皮皮学，免费搜题
登录
搜题
【多选题】
以下哪些可能是使用NAT协议后带来的新的问题( )A.
NAT内部的主机可能无法直接充当服务器接收外部主机的连接请求
B.
一些P2P协议可能无法建立点对点链接
C.
NAT协议破坏了网络分层原则，作为网络层程序跃层使用了端口技术
D.
部分通信中发送将源IP地址嵌入数据中，经过地址转换，接收方可能无法将消息发给读取的IP地址
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】To create their voice sites, the illiterate may need the help of IBM and other groups in the following aspects EXCEPT______.
A.
offering them hosting computer servers
B.
providing them with templates
C.
teaching them voice extensible markup language
D.
finding a way to pay their phone bill
【单选题】【C2】
A.
needn't have been taught
B.
don't need to be taught
C.
must never have been taught
D.
may never have been taught
【单选题】3 You can’t imagine such a beautiful girl ______ say such rude words.
A.
might
B.
need
C.
should
D.
may
【单选题】The children are sleeping.We talk so loud. A.need't B.may not C.mustn't D.dare not
A.
.need't
B.
may not
C.
mustn't
D.
dare not
【单选题】—_______I return the books this week? —No, you _______. You can do that next week?
A.
Must; can’t
B.
May; needn’t
C.
Need; mustn’t
D.
Must; needn’t
【单选题】— ______ I finish the work today? — No, you needn't. [ ]
A.
Must
B.
May
C.
Can
D.
Need
相关题目：
参考解析：
知识点：
题目纠错 0
发布
