Test 2

which geoprocessing or overlay operation chooses all the areas from both the first and second layers?

Union

a polygon layer and a point layer cannot be used as inputs for an INTERSECT overlay

false; they can

when you CLIP a layer using a bounding layer, the resulting layer will incorporate another from both the bounding layer and the input layer

false

a ____ buffer method generates buffers at various distances from a feature

nested

what feature will a point on polygon overlay function produce?

point

what will the result of a line on point overlay?

point

in a SQL query in a file geodatabase “__”indicates

one character

sensors that record data using 8 bits would have ___ digital values available

256

which of the following countries will be selected by a SQL query “Country_NAME>=R”?

United States of America

GPS is also a timing and ranging system

true

GPS codings are more accurate when the constellation of GPS satellites has a high PDOP (a well-spaced constellation)

true

how many satellites are present in EACH ORBIT of the NAVSTAR GNSS?

4 or more

NAVSTAR GPS master control station is located in

Colorado

“R” in NAVSTAR stands for

range

civilians can use only ___ carrier frequency in NAVSTAR GPS

L1

the geostationary satellites broadcast GPS reading correction is ____ system

WAAS

global navigation satellite systems (GNSS) ___ & ___ have global coverage

US NAVSTAR & Russian GLONASS

which of the following is the Chinese GNSS

BaDou

a PRN 28 refers to the GPS satellites that has been assigned the 28th segment of the ___

P code

what does WAAS (wide area augmentation system) contribute to GPS navigation?

enhanced accuracy and reliability

GPS receivers used in this class were equipped with WAAS capability

true

each GPS satellite is equipped with an atomic clock

true

it is a requirement of the FCC that all cell phone providers have high locational accuracy for these types of calls

only 911 calls

which factor is a common cause of multipath error in GPS measurements

signal reflections from surrounding surfaces

what is the primary purpose of geocoding in GIS

encoding text data into geospatial format

geocoding postal addresses in Japan is challenging due to

some numbers reflect the year of construction of the building

police often use ____ to record accident locations

linear reforming system

a composite address locator consists of the following components:

two or more address locations

in the US ___ is the most commonly used reference data for address locators

TIGER line files (street layer)

it is recommended to use dual ranges of US addresses in the address locater when

the intention is to find a house on a specific side of the street

this is a referencing system that computes the locations of EVENTS along a route

dynamic segmentation

the regions of the electromagnetic spectrum represents the heat emitted from the Earth’s surface

emitted infrared

a system’s ability to discriminate the very slight differences in energy is called the

radiometric resolution

microwave

1-1

visible regions

0.4-0.7

far infrared

3.0-100

near infrared

0.7-3.0

30 meter spatial resolution raster images have a higher spatial resolution than 10 meter spatial resolution raster images

false

a remote sensing data set is basically a collection of ____ radiations recorded by the sensors in a satellite, aircraft, etc.

reflected

an area on the surface imaged by a satellite’s sensor is called a

swath

the pixel values in an integer raster can be decimal

false

the origin of rows and columns is typically at the ____ in a raster

upper left corner

_____ is the length of time it takes for a satellite to complete one orbit cycle

temporal resolution

GPS stands for

global positioning system

distance between two cells in a raster is measured from the center of one cell to center of the other cell

true

this tool joins the attributes of two layers based on the location of the features in the layers

spatial join

if the data field type is “double” in an attribute table, you can enter names of the countries in that field

false

which of the following is an example for a nominal data?

gender

____ is an example of an interval data

temperature in degrees Fahrenheit or Celsius

how does differential GPS work?

it transmits correctional signals to navigation equipment by using a fixed, known position to adjust real time GPS signals and eliminate ranging errors