CREST CPSA UPDATED EXAMS SCRIPT QUESTIONS AND
ANSWERS FIRM A+
✔✔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
✔✔HTTP Status Code 404 - ✔✔NOT FOUND the method is not available
✔✔HTTP Status Code 301 - ✔✔Moved Permanently
✔✔HTTP Status Code 302 - ✔✔Temporarily Moved
✔✔HTTP Status Code 410 - ✔✔Gone
✔✔SQL Injections (Escape Characters) - ✔✔' OR '1' = '1' --
' OR '1' = '1' {
' OR '1' = '1' /*
✔✔SQL Injections (Type Handling) - ✔✔1;DROPTABLE users
✔✔Linux File Permissions - ✔✔drwxrwxrwx 2 user(owner) group size date filename
d | rwx | rwx | rwx
Filetype | User | Group | Everyone
✔✔Linux Command : Change Password - ✔✔passwd <user>
✔✔Linux Command : Find Files of Type - ✔✔find . -type f -iname '*.pdf'
locate '*.pdf'
,✔✔Linux File System Structure - ✔✔/bin - User Binaries
/boot - Bootup related files
/dev - Interface for system devices
/etc - System Config Files
/home - Base directory for user files
/lib - Critical software libraries
/opt - Third party software
/proc - System and running processes
/root - Home for root
/sbin - Sys Admin binaries
/tmp - Temporary Files
/usr - Less critical files
/var - Variable system files
✔✔IPTables - ✔✔A user-space utility program that allows a system administrator to
configure the tables provided by the Linux kernel firewall and the chains and rules it
stores
✔✔Wireshark and TCPdump - ✔✔Common packet analyzers. Allows the user to display
TCP/IP and other packets being transmitted or received over a network to which the
computer is attached
✔✔pfSense - ✔✔Open source firewall/router computer software distribution based on
FreeBSD
✔✔Solaris Command : Process Listing - ✔✔prstat -a
✔✔Solaris Command : Services and Status - ✔✔svcs -a
✔✔Solaris Command: Start Service (Admin) - ✔✔svcadm start <service>
✔✔NT 3.1 Versions - ✔✔Windows NT 3.1 (All)
✔✔NT 3.5 Versions - ✔✔Windows NT 3.5 (All)
✔✔NT 3.51 Versions - ✔✔Windows NT 3.51 (All)
✔✔NT 4.0 Versions - ✔✔Windows NT 4.0 (All)
✔✔NT 5.0 Versions - ✔✔Windows 2000 (All)
✔✔NT 5.1 Versions - ✔✔Windows XP (Home, pro, MC, Tablet, PC, Starter, Embedded)
, ✔✔NT 5.2 Versions - ✔✔Windows XP (64 bit, Pro 64 bit)
Windows Server 2003 and R2
Windows Home Server
✔✔NT 6.0 Versions - ✔✔Windows Vista (All)
Windows Server 2008 (Foundation, Standard, Enterprise)
✔✔NT 6.1 Versions - ✔✔Windows 7 (All)
Windows Server 2008 R2 (All)
✔✔NT 6.2 Versions - ✔✔Windows 8
Windows Phone 8
Windows Server 2012
✔✔%SYSTEMDRIVE%\boot.ini - ✔✔Contains the boot options for computers with BIOS
firmware running NT-based operating system prior to Windows Vista
✔✔%SYSTEMROOT%\repair\SAM
%SYSTEMROOT%\System32\config\RegBack\SAM - ✔✔Stores Windows users'
passwords in a hashed format (in LM hash and NTLM hash). These are backups of
C:\windows\system32\config\SAM
✔✔Windows Commands : System Info - ✔✔ver : OS Version
sc query state=all : Services
tasklist /svc : Processes and Services
echo %USERNAME% : Current user
✔✔Windows Command : Find Files of Type - ✔✔dir /a /s /n c:\*.pdf*
✔✔Windows Commands : Add User, Make Admin - ✔✔net user <user> <pass> /add
net localgroup "Administrators" <user> /add
✔✔Linux Command : Add User, Make Sudoer - ✔✔useradd <user> (adduser <user>)
passwd <user>
sudo useradd <user> sudo (sudo adduser <user> sudo)
✔✔Command : View Network Info - ✔✔Linux: ifconfig
Windows: ipconfig /all
✔✔Command : Display File Contents - ✔✔Linux: cat <file>
