Networks
a device that transmits data between two different networks
What is a router?
Used to compose a message or to receive messages to the final destination
What is an Application Layer (SMTP)?
a network that uses radio waves to connect devices
What is WIFI?
The capability of a system to continue operating properly in the event of the failure of one or more of its components.
What is fault-tolerance?
a host that provides some kind of service
Splits messages into packets with a header or receives packets from the Internet layer, puts them in order, and passes them to the Application layer when all are received.
What is a Transfer Layer (TCP)?
A _______ connects devices over a broad geographic region
What is a Wide Area Network (WAN)?
The capacity for the system to change in size and scale to meet new demands.
a network that uses wires to connect computers.
What is Ethernet?
Add IP addresses to each packet and pass them to the link layer or receive something with the same IP address and passes to transport layer
What is Internet Layer (IP)?
a device that connects a computer to an Internet Service Provider (ISP).
What is a modem?
Used by network administrators to test the reachability of a host on the Internet.
What is ping?
The ___________ is the set of rules that governs the WWW application.
What is HTTP (Hypertext Transfer Protocol)?
Passes packets randomly to others of the same layer or receives packets to pass to the Internet layer?
What is Link Layer (Ethernet)?
A network ______ forwards data packets between devices. _______ send packets directly to devices, rather than sending them to networks like a router does.
What is a switch?
The art and science of writing secret messages.
What is cryptography?