This certification validates practical skills in system administration and infrastructure, including deployment, administration, troubleshooting, and resilience. It is intended for professionals operating dependable enterprise technology environments.
Which action will temporarily disable remote login access using telnet and ssh for all non-root accounts?
Given the output below:
What is the likely cause for the error shown?
An administrator changed an NFS mount point to read/write capability by adding the rw option in /etc/exports. Clients are still unable to write to the NFS.
How can this be resolved?
What is the best practice when adding a new paging space?
A customer has been creating LPARs on a new POWER8 system.
After successfully activating the first 10 LPARs, the customer notices that the available RAM on physical machine reported by the HMC has reduced more than the sum of the memory currently allocated to the activated LPARs.
The Customer appreciates there will be a memory overhead for each activated LPAR, but the overhead appears more than expected.
Which LPAR attribute is the likely cause for the excess in memory consumption?