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Prepare for the Blockchain BTA Certified Blockchain Developer - Hyperledger exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.
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The questions for CBDH were last updated on Nov 17, 2024.
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The Hyperledger Project consists of the following EXCEPT?
Management is not correct. The Hyperledger Project consists of the following Infrastructure - Ecosystems that accelerate open development and commercial adoption Frameworks -- A portfolio of differentiated approaches to business blockchain frameworks developed by a growing community of communities Tools - Typically built for one framework, and through common license and community of communities approach, ported to other frameworks hyperledger.org.
Level DB is the default database for Hyperledger Fabric and is particularly appropriate when ledger states comprise what type of data?
Simple key-value pairs - LevelDB is the default and is particularly appropriate when ledger states are simple key-value pairs. A LevelDB database is closely co-located with a network node -- it is embedded within the same operating system process. CouchDB is a particularly appropriate choice when ledger states are structured as JSON documents because CouchDB supports the rich queries and update of richer data types often found in business transactions. Implementation-wise, CouchDB runs in a separate operating system process, but there is still a 1:1 relation between a network node and a CouchDB instance. All of this is invisible to chaincode.
https://hyperledger-fabric.readthedocs.io/en/release-1.3/ledger/ledger.html
Ordering service nodes also provide the following services EXCEPT?
References:
Which Hyperledger tool provides an open source browser for viewing activity on the underlying blockchain network?
Explorer can view, invoke, deploy or query blocks, transactions and associated data, network information, chain codes and transaction families, as well as other relevant information stored in the ledger. Powerful, easy-to-use, highly maintainable, open source browser for viewing activity on the underlying blockchain network.
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