Question

1- What is Data Destruction? List and explain the Data Destruction CategoriesWhat is Data Destruction? List and explain the Data Destruction Categories

2- Most applications include metadata in the document properties. Define the metadata. Do you think it is important to remove metadata before distributing a document? Justify your answer.

3- List all of the fire accident classification classes. Find at least three different fire extinguishers (do not touch them) and document their location. What fire accident classification class they can be used for? Write down the travel distance of each of them based on their classification classes.

4- The e-mail server should be set up so that it does not allow an open relay of SMTP traffic. Failure to do so implies issues. What are those issues? Describe them

Answer 1

In order damage is the development of destroying files saved on strips, hard disks and dissimilar mixtures of digital media in order that it's far completely unreadable and can't be accessed or used for unauthorized functions. Facts Destruction classes A.clear a technique of sanitization that applies programmatic, softwarebased strategies to sanitize statistics in all user-addressable garag simple non-invasive records recovery techniques; through the standard study and Write commands to the garage device, including via rewriting with a new fee or the use ofa menu choice to reset the tool to the manufacturing facility country (in which rewriting isn't supported) e places for protection towards commonly implemented Bdlean A method of purification that applies physical or rational techniques individuals render objective information recovery infeasible using state of the art laboratory strategies. C. destroy A technique of sanitization that renders target records healing in feasible the usage of kingdom of the artwork laboratory strategies and consequences inside the next lack of ability to use the media for storage of facts 3) There are five training of fires and corresponding extinguishers for them Magnificence A:class A fires consist of ordinary combustible such a as timber paper,trash or some other element which produce ash.these are extinguished by using water Class B: elegance B fires are fuelled via flammable or flammable liquids, which include oil, fuel and different similar materials. This class B fires may be overcome through extinguish consequences which depletes the oxygen supply

Magnificence C: Energized Electrical fires are referred to as elegance C fires. to triumph over the fires usually de-energize the circuit then use a non-conductive extinguishing agent which include Carbon dioxide Class D: these fires are combustible metal fires. Magnesium and Titanium are th maximum not unusual varieties of metallic fires. as soon as a steel ignites do now not use water to extinguish it. see most effective a dry powder extinguishing agent. Dry powder agets work with the aid of heat absorption. Cass okay: elegance okay fires are the fires that involve cooking oils,grease or animal fats and they can be extinguished using red k an agent detemined in kitchen. Stream mist preserve be used to put out such conflagrations. The 3 unique fie extinguishers are water and foam located in theaters .carbon dioxide can be utilized in places of work and workshops which use electric device and cooking oils typically discovered in kitchen 4) An open relay is an SMTP e mail server that lets in 1/3 celebration relay of e- mail messages. By processing mail from a non nearby person, an open relay makes it viable for large volumes of junk mail. Spammers hijack open relays, they could effect and hack their spm,delivering their unsolicited email at the same time as spoofing their identification to make their messages seem to come back from a valid supply The spammers are able to discover handy 1/3-party mail relay servers by using the use of computerized equipment that are conveniently to be had on the net. They damage the server's reputation, block networks and crash servers Load balancing is some other affect on STP server for e-mail processing