Intro to Scanning 1

Which of these is the TCP 3 way handshake?
SYN, SYN-ACK, ACK
SYN, SYN, ACK
SYN | SYN | SYN-ACK
SYN, SYN-ACK, SYN-ACK
SYN, SYN-ACK, ACK
How many ports does nmap scan by default?
top 1000
None
top 100
all ports
top 1000
What flag would be used to conduct a connect scan
-sT
-sS
-sU
-sC
-sT
What is typically the slowest scan
UDP scan
SYN Scan
TCP scan
pingsweep
UDP scan
Which scan does not need root privileges
-sT
-sS
-sU
-sN
-sT
To conduct a ping sweep which flag would be used
-sn
-sS
-sP
-sI
-sn
How can a closed UDP port can be identified
an ICMP Port Unreachable packet
a RST packet
no data
it is not possible to identify closed ports
an ICMP Port Unreachable packet
What is the default scan used by nmap
SYN Scan
ping sweep
UDP scan
TCP scan
SYN Scan
What is the command to view the nmap manual page
nmap
nmap -manual
man nmap
nmap?
nmap
A SYN Scan requires what level of privilege
root
user
service
admin
root
Which command would initiate a SYN Scan of the 192.168.1.0/24 range
nmap 192.168.1.0/24
nmap -sT 192.168.1.0/24
nmap -sSYN 192.168.1.0/24
nmap -sS -h 192.168.1.0/24
nmap 192.168.1.0/24
Which command will not conduct a port scan
nmap -sn 192.168.1.0/24
nmap -sS -p- 192.168.1.0/24
nmap -p null 192.168.1.0/24
nmap -sX 192.168.1.0/24
nmap -sn 192.168.1.0/24
nmap -sn 192.168.1.0/24 does what
ping sweep
nothing, the flag is invalid
a NULL port scan
SYN Scan
ping sweep
During a port scan, a target port sends a RST packet, what protocol is being scanned
TCP
UDP
ICMP
SYN
TCP
What does the -iL flag do
provides an input list of IP addresses
Lists interactive ports
starts an incognito scan
it is not a valid flag
provides an input list of IP addresses
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