task_id
stringlengths 6
6
| question
stringlengths 12
399
| choices
sequencelengths 2
4
|
---|---|---|
k00101 | What is the command to add the remote repository "https://abc.xyz/d/e.git" as "origin"? | [
"git remote add origin https://abc.xyz/d/e.git",
"git origin=https://abc.xyz/d/e.git",
"git add origin https://abc.xyz/d/e.git",
"git remote https://abc.xyz/d/e.git"
] |
k00102 | What is the command to delete the branch "new-email" | [
"git delete new-email",
"git delete branch new-email",
"git gone new-email",
"git branch -d new-email"
] |
k00103 | What is the command to merge the current branch with the branch "new-email"? | [
"git add new-email",
"git commit -merge new-email",
"git merge new-email"
] |
k00104 | What is the option, when moving to a branch, to create the branch it if it does not exist? | [
"-b",
"-new",
"-newbranch",
"-all"
] |
k00105 | What is the command to move to the branch named "new-email"? | [
"git branch new-email",
"git branch -move new-email",
"git checkout branch new-email",
"git checkout new-email"
] |
k00106 | What is the command to create a new branch named "new-email"? | [
"git newBranch \"new-email\"",
"git add branch \"new-email\"",
"git branch new \"new-email\"",
"git branch new-email"
] |
k00107 | In Git, a branch is: | [
"Nothing, it is a nonsense word.",
"A separate version of the main repository.",
"A secret part of Git config.",
"A small wooden stick you can use to type commands."
] |
k00108 | What is the command to see the available options for the commit command? | [
"gitHelp commit",
"git commit -help",
"git commit readme",
"git commitHelp"
] |
k00109 | What is the command to view the history of commits for the repository? | [
"git history",
"git --full-log",
"git commits",
"git log"
] |
k00110 | What is the command to commit with the message "New email": | [
"git commit -log \"New email\"",
"git commit message \"New email\"",
"git commit -mess \"New email\"",
"git commit -m \"New email\""
] |
k00111 | What is the command to commit the staged changes for the Git repository? | [
"git snapshot",
"git com",
"git save",
"git commit"
] |
k00112 | Git commit history is automatically deleted: | [
"Every month.",
"Every year.",
"Every 2 weeks.",
"Commit history is never automatically deleted."
] |
k00113 | Git automatically adds new files to the repository and starts tracking them. | [
"True",
"False"
] |
k00114 | What is the command to initialize Git on the current repository? | [
"initialize git",
"start git",
"git init",
"git start"
] |
k00115 | What is the command to get the current status of the Git repository? | [
"git getStatus",
"git config --status",
"--status",
"git status"
] |
k00116 | What is the command to add all files and changes of the current folder to the staging environment of the Git repository? | [
"git add --files",
"git add --all",
"git add"
] |
k00117 | What is the command to set the user email for the current repository? | [
"git email.user",
"git config user.email",
"git config email"
] |
k00118 | Which option should you use to set the default user name for every repository on your computer? | [
"No need to specify, that is the default.",
"--all",
"--A",
"--global"
] |
k00119 | What is the command to get the installed version of Git? | [
"git --version",
"getGitVersion",
"gitVersion",
"git help version"
] |
k00120 | Git is the same as GitHub. | [
"False",
"True"
] |
k00121 | What is a correct syntax to create a NumPy array? | [
"np.createArray([1, 2, 3, 4, 5])",
"np.array([1, 2, 3, 4, 5])",
"np.object([1, 2, 3, 4, 5])"
] |
k00122 | Which of the following arrays is a two dimensional (2-D) array? | [
"[1, 2, 3, 4, 5]",
"42",
"[[1, 2, 3], [4, 5, 6]]"
] |
k00123 | What is a correct syntax to check the number of dimensions in an array? | [
"arr.ndim()",
"arr.dim",
"arr.ndim",
"arr.dim()"
] |
k00124 | What is a correct method to round decimals in NumPy? | [
"np.around()",
