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Online Examination & Mock Aptitude Test

Practice for campus placements, technical interviews, and university MCQ assessments with real-time scoring, timers, and detailed explanations.

SELECT TOPIC: Python & Data Structures Computer Networks & Web Tech Robotics, IoT & Microcontrollers

TIME REMAINING: 10:00

Question 1 of 2

Which layer in the OSI model is responsible for end-to-end communication and port addressing?

A) Network Layer

B) Transport Layer

C) Data Link Layer

D) Session Layer

Question 2 of 2

In an IPv4 address with subnet mask 255.255.255.0 (/24), how many usable host addresses are available?

A) 256

B) 254

C) 128

D) 512

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Online Examination & Mock Aptitude Test

Which layer in the OSI model is responsible for end-to-end communication and port addressing?

In an IPv4 address with subnet mask 255.255.255.0 (/24), how many usable host addresses are available?

Assessment Completed!