Python Packages and Data Access Fresco Play MCQs Answers

Python Packages and Data Access Fresco Play MCQs Answers

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Course Path : Data Science/DATA SCIENCE BASICS/Python Packages and Data Access

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Final Assessment

1.How many components are present in SQLAlchemy?

1. 2
2. 5
3. 3
4. 1
5. 4

Answer: 1)2

2.Which of the following identifier is used to identify whitespace around words in regular expressions?

1. \w
2. \b
3. \D
4. \s
5. \S

Answer: 1)\w

3.Which of the following package contains permutations?

1. datetime
2. sys
3. collections
4. shutils
5. itertools

Answer: 5)itertools

4.Safe pickling is used because, by default, a class or function present in pickle data is imported.

1. FALSE
2. TRUE

Answer: 2)TRUE

5.Which of the following analyses only the beginning of a string?

1. re.search
2. re.findall
3. re.compile
4. re.match
5. None of the options

Answer: 4)re.match

6.If you copy a file from one folder to another with the same file name using shutil, the file will be overwritten.

1. TRUE
2. FALSE

Answer: 1)TRUE

7.Which of the following specifies the number of connections in a connection pool?

1. pool_size
2. encoding
3. isolation_level
4. max_overflow
5. echo

Answer: 1)pool_size

8.Which of the following is used to load a file?

1. json.dumps
2. json.loads
3. None of the options
4. json.load

Answer: 4)json.load

9.Which of the following is used to get named entries into a tuple?

1. deque
2. counter
3. OrderedDict
4. namedtuple
5. chainmap

Answer: 4)namedtuple

10.In SQLAlchemy Raw SQL, CRUD operations are performed by using?

1. Raw statements
2. None of the options
3. SQL syntax
4. Python statements

Answer: 2)None of the options

11.Which of the following parameter is not present in datetime.time?

1. Second
2. Hour
3. Microsecond
4. Millisecond
5. Minute

Answer: 4)Millisecond

12.Which of the following enables “.” that matches newline?

1. re.S
2. re.M
3. re.I
4. re.U
5. re.L

Answer: 1)re.S

13.Which of the following is used to request data from a server?

1. Cookies
2. Session objects
3. Headers
4. GET
5. POST

Answer: 4)GET

14.You can overwrite a file despite moving a file from one folder to another.

1. FALSE
2. TRUE

Answer: 2)TRUE

15.Which of the following command is used to combine both date and time?

1. datetime.date.combine
2. combine
3. date
4. datetime.datetime.combine
5. time

Answer: 4)datetime.datetime.combine

16.Which of the following command is used to change the location of a file from one folder to another?

1. shutil.copy
2. shutil.overwrite
3. None of the options
4. shutil.move

Answer: 4)shutil.move

17.Which of the following enables to rename a directory?

1. getcwd
2. mkdir
3. rename
4. rmdir
5. os.rename

Answer: 5)os.rename

18.Psycopg2 and pg80000 are the drivers for ______________.

1. MySQL
2. None of the options
3. MSSQL
4. PostgreSQL

Answer: 4)PostgreSQL

19.Which of the following command is used to print error text?

1. None of the options
2. sys.stderr
3. stderr
4. sys.stdout
5. sys.argv

Answer: 4)sys.stdout

20.Which of the following is used to pass arguments to a Python file by using command line?

1. os.mkdir
2. os.getcwd
3. sys.argv
4. sys.stderr
5. os.rename

Answer: 3)sys.argv

21.Which of the following provides a pipe to access a file directly?

1. os.error
2. os.popen
3. os.close
4. os.name

Answer: 2)os.popen

22.What are the major benefits of using SQLAlchemy?

1. Simple logic
2. Cleaner code
3. All the options
4. Secure code

Answer: 3)All the options

23.Which of the following is considered an optimized list?

1. OrderedDict
2. namedtuple
3. counter
4. deque
5. chainmap

Answer: 4)deque

24.Pickle cannot store class objects.

1. FALSE
2. TRUE

Answer: 1)FALSE

25.os.mkdir enables to create a new file.

1. TRUE
2. FALSE

Answer: 2)FALSE

26.In SQLAlchemy, performing operations using Raw SQL is easier.

1. TRUE
2. FALSE

Answer: 2)FALSE

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