Practical questions

1- ..................... Technique to present data in a graphical format

a. Tableau
b. Dashboard
c. Data Visualization
d. Story
2- Why do we visualize data?
a. Making data attractive and easily digestible
b. Identifying relationships and trends within a set of data
c. Telling a story found within the data.
d. Highlighting the important parts of a set of data
e. All of above
3- Business and analytical tool, that help people to understand and visualize data with extreme accuracy
a. Tableau
b. Dashboard
c. Data Visualization
d. Story
4- Tableau allows the creation of three main types of output projects:
a. Worksheets
b. Dashboards
c. Stories
d. All of above
5- Numeric data types :
a. Nominal , continuous
b. Ordinal ,discrete
c. Discrete , continuous
d. Ordinal , Nominal
6- Categorical data types:
a. Nominal , continuous
b. Ordinal ,discrete
c. Discrete , continuous
d. Ordinal , Nominal
7- Data that can be split into categories.
a. Numeric
b. Categorical
c. Discrete
d. Continuous
8- There is no particular importance to the grouping order and there is no rank among the categories.
a. Numeric
b. Nominal
c. Discrete
d. Ordinal
9- found in ordinal data sets have an importance within their order.
a. Numeric
b. Nominal
c. Discrete
 d. Ordinal
10- Is your standard numbered data
a. Numeric
b. Nominal
c. Discrete
d. Ordinal
11- Dimensions contain ………………….values , Measures: Contain………………. Values.
a. Qualitative, Nominal
b. Qualitative, Quantitative
c. Quantitative, Discrete
d. Quantitative, Qualitative
12- ……………….. allows values to be easily measured and compared. For this reason, length is typically used with bar
graphs.
a. Length
b. Size
c. Color
d. Shape
13- In short, ………………….helped to compare the relative amount of sales among the categories; while ……………
helped easily tell the rank of each category.
a. Length, position
b. Size , shape
c. Position , Length
d. Shape, size
14- To declare hierarchy :
a. Analysis -> right click -> hierarchy -> create hierarchy
b. fields -> right click -> hierarchy -> create hierarchy
c. Map -> right click -> hierarchy -> create hierarchy
d. None
15- …………………….is a type of plot which displays information as a series of data points called ‘markers’ connected by
straight line segments.
a. Scatter Plots
b. Chart plots
c. Line Plots
d. None
16- ……………………………is often implemented with scatter or dot plots to add another dimension to our data.
a. Length
b. Size
c. Color
d. Shape
17- Size is a quick way to judge the magnitude of a certain quality compared to the magnitude of another
a. True
b. False
18- Tableau has automatic................, which means that if you have a field that contains country names, or zip
codes, or even airport locations and you set your field to be a geographic data typ.
a. Coding
b. Uncoding
 c. Geocoding
d. None
19- Draw symbols like circle, squares to display your data at the intersection of latitude and longitude.
a. Symbol map
b. Filled map
c. A and b
d. None
20- Displays data using color encoding. Geographic types such as country or states can be represented by filled
maps.
a. Symbol map
b. Filled map
c. A and b
d. None

21- is refer to:

a. Symbol map
b. Filled map
c. A and b
d. None

22- is refer to:

a. Symbol map
b. Filled map
c. A and b
d. None
23- What is not the join types that tableau supported it:
a. Inner
b. Left
c. Right
d. Full
e. None
24- ……………….is a method for combining the related data on those common fields.
a. Inner
b. Union
c. Join
d. Full
25- Includes all values from the left table and corresponding matches from the right table
a. Inner
b. Left
c. Right
d. Full
e. None
26- Includes all values from the right table and corresponding matches from the left table
a. Inner
b. Left
c. Right
d. Full
e. None
27- includes values that have matches in both tables.
a. Inner
b. Left
c. Right
d. Full
e. None
28- includes all values from both tables.
a. Inner
b. Left
c. Right
d. Full
e. None
29- In right join, when a value in the left table doesn't have a corresponding match in the right table, you see a null
value in the join results.
a. True
b. False
30- In right join, When a value in the right table doesn't have a corresponding match in the left table, you see a null
value in the join results
a. True
b. False
31- ……………..Is a method for combining data by appending rows of one table onto another table.
a. Inner
b. Union
c. Join
d. Full
32- …………………….. These calculations are performed for every row of underlying data.
a. View Level calculations
b. Row Level calculations
c. A and B
d. table calculation
33- ………………….detail is defined by fields used as dimensions in the view.
a. View Level calculations
b. Row Level calculations
c. A and B
d. table calculation
34- Both basic calculations and table calculations use functions to compute results.
a. True
b. False
35- ……………………… is a transformation you apply to the values in a visualization
a. View Level calculations
 b. Row Level calculations
c. A and D
d. table calculation
36- You can use table calculations for a variety of purposes
a. Transforming values to rankings
b. Transforming values to show running totals
c. Transforming values to show percent of total
d. All of above
37- LOD is stand for Level of Detail
a. False
b. True
38- LOD expressions give you even more control on the level of granularity you want to compute
a. False
b. True
39- ……………… is a visual display of the most important information needed to achieve one or more objectives;
consolidated and arranged on a single screen so the information can be monitored at a glance.
a. Tableau
b. Dashboard
c. Data Visualization
d. Story
40- What makes a good dashboard?
a. Answers a set of questions.
b. Specific to and customized for the dashboard’s audience and objectives
c. Provides appropriate text for clarity and direction, if needed.
d. Makes strategic use of color.
e. All of above