2012年思科认证（CCNA）考试练习题精选16
76. Routing Information Protocol (RIP. can have maximum of (路由信息协议( R I P .最多可以具有多少个跳计数.？
A. 24 hops
B. 16 hops
C. 12 hops
D. 8 hops
77. How many commands are required to configure a router for RIP (为路由器配置R I P需要多少个命令.？
A. Four
B. Three
C. Two
D. One
78. RIP authentication command can be used with which version of RIP (RIP鉴别可以和R I P的哪个版本一起使用.？
A. RIP version 1
B. RIP version 2
C. RIP version 1 and RIP version 2
D. None of the above
79. In the Interior Gateway Routing Protocol, a route is removed from the routing table after(在内部网关路由选择协议中，一个路由在多长时间之后从路由选择表中删除.？
A. Three update periods
B. 60 seconds
C. Five update periods
D. Seven update periods
E. 90 seconds
80. Which of the following is used to calculate metric in Interior Gateway Routing Protocol(下面的哪一个用于在内部网关路由协议中计算度？ .
A. Internetwork delay
B. Bandwidth
C. Load
D. Reliability
E. All of the above