1) The synchronous consensus technique(s) is (are): (MULTIPLE CORRECT ANSWERS ARE POSSIBLE)

A)PAXOS

B)RAFT

C) Byzantine General Model

D) Practical Byzantine General Model

2) You have deployed 4-nodes at your company for performing your task in a distributed manner. Although you consider that machine failure (fully failed) is more effective than the compromised failure, you use BFT model. But somehow an attacker compromises one node and simultaneously another node is permanently failed. In this situation, does your system correctly work?

A)Yes with the remaining nodes

B)Yes with all the nodes

C)No

PLEASE GIVE PROPER DETAILED EXPLANATION ALONG WITH ANSWER.