CREST CPSA 2025– Complete Port, Protocol,
Command, and Enumeration Reference Bank
With 600+ Updated Technical Actual Exam
Test
TCP- ✔✔- Transmission Control Protocol
UDP- ✔✔- User Datagram Protocol
Port 21- ✔✔- FTP
FTP- ✔✔- File Transfer Protocol
Port 22- ✔✔- SSH
SSH- ✔✔- Secure Shell
Port 23- ✔✔- Telnet
,Port 25- ✔✔- SMTP
SMTP- ✔✔- Simple Mail Transfer Protocol
Port 49- ✔✔- TACACS
TACACS- ✔✔- Terminal Access Controller Access Control System
Port 53- ✔✔- DNS
DNS- ✔✔- Domain Name System
Port 67 (UDP)- ✔✔- DHCP (Server)
Port 68 (UDP)- ✔✔- DHCP (Client)
DHCP- ✔✔- Dynamic Host Configuration Protocol
Port 69 (UDP)- ✔✔- TFTP
TFTP- ✔✔- Trivial File Transfer Protocol
,Port 80- ✔✔- HTTP
HTTP- ✔✔- Hypertext Transfer Protocol
Port 88- ✔✔- Kerberos
Kerberos- ✔✔- A computer network authentication protocol that works
on the basis of tickets to allow nodes communicating over a non-secure
network to prove their identity to one another in a secure manner
Port 110- ✔✔- POP3
POP3- ✔✔- Post Office Protocol version 3
Port 111- ✔✔- RPC
RPC- ✔✔- Remote Procedure Call
Port 123- ✔✔- NTP
NTP- ✔✔- Network Time Protocol
, Port 135- ✔✔- Windows RPC (EPM)
Port 593- ✔✔- RPC over HTTPS
Port 445- ✔✔- SMB
SMB- ✔✔- Server Message Block
Port 137 (UDP)- ✔✔- NetBIOS (name services)
Port 138 (UDP)- ✔✔- NetBIOS (datagram services)
Port 139- ✔✔- NetBIOS (session services)
NetBIOS- ✔✔- Network Basic Input/Output System
Port 143- ✔✔- IMAP
IMAP- ✔✔- Internet Message Access Protocol
Command, and Enumeration Reference Bank
With 600+ Updated Technical Actual Exam
Test
TCP- ✔✔- Transmission Control Protocol
UDP- ✔✔- User Datagram Protocol
Port 21- ✔✔- FTP
FTP- ✔✔- File Transfer Protocol
Port 22- ✔✔- SSH
SSH- ✔✔- Secure Shell
Port 23- ✔✔- Telnet
,Port 25- ✔✔- SMTP
SMTP- ✔✔- Simple Mail Transfer Protocol
Port 49- ✔✔- TACACS
TACACS- ✔✔- Terminal Access Controller Access Control System
Port 53- ✔✔- DNS
DNS- ✔✔- Domain Name System
Port 67 (UDP)- ✔✔- DHCP (Server)
Port 68 (UDP)- ✔✔- DHCP (Client)
DHCP- ✔✔- Dynamic Host Configuration Protocol
Port 69 (UDP)- ✔✔- TFTP
TFTP- ✔✔- Trivial File Transfer Protocol
,Port 80- ✔✔- HTTP
HTTP- ✔✔- Hypertext Transfer Protocol
Port 88- ✔✔- Kerberos
Kerberos- ✔✔- A computer network authentication protocol that works
on the basis of tickets to allow nodes communicating over a non-secure
network to prove their identity to one another in a secure manner
Port 110- ✔✔- POP3
POP3- ✔✔- Post Office Protocol version 3
Port 111- ✔✔- RPC
RPC- ✔✔- Remote Procedure Call
Port 123- ✔✔- NTP
NTP- ✔✔- Network Time Protocol
, Port 135- ✔✔- Windows RPC (EPM)
Port 593- ✔✔- RPC over HTTPS
Port 445- ✔✔- SMB
SMB- ✔✔- Server Message Block
Port 137 (UDP)- ✔✔- NetBIOS (name services)
Port 138 (UDP)- ✔✔- NetBIOS (datagram services)
Port 139- ✔✔- NetBIOS (session services)
NetBIOS- ✔✔- Network Basic Input/Output System
Port 143- ✔✔- IMAP
IMAP- ✔✔- Internet Message Access Protocol
