Port Scanning

Which flags are set on a packet sent with the nmap -sX 193.145.85.202 command?

• FIN

• FIN, PSH

• PSH, URG

• FIN,PSH,URG

A FIN packet sent to a closed port responds with which of the following packets?

• FIN

• ACK

• RST

• SYN

A NULL scan requires setting the FIN, ACK, and URG flags. True or False?

• True

• False

Which of them is NOT a scanning methodology?

• Check for live systems

• Check for open ports

• Identifying the malware in the system

• Identifying of services

A ______________ is a simple network scanning technique used for determining which range of IP address map to live hosts.

• scan sweep

• ping sweep

• scan ping

• host ping

In port scanning, a port is always associated with the _____________ (typically of host system) & the type of ____________ employed for communication.

• IP address, protocol

• MAC address, protocol

• IP address, IMEI number

• MAC address, network model

Using 3-way handshake, it is possible to check for open ports.

• True

• False

How many standard flags are used in TCP communication?

• 4

• 5

• 6

• 7

nmap -sT -p- 192.168.2.64. Which type of port scanning?

• Stealth Scan

• Xmas Tree scan

• TCP Connect Scan

• TCP Half-Open scan

Total number of ports

• 65000

• 65335

• 65525

• 65535