[2024年01月17日] 手に入れよう!最新Desktop-Specialist日本語認定された有効な試験問題集解答 [Q23-Q48]

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[2024年01月17日] 手に入れよう!最新Desktop-Specialist日本語認定された有効な試験問題集解答

100%合格率保証付きの素晴らしいDesktop-Specialist日本語試験問題PDF

質問 # 23
売上が30,000を超える顧客名を含むセットを作成します。このセットで最も売上が少ない顧客はどれですか?

  • A. ペネロペセウォール
  • B. トムアッシュブルック
  • C. タマラチャンド
  • D. Sanjit Engle

正解:A

解説:
Explanation
As the question mentions, we need to create a SET with the following conditions -> Choose only those customers whose Sales > 30,000
1) Right click on customer name --> Create --> Set

2) Let's Name the Set - Customer>30k ( you can name it anything you want :) ) Select USE ALL, and then move to the CONDITION TAB:

3) In the Condition Tab, Choose BY FIELD -> Select Sales -> Sum -> Greater than 30000 , and click OK

4) You should now have a new Set in the Data Pane as follows:

5) Drag this set to the rows shelf, and click on SHOW MEMBERS IN SET. Now drag Sales to the Column Shelf.

6) Click on the Show Mark Labels, and Sort ascending icons as shown:

7) Voila! We have our answer:
c


質問 # 24
______________を色にドラッグすると、アイテムごとに異なる色が作成されますが、
______________色を付けるとグラデーションが作成されます

  • A. 地理的価値、離散的価値
  • B. 経度、緯度
  • C. 離散値、連続値
  • D. 連続値、離散値

正解:C

解説:
Explanation
Remember that dragging a discrete value to colour creates distinct colours for each item whereas dragging a continuous value to colour creates a gradient. ( Same for Map ) From the official documentation:


質問 # 25
Tableauで使用できるクイックフィルターのタイプではないものはどれですか?

  • A. 単一値(スライダー)
  • B. 正規表現の一致
  • C. 複数の値(ドロップダウン)
  • D. ワイルドカードマッチ

正解:B

解説:
Explanation
Upon clicking on a filter, we see the following options:

Clearly, Regex Match is not one of these options!


質問 # 26
大まかに言えば、Tableau Desktopにデータセットをインポートした後、その中のすべてのフィールドは次のように分類されます。
_______________________

  • A. 寸法と寸法
  • B. 数字とヘッダー
  • C. 行と列
  • D. ラベルと値

正解:A

解説:
Explanation
When you connect to a new data source, Tableau assigns each field in the data source as dimension or measure in the Data pane, depending on the type of data the field contains. You use these fields to build views of your data.
Further,


質問 # 27
Tableauの__________________を使用して、データをクリーンアップ/整理できます。

  • A. データマネージャー
  • B. データクリーナー
  • C. データオーガナイザー
  • D. データインタプリタ

正解:D

解説:
Explanation
When you track data in Excel spreadsheets, you create them with the human interface in mind. To make your spreadsheets easy to read, you might include things like titles, stacked headers, notes, maybe empty rows and columns to add white space, and you probably have multiple tabs of data too.
When you want to analyze this data in Tableau, these aesthetically pleasing attributes make it very difficult for Tableau to interpret your data. That's where Data Interpreter can help.


質問 # 28
正誤問題:フィールドを複数の階層に追加することが可能

  • A. 本当
  • B. 偽

正解:A

解説:
Explanation
Yes! It is possible to duplicate a field and add it to more than one hierarchy. Right click and choose duplicate.


質問 # 29
正誤問題:両方のテーブルのすべての行が内部結合で返される

  • A. 本当
  • B. 偽

正解:B

解説:
Explanation
The INNER JOIN keyword selects all rows from both tables as long as there is a match between the columns.
Consider 2 tables "Orders" and "Customers".
If there are records in the "Orders" table that do not have matches in "Customers", these orders will not be shown!


質問 # 30
Tableau 2020.1で導入された新機能ではないものは次のうちどれですか?

