CREST CPSA LATEST 2026 EXAMS TEST QUESTIONS AND
ANSWERS GUARANTEE A+
✔✔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
AES
Twofish
Blowfish
Serpent
IDEA
RC4, RC5, RC6
CAST
✔✔Asymmetric Encryption - ✔✔RSA
El Gamal
ECC Eliptic Curve
Diffie-Helman (Key Exchange)
Paillier
Merkle-Helman
Cramer-Shoup
✔✔Hashes - ✔✔MD5
SHA1
MySQL < 4.1
MySQL5
MD5 (WP)
MD5 (phpBB3)
LM / NTLM
✔✔Oracle Default Credentials - ✔✔--Username | Password--
SYSTEM | MANAGER
ANONYMOUS | ANONYMOUS
SCOTT | TIGER
OLAPSYS | MANAGER
SYS | CHANGE_ON_INSTALL
✔✔Port 512 - ✔✔rexec (username / password)
✔✔Port 513 - ✔✔rlogin (telnet)
✔✔Port 514 - ✔✔rsh
✔✔Port 514 - ✔✔rcp
✔✔LM Hash - ✔✔Primary Windows LAN hash before Windows NT. 14 character limit.
✔✔DES - ✔✔56 bit key encryption (16 cycles of 48 bit subkeys)
✔✔3DES - ✔✔168 bit key encryption (48 cycles)
, ✔✔TTL for Windows - ✔✔128
✔✔TTL for Linux - ✔✔64
✔✔TTL for Networking Devices / Solaris - ✔✔255
✔✔Cisco Password Encryption - ✔✔secret 4 : Crappy SHA256
secret 5 : Salted MD5
secret 7: Crappy Cisco encryption to prevent cleartext in the config
secret 8 : PBKDF2 (Password-Based Key Derivation Function 2) *bruteforce target*
secret 9 : scrypt (BINGO)
✔✔SIP Requests - ✔✔INVITE
ACK
BYE
CANCEL
OPTIONS
REGISTER
PRACK
SUBSCRIBE
NOTIFY
PUBLISH
INFO
REFER
MESSAGE
UPDATE
✔✔SMTP Requests - ✔✔MAIL
RCPT
DATA
✔✔SNMP Requests - ✔✔Get
GetNext
Set
GetBulk
Response
Trap
Inform
✔✔HTTP Status Codes - ✔✔1xx - Info
2xx - Success
3xx - Redirection
4xx - Error
5xx - Server Error
ANSWERS GUARANTEE A+
✔✔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
AES
Twofish
Blowfish
Serpent
IDEA
RC4, RC5, RC6
CAST
✔✔Asymmetric Encryption - ✔✔RSA
El Gamal
ECC Eliptic Curve
Diffie-Helman (Key Exchange)
Paillier
Merkle-Helman
Cramer-Shoup
✔✔Hashes - ✔✔MD5
SHA1
MySQL < 4.1
MySQL5
MD5 (WP)
MD5 (phpBB3)
LM / NTLM
✔✔Oracle Default Credentials - ✔✔--Username | Password--
SYSTEM | MANAGER
ANONYMOUS | ANONYMOUS
SCOTT | TIGER
OLAPSYS | MANAGER
SYS | CHANGE_ON_INSTALL
✔✔Port 512 - ✔✔rexec (username / password)
✔✔Port 513 - ✔✔rlogin (telnet)
✔✔Port 514 - ✔✔rsh
✔✔Port 514 - ✔✔rcp
✔✔LM Hash - ✔✔Primary Windows LAN hash before Windows NT. 14 character limit.
✔✔DES - ✔✔56 bit key encryption (16 cycles of 48 bit subkeys)
✔✔3DES - ✔✔168 bit key encryption (48 cycles)
, ✔✔TTL for Windows - ✔✔128
✔✔TTL for Linux - ✔✔64
✔✔TTL for Networking Devices / Solaris - ✔✔255
✔✔Cisco Password Encryption - ✔✔secret 4 : Crappy SHA256
secret 5 : Salted MD5
secret 7: Crappy Cisco encryption to prevent cleartext in the config
secret 8 : PBKDF2 (Password-Based Key Derivation Function 2) *bruteforce target*
secret 9 : scrypt (BINGO)
✔✔SIP Requests - ✔✔INVITE
ACK
BYE
CANCEL
OPTIONS
REGISTER
PRACK
SUBSCRIBE
NOTIFY
PUBLISH
INFO
REFER
MESSAGE
UPDATE
✔✔SMTP Requests - ✔✔MAIL
RCPT
DATA
✔✔SNMP Requests - ✔✔Get
GetNext
Set
GetBulk
Response
Trap
Inform
✔✔HTTP Status Codes - ✔✔1xx - Info
2xx - Success
3xx - Redirection
4xx - Error
5xx - Server Error