"np.fix()",
"All the other 3 are rounding methods in NumPy",
"np.trunc()"
] |
k00125 | What is a correct syntax to subtract the numbers from arr1 with the numbers from arr2? | [
"np.sub(arr1, arr2)",
"np.subtract(arr1, arr2)",
"np.minus(arr1, arr2)",
"np.min(arr1, arr2)"
] |
k00126 | What is a correct syntax to mathematically add the numbers of arr1 to the numbers of arr2? | [
"np.append(arr1, arr2)",
"sum(arr1, arr2)",
"np.add(arr1, arr2)"
] |
k00127 | When using the NumPy random module, how can you return a Normal Data Distrbution with 1000 numbers, concentrated around the number 50, with a standard deviation of 0.2?```
random
``` | [
"random.normal(size=1000, loc=50, scale=0.2)",
"random.normal(size=1000, normal=50, s=0.1)",
"random.normal(size=1000, mean=50, deviation=0.2)"
] |
k00128 | When using the NumPy random module, how can you return a random number from 0 to 100?```
random
``` | [
"random.rand(100)",
"random.randint(100)",
"random.rand()"
] |
k00129 | What is a correct method to sort the elements of an array? | [
"orderby()",
"sort()",
"order()"
] |
k00130 | What is a correct method to search for a certain value in an array? | [
"find()",
"where()",
"search()"
] |
k00131 | What is a correct method to split arrays? | [
"array_split()",
"vstack()",
"All the other 3 answers are correct",
"hstack()"
] |
k00132 | What is a correct method to join two or more arrays? | [
"join()",
"concatenate()",
"array_join()"
] |
k00133 | What is a correct syntax to return the shape of an array? | [
"shape(arr)",
"arr.shape",
"arr.shape()"
] |
k00134 | What is a correct syntax to return the index of all items that has the value 4 from the array below:arr = np.array([1,4,3,4,5,4,4])?```
arr = np.array([1,4,3,4,5,4,4])
``` | [
"arr.where()",
"arr.search(4)",
"np.where(arr == 4)"
] |
k00135 | What is a correct syntax to print the first item of an array? | [
"print(myArr,1)",
"print(myArr[0])",
"print(myArr[1])"
] |
k00136 | Only one of the following statements is true when it comes to Copies in NumPy, which one? | [
"The copy SHOULD be affected by the changes made to the original array.",
"The copy SHOULD NOT be affected by the changes made to the original array."
] |
k00137 | Only one of the following statements is true when it comes to Views in NumPy, which one? | [
"The view SHOULD NOT be affected by the changes made to the original array.",
"The view SHOULD be affected by the changes made to the original array."
] |
k00138 | What is a correct syntax to create an array of type float? | [
"arr = np.array([1, 2, 3, 4]).toFloat()",
"arr = np.array([1, 2, 3, 4], dtype='f')",
"arr = np.float([1, 2, 3, 4])"
] |
k00139 | What is a correct syntax to check the data type of an array? | [
"arr.ntype",
"arr.datatype",
"arr.dtype",
"arr.type"
] |
k00140 | Which syntax would print every other item from the array below:arr = np.array([1,2,3,4,5,6,7])```
arr = np.array([1,2,3,4,5,6,7])
``` | [
"print(arr(0: step = 2))",
"print(arr[1:3:5:7])",
"print(arr[::2])"
] |
k00141 | Which syntax would print the last 4 numbers from the array below:arr = np.array([1,2,3,4,5,6,7])```
arr = np.array([1,2,3,4,5,6,7])
``` | [
"print(arr[4])",
"print(arr[4:])",
"print(arr[:4])",
"print(arr[3:])"
] |
k00142 | What is a correct syntax to print the numbers [3, 4, 5] from the array below:arr = np.array([1,2,3,4,5,6,7])```
arr = np.array([1,2,3,4,5,6,7])
``` | [
"print(arr[2:4])",
"print(arr[2:6])",
"print(arr[3:6])",
"print(arr[2:5])"
] |
k00143 | What is a correct syntax to print the number 8 from the array below:arr = np.array([[1,2,3,4,5], [6,7,8,9,10]])```
arr = np.array([[1,2,3,4,5], [6,7,8,9,10]])
``` | [
"print(arr[3, 0])",
"print(arr[1, 2])",
"print(arr[7, 2])"
] |
k00144 | In NumPy, what does the SHAPE of an array mean? | [
"The shape is the number of elements in each dimension.",
"The shape is the number of rows.",
"The shape is the number of columns."
