单项选择题

Which of the following memory technologies doubles the amount of data obtained in a single memory access from 64-bits to 128-bits？（）

A.SDRAM
B.DDR RAM
C.Interleaved memory
D.Online spare memory

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单项选择题

Assuming the network supports all speeds， which of the following should an administrator use to get the MOST throughput？（）

A. CAT5 cabling
B. Gigabit NIC
C. 10/100 full duplex NIC
D. 100 half duplex NIC

单项选择题

Which of the following statements is true about L3 cache？（）

A.L3 cache operates faster than the system processor.
B.L3 cache runs at the speed of the processor.
C.L3 cache can deliver data in as little as 15ns.
D.L3 cache runs at the speed of the system bus.

单项选择题

Which of the following is a key component of a directory services server？（）

A. VPN
B. RIS
C. LDAP
D. RAS