definition
Because the answers to the questions determine the scope of the project.
Term
What is the purpose of a disclaimer on your map?
 Definition
To explain exactly as its intended purpose and not the purpose.
Term
What are the three steps in creating a database?
 Definition
Designing the database, automatic and gathering data, and managing the database.
Term
Which modeling functions are used for calculating distances, generating buffers, and calculating area and perimeter?
 Definition
Geometric modeling functions.
Term
Which analysis type is conceptually the same as sticking pins in a wall map?
 Definition
Distribution.
Term
Which analysis type is also called a spatial query?
 Definition
Location query.
Term
Which analysis type is also called aspatial query?
 Definition
Attribute queries.
Term
What type of GIS analysis involves joining two existing sets of features into a single new set of features?
 Definition
Overlaying.
Term
Statistics and summarizing involve which type of queries?
 Definition
Tabular attribute queries.
Term
To gain access to the attribute table, right-click the desired layer then?
 Definition
Click open attribute table.
Term
In the statistics dialog, what does the count value mean?
 Definition
Show you how many records the statistics are for.
Term
In the statistics dialog, a chart displaying how the cost values are dispersed is in a window called?
 Definition
Frequency distribution.
Term
How is the summarize dialog accessed?
 Definition
Select the desired attribute field for summary, right-click, and then click summarize.
Term
The results of a summary are in what form?
 Definition
A table.
Term
What powerful language do you use to define one or more criteria that can consist of attributes, operates, and calculations?
 Definition
SQL.
Term
Name two of the four methods of selecting by attribute?
 Definition
Create a new selection, add to current selection, remove from current selection, select from current selection.
Term
The buffer wizard is access from which menu?
 Definition
Tools.
Term
When creating a buffer at a specified distance, how many rings will be created?
 Definition
One ring at a certain distance.
Term
How can buffers be saved?
 Definition
As a graphic in the data frame.
Term
The three step process of creating a database is:
 Definition
Designing the database, automating and gathering data, and managing the database.
Term
Calculating distances, generating buffers, and calculating area and perimeters are examples of which modeling function?
 Definition
Geometric.
Term
Which response is considered a final product of creating a GIS project?
 Definition
Presentation-quality maps.
Term
Perhaps the simplest form of GIS analysis is:
 Definition
Distribution of data.
Term
What type of query finds features based on where they are?
 Definition
Location.
Term
The attribute analysis type partly depends on:
 Definition
The attribute you're working with.
Term
To perform a statistical attribute query, the field must be:
 Definition
Numerical.
Term
In statistical attribute query, displaying how the cost values are dispersed is shown in the:
 Definition
Frequency distribution window.
Term
The select by location dialog's selection methods are:
 Definition
Spatial relationships on which the selection will be used.
Term
The buffer wizard contains how many panels?
 Definition
3.
Term
Which location is not a place to save a buffer?
 Definition
Inside and outside a polygon.
Term
What is the CIP?
 Definition
Common Installation Picture.
Term
What does the CIP serve as the foundation for?
 Definition
The USAF Comprehensive Planning C-1 Installation Layout Map, commonly known as the C-Tab.
Term
Who maintains the CIP and where is it served?
 Definition
CE maintains it at the NCC.
Term
What is attribution?
 Definition
Non-spatial information that can be associated with spatial map features. Examples are building descriptions, real property information, etc.
Term
What is a foreign key?
 Definition
A value in a relational database that is unique for each record.
Term
What is a primary key?
 Definition
A value in a database table.
Term
How shall the CIP be organized and documented?
 Definition
By the SDSFIE and using the FGDC CSDGM.
Term
What types of features are covered in the minimum required CIP layers?
 Definition
Area features, linear features, point features, and imagery.
Term
What are Mission Data Sets?
 Definition
Geospatial data layers supporting one or more functional community's specific missions or processes.
Term
Where should the MDS be stored?
 Definition
With the CIP in the NCC.
Term
How should the MDS be organized and documented?
 Definition
By the SDSFIE and using the FGDC CSDGM.
Term
CIP is an acronym for:
 Definition
Common Installation Picture.
Term
The CIP replaces the more commonly known:
 Definition
C-Tab.
Term
Who maintains the CIP?
 Definition
Civil Engineering.
Term
What is attribution?
 Definition
Non-spatial information that can be associated with spatial map features.
Term
What is an example of a primary key?
 Definition
Building number.
Term
Which is an example of an area feature that is found as one of the minimum required CIP layers?
 Definition
Rivers and other bodies.
Term
Where should the MDS be stored?
 Definition
With the CIP in the NCC.
Term
What is an example of a MDS?
 Definition
Defensive positions maintained by security.
Term
What is a "fused installation picture"?
 Definition
The combination of CIP and MDS layers.
Supporting users have an ad free experience!