If a packet gets "sucked down a black hole" (figuratively speaking) and is not received by its sender, and no message is sent back explaining the situation, then something is wrong. The failure to send a message means something is wrong with the . ICMP ISO
TCP/IP
HTTP.

Digital information is stored using a series of ones and zeros. computers are digital machines because they can only read information as on or off –1 or 0. this method of computation is known as the system

Select the correct answer. a company wants to use online methods to target more customers. it decides to conduct a market research by collecting the data of a few customers with their consent. they want to track data of the sites that their customers frequently visit. which software can the company? a. spyware b. bots c. adware d. trojan horse e. rootkits

What are the 4 basic items that are traded throughout the world?