
NEXORA
Quiz
•
Information Technology (IT)
•
12th Grade
•
Practice Problem
•
Hard
Omiru Jayaweera
Used 1+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In MySQL, which data type is best for storing text of variable length?
CHAR
VARCHAR
TEXT
STRING
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which layer of the IoT architecture is responsible for data processing and decision-making?
Perception layer
Network layer
Application layer
Middleware layer
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the output of the following Python code?
x = [1, 2, 3]
print(x * 2)
[1, 2, 3, 1, 2, 3]
[2, 4, 6]
Error
123123
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Boolean expression A’B + AB’ represents which gate?
XOR
XNOR
NAND
NOR
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the default subnet mask for a Class C IPv4 address?
255.255.0.0
255.255.255.0
255.0.0.0
255.255.255.255
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In IoT systems, which addressing method is commonly used to identify individual devices on a network?
MAC address
DNS
URL
HTTP ID
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the output of the following?
print([] or [0])
[]
[0]
0
None
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