A company has just refreshed the hardware in its datacenter with new 10G Ethernet switches. A technician wishes to set up a new storage area network but must use existing infrastructure. Which of the following storage standards should the technician use?
A. iSCSI
B. Fibre Channel
C. NAS
D. InfinitiBand
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NAS is the correct Answer 100%. Key word here is “use existing infrastructure”. And NAS is specialized in using existing infrastructure. reference: CompTIA Review Guide. Page: 189, LIne: 8. Except NAS all others are only connecting method to a storage network .
Correct answer is either A or B.
Keyword: “standard”
iSCSI is a way of connecting storage devices over a network using TCP/IP. It can be used over a local area network (LAN), a wide area network (WAN), or the Internet. iSCSI devices are disks, tapes, CDs, and other storage devices on another networked computer that you can connect to. Meanwhile, Fibre Channel, or FC, is a high-speed network technology (commonly running at 2-, 4-, 8- and 16-gigabit per second rates) primarily used to connect computer data storage.
NAS is not a “storage area network”
SAN and network-attached storage (NAS) are both network-based storage solutions. A SAN typically uses Fibre Channel connectivity, while NAS typically ties into to the network through a standard Ethernet connection. A SAN stores data at the block level, while NAS accesses data as files.
reference: https://www.networkworld.com/article/3256312/what-is-a-san-and-how-does-it-differ-from-nas.html
He wants to use SAN solutions using the existing infra… so either is FCoE or iSCSI (which uses Ethernet Switches & is less than 10Gbps) . the answer is A
SAN standards are Fiber Optics, or iSCSI; but in this case the requirement is to use existing infrastructure, therefore the best option will be to join the SAN as a NA.S. The NAS will be connecting to the SAN using a NAS gateway
tricky sob’s
The answer is C because the question is asking which storage standards should be used and NAS is a storage standard and ISCSI is a transport layer protocol not a storage standard so this is why NAS is the best answer.
Why it should’t be iSCSI? this is a SAN network protocol used to share Storage over ethernet
i agree should be ISCSI