A. service dhcp-external
B. set dhcp external server
C. set dhcp-external server
D. dhcp external server
第1题
A. show interfaces terse
B. show interfaces
C. show configuration interfaces
D. show interface status
第2题
A. 5 minutes
B. 30 minutes
C. 60 minutes
D. 90 minutes
第3题
A. They provide dynamic IP addresses for DSIs.
B. They provide dynamic IP addresses for SRC applications.
C. They provide dynamic IP addresses from pools for PPPoE subscribers.
D. They provide dynamic IP addresses from pools for Routed IP subscribers.
第4题
A. show system boot-messages
B. show chassis messages
C. show file system boot-messages
D. show boot-log messages
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