NEW
Font size
WorksheetsChapter 5- Scanning
Total questions: 13
Worksheet time: 7mins
Which of the following is not a flag on a packet?
URG
PSH
END
RST
An SYN attack uses which protocol?
TCP
UDP
Which of the following types of attacks has no flags set?
SYN
NULL
X-MASS
FIN
What is missing from a half-open scan?
SYN
ACK
SYN-ACK
FIN
During an FIN scan, what indicates that a port is closed?
No return response
RST/ACK
SYN
ACK
During a Xmas scan what indicates a port is closed?
No return response
RST/ACK
SYN
ACK
What is the three-way handshake?
The opening sequence of a TCP connection
A type of half-open scan
A Xmas scan
Part of a UDP scan
What is the sequence of the three-way handshake
SYN, SYN-ACK, ACK
SYN, SYN-ACK
SYN, ACK, SYN-ACK
SYN, ACK, ACK
Which one is not correct about Scanning
To show live hosts, IP address and open ports of live hosts
To find operating systems and system architecture
To discover services on host
To close port
Which service uses TCP port 22 by default?
DNS
FTP
SSH
HTTPS
Which service uses TCP port 53 by default?
DNS
FTP
SSH
HTTPS
Which switch would you use for a "UDP scan"?
-sU
-O
-sN
-sT
If you wanted to detect which operating system the target is running on, which switch would you use?
-sU
-O
-sN
-sT
