Below is few question Dump for R3 Corda 4 Developer Certification
21) Which of the following about serialization in Corda is true?
Answer : Third party classes have to be explicitly added to the serialization whitelist in order to be sent over the network
22) What annotation marks a class as being eligible to be sent and received between nodes as part of a flow?
Answer : CordaSerializable
23) Which method exchanges the Confidential Identity between different parties.
Answer : SwapIdentitiesFlow
24) What is used to encrypt communications between nodes?
Answer : TLS
25) A node can have multiple Cordapp running at the same time.
Answer : TRUE
26) How is a CorDapp installed on a node?
Answer : By placing it in the node’s CorDapps folder
27) What is the suggested minimum host RAM and JVM Heap size for hosting a Node?
Answer : 2GB & 1GB
28) Which of the following attributes cannot be used for Node identity?
Answer : Continent
29) In Corda, user-facing client and external integration into the node is done via _____?
Answer : CordaRPCClient
30) Corda Nodes run in a JVM.
Answer : TRUE