VMCA2022 Dumps With Exact Questions and Answers

To access encrypted datastores in VMware, you need to use a transport mode that supports encryption. The following transport modes support encryption:

•Network mode with Encryption (NBDSSL): This mode uses an encrypted network connection between the backup proxy and the ESXi host to read and write data from the encrypted datastore. This mode does not require direct access to the datastore, but it can be slower than other modes due to network traffic and encryption overhead2

•Virtual Appliance (HotAdd) mode: This mode uses a virtual backup proxy that runs on an ESXi host and attaches virtual disks of the encrypted VMs to itself using the VMware vSphere API. This mode requires that the backup proxy and the source VMs reside on the same datastore or on datastores that are accessible by the same ESXi host. This mode can offer better performance than network mode, but it can also cause SCSI reservation conflicts if multiple backup proxies access the same datastore simultaneously3

•Direct SMB: This mode uses a physical backup proxy that accesses the encrypted datastore over the SMB protocol. This mode requires that the datastore is configured as an SMB share and that the backup proxy has read and write permissions on it. This mode can offer high performance and scalability, but it also requires additional configuration steps and security considerations4

The following transport modes do not support encryption:

•Network (NBD) mode: This mode uses an unencrypted network connection between the backup proxy and the ESXi host, which cannot access encrypted datastores2

•Direct SAN: This mode uses a physical backup proxy that accesses the encrypted datastore over the SAN fabric, which cannot decrypt encrypted data5

•Direct NFS: This mode uses a physical backup proxy that accesses the encrypted datastore over the NFS protocol, which does not support encryption6

References:

1: Hardened Repository - User Guide for VMware vSphere 2: Network Mode - User Guide for VMware vSphere 3: Virtual Appliance Mode - User Guide for VMware vSphere 4: Direct SMB Access Mode - User Guide for VMware vSphere 5: Direct SAN Access Mode - User Guide forVMware vSphere 6: Direct NFS Access Mode - User Guide for VMware vSphere

To design a disaster recovery solution that meets the needs and requirements of Veeam University Hospital, you need to identify some information during the discovery phase. This information will help you to understand the scope and scale of the replication and failover processes, the network andstorage resources and limitations, and the recovery time objectives and recovery point objectives.

According to the Veeam Backup & Replication Best Practice Guide, some of the information that is necessary to design the disaster recovery solution and must be identified during discovery are:

•The number of virtual machines to be replicated. This information will help you to determine the number and size of the replication jobs, as well as the replication performance and scalability, based on the number and type of virtual machines.

•The available bandwidth between locations. This information will help you to estimate the network bandwidth and throughput that are available for replication traffic, as well as the impact of replication activities on the network performance and latency.

•Which sites will be the source of replication and which sites will be the targets for recovery. This information will help you to plan and configure the replication infrastructure, such as the proxy servers, repository servers, WAN accelerators, and failover plans, based on the source and target locations.

According to the Veeam Backup & Replication Best Practice Guide1, one of the possible ramifications of shortening the backup window to eight hours is that the CPU and memory requirements of the proxies will be increased. This is because:

•The proxies are responsible for retrieving data from the source and sending it to the target. They perform data compression, deduplication, encryption, and other tasks that consume CPU and memory resources.

•To shorten the backup window, the proxies need to process more data in less time, which means they need more CPU cores and memory to handle concurrent tasks and avoid bottlenecks.

•The backup window can also be affected by other factors, such as the network bandwidth, the storage throughput, the backup methods, and the backup settings. Therefore, it is important to consider all these aspects when designing a backup solution.

References: 1: Proxy - Veeam Backup & Replication Best Practice Guide