  • A. Vizアニメーション
  • B. 動的パラメータ
  • C. コントロールを設定
  • D. バッファ計算

正解:C

解説:
Explanation
Your Tableau Desktop Specialist exam will be based on the 2020.1 version.
Set controls are a new feature introduced in the 2020.2 version, and hence is the correct answer - it is not a part of 2020.1 For the 2020.1 version the new features were:
1) Viz animations:
Viz animations help you see and understand your changing data. It's easy to track the logical steps behind data's evolution and tell powerful data stories. Sorting, filtering, adding fields, and other actions will now smoothly animate your visualizations. Choose whether to turn Viz Animations on or off, and decide how you'd best like to apply animations to your new workbooks.

2) Dynamic Parameters:
Say goodbye to republishing workbooks with parameters every time the underlying data changes. Set your parameter once, and Tableau will automatically update the parameter's list of values every time someone opens the workbook.

3) Buffer Calculations:

Buffer calculations allow you to visualize the distance around point locations. Give Tableau three parameters-location, distance, and a unit of measure-and a buffer, or boundary is instantly created.
Answering complex spatial questions becomes easier than ever before-visualize what properties are within
200 meters of a proposed transit site, or how many competitors' stores are within 1 mile of their store, and more.


質問 # 31
あるテーブルから別のテーブルに値(行)を追加することで、データを_______________して2つ以上のテーブルを組み合わせることができます。

  • A. ブレンド
  • B. 参加
  • C. ユニオン
  • D. 連結

正解:C

解説:
Explanation
You can union your data to combine two or more tables by appending values (rows) from one table to another.
To union your data in Tableau data source, the tables must come from the same connection.
For example, suppose you have the following customer purchase information stored in three tables, separated by month. The table names are "May2016," "June2016," and "July2016."

A union of these tables creates the following single table that contains all rows from all tables.


質問 # 32
CoffeeChainテーブルを使用して、各製品タイプの売上(棒グラフ)と利益(折れ線グラフ)を示す2軸グラフを作成します。 2013年のハーブティー製品タイプの利益はどのくらいでしたか?

  • A. 74,683
  • B. 46,493
  • C. 37,455
  • D. 68,620

正解:C

解説:
Explanation
If you answered this question quickly and correctly, you're well prepared for the exam! Most students stumble while creating a Dual axis chart, so go ahead and give yourself a pat on the back!
To create a dual axis chart for the problem mentioned:
1) Drag Product Type to the column shelf, and Sales and Profit to the Row shelf:

2) Now, to focus on 2013, drag Date to the filter shelf and select only 2013:


3) Now, click on the Profit pill in the Rows Shelf, and select dual axis:

4) Now, in the marks shelf, choose Sales, and change the chart type to bar. Similarly, for Profit, change the chart type to Line.

Now the chart looks like this:

Now we change the Profit chart type to line:


5) Finally, we synchronise the axis as follows: Right click on the axis, and choose 'Synchronise axis'

And, our final view and answer is:


質問 # 33
Tableauで1人あたりのGDPをどのように計算しますか?

  • A. SUM([人口] / [GDP]])
  • B. SUM([GDP] * [POPULATION])
  • C. SUM([GDP] / [POPULATION])
  • D. SUM([GDP])/ SUM([人口])

正解:D

解説:
Explanation
GDP / Population = GDP Per Capita

Here Sum is a function, / and + are operators. On the bottom there are comments.


質問 # 34
Tableauでは最大______個のテーブルを結合できます

  • A. 0
  • B. 1
  • C. 2
  • D. 3

正解:C

解説:
Explanation
It is possible to join a maximum of 32 tables in Tableau!


質問 # 35
Tableauでアニメーションを使用する場合、アニメーションのデフォルトの期間は次のうちどれですか?

  • A. 0.4秒
  • B. 0.5秒
  • C. 0.2秒
  • D. 0.3秒

正解:D

解説:
Explanation
The LATEST Tableau Desktop Sepcialist exam blueprint now requires you to know some basics about animations as well!
NOTE: Animations are DISABLED by default and must be manually enabled.


You can also reset all settings to default by clickin on 'Reset All'


質問 # 36
Tableauのビューのマークに色を追加するにはどうすればよいですか?

