请问下各位考过na的~

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情人节题库v104.4版本的第80题和 176题和505题的答案到底是哪个啊~题库的答案和红头发解释的不一样的 求高人~！！！
QUESTION 505
Which two Cisco IOS commands ,used in troubleshooting,can enable debug output to a remote location?
(choose two)
A. no logging console
B. terminal monitor
C. logging host ip-address
D. snmp-server enable traps syslog
E. show logging | redirect flashutput.txt

QUESTION 80
Which statements describe the routing protocol OSPF? (Choose three.)
A. It supports VLSM.
B. It is used to route between autonomous systems.
C. It confines network instability to one area of the network.
D. It increases routing overhead on the network.
E. It allows extensive control of routing updates.
F. It is simpler to configure than RIP v2.

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