Which of the following is the MOST likely connection type for a backup external modem？（）

单项选择题Anadministratorwantstolimithowmuchdataeachuserisstoring.WhichofthefollowingwillBEST addressthisissue？（）

A. Quotas
B. SNMP
C. Disk management
D. ACL

单项选择题WhichofthefollowingstorageconnectorshastheFASTESTspeed？（）

A. SATA
B. SCSI 320
C. SAS
D. IDE

单项选择题Whichofthefollowingexpansioncardslotswasdesignedspecificallyforvideocards？（）

A. PCIe
B. ISA
C. AGP
D. PCIx

单项选择题WhichofthefollowingistheMOSTimportantreasonforreferencingtheHCL？（）

A. To ensure that all hardware being used has previously been tested
B. To ensure that all hardware being used has the latest firmware
C. To ensure that all hardware being used is the most energy efficient
D. To ensure that all hardware being used can be upgraded in the future

单项选择题Whichofthefollowingcomponentschannelsairflowthroughaserverchassis？（）

A. Fan
B. Heat sink
C. Shroud
D. Radiator