Random Access Memories

I found this on a website today while searching for work, it was attached to an opening for a network technician/admin position. I think it is absolutely brilliant.

How to Submit Your Application
Everything about working at Groundspeak sounding awesome so far? Now it’s time to begin showing us why you’re the one that we should choose. To submit your resume, just solve this puzzle and provide your work and answer in the “Comments, additional information, best time to contact you, etc.” box on the Application page. How do you get to that page? Just click on the “Apply for this Position” button down below!

Calculate A + B – (C + D + E – F – G)/H and convert the result to hexadecimal.

A = The decimal value found in the third octet of the subnet mask for a network with a prefix size (CIDR notation) of 23.

B = The total number of IPv4 addresses in (all address ranges) reserved for private networks as defined in RFC 1918.

C = The DHCP Option Code for MTU Timeout.

D = The exact time when GPS selective availability was turned off, expressed in POSIX time.

E = The output of the following command when run on the default “hosts” file from a copy of Windows 7, Server 2008, or Server 2008 R2 and copied to a system running a recent linux distribution or Mac OS X: sed ‘4,8d’ | grep -cv ‘c[ao].*m’

F = The ascii character code (in decimal) for the portion of a line break (EOL marker) in Windows format that’s NOT present in the UNIX format.

G = The number of different FSMO roles that can be transferred using only the Active Directory Users and Computers snap-in in Windows Server 2003/2008.

H = The permission mask in absolute mode for changing a file’s permissions to “-rwxr-xr–” in unix.