What is the default configuration register setting on most Cisco routers? A. 0x2104 B. 0x2012 C. 0x2210 D. 0x2102 E. 0x2142 F. N

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问题 What is the default configuration register setting on most Cisco routers?
A. 0x2104
B. 0x2012
C. 0x2210
D. 0x2102
E. 0x2142
F. None of the above

选项

答案D

解析 Explanation:
About 99 percent of the time someone uses a config-register, it’s more than likely because of a lost router password. Normally, the two config-registers for recovering passwords are 0x2102 and 0x2142.

The first config-register, 0x2102, is the normal config-register if you boot the router from internal Flash. You can see this config-register by using the show version command. In this output, you’ll notice the last line says, "Configuration register is 0x2102." This is normal.
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