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【单选题】公司分配的公网地址只有几个,为了让公司局域网连接外网,特使用NAT技术。NAT能够节省IP地址,但也存在缺点,在讨论缺点时,甲说:NAT加速了IP地址的损耗;乙说:NAT与ICMP是不兼容的;丙说:NAT增加了时延;丁说:NAT不支持RFC1918外部全局地址。则哪位描述正确?()
A.甲
B.乙
C.丙
D.丁
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- · 有3位网友选择 D,占比33.33%
- · 有3位网友选择 C,占比33.33%
- · 有2位网友选择 B,占比22.22%
- · 有1位网友选择 A,占比11.11%
A.甲
B.乙
C.丙
D.丁
A、reserves in the banking system increase.
B、reserves in the banking system decline.
C、Federal Reserve liabilities remain unchanged.
D、Federal Reserve liabilities decline.
A、solution
B、articulation
C、appreciation
D、speculation
A、the price of autos within the nation will rise by 10 percent.
B、the price of autos within the nation will rise by more than 10 percent, because of high effective protection.
C、the price of autos within the nation will rise, but by less than 10 percent because it is small nation.
D、the price of autos will not rise because of internal competition.
A、it is an independent section
B、it is a composing part of a section
C、it can either be an independent section or a composing part of a section
D、it can replace the conclusion section
A、ip nat inside source list 24 interface serial0/0 overload
B、ip nat inside source 24 pool mypool overload
C、ip nat source 24 pool mypool overlaod
D、ip nat source list 24 pool overlaod
A、ARP用于将IP地址解析为MAC地址
B、在Windows系统平台,使用arp -d命令清除缓存,只能清除动态学习到的条目,不能清除静态绑定的条目
C、当局域网中主机运行ARP欺骗软件,使局域网中所有访问互联网的流量(出和入)通过本主机,则该主机会欺骗所有局域网内主机,但不会欺骗网关设备
D、主机在不发送ARP请求时,不会接收处理ARP应答
A、ARP绑定是解决ARP攻击的最基本方法,需要在主机和网关都进行ARP绑定
B、ARP攻击只能发送ARP请求实现
C、使用ARP防火墙可以防御ARP攻击
D、宽带路由器可以进行IP与MAC静态绑定
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