HP0-J73 Question #89: Real Exam Question with Answer & Explanation

Scenario: Your customer is a medium-sized law firm, with approximately 500 employees. They are beginning an infrastructure and backup upgrade project and have provided you with the infrastructure of their environment. - Approximately 65 Windows hosts comprising of physical and virtual servers - 2 Exchange servers - 2 TB total storage - 4 SQL Servers - 1 TB total storage - Document management system - 4 TB total storage - Disk Storage : CLARiiON CX3-20c iSCSI storage with 40 TB useable storage - Backup Target Devices : 5 x 5Tb Exagrid EX5000s and an ADIC Scalar i500 with 3 x LTO3 - Current backup Software: HP Data Protector - Backup regime Monday - Thursday; Friday - Full backup of all systems is performed totaling approximately 20 TB. - Monthly backup size is a duplicate of Friday but will also duplicate to tape. The Data on the tape must be encrypted for legal reasons. - Full Exchange Servers - Incrementals for file systems and document management - Management System - 4.5TB The customer regularly tests their DR procedures at a remote off-site facility utilizing a number of stand- alone devices to recover the data. The customer has asked you to specify a replacement storage and tape solution allowing for data growth and expansion of approximately 20% per annum. The storage solutions must be optimized for database and email applications as well as virtualized servers while enabling the customer to scale both capacity and performance linearly without incurring downtime or performance bottlenecks. What method of encryption key management best suits the customer requirements?