第1題： Computer Network (1)(CND) refers to the strategies and efforts undertaken to secure data and information within a computer network.It involves implementing security measures and conducting security awareness and training programs to protect against potential(2).Many different cyber plagiarize is security solutions can contribute to your organization's CND DOG including(3),VPNs,access control systems,and more. CND involves protection, detection, and reaction.(4)provides a foundation for the program. It is the base of operation, from the base,and detected incidents,the(5)includes taking immediate steps to stop an incident in progress.
（1）A．Description
B．Defection
C．Detection
D．Defense
（2）A．Actions
B．Access
C．Operations
D．Attacks
（3）A．Firewalls
B．Gateways
C．Routers
D．Switches
（4）A．Defense
B．Protection
C．Reaction
D．Detection
（5）A．Attack
B．Protection
C．Detection
D．Reaction
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第3題： 下列高速以太網(wǎng)連接技術(shù)中，傳輸距離超過10km的是（）
A．1000BASE-CX
B．1000BASE-ZX
C．1000BASE-LX
D．1000BASE-FX
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第4題： IPv4地址10.10.216.18/20的網(wǎng)絡地址是()。
A．10.10.216.0
B．10.10.210.0
C．10.10.210.32
D．10.10.208.0
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第5題： 把一部分磁盤空間充當內(nèi)存使用，避免執(zhí)行的程序很大或很多導致內(nèi)存消耗殆盡，該技術(shù)被稱為()。
A．虛擬內(nèi)存
B．動態(tài)存儲
C．分級存儲
D．高速緩存
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