] |
k00145 | For the Pandas head() method, how many rows are returned by default, if you do not specify it?```
head()
``` | [
"10",
"5",
"All"
] |
k00146 | What is a correct Pandas method for returning the last rows? | [
"back()",
"foot()",
"tail()",
"last()"
] |
k00147 | What is a correct Pandas method for removing rows that contains empty cells? | [
"delete_null",
"remove_null()",
"dropna()"
] |
k00148 | True or false: by default, the Pandas dropna() method returns a new DataFrame, and will not change the original.```
dropna()
``` | [
"True",
"False"
] |
k00149 | Mean, Median, Mode. Which one returns the average value? | [
"median()",
"mean()",
"mode()"
] |
k00150 | When using the Pandas dropna() method, what argument allowes you to change the original DataFrame instead of returning a new one?```
dropna()
``` | [
"dropna(original = True)",
"dropna(inplace = True)",
"dropna(keep = True)"
] |
k00151 | Mean, Median, Mode. Which one returns the value in the middle? | [
"median()",
"mode()",
"mean()"
] |
k00152 | Mean, Median, Mode. Which one returns the value that appears most frequently? | [
"median()",
"mode()",
"mean()"
] |
k00153 | What does the Pandas head() method do?```
head()
``` | [
"Returns the headers and the specified number of rows, starting from the top",
"Returns the specified number of rows, starting from the top",
"Returns the headers"
] |
k00154 | What is a correct method to fill empty cells with a new value? | [
"insertna()",
"value_null()",
"replacena()",
"fillna()"
] |
k00155 | What is a correct syntax to load a Python Dictionary called "data" into a Pandas DataFrame? | [
"pd.load_json(data)",
"pd.DataFrame(data)",
"pd.ReadJSON(data)"
] |
k00156 | What is a correct method to remove duplicates from a Pandas DataFrame? | [
"df.drop_duplicates()",
"df.remove_duplicates()",
"df.duplicates()",
"df.delete_duplicates()"
] |
k00157 | What is a correct syntax to return the entire DataFrame | [
"df.Full()",
"df.to_string()",
"df.print_full()",
"df.dump()"
] |
k00158 | What is a correct syntax to return the first 20 rows of a DataFrame? | [
"df.head(20)",
"df.start(20)",
"df.row(20)",
"df.top(20)"
] |
k00159 | What is the correct Pandas function for loading CSV files into a DataFrame? | [
"read_file()",
"ReadFile()",
"ReadCSV()",
"read_csv()"
] |
k00160 | What is a correct syntax to return both the first row and the second row in a Pandas DataFrame? | [
"df.[[0-1]]",
"df.loc[[0, 1]]",
"df.loc[[0-1]]",
"df.[[0, 1]]"
] |
k00161 | What is a correct syntax to return the first row in a Pandas DataFrame? | [
"df.get(0)",
"df[0]",
"df.loc[0]"
] |
k00162 | What is a correct syntax to create a Pandas DataFrame? | [
"pd.DataFrame(data)",
"pd.df(data)",
"pd.dataframe(data)"
] |
k00163 | What is a correct syntax to add the lables "x", "y", and "z" to a Pandas Series? | [
"pd.Series(mylist, lables = [\"x\", \"y\", \"z\"])",
"pd.Series(mylist, index = [\"x\", \"y\", \"z\"])",
"pd.Series(mylist, names = [\"x\", \"y\", \"z\"])"
] |
k00164 | What is a correct syntax to return the first value of a Pandas Series? | [
"get(myseries, 0)",
"myseries[0]",
"myseries.get(0)"
] |
k00165 | What is a correct syntax to create a Pandas Series from a Python list? | [
"pd.Series(mylist)",
"pd.getSeries(mylist)",
"pd.createSeries(mylist)"
] |
k00166 | What is a correct method to discover if a row is a duplicate? | [
"df.duplicate()",
"df.duplicated()",
"df.dup()"
] |
k00167 | What is the correct Pandas function for loading JSON files into a DataFrame? | [
"ReadFile()",
"read_file()",
"read_json()",
"ReadJSON()"
] |
k00168 | What is a correct method to find relationships between column in a DataFrame? | [
"df.rel()",
"df.corr()",
"df.relation()",
"df.correlation()"
] |
k00169 | What is a correct syntax to return the number of 'not zero' values in an array? | [
"nonzeros()",
"nozeros()",
"no_zeros()",
"count_nonzeros()"
] |
k00170 | When working with constanst, what would be the result of the following:constants.gram```
constants.gram
``` | [
"0.01",
"0.1",
"0.001"
] |
k00171 | When running a Normality Test, what would be the skew value of a 'normal data distribution'?```
skew
``` | [
"1",
"0",
"-1"
] |
k00172 | When running a Normality Test, what does a negative skew mean?```
skew
``` | [
"None of the other two answers are correct",
"The data is skewed left",
"The data is skewed right"
] |
k00173 | When working with significantance testing, the 'Alpha value' is best described as: | [
"The highest possible number.",
"The level of significance.",
"The distance from the lowest to the highest number"
] |
k00174 | When we are missing some data point, we often use interpolation to substitute the missing values, what is this technique called? | [
"imputation",
"amputation",
"adoptation"
] |
k00175 | Which of the following methods is used when importing data from a Matlab format? | [
"matlab.get()",
"loadmat()",
"matlab()"
] |
k00176 | There is a method in the spatial data module that is also known as 'Manhattan Distance', which one? | [
"cityblock()",
"blocks()",
"block_distance()"
] |
k00177 | What is a correct method for exporting values in Matlab format? | [
"to_matlab()",
"save_to_mat()",
"savemat()"
] |
k00178 | Which explanation is correct for a 'convex hull'? | [
"A convex hull is the smallest square that covers four given points.",
"A convex hull is the smallest triangle that covers all of the given points.",
"A convex hull is the smallest polygon that covers all of the given points."
