The set of protocols used in a communications network. A protocol stack is a prescribed hierarchy of software layers, starting from the application layer at the top (the source of the data being sent) ...

For both CCENT and CCNA level questions, you need to know a handful of key facts if you want to predict the values of MAC addresses, IP addresses, and TCP/UPP port numbers of a packet. Today I’ll ...

Orchestrated crypto agility refers to the ability to quickly switch between cryptographic algorithms, libraries, and key lengths without significant disruption. The Fast Company Executive Board is a ...

From the Open Systems Interconnection (OSI) model shown above, answer the following items: 1. Which layer encapsulates the segment into packets? 2. Which layer of the OSI model supplies services that ...