Palo Alto Networks

Blockchain CBSA Exam
BTA Certified Blockchain Solution Architect (Page 5 )

Updated On: 1-Feb-2026

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QUESTION: 160

An on-chain Smart Contract might be considered autonomous in nature because:

It is difficult to alter or update
Once it is deployed, it can never be revoked
Once it is deployed, it is self-managing
All of the above

Answer(s): B

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QUESTION: 161

Without 100% autonomy, blockchain software and networks would serve little purpose.

FALSE
TRUE

Answer(s): B

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QUESTION: 162

The reason that cryptocurrencies such as Bitcoin, Ethereum and Litecoin can be exchanged one with another is due to the fact that they all operate on the same blockchain network

FALSE
TRUE

Answer(s): A

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QUESTION: 163

The difference between a decentralized and a distributed system is?

A decentralized system is hosted across multiple datacenters
Distributed and decentralized are the same thing
A decentralized system is not wholly owned by a single entity
A distributed system is not wholly owned by a single entity

Answer(s): C

Reference:

https://medium.com/distributed-economy/what-is-the-difference-between-decentralized-and-distributed-systems-f4190a5c6462

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QUESTION: 164

If a Proof of Work blockchain such a s Bitcoin or Ethereum changed to a Proof of Stake consensus paradigm, which key component of the Proof of Work process would be eliminated?

There would be no need for the miners or nodes to perform a guessing game
The need to solve Byzantine Fault Tolerance
All fees related to transactions would be removed
The blockchain network would no longer have to display public transactions

Answer(s): A

Reference:

https://blockgeeks.com/guides/proof-of-work-vs-proof-of-stake/

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#115: the correct answer is D: Set field values and add messages. A Business Rule requires scripting to generate an event, so answer B is incorrect.
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Anonymous

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Anonymous

JB Commented on July 30, 2025
Question number 66. The answer should be A. Lambda functions are not shareable across accounts via AWS Resource Access Manager (RAM). You need to export the deployment package (usually from an S3 bucket or code repository) and recreate the functions in the target account. Aurora automated DB snapshots can be shared across AWS accounts. The Target account can restore from the shared snapshot, ensuring that data is preserved with minimal downtime.
Anonymous

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#77: correct answer is D
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1. Define Requirements Before deploying: Operating System: Windows or Linux? App Type: Web, database, or desktop? Performance needs: CPU, RAM, Disk IOPS Uptime/Availability: Do you need
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Anonymous

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SWITZERLAND

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FRANCE

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