A company has the requirement to have their message flow application running on brokerBRK1 communicate with the CICS Tra

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A company has the requirement to have their message flow application running on brokerBRK1 communicate with the CICS Transaction Server. The message flow application contains CICSRequest node that has security identity defined as mySecurityIdentity. TheCICS Transaction server only accepts the transactions from applications if they are sent by the userId user1 with password password1. Which command does the system administrator need to run to set the userId and password on the broker?

A. mqsisetdbparms BRK1 -n SecurityIdentity -u user1 -p password1
B. mqsisetdbparms BRK1 -n mySecurityIdentity -u user1 -p password1
C. mqsisetdbparms BRK1 -n cics::SecurityIdentity -u user1 -p password1
D. mqsisetdbparms BRK1 -n cics::mySecurityIdentity -u user1 -p password1