CREST CPSA EXAMINATION SCRIPT 2025/2026 QUESTIONS
WITH ANSWERS GRADED A+
✔✔Port 161 (UDP) - ✔✔SNMP
✔✔SNMP - ✔✔Simple Network Management Protocol
✔✔Port 179 - ✔✔BGP
✔✔BGP - ✔✔Border Gateway Protocol
✔✔Border Gateway Protocol (BGP) - ✔✔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 - ✔✔AppleTalk
✔✔Port 389 - ✔✔LDAP
✔✔LDAP - ✔✔Lightweight Directory Access Protocol
✔✔Port 443 - ✔✔HTTPS
✔✔Port 500 (UDP) - ✔✔Internet Key Exchange (IKE) (used with IPSec)
ISAKMP
✔✔ISAKMP - ✔✔Internet Security Association and Key Management Protocol
✔✔Port 514 (UDP) - ✔✔Syslog
✔✔Port 520 - ✔✔RIP
✔✔RIP - ✔✔Routing Information Protocol
✔✔Port 546 - ✔✔DHCPv6 (client)
✔✔Port 567 - ✔✔DHCPv6 (servers)
✔✔Port 587 - ✔✔SMTP
✔✔Port 902 - ✔✔VMWare
,✔✔Port 1080 - ✔✔Socks Proxy
✔✔Port 636 - ✔✔LDAPS
✔✔Port 1194 - ✔✔VPN
✔✔Port 1433 - ✔✔MS-SQL
✔✔Port 1434 - ✔✔MS-SQL (monitoring)
✔✔Port 1521 - ✔✔Oracle
✔✔Port 1629 - ✔✔DameWare
✔✔Port 2049 - ✔✔NFS
✔✔NFS - ✔✔Network File System
✔✔Port 3128 - ✔✔Squid Proxy
✔✔Port 3306 - ✔✔MySQL
✔✔Port 3389 - ✔✔RDP (Remote Desktop Protocol)
✔✔Port 5060 - ✔✔SIP
✔✔SIP - ✔✔Session Initiation Protocol
✔✔Port 5222 - ✔✔Jabber
✔✔Port 5432 - ✔✔Postgres
✔✔Port 5666 - ✔✔Nagios
✔✔Postgres - ✔✔An object-relational database management system with an emphasis
on extensibility and standards compliance
✔✔Nagios - ✔✔Open source system monitoring service
✔✔Port 5900 - ✔✔VNC
✔✔VNC - ✔✔Virtual Network Computing
, ✔✔Port 6000 - ✔✔X11
✔✔X11 - ✔✔A windowing system for bitmap displays, common on Unix-like operating
systems. Provides the basic framework for a GUI environment: drawing and moving
windows on the display device and interacting with a mouse and keyboard.
✔✔Port 6129 - ✔✔DameWare
✔✔DameWare - ✔✔Remote Access Software on port 6129
✔✔Port 6667 - ✔✔IRC (Internet Relay Chat)
✔✔Port 9001 - ✔✔Tor
✔✔Port 9001 - ✔✔HSQL
✔✔Port 9090 - ✔✔Openfire
✔✔Port 9100 - ✔✔Jet Direct
✔✔Yersinia - ✔✔Layer 2 testing tool (STP, CDP, VLAN Trunking, etc)
✔✔STP - ✔✔Spanning Tree Protocol
✔✔CDP - ✔✔Cisco Discovery Protocol
✔✔DTP - ✔✔Dynamic Trunking Protocol
✔✔HSRP - ✔✔Hot Standby Router Protocol
✔✔VTP - ✔✔VLAN Trunking Protocol
✔✔fgdump - ✔✔A utility for dumping passwords on Windows NT/2000/XP/2003
machines
✔✔Reserved Internal IPs - ✔✔10.0.0.0/8 (10.0.0.0-10.255.255.255) : Private
127.0.0.0/8 (127.0.0.0-127.255.255.255) : Local Host Loopback
172.16.0.0/12 (172.16.0.0-172.31.255.255) : Private
192.168.0.0/16 (192.168.0.0-192.168.255.255) : Private
