Free Practice Questions for Blockchain CBDH Exam

Explanation

Representation of current state of the assets. Asset state data can be changed upon changes to the state of the data. • Transaction Logs: Record of all the transactions (in the order they are received) which modified the state data, and once the data is written it is immutable and cannot be changed.

Hyperledger Caliper: A blockchain benchmark tool that allows users to measure performance of a specific implementation with predefined use cases Its in Alpha mode at time of writing. Contributed by developers from numerous organizations.

References:

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.

Code invoking transaction is an REST API call to a chaincode function and is similar to how a URL pattern invokes a servlet in J2EE. ServletServlet can be used to create a default mappings for servlets. For example, to create a default mapping to map all servlets to /myservlet/*, so the servlets can be called using http://host:port/web-app-name/myservlet/com/foo/FooServlet, add the following to your web.xml file. (The web.xml file is located in the WEB-INF directory of your Web application.) ServletServlet weblogic.servlet.ServletServlet ServletServlet /myservlet/*

Caliper, a blockchain benchmark tool that allows users to measure performance of a specific implementation with predefined use cases, is in incubation status and was contributed by developers from numerous organizations.