UDP_wala_Scanning

Front

What is the acknowledgment segment in UDP?

Back

UDP does not have an acknowledgment segment; it is a connectionless protocol.

Front

What does it indicate if no response is received when scanning a port?

Back

It may indicate that the port is open, depending on firewall configurations.

Front

What does receiving an ICMP 'port unreachable' message confirm?

Back

It confirms that the port is closed.

Front

At which layer of the OSI model does User Datagram Protocol (UDP) operate?

Back

Layer 4 (Transport Layer).

Front

What type of DDoS attack exploits UDP's connectionless nature?

Back

UDP flood attack.

Front

What technology uses UDP for real-time voice communication?

Back

VoIP (Voice over Internet Protocol) services like Skype and WhatsApp.

Front

What is the main characteristic of UDP compared to TCP?

Back

UDP is connectionless and does not guarantee delivery, while TCP is connection-oriented and ensures delivery.

Front

What is a common use case for UDP?

Back

Streaming media and online gaming, where speed is prioritized over reliability.

Front

What is the maximum size of a UDP packet?

Back

The maximum size of a UDP packet is 65,535 bytes.

Front

What is the role of the source and destination ports in UDP?

Back

They identify the sending and receiving applications, allowing multiple applications to use UDP simultaneously.