✔✔Symmetric Encryption - ✔✔DES/3DES
WITH ANSWERS GRADED A+
✔✔Port 161 (UDP) - ✔✔SNMP
✔✔SNMP - ✔✔Simple Network Management Protocol
✔✔Port 179 - ✔✔BGP
✔✔BGP - ✔✔Border Gateway Protocol
✔✔Border Gateway Protocol (BGP) - ✔✔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 - ✔✔AppleTalk
✔✔Port 389 - ✔✔LDAP
✔✔LDAP - ✔✔Lightweight Directory Access Protocol
✔✔Port 443 - ✔✔HTTPS
✔✔Port 500 (UDP) - ✔✔Internet Key Exchange (IKE) (used with IPSec)
ISAKMP
✔✔ISAKMP - ✔✔Internet Security Association and Key Management Protocol
✔✔Port 514 (UDP) - ✔✔Syslog
✔✔Port 520 - ✔✔RIP
✔✔RIP - ✔✔Routing Information Protocol
✔✔Port 546 - ✔✔DHCPv6 (client)
✔✔Port 567 - ✔✔DHCPv6 (servers)
✔✔Port 587 - ✔✔SMTP
✔✔Port 902 - ✔✔VMWare
,✔✔Port 1080 - ✔✔Socks Proxy
✔✔Port 636 - ✔✔LDAPS
✔✔Port 1194 - ✔✔VPN
✔✔Port 1433 - ✔✔MS-SQL
✔✔Port 1434 - ✔✔MS-SQL (monitoring)
✔✔Port 1521 - ✔✔Oracle
✔✔Port 1629 - ✔✔DameWare
✔✔Port 2049 - ✔✔NFS
✔✔NFS - ✔✔Network File System
✔✔Port 3128 - ✔✔Squid Proxy
✔✔Port 3306 - ✔✔MySQL
✔✔Port 3389 - ✔✔RDP (Remote Desktop Protocol)
✔✔Port 5060 - ✔✔SIP
✔✔SIP - ✔✔Session Initiation Protocol
✔✔Port 5222 - ✔✔Jabber
✔✔Port 5432 - ✔✔Postgres
✔✔Port 5666 - ✔✔Nagios
✔✔Postgres - ✔✔An object-relational database management system with an emphasis
on extensibility and standards compliance
✔✔Nagios - ✔✔Open source system monitoring service
✔✔Port 5900 - ✔✔VNC
✔✔VNC - ✔✔Virtual Network Computing
, ✔✔Port 6000 - ✔✔X11
✔✔X11 - ✔✔A windowing system for bitmap displays, common on Unix-like operating
systems. Provides the basic framework for a GUI environment: drawing and moving
windows on the display device and interacting with a mouse and keyboard.
✔✔Port 6129 - ✔✔DameWare
✔✔DameWare - ✔✔Remote Access Software on port 6129
✔✔Port 6667 - ✔✔IRC (Internet Relay Chat)
✔✔Port 9001 - ✔✔Tor
✔✔Port 9001 - ✔✔HSQL
✔✔Port 9090 - ✔✔Openfire
✔✔Port 9100 - ✔✔Jet Direct
✔✔Yersinia - ✔✔Layer 2 testing tool (STP, CDP, VLAN Trunking, etc)
✔✔STP - ✔✔Spanning Tree Protocol
✔✔CDP - ✔✔Cisco Discovery Protocol
✔✔DTP - ✔✔Dynamic Trunking Protocol
✔✔HSRP - ✔✔Hot Standby Router Protocol
✔✔VTP - ✔✔VLAN Trunking Protocol
✔✔fgdump - ✔✔A utility for dumping passwords on Windows NT/2000/XP/2003
machines
✔✔Reserved Internal IPs - ✔✔10.0.0.0/8 (10.0.0.0-10.255.255.255) : Private
127.0.0.0/8 (127.0.0.0-127.255.255.255) : Local Host Loopback
172.16.0.0/12 (172.16.0.0-172.31.255.255) : Private
192.168.0.0/16 (192.168.0.0-192.168.255.255) : Private
✔✔Symmetric Encryption - ✔✔DES/3DES
