Which of the following refers to a database tool intended to handle time-series data, such as network bandwidth, temperatures, cpu load, and so on? tcpdump rrdtool (round-robin database tool) asymmetric digital subscriber line (adsl) common gateway interface (cgi) script

explanation:

so if you are under a school block you cant but it may also be do to you having to add it to your chrome book like an app like i did or its the wifi you have blocking it

answer; i believe that technician b is correct;

yes the ansewer is c bc you can look it up!

answer; receiver;