CCNA题库QUESTION 75和QUESTION 152疑问

doofy

QUESTION 75
Which three approaches can be used while migrating from an IPV4 addressing scheme to an IPV6
scheme.(choose three)
A. statically map IPV4 address to IPV6 addresses
B. configuration IPv4 tunnels between IPV6 islands
C. use DHCPv6 to map IPV4 addresses to IPV6 addresses
D. use proxying and translation to translate IPV6 packets into IPV4 packets
E. configure IPV6 directly
F. enable dual-stack routing
题库选的ABF，但有的选的BDF


QUESTION 175
Refer to the exhibit. A network administrator attempts to ping Host2 from Host1 and receives the result that
are shown. What is a possible problem?


A. IP routing is not enabled
B. A static route is configured incorrectly
C. The network has not fully converged
D. The FastEthernet interface on Coffee is disabled
E. The routing table on Coffee has not updated
F. The neighbor relationship table is not correctly updated
题库选的D，有的地方选的B。
以上两道题有没有考试遇到了的同学，到底应该选啥？

帶淚の微笑

Q75：答案ABF 下面解释也很清楚
Explanation/Reference:
IPV6向IPV4过度的方法：隧道，双栈，NAT-PT.
A是静态NAT-PT
B是隧道
F是双栈

Q175：答案D
题目和选项没错 图上路由表给了一个实际不存在的路由 这个不存在的路由不会影响题意和选项的