Blockchain Basics UPDATED Exam
Questions and CORRECT Answers
Two Factor Authentification (FC'ed) - CORRECT 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 - CORRECT 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 - CORRECT ANSWER - In a blockchain database, the database is
stored on all clients, with each containing a copy of the entire database.
Blockchain Database .#1 - CORRECT 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 - CORRECT ANSWER - In a blockchain there is no central
authority. Power is distributed evenly amongst all the blocks in the chain.
Blockchain Database .#3 - CORRECT ANSWER - The blockchain is sometimes referred
to as the "Trust Protocol".
Consensus Based Permission - CORRECT 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 - CORRECT 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 - CORRECT ANSWER - In a structured database, most data
resides within the main servers of the database.
Structured Database .#2 - CORRECT ANSWER - If a system relies on a central database,
it can result in a single point of failure.
Unstructured Database - CORRECT ANSWER - A database with no real organization to
corrolate amongst it's data tables.
Unstructured Database .#1 - CORRECT ANSWER - In an unstructured database, the data
resides spread out amongst the clients.
Designated System Administrator - CORRECT 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 - CORRECT ANSWER - unchanging over time or unable to be changed.
Immutable .#1 - CORRECT ANSWER - In traditional databases, it is possible to change
and delete entries assuming appropriate rights.
Transactions on a database - CORRECT ANSWER - -Take time to process
- Cost Money
- Are vulnerable to hacking
- Have limited participation from the users
- Require special skills
- Are error prone
Encrypted - CORRECT ANSWER - What cannot be seen by others.
Questions and CORRECT Answers
Two Factor Authentification (FC'ed) - CORRECT 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 - CORRECT 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 - CORRECT ANSWER - In a blockchain database, the database is
stored on all clients, with each containing a copy of the entire database.
Blockchain Database .#1 - CORRECT 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 - CORRECT ANSWER - In a blockchain there is no central
authority. Power is distributed evenly amongst all the blocks in the chain.
Blockchain Database .#3 - CORRECT ANSWER - The blockchain is sometimes referred
to as the "Trust Protocol".
Consensus Based Permission - CORRECT 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 - CORRECT 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 - CORRECT ANSWER - In a structured database, most data
resides within the main servers of the database.
Structured Database .#2 - CORRECT ANSWER - If a system relies on a central database,
it can result in a single point of failure.
Unstructured Database - CORRECT ANSWER - A database with no real organization to
corrolate amongst it's data tables.
Unstructured Database .#1 - CORRECT ANSWER - In an unstructured database, the data
resides spread out amongst the clients.
Designated System Administrator - CORRECT 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 - CORRECT ANSWER - unchanging over time or unable to be changed.
Immutable .#1 - CORRECT ANSWER - In traditional databases, it is possible to change
and delete entries assuming appropriate rights.
Transactions on a database - CORRECT ANSWER - -Take time to process
- Cost Money
- Are vulnerable to hacking
- Have limited participation from the users
- Require special skills
- Are error prone
Encrypted - CORRECT ANSWER - What cannot be seen by others.
