单项选择题

以下哪个限制最可能导致硬盘驱动器活动过多？（）

A.RAM不足
B.处理器速度慢
C.PCI总线
D.网络流量过大

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单项选择题

以下哪种内存的速度最快？（）

A.SODIMM
B.SDRAM
C.DDR3
D.DDR2

单项选择题

A new server was installed for the purpose of monitoring network traffic. The network has been configured in such a way that all traffic will be mirrored out the port this server is connected to. When reviewing the network traffic logs on the server only traffic destined to the server is listed in the logs.
Which of the following is preventing the server from seeing all network traffic?（）

A. NIC filtering is enabled.
B. Port security is configured.
C. NIC is not in promiscuous mode.
D. NIC is in promiscuous mode.

单项选择题

An administrator is looking to apply a new service pack for an OS on several systems that run business critical applications for a large international finance corporation. Which of the following should the administrator do FIRST?（）

A. Deploy the service pack to a single department within the corporation.
B. Upgrade the system with requirements for that service pack.
C. Deploy the service pack to a non-critical application server.
D. Submit a change control for the service pack deployment.