Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the range of ports in networking?
💡 Hint: Think of the lowest and highest numbered ports.
Question 2
Easy
What does DNS stand for?
💡 Hint: Consider what it helps do in a network.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the purpose of DNS?
💡 Hint: Think about how you visit websites.
Question 2
Is IPv6 replacing IPv4 due to limited address space?
💡 Hint: Consider the number of devices connected to the Internet.
Solve 2 more questions and get performance evaluation
Push your limits with challenges.
Question 1
Design a simple network communication system where two applications use different ports to communicate. Outline which ports you would use and explain why.
💡 Hint: Think about popular port usage patterns.
Question 2
Research and explain how DNS caching works and why it is critical for reducing server load.
💡 Hint: Consider how often web pages are looked up.
Challenge and get performance evaluation