Karteikarten
1.2 Enterprise Storage
Karten in diesem Stapel (42)
- 1What are some different storage types?- Virtual Storage
- Cloud Storage
- Data Warehousing
- Data Archiving
- SAN
- NAS/FAS
-VSAN - 2What are the different types of cloud storage?- Private Cloud
- Public Cloud
- Hybrid
- Community - 3What is a private cloud?Owned and managed by one company for that company's use.
- More control and security
- More investment - 4What is a public cloud?Provided by a third party. Gives up control and some security. You share space with others.
- 5What is a hybrid cloud?A combination of public and private.
- 6What is a community cloud?Owned and managed by a group of organizations for a common purpose.
- 7What are 3 service categories of cloud storage?- Infrastructure as a Service (IaaS)
- Platform as a Service (PaaS)
- Software as a Service (SaaS) - 8What is IaaS?Infrastructure as a Service
- Vendor provides hardware or data center. - The company owns the software (operating systems / applications) - 9What is PaaS?Platform as a Service
- Vendor provides hardware, operating system and infrastructure software
- Company still manages system - 10What is SaaS?Software as a Service
- Vendor provides entire solution.
- Includes OS, software and applications - 11What is data warehousing?- Combining data from multiple databases or courses into a central location.
- Data is processed into an understandable way - 12What are some security controls for data warehousing?- Implement:
- when extracting data from its source.
- for data when it rests in staging area.
- when moving data from staging to warehouse
- when moving data from warehouse to data mart. - 13What measures should be taken when using data warehousing applications?- Control metadata from being used interactively.
- Monitor the data purging plan.
- Reconcile data moved between the operations environment and the data warehousing. - 14What are the tiers of data archiving?- Tier 1: Production Data, HA
- Tier 2: Disaster Recovers, Short-Term Retention, Dev/Test
- Tier 3: Tape backups for long-term retention - 15What is a SAN?Storage Area Network.
High capacity storage devices connected by high speed LAN using storage switch. - 16What are some advantages of SAN's?- Scalable
- Available. Perform maintenance without taking servers offline.
- Sharing is easier, isolated network.
- Easier physical security. - 17What are some security issues with SAN's?- Fiber Channel provides no securiry against spoofing attacks.
- Data is only as secure as OS - 18What is a NAS?Network Attached Storage
- 19What are some protocols used by NAS'- NFS
- CIFS
- HTTP - 20What is a VSAN?Virtual Storage Area Network
- Logical division of a SAN. - 21What are some common storage protocols?- iSCSI
- Fiber Channel over Ethernet (FCoE)
- NFS
- CIFS - 22What is iSCSI?Internet Small Computer System Interface
- IP networking storage standard.
- Encapsulated SCSI commands in IP packet. - 23What is FCoE?Fiber Channel over Ethernet
- Encapsulates Fiber Channel traffic within Ethernet frames.
- Works at Layer 2 - 24What is NFS/CIFS?Network Files System
Common Internet File System - 25Which OS was NFS designed for?Unix/Linux
- 26Which OS was CIFS designed for?Windows.
- CIFS is a public version of Server Message Block (SMB) - 27What is multipathing?The use of multiple physical or virtual network paths to storage device.
- Meets CIA triad while providing fault tolerance. - 28What is a snapshotA backup of data from point in time.
- 29What is a full snapshot?A full backup.
- 30What is a read only snapshot and when is it used?- Allows read write operations to continue
- Used in mission critical environments. - 31What is a read-write/branching snapshot?Creates a point in time version of data.
- 32What is deduplication?Removing redundant copies of same files.
- 33What are 2 main methods of deduplication?- Post Process: Deduplication is performed after data is written to storage device. Doesn't degrade I/O.
- In-Line: Performed as data enters disk in real time. Takes longer but reduces initial disk footprint. - 34What is a DDP?Dynamic Disk Pool
- Distributes data across multiple disks.
- A minimum of 11 drives must be used. - 35What are 2 elements of DDP?- D-Piece: Contiguous 512MB block on physical disk.
- D-Stripe: Each D-Stripe is made up of 10 D-Pieces. 8 D-Pieces are used for data, 1 for parity and 1 for algorithm called Q-Value. - 36What is LUN Masking/MappingControlling asses to a LUN by hiding existence.
- 37Where can you implement LUN Masking/Mapping?- Host Bus Adapter (HBA)
- Storage Controller Level
- There is greater security at the Storage Controller - 38What is Host Bus Adapter (HBA) Allocation?- Connects a computer to SAN
- Have World Wide Names (WWN) that ID them like MAC addresses
- Confining certain ports on the HBA to a certain zone. - 39What are different types of offside or multisite storage replication?- Asynchronous
- Synchronous
- Point-in-time - 40What is asynchronous replication?- Delayed replication
- Less bandwidth that can handle high latency.
- Used across longer distances. - 41What is synchronous replication?- Provides near real-time replication
- More bandwidth
- Cannot handle much latency - 42What is point-in-time replication?- Snapshot
- Periodic replication but uses least bandwidth
- Replicates only changes.
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- Beschreibung
- Explain the security implementations associated with enterprise storage.
- Erstellt von
- DJ Perrone · Okt 2017
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- 13 Okt 2017
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