  • A. 列/行のシェルフで、フィールドを右クリックし、[シェルフで編集]をクリックして色を選択します。
  • B. [データ]ペインで、フィールドを[マーク]カードの[色]にドラッグします。
  • C. 上のメインメニューの[データ]をクリックし、[色の選択]をクリックします。
  • D. [分析]ペインから、モデルを[マーク]カードの[色]にドラッグします。

正解:B

解説:
Explanation
To assign a color to marks in the view, do the following:
From the Data pane, drag a field to Color on the Marks card.
Tableau applies different colors to marks based on the field's values and members. For example, if you drop a discrete field (a blue field), such as Category, on Color, the marks in the view are broken out by category, and each category is assigned a color.

If you drop a continuous field, such as SUM(sales), on Color, each mark in the view is colored based on its sales value.


質問 # 37
棒グラフがあるとします。ビュー内のラベルでグループ化すると、次のうちどれが発生しますか?

  • A. 選択したメンバーの色は同じになり、残りのメンバーでは異なります。
  • B. ビューでは何も変更されませんが、ディメンションシェルフにグループが作成されます。
  • C. グループのすべてのメンバーを統合する新しいマーク(バー)が作成されます。
  • D. トリックの質問!ラベルでグループ化することはできません。

正解:C

解説:
Explanation
*Very important question*
If we select the labels in the view and then group, a new consolidated mark is created - in our case bar since we are talking about a bar chart in the question. See below:

Then on grouping, a new bar is created, and the colour of all bars remain the same.

Had we grouped by choosing the marks instead of the labels, the following would be the result:


質問 # 38
次のうちどれが与えられた数の絶対値を返しますか?

  • A. CEILING(Number)
  • B. ABS(番号)
  • C. FLOOR(数値)
  • D. ZN(数値)

正解:B

解説:
Explanation
From the official Tableau website:




質問 # 39
Tableauのストーリーポイントは何ですか?

  • A. 単一のワークシートまたはダッシュボード
  • B. ダッシュボードのコレクション
  • C. ワークシートのコレクション
  • D. ワークシートとダッシュボードの両方のコレクション

正解:A

解説:
Explanation
In Tableau, a story is a sequence of visualizations that work together to convey information. You can create stories to tell a data narrative, provide context, demonstrate how decisions relate to outcomes, or to simply make a compelling case.
A story is a sheet, so the methods you use to create, name, and manage worksheets and dashboards also apply to stories (for more details, see Workbooks and Sheets). At the same time, a story is also a collection of sheets, arranged in a sequence. Each individual sheet (worksheet or dashboard) in a story is called a story point.
When you share a story -for example, by publishing a workbook to Tableau Public, Tableau Server, or Tableau Online-users can interact with the story to reveal new findings or ask new questions of the data.


質問 # 40
Tableauで視覚化するための軸はいつ作成されますか?

  • A. メジャーを行/列シェルフにドラッグするとき
  • B. 連続フィールドを行/列シェルフにドラッグするとき
  • C. ディメンションを行/列シェルフにドラッグするとき
  • D. 離散フィールドを行/列シェルフにドラッグするとき

正解:B

解説:
Explanation
An Individual Axis in Tableau is obtained by adding a continuous into Rows or Columns Shelf.
Example:
In order to show Individual Axis in Tableau First, we drag and drop the Color from Dimension shelf to Column Shelf. Next, we drag and drop the Sales Amount from measures shelf to Rows Shelf. Since it is a continuous value, the Sales Amount will be aggregated to default Sum. Once you drag them, following Chart report will be generated.

Next, we drag and Drop one more measure value, i.e., Total Product Cost from Measures Region to Rows Shelf. Because it is a Measure value, Total Product Cost is aggregated to default Sum. From the below screenshot, you can observe that Tableau has created an individual axis for each measure (continuous field).


質問 # 41
地理データテーブルを使用して、州ごとの売上を示すマップを作成します。ニューヨーク州(NY)の場合、白色の電話の品揃えの売上($)はどのくらいでしたか?

