Learning Outcome
5
Understand the uses and limitations of port scanning.
4
Recognize common network services and their port numbers.
3
Explain how a port scanner checks open and closed ports.
2
Identify the difference between TCP and UDP protocols.
1
Understand concept of port scanning and network ports.
Summary
5
Unauthorized scanning may create legal and ethical issues.
4
UDP is faster but less reliable than TCP.
3
TCP scanning uses the TCP handshake process.
2
Ports identify specific services running on a device.
1
Port scanning checks whether ports are open, closed.
Quiz
What does a SYN-ACK response indicate during TCP scanning?
A. Facebook
B. Instagram
C. LinkedIn
D. Snapchat
Quiz-Answer
Which platform is mainly used for professional networking and B2B marketing ?
A. Port closed
B. Port open
C. Firewall detected
D. Network disconnected