CREST CPSA| LATEST|COMPLETE
FREQUENTLY MOST TESTED
QUESTIONS WITH VERIFIED
ANSWERS/ALREADY GREADED A+
TCP - Answer--Transmission Control Protocol
UDP - Answer--User Datagram Protocol
Port 21 - Answer--FTP
FTP - Answer--File Transfer Protocol
Port 22 - Answer--SSH
SSH - Answer--Secure Shell
Port 23 - Answer--Telnet
Port 25 - Answer--SMTP
SMTP - Answer--Simple Mail Transfer Protocol
Port 49 - Answer--TACACS
TACACS - Answer--Terminal Access Controller Access Control System
Port 53 - Answer--DNS
DNS - Answer--Domain Name System
Port 67 (UDP) - Answer--DHCP (Server)
Port 68 (UDP) - Answer--DHCP (Client)
,DHCP - Answer--Dynamic Host Configuration Protocol
Port 69 (UDP) - Answer--TFTP
TFTP - Answer--Trivial File Transfer Protocol
Port 80 - Answer--HTTP
HTTP - Answer--Hypertext Transfer Protocol
Port 88 - Answer--Kerberos
Kerberos - Answer--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 - Answer--POP3
POP3 - Answer--Post Office Protocol version 3
Port 111 - Answer--RPC
RPC - Answer--Remote Procedure Call
LDAP - Answer--Lightweight Directory Access Protocol
Port 443 - Answer--HTTPS
Port 500 (UDP) - Answer--Internet Key Exchange (IKE) (used with IPSec)
ISAKMP
ISAKMP - Answer--Internet Security Association and Key Management Protocol
Port 514 (UDP) - Answer--Syslog
Port 520 - Answer--RIP
RIP - Answer--Routing Information Protocol
Port 546 - Answer--DHCPv6 (client)
Port 567 - Answer--DHCPv6 (servers)
Port 587 - Answer--SMTP
, Port 902 - Answer--VMWare
Port 1080 - Answer--Socks Proxy
Port 636 - Answer--LDAPS
Port 1194 - Answer--VPN
Port 1433 - Answer--MS-SQL
Port 1434 - Answer--MS-SQL (monitoring)
Port 1521 - Answer--Oracle
Port 1629 - Answer--DameWare
Port 2049 - Answer--NFS
NFS - Answer--Network File System
Port 3128 - Answer--Squid Proxy
Port 123 - Answer--NTP
NTP - Answer--Network Time Protocol
Port 135 - Answer--Windows RPC (EPM)
Port 593 - Answer--RPC over HTTPS
Port 445 - Answer--SMB
SMB - Answer--Server Message Block
Port 137 (UDP) - Answer--NetBIOS (name services)
Port 138 (UDP) - Answer--NetBIOS (datagram services)
Port 139 - Answer--NetBIOS (session services)
NetBIOS - Answer--Network Basic Input/Output System
Port 143 - Answer--IMAP
FREQUENTLY MOST TESTED
QUESTIONS WITH VERIFIED
ANSWERS/ALREADY GREADED A+
TCP - Answer--Transmission Control Protocol
UDP - Answer--User Datagram Protocol
Port 21 - Answer--FTP
FTP - Answer--File Transfer Protocol
Port 22 - Answer--SSH
SSH - Answer--Secure Shell
Port 23 - Answer--Telnet
Port 25 - Answer--SMTP
SMTP - Answer--Simple Mail Transfer Protocol
Port 49 - Answer--TACACS
TACACS - Answer--Terminal Access Controller Access Control System
Port 53 - Answer--DNS
DNS - Answer--Domain Name System
Port 67 (UDP) - Answer--DHCP (Server)
Port 68 (UDP) - Answer--DHCP (Client)
,DHCP - Answer--Dynamic Host Configuration Protocol
Port 69 (UDP) - Answer--TFTP
TFTP - Answer--Trivial File Transfer Protocol
Port 80 - Answer--HTTP
HTTP - Answer--Hypertext Transfer Protocol
Port 88 - Answer--Kerberos
Kerberos - Answer--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 - Answer--POP3
POP3 - Answer--Post Office Protocol version 3
Port 111 - Answer--RPC
RPC - Answer--Remote Procedure Call
LDAP - Answer--Lightweight Directory Access Protocol
Port 443 - Answer--HTTPS
Port 500 (UDP) - Answer--Internet Key Exchange (IKE) (used with IPSec)
ISAKMP
ISAKMP - Answer--Internet Security Association and Key Management Protocol
Port 514 (UDP) - Answer--Syslog
Port 520 - Answer--RIP
RIP - Answer--Routing Information Protocol
Port 546 - Answer--DHCPv6 (client)
Port 567 - Answer--DHCPv6 (servers)
Port 587 - Answer--SMTP
, Port 902 - Answer--VMWare
Port 1080 - Answer--Socks Proxy
Port 636 - Answer--LDAPS
Port 1194 - Answer--VPN
Port 1433 - Answer--MS-SQL
Port 1434 - Answer--MS-SQL (monitoring)
Port 1521 - Answer--Oracle
Port 1629 - Answer--DameWare
Port 2049 - Answer--NFS
NFS - Answer--Network File System
Port 3128 - Answer--Squid Proxy
Port 123 - Answer--NTP
NTP - Answer--Network Time Protocol
Port 135 - Answer--Windows RPC (EPM)
Port 593 - Answer--RPC over HTTPS
Port 445 - Answer--SMB
SMB - Answer--Server Message Block
Port 137 (UDP) - Answer--NetBIOS (name services)
Port 138 (UDP) - Answer--NetBIOS (datagram services)
Port 139 - Answer--NetBIOS (session services)
NetBIOS - Answer--Network Basic Input/Output System
Port 143 - Answer--IMAP
