CREST CPSA ACTUAL EXAM
2026 WITH CORRECT
ANSWERS
SSH - ANSWER --Secure Shell
Port 23 - ANSWER --Telnet
Port 25 - ANSWER --SMTP
SMTP - ANSWER --Simple Mail Transfer Protocol
TCP - ANSWER --Transmission Control Protocol
UDP - ANSWER --User Datagram Protocol
Port 21 - ANSWER --FTP
FTP - ANSWER --File Transfer Protocol
Port 22 - ANSWER --SSH
,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)
Port 111 - ANSWER --RPC
RPC - ANSWER --Remote Procedure Call
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
IMAP - ANSWER --Internet Message Access Protocol
Port 161 (UDP) - ANSWER --SNMP
SNMP - ANSWER --Simple Network Management Protocol
Port 179 - ANSWER --BGP
BGP - ANSWER --Border Gateway Protocol
Border Gateway Protocol (BGP) - ANSWER --A standardized exterior gateway protocol
designed to exchange routing and reach-ability information among autonomous systems on the
Internet. The protocol is classified as a path vector protocol.
, Port 201 - ANSWER --AppleTalk
Port 389 - ANSWER --LDAP
LDAP - ANSWER --Lightweight Directory Access Protocol
Port 443 - ANSWER --HTTPS
Port 500 (UDP) - ANSWER --Internet Key Exchange (IKE) (used with IPSec)
ISAKMP
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
2026 WITH CORRECT
ANSWERS
SSH - ANSWER --Secure Shell
Port 23 - ANSWER --Telnet
Port 25 - ANSWER --SMTP
SMTP - ANSWER --Simple Mail Transfer Protocol
TCP - ANSWER --Transmission Control Protocol
UDP - ANSWER --User Datagram Protocol
Port 21 - ANSWER --FTP
FTP - ANSWER --File Transfer Protocol
Port 22 - ANSWER --SSH
,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)
Port 111 - ANSWER --RPC
RPC - ANSWER --Remote Procedure Call
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
IMAP - ANSWER --Internet Message Access Protocol
Port 161 (UDP) - ANSWER --SNMP
SNMP - ANSWER --Simple Network Management Protocol
Port 179 - ANSWER --BGP
BGP - ANSWER --Border Gateway Protocol
Border Gateway Protocol (BGP) - ANSWER --A standardized exterior gateway protocol
designed to exchange routing and reach-ability information among autonomous systems on the
Internet. The protocol is classified as a path vector protocol.
, Port 201 - ANSWER --AppleTalk
Port 389 - ANSWER --LDAP
LDAP - ANSWER --Lightweight Directory Access Protocol
Port 443 - ANSWER --HTTPS
Port 500 (UDP) - ANSWER --Internet Key Exchange (IKE) (used with IPSec)
ISAKMP
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
