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Port Scanning

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

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

a)

FIN

b)

FIN, PSH

c)

PSH, URG

d)

FIN,PSH,URG

2.

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

a)

FIN

b)

ACK

c)

RST

d)

SYN

3.

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

a)

True

b)

False

4.

Which of them is NOT a scanning methodology?

a)

Check for live systems

b)

Check for open ports

c)

Identifying the malware in the system

d)

Identifying of services

5.

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

a)

scan sweep

b)

ping sweep

c)

scan ping

d)

host ping

6.

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

a)

IP address, protocol

b)

MAC address, protocol

c)

IP address, IMEI number

d)

MAC address, network model

7.

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

a)

True

b)

False

8.

How many standard flags are used in TCP communication?

a)

4

b)

5

c)

6

d)

7

9.

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

a)

Stealth Scan

b)

Xmas Tree scan

c)

TCP Connect Scan

d)

TCP Half-Open scan

10.

Total number of ports

a)

65000

b)

65335

c)

65525

d)

65535