![](https://lstatic.shangxueba.com/jiandati/pc/images/pc_jdt_tittleico.png)
A network administrator wants to control which user hosts can access the network based on
A. BPDU
B. Port security
C. RSTP
D. STP
E. VTP
F. Blocking mode
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_panel_vip.png)
A. BPDU
B. Port security
C. RSTP
D. STP
E. VTP
F. Blocking mode
The passage is mainly about a poll on_______.
A.Americans’attitude toward Obama administration
B.Americans’general spirit in present situation
C.Americans’fear over terrorist attack
D.Americans’living conditions in past ten years
听力原文:M: May I ask the nature of your business, please?
W: I'm from the State Administration, and I need to talk with Mr. Jones about his building project on 20 Street.
What is the man's probable occupation?
A.Waiter.
B.Secretary.
C.Tailor.
D.Professor.
关于WindowsXP系统账户的安全,下面说法不正确的是()。
A.在安装系统以后,应合理设置Administrator用户登录密码,但是不可修改Administrator用户名
B.如果没有特殊要求最好禁用Guest账户
C.对于使用的其他用户账户,一般不要将其加进Administrators用户组中
D.要注意将系统密码设置为8位以上的字母、数字、符号的混合组合
A network interface on each computer, usually called a network interface card(NIC) or adapter.()
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