CREST CPSA Exam UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
TCP - CORRECT ANSWER Transmission Control Protocol
UDP - CORRECT ANSWER User Datagram Protocol
Port 21 - CORRECT ANSWER FTP
FTP - CORRECT ANSWER File Transfer Protocol
Port 22 - CORRECT ANSWER SSH
SSH - CORRECT ANSWER Secure Shell
Port 23 - CORRECT ANSWER Telnet
Port 25 - CORRECT ANSWER SMTP
SMTP - CORRECT ANSWER Simple Mail Transfer Protocol
Port 49 - CORRECT ANSWER TACACS
TACACS - CORRECT ANSWER Terminal Access Controller Access Control System
Port 53 - CORRECT ANSWER DNS
DNS - CORRECT ANSWER Domain Name System
,Port 67 (UDP) - CORRECT ANSWER DHCP (Server)
Port 68 (UDP) - CORRECT ANSWER DHCP (Client)
DHCP - CORRECT ANSWER Dynamic Host Configuration Protocol
Port 69 (UDP) - CORRECT ANSWER TFTP
TFTP - CORRECT ANSWER Trivial File Transfer Protocol
Port 80 - CORRECT ANSWER HTTP
HTTP - CORRECT ANSWER Hypertext Transfer Protocol
Port 88 - CORRECT ANSWER Kerberos
Kerberos - CORRECT 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 - CORRECT ANSWER POP3
POP3 - CORRECT ANSWER Post Office Protocol version 3
Port 111 - CORRECT ANSWER RPC
RPC - CORRECT ANSWER Remote Procedure Call
Port 123 - CORRECT ANSWER NTP
,NTP - CORRECT ANSWER Network Time Protocol
Port 135 - CORRECT ANSWER Windows RPC (EPM)
Port 593 - CORRECT ANSWER RPC over HTTPS
Port 445 - CORRECT ANSWER SMB
SMB - CORRECT ANSWER Server Message Block
Port 137 (UDP) - CORRECT ANSWER NetBIOS (name services)
Port 138 (UDP) - CORRECT ANSWER NetBIOS (datagram services)
Port 139 - CORRECT ANSWER NetBIOS (session services)
NetBIOS - CORRECT ANSWER Network Basic Input/Output System
Port 143 - CORRECT ANSWER IMAP
IMAP - CORRECT ANSWER Internet Message Access Protocol
Port 161 (UDP) - CORRECT ANSWER SNMP
SNMP - CORRECT ANSWER Simple Network Management Protocol
Port 179 - CORRECT ANSWER BGP
BGP - CORRECT ANSWER Border Gateway Protocol
, Border Gateway Protocol (BGP) - CORRECT 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 - CORRECT ANSWER AppleTalk
Port 389 - CORRECT ANSWER LDAP
LDAP - CORRECT ANSWER Lightweight Directory Access Protocol
Port 443 - CORRECT ANSWER HTTPS
Port 500 (UDP) - CORRECT ANSWER Internet Key Exchange (IKE) (used with IPSec)
ISAKMP
ISAKMP - CORRECT ANSWER Internet Security Association and Key Management Protocol
Port 514 (UDP) - CORRECT ANSWER Syslog
Port 520 - CORRECT ANSWER RIP
RIP - CORRECT ANSWER Routing Information Protocol
Port 546 - CORRECT ANSWER DHCPv6 (client)
Port 567 - CORRECT ANSWER DHCPv6 (servers)
Port 587 - CORRECT ANSWER SMTP
QUESTIONS AND CORRECT ANSWERS
TCP - CORRECT ANSWER Transmission Control Protocol
UDP - CORRECT ANSWER User Datagram Protocol
Port 21 - CORRECT ANSWER FTP
FTP - CORRECT ANSWER File Transfer Protocol
Port 22 - CORRECT ANSWER SSH
SSH - CORRECT ANSWER Secure Shell
Port 23 - CORRECT ANSWER Telnet
Port 25 - CORRECT ANSWER SMTP
SMTP - CORRECT ANSWER Simple Mail Transfer Protocol
Port 49 - CORRECT ANSWER TACACS
TACACS - CORRECT ANSWER Terminal Access Controller Access Control System
Port 53 - CORRECT ANSWER DNS
DNS - CORRECT ANSWER Domain Name System
,Port 67 (UDP) - CORRECT ANSWER DHCP (Server)
Port 68 (UDP) - CORRECT ANSWER DHCP (Client)
DHCP - CORRECT ANSWER Dynamic Host Configuration Protocol
Port 69 (UDP) - CORRECT ANSWER TFTP
TFTP - CORRECT ANSWER Trivial File Transfer Protocol
Port 80 - CORRECT ANSWER HTTP
HTTP - CORRECT ANSWER Hypertext Transfer Protocol
Port 88 - CORRECT ANSWER Kerberos
Kerberos - CORRECT 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 - CORRECT ANSWER POP3
POP3 - CORRECT ANSWER Post Office Protocol version 3
Port 111 - CORRECT ANSWER RPC
RPC - CORRECT ANSWER Remote Procedure Call
Port 123 - CORRECT ANSWER NTP
,NTP - CORRECT ANSWER Network Time Protocol
Port 135 - CORRECT ANSWER Windows RPC (EPM)
Port 593 - CORRECT ANSWER RPC over HTTPS
Port 445 - CORRECT ANSWER SMB
SMB - CORRECT ANSWER Server Message Block
Port 137 (UDP) - CORRECT ANSWER NetBIOS (name services)
Port 138 (UDP) - CORRECT ANSWER NetBIOS (datagram services)
Port 139 - CORRECT ANSWER NetBIOS (session services)
NetBIOS - CORRECT ANSWER Network Basic Input/Output System
Port 143 - CORRECT ANSWER IMAP
IMAP - CORRECT ANSWER Internet Message Access Protocol
Port 161 (UDP) - CORRECT ANSWER SNMP
SNMP - CORRECT ANSWER Simple Network Management Protocol
Port 179 - CORRECT ANSWER BGP
BGP - CORRECT ANSWER Border Gateway Protocol
, Border Gateway Protocol (BGP) - CORRECT 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 - CORRECT ANSWER AppleTalk
Port 389 - CORRECT ANSWER LDAP
LDAP - CORRECT ANSWER Lightweight Directory Access Protocol
Port 443 - CORRECT ANSWER HTTPS
Port 500 (UDP) - CORRECT ANSWER Internet Key Exchange (IKE) (used with IPSec)
ISAKMP
ISAKMP - CORRECT ANSWER Internet Security Association and Key Management Protocol
Port 514 (UDP) - CORRECT ANSWER Syslog
Port 520 - CORRECT ANSWER RIP
RIP - CORRECT ANSWER Routing Information Protocol
Port 546 - CORRECT ANSWER DHCPv6 (client)
Port 567 - CORRECT ANSWER DHCPv6 (servers)
Port 587 - CORRECT ANSWER SMTP
