Blockchain Basics Exam Latest Actual Exam Questions And Correct Detailed Answers | Already Graded A+

Blockchain Basics EXAM LATEST ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS | ALREADY GRADED A+ Two Factor Authentification (FC'ed) - Answer- A process of entering a second password transmitted to a side device along with the primary one to ensure who is logging on is who they say they are. Captchas - Answer- an image presented on the screen with a set of words asked to be retyped in by the user to verify that the person logging in to the system is in fact a human being. Blockchain Database - Answer- In a blockchain database, the database is stored on all clients, with each containing a copy of the entire database. Blockchain Database .#1 - Answer- In a blockchain database, edits can not be made to the database. All changes to the database are simply recorded as newly distributed blocks on the chain. We call this characteristic immutability. Blockchain Database .#2 - Answer- In a blockchain there is no central authority. Power is distributed evenly amongst all the blocks in the chain. Blockchain Database .#3 - Answer- The blockchain is sometimes referred to as the "Trust Protocol". Consensus Based Permission - Answer- When changes are made to a database that all clients are comfortable with because they are all in aggreance of who has permissions. Structured Database - Answer- A database in which the table is organized with rows and columns that are organized with a record (the rows) who's information is thusly organized into specified fields (columns) that represent the same information in each record. Structured Database .#1 - Answer- In a structured database, most data resides within the main servers of the database. Structured Database .#2 - Answer- If a system relies on a central database, it can result in a single point of failure. Unstructured Database - Answer- A database with no real organization to corrolate amongst it's data tables. Unstructured Database .#1 - Answer- In an unstructured database, the data resides spread out amongst the clients. Designated System Administrator - Answer- In any system where rights are granted to users for privileges in a database, there is a super admin that grants those rights. Immutable - Answer- unchanging over time or unable to be changed. Immutable .#1 - Answer- In traditional databases, it is possible to change and delete entries assuming appropriate rights. Transactions on a database - Answer- -Take time to process - Cost Money - Are vulnerable to hacking - Have limited participation from the users - Require special skills - Are error prone Encrypted - Answer- What cannot be seen by others. Unencrypted - Answer- What can be seen by others. Miners - Answer- People who choose to solve the math problems that create new bitcoin.