  • A. 33,768ドル
  • B. $ 16,581
  • C. $ 48,115
  • D. 147,950ドル
  • E. (正解)

正解:B

解説:
Explanation
Phew! Tricky one! You needed to use filters in this one.
Follow along:

2) Next, as the question mentions, we need to focus on the Assortment PHONE, the color WHITE, and the state of NEW YORK. -> so we use filters for this!
i) First drag Assortment to Filters, and select only Phones :

ii) Next, drag Color to Filters and Choose only White:

iii) Next, drag State ID to Filters, and choose New York (NY):


And Voila! We have our answer as follows:

iv) Last, drag Sales to Label:


質問 # 42
相対日付フィルターの場合、デフォルトのアンカーは_________________です。

  • A. 現在の時刻
  • B. 今日の日付
  • C. 目標日
  • D. 指定した日付

正解:C

解説:
Explanation
Relative date filters dynamically update to show a time period relative to when you open the view, such as the current week, the year to date, or the past 10 days. Relative date filters make it easy to create views that always show the most recent data.
Step 1: Drag a date field to the filter shelf
Right-click (control-click on Mac) and drag a date field from the Data window to the Filters shelf. In the Filter Field dialog box, click Relative Date, and then click Next.

Step 2: Select a time unit
In the Filter dialog box, click Relative dates, and then select the unit of time for the filter. For example, to show only the three most recent weeks, select Weeks.

Here, you can clearly see that the default date is TODAY


質問 # 43
デフォルトでは、ビューに配置されたメジャーは______________によって集約されます

  • A. 中央値
  • B. 平均
  • C. 合計
  • D. カウント

正解:C

解説:
Explanation
By default, measures placed in a view are aggregated by SUM, which means that the data for that field in all of the rows is combined. Measures can also be aggregated as average, median, count, or count distinct.


質問 # 44
はいまたはいいえ:ビューの寸法の数を増やすと、マークの数が増えます

  • A. いいえ
  • B. はい

正解:B

解説:
Explanation
Of course! As an example, see below:
1) Using the Sample Superstore data, let's plot a bar chart showing the Sales for each Category:

Observe that we have 3 marks - Each bar in a bar chart is called a mark. Similarly, each point in a scatter plot is also a mark , and so on for all charts.
1 row by 3 columns means that clearly on the y-axis (Sales), we have only a single mark - a single continous axis, but 3 different marks (Technology, Furniture and Office supplies ) on the x-axis.
2) Now let's add subcategory to the view as well (another dimension):

Observe that the number of marks has increased - i.e the number of Bars.
Also, notice we now have 1 row and 17 columns. Simply because 1 row = Sales (on the y-axis), and on the x-axis, we have 17 different columns (i.e product sub categories!!)


質問 # 45
スキップされたアイテム番号ID列の地理データと時系列テーブルに参加し、マップ上のすべての州のストア数を表示します。テキサス(TX)の2017年の店舗数はいくつですか?
アイテム番号ID列の地理データと時系列テーブルを結合し、マップ上のすべての州のストア数を表示します。テキサス(TX)の2017年の店舗数はいくつですか?

  • A. 336,908
  • B. 293,202
  • C. 592,593
  • D. 416,702

正解:D

解説:
Explanation
Since you need BOTH State and the YEAR, we need to use an Inner Join.
Follow the steps below:


質問 # 46
ワークシートをTableauで画像としてエクスポートする場合、次のファイル形式のどれを使用できますか?

  • A. ポータブルネットワークグラフィック(.PNG)
  • B. JPEG画像(.JPG、.JPEG)
  • C. タグ付き画像ファイル形式(TIFF)
  • D. Windowsビットマップ(.BMP)

正解:A、B、D

解説:
Explanation
The following options are available when an image is Exported:

NOTE: When we Copy an image rather than exporting it, then the image is copied to the clipboard in the TIFF file format! However, it is not available when EXPORTING an image.


質問 # 47
メタデータの管理オプションを使用すると、列のカスタム名を作成できます。ここで、_____________は列の元の名前ですが、_____________はTableauで作成したカスタム名です。

  • A. 列名、実際の名前
  • B. リモートフィールド名、フィールド名
  • C. ローカルフィールド、グローバルフィールド
  • D. ローカル名、実際の名前

正解:B

解説:
Explanation
Using the Sample superstore as a reference, click on the manage metadata icon as follows:

We can rename a particular column name to make it easier to remember and use in Tableau. Let's change Order ID to oID as shown:

Now, we'll see oID when using this data source in Tableau. This WILL NOT affect the original data source.
The remote field name let's us see what the name of the column is in the ORIGINAL Data source.


質問 # 48
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