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
Unauthorized scanning may create legal and ethical issues.
UDP is faster but less reliable than TCP.
TCP scanning uses the TCP handshake process.
Ports identify specific services running on a device.
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
By Content ITV
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