E20-329 Question #190: Real Exam Question with Answer & Explanation

Scenario A customer is looking to perform a data center refresh. They want to standardize their backup infrastructure by using EMC NetWorker, Avamar, and Data Domain in an integrated environment. The environment consists of: A primary data center - NetWorker server, Data Domain, and Avamar A disaster recovery (DR) data center - Data Domain only 220 remote sites Each remote site consists of approximately 30 clients and 1 storage node LAN speed at and between all sites is 1 Gb The company's Chief Technology Officer (CTO) has indicated that data must be backed up locally. Then, the data must be copied offsite to the primary data center and DR data center. The entire solution must be managed from a single unified interface in order to configure and track backup jobs. The company is subject to government regulations concerning data retention policies for confidential data. Data has to be retained for seven years on tape at the DR data center. Assume each remote site has 30 clients, three devices per remote storage node, and NetWorker Power Edition are used. At a minimum, how many datazones will be needed?