Which of the following items is NOT mandatory in a Fibre Channel SAN? (Multiple Choice)
A. Storage deviceThe following description about CIFS and NFS sharing is incorrect: (multiple choices)
A. CIFS is a protocol based on network sharing, which has high requirements on the reliability of network transmission, so it is usually adopted Transmission using TCP protocolFrom the perspective of the cloud computing business model, Huawei network disks belong to PaaS.
A. TRUERegarding the steps of SAN synchronous replication, what is the correct order?
(1)
The production storage receives the host write request. HyperReplication logs the request. Only the place is recorded in the log Address information, without recording data content. (2) HyperReplication waits for both the primary LUN and secondary LUN write processing results to be returned. If both are written successfully, clear Log; otherwise keep the log, enter the abnormal disconnection state, and then copy the corresponding number of the log address again when starting synchronization According to the block.
(3)
Write the request to the master LUN and slave LUN. Normally, the LUN is in the write- back state, and the data will be written Cache. (4) Return the processing result of the host write request, which is subject to the processing result of the write master LUN.
A. (1) (3) (2) (4)The following description of common storage protocols is correct?
A. The ATA protocol uses a parallel interface, which can only be built-in and requires cable lengthWhat is the main purpose of backup battery units (BBU) in storage controllers?
A. To maintain the power for clock synchronization.Which of the following are common RAID types. (Multiple Choice)
A. RAID 1A company is mainly used for file system sharing in Linux, UNIX, Mac OS and VMware operating system environments.
Which of the following file access protocols is suitable for this company?
A. NFSDescription 1: When Windows mounts a CIFS share with the same IP address (domain name or machine name), the same user can
You can mount one or more shares at the same time, but you cannot use different users to mount the same or different shares.
Description 2: Windows cannot share multiple Homedir shares with the same IP address (domain name or machine name)
The user mounts multiple shares.
A. Description 1 is correct, description 2 is correctXiao Wang, an employee of a small business, accessed the CIFS protocol on a Linux application server supported by his company's storage system ask about shared files.
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