课程: ISC2 Certified Information Systems Security Professional (CISSP) (2024) Cert Prep

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Storage networks

Storage networks

- [Instructor] As we wrap up our discussion of network security, let's turn our attention to a class of special purpose networks, storage networks. Storage networking has unique needs because these networks are used for bandwidth intensive communications between computing systems and the storage arrays that support them. There are two main types of network storage. Network-Attached Storage or NAS are storage devices that connect to a network and provide storage services to other devices on the network. NAS devices are typically fairly simple and self-contained. Devices accessing NAS storage use standard storage protocols such as the CIFs protocol used to access file shares on Windows Systems, or NFS, which is used for similar purposes on Linux systems. Larger storage needs require the use of Storage Area Networks or SANs. These are massive arrays of devices that serve networks with very large storage requirements. SANs differ from NAS storage in several ways. First, they appear to the…

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