List of practice Questions

Consider the following Python statement:
F = open('CONTENT.TXT')
Which of the following is an invalid statement in Python?

Fill in the blank:
\(\_\_\_\_\_\_\_\_\) is a set of rules that needs to be followed by the communicating parties in order to have a successful and reliable data communication over a network.

Which of the following is not a DDL command in SQL?

State whether the following statement is True or False:
While handling exceptions in Python, name of the exception has to be compulsorily added with except clause.

Observe the given Python code carefully:

a = 20
def convert(a):
    b = 20
    a = a + b
convert(10)
print(a)

Select the correct output from the given options:

Which of the following options is the correct unit of measurement for network bandwidth?

Question: Select the correct output of the following code:


event = "G20 Presidency@2023"
L = event.split(' ')
print(L[::-2])

Identify the statement from the following which will raise an error:

Consider the statements given below and then choose the correct output from the given options:

myStr = "MISSISSIPPI"
print(myStr[:4] + "#" + myStr[-5:])

Identify the invalid Python statement from the following:

Which protocol out of the following is used to send and receive emails over a computer network?

In SQL, the aggregate function which will display the cardinality of the table is \(\_\_\_\_\_\).

The slicing operations in the given code work as follows:

myStr[:4] extracts the first 4 characters, which are "MISS".
myStr[-5:] extracts the last 5 characters, which are "SIPPI".
These two substrings are concatenated with a "#" in between, resulting in "MISS#SIPPI".