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Information Technology
Blockchain
Blockchain technology
A blockchain is a type of________.
a
distributed ledger
b
central database
c
steel chain
d
shared ledger
What does diagonal scaling look like in practice?
more RAM/CPU to each existing machine
more machines of the same computational power
more powerful machines
none of the above
Which of these banks also offers cryptocurrency trading?
Bitwala
Bank of America
Raiffeisen
Barclays
IBM's Blue Cloud, Sun Cloud and Amazon Elastic Compute Cloud are examples of _____________.
hybrid clouds
private clouds
community clouds
public clouds
The phone runs a full Bitcoin node. How is the storage problem of the full Bitcoin ledger solved?
by storing it in the phone’s memory
by storing it on a micro SD card
by connecting your phone to a computer
it is not solved at all
_____________ is another inexpensive competing protocol to Zigbee which is used in home control systems.
X-Wave
A-Pave
B-Save
Z-Wave
Real-time ________________ processes data quickly and there is no waiting involved.
data streaming
data running
data floating
data flooding
___________________ is the ability for a machine to listen to spoken words and phrases then convert them into machine-readable text.
Facial recognition
Handprint recognition
Fingerprint recognition
Speech recognition
Which protocol would you use to access someone’s public data or content?
https
http
fxtp
fxxx
What is the city’s token called?
Akon’s Bit Coin
A-Token
Akon Fungible Token
Akoin
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