The world of cryptography is full of confusing terms that many non-cryptographers use in error. It’s important to have a solid understanding of this terminology to avoid implementation errors. In this video, learn the differences between codes and ciphers as well as the difference between block and stream ciphers.
- [Instructor] While heating and cooling concerns … top the list of environmental concerns, … data center managers must also be prepared … for more serious situations, … such as fire, flooding and electromagnetic interference. … Let's take a look at the controls used … to protect against these risks. … Fire is dangerous in any environment, … and it can be particularly damaging … in a facility filled with electrical equipment. … For this reason, data center managers … must design fire detection and suppression systems … that will detect and extinguish a fire … before it grows out of control. … Let's talk briefly about how fires start. … In order for a fire to burn, … it requires three key ingredients, … oxygen, heat, and fuel. … If you can deprive a fire … of any one of these three elements, it will go out. … The most common approach to fighting fires … is the use of water, … which deprives the fire of heat, … but water is not effective against all types of fires … and it can damage electronic equipment. …
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