] |
k00179 | One of these methods is used when working with triangulation, which one? | [
"Duval()",
"Dmitri()",
"Delaunay()"
] |
k00180 | When working with constanst, what would be the result of the following:constants.kilo```
constants.kilo
``` | [
"100.0",
"1000.0",
"10.0",
"1.0"
] |
k00181 | When working with the csgraph modul, what is a correct method to find the shortest path in a graph from one element to another? | [
"dijkstra()",
"ford()",
"bellmann()"
] |
k00182 | Which explanation is correct for a 'Dense Array'? | [
"The values are sorted ascending",
"Most of the values are not zero.",
"The values are all positive"
] |
k00183 | What do we call an array where the content is the opposite of 'Sparse Data'? | [
"Lower Data",
"Full Array",
"Dense Array"
] |
k00184 | Which explanation is correct for 'Sparse Data'? | [
"A data set where most of the item values are zero.",
"A data set with only negative values",
"A data set where all numbers are higher than the previous number."
] |
k00185 | When dealing with curves, what are the highest point in the whole curve called? | [
"global maxima",
"maximo dutti",
"maxima"
] |
k00186 | When dealing with curves, what are the low points called? | [
"U",
"bottom",
"minima",
"low"
] |
k00187 | When dealing with curves, what are the high points called? | [
"top",
"slope",
"high",
"maxima"
] |
k00188 | True or False: Optimizers are a set of procedures defined in SciPy that either find the minimum value of a function, or the root of an equation? | [
"False",
"True"
] |
k00189 | What is a correct syntax to return the speed of sound (in meters per seconds), if the module is imported like this:from scipy import constants```
from scipy import constants
``` | [
"constants.mph",
"constants.speed_of_sound",
"constants.kmh"
] |
k00190 | What is a correct syntax to a list of all units under the constants module, if the module is imported like this:from scipy import constants```
from scipy import constants
``` | [
"constants.list",
"dir(constants)",
"constants"
] |
k00191 | When working with the csgraph modul, what is a correct method to find all connected components in a matrix? | [
"comp_connections()",
"connected_components()",
"connections()"
] |
k00192 | What is a correct syntax to return the mathematical number PI from the constants module, if the module is imported like this:from scipy import constants```
from scipy import constants
``` | [
"constants.pi_int",
"constants.pi",
"PI"
] |
k00193 | SVG can be animated and interacted with JavaScript. | [
"False",
"True"
] |
k00194 | Which of the following attributes are used with the <linearGradient> element? | [
"x1, x2, y1 and y2",
"rx, ry, cx and cy",
"cx, cy, fx and fy"
] |
k00195 | SVG graphics do not lose any quality if they are zoomed or resized. | [
"False",
"True"
] |
k00196 | SVG graphics cannot be indexed or searched. | [
"False",
"True"
] |
k00197 | What is true for SVG? | [
"SVG defines vector-based graphics in XML format",
"SVG defines vector-based graphics in HTML format"
] |
k00198 | What attributes are required for the SVG <rect> element? | [
"x and y attributes",
"width and height attributes",
"rx and ry attributes"
] |
k00199 | What attributes are used to create rounded corners for the SVG <rect> element? | [
"x and y attributes",
"rx and ry attributes"
] |
k00200 | Which attribute is required for the SVG <circle> element? | [
"cy attribute",
"r attribute",
"cx attribute"
] |