Blockchain CBSA Exam Practice Test Instant Access

Question 1

The two main types of transactions you can perform in Hyperledger Fabric are:

AChaincode Read and Chaincode Write transactions

BDeploy and Invoke transactions

CHFRead and HFAppend transactions

DCall and Write transactions

Answer : B

Question 2

Complex application components should try to be concentrated in which application layer?

AInterface layer / middle

BPresentation / top

CSmart Contract / bottom

DNone of the above

Answer : B

Question 3

When a blockchain software is updated with new functionality that breaks or modifies the rules of the previous version of the software, what has just occurred?

AA hard fork

BRevision Reversal Attack

CA software fault

DAutonomous update consensus

Answer : A

Question 4

In common blockchain design, blockchain addresses or ''accounts'' are generated by:

AA PRNG output guaranteed to be unique

BA server/node timestamp added to a PRNG output

CCreating a hash based on a cryptographic public key and various meta data

DThe most recent block height hash combined with a cryptographic private key

Answer : C

Question 5

In Proof of Work group consensus, the ''nonce'' refers to?

AThe random data to be combined with the block data which will produce a hash output matching the current difficulty level

BRandom nonsense data inserted at the end of a block to fill it completely

CThe average Bitcoin price over the last 90 days

DNone of the above

Answer : A

Question 6

Which types of data are able to be stored on any given blockchain ledger?

AEach blockchain software specifies its own data storage rules

BAny data that is within the UTC-8 standard

CUnencrypted textual and numerical data

DEncrypted textual and numerical data

Answer : D

Question 7

In common blockchain design, identity and transaction approval is possible through:

AAES encryption

BPublic key cryptography

CSecret key cryptography

DNone of the above

Answer : D

Blockchain BTA Certified Blockchain Solution Architect Exam Practice Test