ExamGecko
Search Search Login
Home Home / Blockchain / CBDH
Question list
Search
Search
Open VPLUS File
Convert VPLUS to PDF

Related questions

Query is called whenever you query your chaincode's state. Queries do not result in blocks being added to the chain, and you cannot use certain functions. Which function can you not use inside a Query?
An_____________ is defined as a communication node that is responsible for the distribution of blockchain transactions in Hyperledger Fabric.
You would like to download Hyperledger Fabric. What would be the command to start the process?
Which of the following syntaxes will compile the chaincode?
The fastest way to test your chaincode is to use the REST interface on your peers. There are several REST endpoints you can test and interact with chaincode. (Select two.)
Chaincode in Hyperledger Fabric is a decentralized transactional program which is running on the validating nodes. Chaincode implements the Chaincode interface in particular, Init and Invoke functions. Which two statements about Chaincode is correct? (Select two.)
Hyperledger Composer has the following two main components.
What Hyperledger sponsored tool is a new open-source application development framework, which simplifies the creation of Hyperledger Fabric blockchain applications, thus reducing the time and complexity of development. The tool aims at helping users to create blockchain applications based on Hyperledger Fabric without needing to know the low-level (Go Programming) details involved in blockchain networks?
_____________________________provide identity, privacy, and confidentiality to the network and is an abstraction of an architecture for permissioned operations.
Hyperledger Fabric includes a ____________-based service for ordering and broadcasting network transactions. This service also provides crash fault tolerance to your network; meaning that if an accepted number of ordering service nodes are unavailable, the service continues to order and distribute blocks of transactions to channel peers. What is the service based on?

Question 112 - CBDH discussion

Report
Export

Which of the following is not a feature of a Hyperledger Fabric ledger?

A.
Read-only history queries – Query ledger history for a key, enabling data provenance scenarios
Answers
A.
Read-only history queries – Query ledger history for a key, enabling data provenance scenarios
B.
Read-only queries using a rich query language (if using CouchDB as state database)
Answers
B.
Read-only queries using a rich query language (if using CouchDB as state database)
C.
Read-only queries using a rich query language (if using LevelDB as state database)
Answers
C.
Read-only queries using a rich query language (if using LevelDB as state database)
D.
Query and update ledger using key-based lookups, range queries, and composite key queries.
Answers
D.
Query and update ledger using key-based lookups, range queries, and composite key queries.
Suggested answer: C

Explanation:

Rich Query Language capability is available with CouchDB. What DB is used? The ledger system in Hyperledger fabric uses levelDB. By definition, LevelDB allows concurrent writers to safely insert data into the database by providing internal synchronization State database options include LevelDB and CouchDB. LevelDB is the default key-value state database embedded in the peer process. CouchDB is an optional alternative external state database. (Binary data) https://hyperledger-fabric.readthedocs.io/en/release-1.3/fabric_model.html

Show Answer
asked 16/09/2024
mohammed rafiuddin
38 questions
PreviousPreviousNextNext
User
Your answer:
0 comments
Sorted by

Leave a comment first

ExamGecko

Copyright @2023 ExamGecko | All right reserved

Mail us: [email protected]
About us
Contact us
Twitter X
Facebook
Medium
Convert VPLUS to PDF
Open VPLUS files Easily and Quickly
Privacy Policy
Disclaimer
Terms