题目内容
（请给出正确答案）
●以下关于钓鱼网站的说法中，错误的是(42)。
(42)A．钓鱼网站仿冒真实网站的URL地址
B．钓鱼网站是一种网络游戏
C．钓鱼网站用于窃取访问者的机密信息
D．钓鱼网站可以通过Email传播网址
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更多“●以下关于钓鱼网站的说法中，错误的是（42)。（42)A．钓鱼网站仿冒真实网站的URL地址B．钓鱼网站是一种”相关的问题
A、设置伪造的Wi-Fi热点
B、建立一个虚假的医疗网站，要求用户提供机密信息。
C、伪装成公共事业公司的员工以获取这个公司安全系统的信息。
D、以虚假的借口发送大量电子邮件，请求资助。
B.假网站的IP地址与著名网站的IP地址相同
C.正确的域名得到错误的解析结果
D.用户不对访问的网站的身份进行鉴别
A.网络钓鱼属于社会工程攻击
B.网络钓鱼与Web服务没有关系
C.典型的网络钓鱼攻击是将被攻击者引诱到一个钓鱼网站
D.网络钓鱼融合了伪装、欺骗等多种攻击方式
A.网络地址
B.组播地址
C.主机地址
D.定向广播地址@@@SXB@@@A.网络地址
B.组播地址
C.主机地址
D.定向广播地址
The TCP protocolis a (71) layer protocol. Each connection connects two TCPs that may be just one physical network apart or located on opposite sides ofthe globe. In other words, each connection creates a (72) witha length that may be totally different from another path created by another connection. This means that TCP cannot use the same retransmission time for all connections. Selecting afixed retransnussion time for all connections can result in serious consequences. Ifthe retransmission time does not allow enough time for a (73) to reach the destination and an acknowledgment to reach the source, it can result in retransmission of segments that are still on the way. Conversely, if the retransnussion time is longer than necessary for a short path, it may result in delay for the application programs.Even for one single connection, the retransmission time should not be fixed.A connection may be able to send segments and receive (74)faster during nontraffic period than during congested periods. TCP uses the dynamic retransmission time,a transmission time is different for each connection and which may be changed during the same connection. Retransmission time can be made(75) by basing it on the round-trip time (RTT). Several formulas are used for this purpose.
A.physical
B.network
C.transport
D.application@@@SXB@@@A.path
B.window
C.response
D.process@@@SXB@@@A.process
B.segment
C.program
D.user@@@SXB@@@A.connections
B.requests
C.acknowledgments
D.datagrams@@@SXB@@@A.long
B.short
C.fixed
D.dynamic
A.inetd.conf
B.lilo.conf
C.httpd.conf
D.resolv.conf
A.移动用户划分到租约期较长的类别
B.固定用户划分到租约期较短的类别
C.服务器划分到租约期最短的类别
D.服务器可以采用保留地址
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