CREST CPSA FINAL PAPER 2026 FULL
QUESTIONS AND CORRECT ANSWERS
◉HTTP Status Code 404. Answer: NOT FOUND the method is not
available
◉HTTP Status Code 301. Answer: Moved Permanently
◉HTTP Status Code 302. Answer: Temporarily Moved
◉HTTP Status Code 410. Answer: Gone
◉SQL Injections (Escape Characters). Answer: ' OR '1' = '1' --
' OR '1' = '1' {
' OR '1' = '1' /*
◉SQL Injections (Type Handling). Answer: 1;DROPTABLE users
◉Linux File Permissions. Answer: drwxrwxrwx 2 user(owner)
group size date filename
,d | rwx | rwx | rwx
Filetype | User | Group | Everyone
◉Linux Command : Change Password. Answer: passwd <user>
◉Linux Command : Find Files of Type. Answer: find . -type f -iname
'*.pdf'
locate '*.pdf'
◉Linux File System Structure. Answer: /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. Answer: 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. Answer: 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. Answer: Open source firewall/router computer software
distribution based on FreeBSD
◉Solaris Command : Process Listing. Answer: prstat -a
◉Solaris Command : Services and Status. Answer: svcs -a
◉Solaris Command: Start Service (Admin). Answer: svcadm start
<service>
◉NT 3.1 Versions. Answer: Windows NT 3.1 (All)
◉NT 3.5 Versions. Answer: Windows NT 3.5 (All)
, ◉NT 3.51 Versions. Answer: Windows NT 3.51 (All)
◉NT 4.0 Versions. Answer: Windows NT 4.0 (All)
◉NT 5.0 Versions. Answer: Windows 2000 (All)
◉NT 5.1 Versions. Answer: Windows XP (Home, pro, MC, Tablet, PC,
Starter, Embedded)
◉NT 5.2 Versions. Answer: Windows XP (64 bit, Pro 64 bit)
Windows Server 2003 and R2
Windows Home Server
◉NT 6.0 Versions. Answer: Windows Vista (All)
Windows Server 2008 (Foundation, Standard, Enterprise)
◉NT 6.1 Versions. Answer: Windows 7 (All)
Windows Server 2008 R2 (All)
◉NT 6.2 Versions. Answer: Windows 8
Windows Phone 8
Windows Server 2012
QUESTIONS AND CORRECT ANSWERS
◉HTTP Status Code 404. Answer: NOT FOUND the method is not
available
◉HTTP Status Code 301. Answer: Moved Permanently
◉HTTP Status Code 302. Answer: Temporarily Moved
◉HTTP Status Code 410. Answer: Gone
◉SQL Injections (Escape Characters). Answer: ' OR '1' = '1' --
' OR '1' = '1' {
' OR '1' = '1' /*
◉SQL Injections (Type Handling). Answer: 1;DROPTABLE users
◉Linux File Permissions. Answer: drwxrwxrwx 2 user(owner)
group size date filename
,d | rwx | rwx | rwx
Filetype | User | Group | Everyone
◉Linux Command : Change Password. Answer: passwd <user>
◉Linux Command : Find Files of Type. Answer: find . -type f -iname
'*.pdf'
locate '*.pdf'
◉Linux File System Structure. Answer: /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. Answer: 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. Answer: 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. Answer: Open source firewall/router computer software
distribution based on FreeBSD
◉Solaris Command : Process Listing. Answer: prstat -a
◉Solaris Command : Services and Status. Answer: svcs -a
◉Solaris Command: Start Service (Admin). Answer: svcadm start
<service>
◉NT 3.1 Versions. Answer: Windows NT 3.1 (All)
◉NT 3.5 Versions. Answer: Windows NT 3.5 (All)
, ◉NT 3.51 Versions. Answer: Windows NT 3.51 (All)
◉NT 4.0 Versions. Answer: Windows NT 4.0 (All)
◉NT 5.0 Versions. Answer: Windows 2000 (All)
◉NT 5.1 Versions. Answer: Windows XP (Home, pro, MC, Tablet, PC,
Starter, Embedded)
◉NT 5.2 Versions. Answer: Windows XP (64 bit, Pro 64 bit)
Windows Server 2003 and R2
Windows Home Server
◉NT 6.0 Versions. Answer: Windows Vista (All)
Windows Server 2008 (Foundation, Standard, Enterprise)
◉NT 6.1 Versions. Answer: Windows 7 (All)
Windows Server 2008 R2 (All)
◉NT 6.2 Versions. Answer: Windows 8
Windows Phone 8
Windows Server 2012
