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Backup Software Interview Questions & Answers - Learning Mode
COOLINTERVIEW.COM OPEN SOURCE APPLICATIONS INTERVIEW QUESTIONS BACKUP SOFTWARE INTERVIEW QUESTIONS QUESTIONS & ANSWERS - LEARNING MODE

Backup Software Interview Questions & Answers - Learning Mode

Online Applications and software for taking websites and server backups. Backup software are computer programs used to perform backup; they create supplementary exact copies of files, databases or entire computers. These programs may later use the supplementary copies to restore the original contents in the event of data loss.

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Backup Software Interview Questions & Answers - Learning Mode
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Question: What is a Point-to-Point Topology?

Answer: Point-to Point Topology provides a simple, direct connection between just two nodes. This topology is the closest approximation to the traditional SCSI topology and provides a direct connection between two nodes, such as between a file server and a disk subsystem. With this topology, the transmitter port on one node is connected directly to the receiver port on the other node. Source: CoolInterview.com
Question: What is a Storage Area Network (SAN)?

Answer: Storage Area Network (SAN) is a dedicated network for sharing storage resources. A SAN provides accelerated data access and supports advanced storage management. Source: CoolInterview.com
Question: What advantages do LAN-free Back Up and Restore deliver?

Answer: Speed up the Backup/Restore, Data will not travel over LAN. Source: CoolInterview.com
Question: Where does SAN fit into today's Networking Environment?

Answer: SANs compliment today's LAN and WAN technologies by acceleration functionality and performance behind the server, where current LAN and WAN technology leaves off. They also compliment the ongoing advancements in LAN and WAN technologies by extending the benefits of improved performance, topological flexibility and remote management from the client and backbone to servers and storage.

Unlike traditional LAN and WAN technologies, the gigabit speed of a Fibre Channel-based SAN accelerate Source: CoolInterview.com
Question: How is a SAN Superior to SCSI?

Answer: SAN offers a number of advantages to parallel SCSI. Fibre Channel is substantially faster than parallel SCSI. In addition, Fibre Channel supports both Fibre Optic and copper cabling at distances of up to 10 Kilometers. It also connects up to 127 nodes on an Arbitrated Loop and up to 16 million nodes on a Fibre Channel Switch. With its ability to map IP, Fibre Channel is significantly more than a parallel SCSI replacement. Fibre Channel?s IP support gives its networked storage devices access to m Source: CoolInterview.com
Question: Name at least three ways, by which, a Storage Area Network (SAN) provides a High Availability Infrastructure?

Answer: No single point of failure, BACKUP/Restore speed, Replication/DR will be improved from Distance point of view. Source: CoolInterview.com
Question: What is the meaning of Input Output Per Second (IOPS)? Where it plays important role?

Answer: Input Output Per Second (IOPS) is basically, One transaction to and fro of the server to storage. Mission critical applications planning based on IOPS one can determine the storage, space needs etc. Source: CoolInterview.com
Question: What is the "Fabric" in a Switched Fabric Topology?

Answer: In the early days of Fiber Channel, the concept of a universal "Fabric" was used to support Fiber Channel?s topology independence. With the advent of point-to-point and FC-AL topologies, it?s value has been enhanced.The Fibre Channel Fabric was designed as a generic interface between each node and the physical layer interconnection of the nodes. By adhering to this interface, any Fiber Channel node could communicate over the ?Fabric? without having to know the interconnecting scheme between node Source: CoolInterview.com
Question: What is the Command to measure the Speed of the Port?

Answer: #show port 2 Source: CoolInterview.com
Question: Name three Limitations of DAS Technology?

Answer: No Scalability, I/O Bottleneck, Limitations in cable length, Unable to share resource. Source: CoolInterview.com
Question: How could implementation of a SAN benefit LAN performance?

Answer: High Speed, Long distance, Data Travel with in the SAN, Fast access Data Backup, Improved Performance. Source: CoolInterview.com
Question: Name at least four Hardware Components in a Storage Area Network (SAN)?

Answer: Cable, SAN Switch, GBIC, Storage Subsystem, Host Bus Adapters. Source: CoolInterview.com
Question: What is the difference between Raid 1 and Raid 5?

Answer: Mirroring and Parity Striping across the Disks. Source: CoolInterview.com
Question: What is Fibre Channel ? Arbitrated Loop (FC-AL)?

Answer: FC-AL is a abbreviation for Fibre Channel ? Arbitrated Loop. FC-AL is a industry standard topology that links up to 126 ports together on a single shared simplex media. Transmissions can only occur between a single pair of nodes at any given time. Arbitration is the scheme that determines which node has control of the loop at any given moment. Source: CoolInterview.com
Question: What is Switched or Switched Fabric Topology?

Answer: A Fibre Channel Switch permits multiple simultaneous transmissions between pairs of nodes connected to it. The data is switched from the source node to the destination node. Source: CoolInterview.com
Question: What is the difference between Lun Masking and Zoning?

Answer: Lun Masking is hiding the LUN to specific server or Host and Zoning is specific to Operating system for e.g Windows zoning, UNIX zoning only preferred luns can be assigned to particular Zoning. Source: CoolInterview.com
Question: What are the steps involved to accomplish Raid Best Configurations?

Answer: Size of the data, no of users, criticality of applications, cost effective of the storage requirements, Raid 1+0. Source: CoolInterview.com
Question: What is the functionality of Multi Pathing?

Answer: Load Balancing, fail over on different Paths, Security. Source: CoolInterview.com
Question: Name three key features of Fiber Channel?

Answer: High Speed, Long distance, Data Travel with in the SAN, Fast access Data Backup, Improved Performance. Source: CoolInterview.com

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Latest 20 Questions
Payment of time- barred debt is: (a) Valid (b) Void (c) Illegal (d) Voidable
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