1
Q
SSH & SFTP
A
Port 22
2
Q
DNS
A
Port 53
3
Q
SMTP
A
Port 25
4
Q
FTP
A
Port 20 & 21
5
Q
TFTP
A
Port 69
6
Q
Telnet
A
Port 23
7
Q
DHCP
A
Port 67 & 68
8
Q
HTTP
HTTPS
A
Port 80
Port 443
9
Q
SNMP
A
Port 161
10
Q
RDP
A
Port 3389
11
Q
NTP
A
Port 123
12
Q
SIP
A
Port 5060 & 5061
13
Q
SMB
A
Port 445
14
Q
POP3
A
Port 110
15
Q
IMAP
A
Port 143
16
Q
LDAP
A
Port 389 & 636
17
Q
NetBIOS
A
139
18
Q
LDAPS
A
636
Network+ Exam
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