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WorksheetsUDP_wala_Scanning
Total questions: 10
Worksheet time: 2mins
Which technique in UDP scanning is used to bypass detection mechanisms like firewalls, IDS, or IPS
ICMP-based Firewall Technique
Advanced Encryption Technique
Advanced Evasion Technique
Data Encryption Technique
Minimizing detection by IDS/IPS systems. By fragmenting packets or altering payloads, we can bypass some firewalls.
(a)
Which of the following is not a field present in the UDP header
Checksum
Data field
Source port
Length
Myth: UDP scanning is used to detect open UDP ports on a target system by sending UDP packets and analyzing the response. Accept or Reject?
(a)
Which DDoS attack exploits UDP's connectionless nature to overwhelm network resources?
Reflection-based UDP attack
SYN flood attack
UDP fragmentation attack
UDP flood attack
User Datagram Protocol (UDP) is a lightweight protocol that operates at which layer of the OSI model?
Layer 4
Layer 2
Layer 3
Layer 5
Acknowledgment segment is present in UDP. True or False
False
True
If no response is received, it may indicate that the port is open (depending on firewall configurations), whereas receiving an ICMP "port unreachable" message confirms ____________.
port is open
port is filtered
port is closed
port is unreachable
Which technology uses UDP for real-time voice communication in services like Skype and WhatsApp?
(a)
Bonus: What is the purpose of using a pseudo-header in verifying UDP packets?
To confirm the integrity of data within the UDP packet during transmission.
To ensure that the UDP packet has reached its correct destination.
To ensure the source address is validated in the communication process.
To check the routing path taken by the UDP packet.
