4333596
Descripción
Fichas por michael.0lsn, actualizado hace más de 1 año
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Creado por michael.0lsn
hace casi 9 años
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| Pregunta | Respuesta |
| Disaster Recovery | The ability of an IT organization to resume work after a disaster |
| DRP: Disaster Recovery Plan | A written plan describing the steps a company or individual would take to restore computer operations in the event of a disaster Consists of: i) Emergency Plan ii) Backup Plan iii) Recovery Plan iv) Test Plan |
| Backup Uses | Disaster Recovery Archival Compliance |
| Backup and Restore Concepts: RPO | Recovery Point Objective (RPO): A point in time to which application data must be recovered in order to resume business transactions. |
| Backup and Restore Concepts: RTO | Recovery Time Objective (RTO): Maximum allowable time to bring the application back online. |
| Backup and Restore Concepts: Retention Period | The length of time that the backup software prevents the overwriting of a tape. |
| Backup and Restore Concepts: Rotation Period | The length of time that a particular backup set is retained on tape before it is overwritten by a new backup set. |
| Synthetic Fulls | A synthesized full backup created from the most recent full backup (i.e., standard or synthetic) and subsequent incremental and/or differential backups |
| Snapshots | “Point in Time” images of live systems |
| CDP: Continuous Data Protection | Backup system continuously track changes in data |
| Replication | Keep a second, synchronized copy of data on a separate system |
| HSM | Hierarchical Storage Management: Use different types of storage media, (RAID, disk, tape) each representing a different level of cost and speed of retrieval when access is needed. |
| Deduplication | -Reduces size of stored data -File level or Block level -Finds repetitive data Deletion of duplicate data uses pointers instead of copies |
| Backup Architectures | Direct Attached Backup LAN Backup SAN Backup Off site vaulting |
| Direct-Attached Backups | A tape drive is attached directly to the client Backups are performed directly from the backup client’s disk to the backup client’s tape devices |
| LAN Based Backups | The Backup Server is the central control point for all backups |
| Tape Library | high-capacity data storage system used to store, retrieve, read, and write data using multiple magnetic tape cartridges |
| Cloud Backup | -Also called online, off-site -Sending data over a public or private network to a remote storage facility |
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