Windows: cat <file>
ANSWERS FIRM A+
✔✔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
✔✔HTTP Status Code 404 - ✔✔NOT FOUND the method is not available
✔✔HTTP Status Code 301 - ✔✔Moved Permanently
✔✔HTTP Status Code 302 - ✔✔Temporarily Moved
✔✔HTTP Status Code 410 - ✔✔Gone
✔✔SQL Injections (Escape Characters) - ✔✔' OR '1' = '1' --
' OR '1' = '1' {
' OR '1' = '1' /*
✔✔SQL Injections (Type Handling) - ✔✔1;DROPTABLE users
✔✔Linux File Permissions - ✔✔drwxrwxrwx 2 user(owner) group size date filename
d | rwx | rwx | rwx
Filetype | User | Group | Everyone
✔✔Linux Command : Change Password - ✔✔passwd <user>
✔✔Linux Command : Find Files of Type - ✔✔find . -type f -iname '*.pdf'
locate '*.pdf'
,✔✔Linux File System Structure - ✔✔/bin - User Binaries
/boot - Bootup related files
/dev - Interface for system devices
/etc - System Config Files
/home - Base directory for user files
/lib - Critical software libraries
/opt - Third party software
/proc - System and running processes
/root - Home for root
/sbin - Sys Admin binaries
/tmp - Temporary Files
/usr - Less critical files
/var - Variable system files
✔✔IPTables - ✔✔A user-space utility program that allows a system administrator to
configure the tables provided by the Linux kernel firewall and the chains and rules it
stores
✔✔Wireshark and TCPdump - ✔✔Common packet analyzers. Allows the user to display
TCP/IP and other packets being transmitted or received over a network to which the
computer is attached
✔✔pfSense - ✔✔Open source firewall/router computer software distribution based on
FreeBSD
✔✔Solaris Command : Process Listing - ✔✔prstat -a
✔✔Solaris Command : Services and Status - ✔✔svcs -a
✔✔Solaris Command: Start Service (Admin) - ✔✔svcadm start <service>
✔✔NT 3.1 Versions - ✔✔Windows NT 3.1 (All)
✔✔NT 3.5 Versions - ✔✔Windows NT 3.5 (All)
✔✔NT 3.51 Versions - ✔✔Windows NT 3.51 (All)
✔✔NT 4.0 Versions - ✔✔Windows NT 4.0 (All)
✔✔NT 5.0 Versions - ✔✔Windows 2000 (All)
✔✔NT 5.1 Versions - ✔✔Windows XP (Home, pro, MC, Tablet, PC, Starter, Embedded)
, ✔✔NT 5.2 Versions - ✔✔Windows XP (64 bit, Pro 64 bit)
Windows Server 2003 and R2
Windows Home Server
✔✔NT 6.0 Versions - ✔✔Windows Vista (All)
Windows Server 2008 (Foundation, Standard, Enterprise)
✔✔NT 6.1 Versions - ✔✔Windows 7 (All)
Windows Server 2008 R2 (All)
✔✔NT 6.2 Versions - ✔✔Windows 8
Windows Phone 8
Windows Server 2012
✔✔%SYSTEMDRIVE%\boot.ini - ✔✔Contains the boot options for computers with BIOS
firmware running NT-based operating system prior to Windows Vista
✔✔%SYSTEMROOT%\repair\SAM
%SYSTEMROOT%\System32\config\RegBack\SAM - ✔✔Stores Windows users'
passwords in a hashed format (in LM hash and NTLM hash). These are backups of
C:\windows\system32\config\SAM
✔✔Windows Commands : System Info - ✔✔ver : OS Version
sc query state=all : Services
tasklist /svc : Processes and Services
echo %USERNAME% : Current user
✔✔Windows Command : Find Files of Type - ✔✔dir /a /s /n c:\*.pdf*
✔✔Windows Commands : Add User, Make Admin - ✔✔net user <user> <pass> /add
net localgroup "Administrators" <user> /add
✔✔Linux Command : Add User, Make Sudoer - ✔✔useradd <user> (adduser <user>)
passwd <user>
sudo useradd <user> sudo (sudo adduser <user> sudo)
✔✔Command : View Network Info - ✔✔Linux: ifconfig
Windows: ipconfig /all
✔✔Command : Display File Contents - ✔✔Linux: cat <file>
Windows: cat <file>