After successfully creating an Oracle Linux instance, which two tasks could you perform to
validate that it is working?
A.
Ping the instance from an external host by using the public IP address of the instance.
B.
Ping the instance from an instance in another security list in the same domain, using the
private IP address of the instance.
C.
Log in to the instance with its public IP address from an external host by using SSH.
D.
Log in to the instance with its private IP address from an instance in the same security
list by using SSH.
AC
A is wrong, as ICMP Ping is disabled to public IP
B and D
Only C and B
C is wrong, as ssh will work only after port is open
So its B & D
C and D. We cannot validate an instance by ‘PING’ request. We need to login using SSH.
When you create Oracle Compute Cloud Service instances, ping requests to the instances are not permitted by default. To allow ping requests, you must configure your Oracle Compute Cloud Service instance to permit pings.
http://www.oracle.com/webfolder/technetwork/tutorials/obe/cloud/compute-iaas/permitting_ping_requests_to_compute_instances/permitting_ping_requests_to_compute_instances.html
What is the right answer for this please
CD
When you create an instance and do not mentioned the security list, which is the case in this question , then default security list is used and by default default security list allows SSH on 0.0.0.0/22 and that is SSH – so CD is the correct answer.
CD
CD – no ping for a new instance