Osi Layers Phone Cases - iPhone and Android

Description: OSI 7 layers networking pizza colorful design referencing OSI model essential for network engineers and administrators. Best to gift to them or networking students.

Description: Perfect for the old school network administrator!

Description: English: The ultimate IT insider joke! "Please Do Not Throw Sausage Pizza Away" is the classic mnemonic device used by network engineers, sysadmins, and students to memorize the 7 layers of the OSI Model (from Application to Physical). Perfect geek shirt for CCNA students, tech support professionals, and computer science nerds.