单项选择题

A. There are discolored ceiling tiles near the middle o……

The current data center has run out of space. A room that is located next to the existing data center is then used to house two racks containing six servers. Six months later， physical housekeeping is performed as part of a mid-year maintenance plan. Which environmental condition discovered in the room is LEAST critical？（）

A. There are discolored ceiling tiles near the middle of the room.
B. Large amounts of dust have accumulated in the corners of the room.
C. The anti-static carpet has been removed resulting in a bare painted concrete floor.
D. A wet pipe water-based sprinkler system has been installed above the racks.

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单项选择题WhichRAIDstandardcombinesdatastripingacrossdriveswithmirroring？（）

A. RAID 0+1
B. RAID 1+5
C. RAID 3
D. Hybrid RAID 5+

单项选择题WhichbackupsolutionistheMOSTappropriateforbackingupapayloadfromacorporationwithmultipleserversandapproximately300GBofdata？（）

A. multiple AIT （Advanced Intelligent Tape） drives configured for each server
B. a standalone LTO （Linear Tape-Open） drive configured for all servers
C. standalone DAT （Digital Audio Tape） drives configured for each server
D. a tape library unit with more then one DAT （Digital Audio Tape） drive configured for all servers
E. a tape library unit with more the one SDLT （SuperDLT） drive configured for all servers

单项选择题Whichactionincreasesserveravailability？（）

A. configuring a second network card with a different IP address
B. replacing the existing 100 Mbps NIC with a gigabit Ethernet NIC
C. using adapter teaming and configuring the second network card with the same IP address as the first network card
D. installing a dual-port network card that can handle the future growth and setting one NIC to 10 Mbps and one NIC to 100 Mbps

单项选择题Two new servers are purchased and need to be installed to allow sharing of a single external hard drive enclosure. One server is configured as a local file server， and the other as a database server for a different network. The onsite technician notices that when both servers are running at the same time， they each receive SCSI errors. When they are running individually， no errors are reported. Which of the following is the BEST source of information to use for troubleshooting this problem？（）

A. the server vendor’s FAQ website
B. the SCSI controller vendor’s user manual
C. the drive enclosure vendor’s user manual
D. the network operating system vendor’s website

单项选择题Whichthroughputdoesa33MHz，33-bitbushave？（）

A. 132 Mbps
B. 256 Mbps
C. 264 Mbps
D. 450 Mbps