what information can be gathered about the configuration of the VM storage?

A customer is asking for a quote for a hybrid cluster to run general purpose VMs and an ERP application containing a 500GB database. The customer has a VSAN ReadyNode quote already and looking for a comparable Nutanix solution. They share the following specifications
3 hosts
2 x E5-2640v4 CPU
512GB RAM
1 x 480GB SSD
2 x 8TB HDD
2 x 1GB NIC
Which two aspects of the requested configuration should cause concern and need for further discovery? (Choose two.)

What is the main function of Oplog?

An online retailer currently supports over 200 separate PostgreSQL database instances, often with more than
10 copies of each Individual database. Their Database Administrators have scripted much of the deployment process for creating dev/test copies, but dies infrastructure team struggles to keep up with storage capacity demands.
Which Nutanix product should the systems engineer position?

74. A VP of Applications at a prospective customer is working to transform IT from a cost, center to a business enabler. In order to address this initiative, the VP has identified the following areas for improvement:
Increased time and expenses related to meeting business deliverables Missed market opportunity due to slow IT response time Shadow IT increases risk of security breaches and brand damage Unplanned spend on public cloud services (AWS) what two key benefits should the SE review to address the customer's challenges?
(Choose two)