Practice Important Concepts In Network Programming (18.5)

Practise this section

10 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is the range of ports in networking?
Show hintHide hint
Think of the lowest and highest numbered ports.
Question 2.
What does DNS stand for?
Show hintHide hint
Consider what it helps do in a network.
3Question 3.
What is the purpose of DNS?
- A device identifier
- Translation of domain names to IP addresses
- A type of network protocol
Show hintHide hint
Think about how you visit websites.
4Question 4.
Is IPv6 replacing IPv4 due to limited address space?
- True
- False
Show hintHide hint
Consider the number of devices connected to the Internet.
Question 5.
Design a simple network communication system where two applications use different ports to communicate. Outline which ports you would use and explain why.
Show hintHide hint
Think about popular port usage patterns.
Question 6.
Research and explain how DNS caching works and why it is critical for reducing server load.
Show hintHide hint
Consider how often web pages are looked up.

6 more questions in this section. Enroll free to practise them all.