I believe that the multiple questions attached to this question is
a) Hello
b) Link groups
c) Path groups
d) Heartbeats
The Answer is B and C
The physical interfaces that are supposed to be monitored are connected into a link group and a firewall failure can be triggered when one or all physical interfaces in the group failPath Monitoring helps monitor the full path to mission critical IP addresses. By default, any one of the IP addresses becoming unreachable will end up causing the firewall to change the HA to tentative state
Ask them what's ur name and get to the know them i have nothing really.
Answer:
Set up audit trail
Explanation:
The administrator should set up an audit trail in order to get this information.
An audit trail would give him the record of all the configuration changes that have been made in a file or a database in the last 6 months.
Audit trails can be manual or electronic. It provides history and also documentation support. It can authenticate security and also help to mitigate challenges.
Answer:
Dennis Ritchie
C was originally developed at Bell Labs by Dennis Ritchie between 1972 and 1973 to make utilities running on Unix