题目内容

SpyWare and other fonns of malware afe the biggest online threat to your computer's (1) nowadays. There malicious (2) which get to your PC through freeware, shareware, commercial sites, deceptive pop-ups or in any other way, can record your surfing habits and sites you visit, share your personal information with their partners. Any personal (3), when in wrong hands, can leave you a victim of an"identity theft"by steeling your credit (4) details, birth records and other (5) information. 空白(3)处应选择()

A. information
B. estate
C. life
D. existence

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在Linux操作系统中,()配置文件包含主机名到IP地址的映射。

A. /etc/hostname
B. /etc/hosts
C. /etc/resolv.conf
D. /etc/networks

Linux系统中,DHCP服务dhcpd的缺省配置文件是(1),在配置文件中,为特定主机指定保留IP地址的声明语句是(2)。 空白(1)处应选择()

A. /etc/dhcpD.conf
B. /etc/dhcpD.txt
C. /dhcpD.conf
D. /dhcpD.txt

基于MAC地址划分VLAN的优点是()。

A. 主机接入位置变动时无须重新配置
B. 交换机运行效率高
C. 可以根据协议类型来区分VLAN
D. 适合于大型局域网管理

WLAN标准IEEE802.11g规定的数据速率是多少?()。

A. 2Mb/s
B. 11Mb/s
C. 54Mb/s
D. 300Mb/s

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