单项选择题

Your ERX Edge Router is constantly going to a boot## prompt. What is the most likely cause for this condition？（）

A. bad SRP
B. low voltage
C. bad mid-plane
D. corrupted flash
E. bad line module

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单项选择题

Which CLI command is used to set a Privileged Exec password of mypassword？（）

A. enable password 0 mypassword
B. enable password 3 mypassword
C. enable password 5 mypassword
D. enable password 10 mypassword

单项选择题

Which command generates a BERT test pattern of alternating ones and zeros on T1 number 1 for one minute？（）

A. t1 1 bert pattern alt01 interval 1
B. t1 1 bert pattern alt01 interval 60
C. t1 1 bert pattern alt-0-1 interval 1
D. t1 1 bert pattern alt-0-1 interval 60

单项选择题

Which configuration command is used to make the ERX Edge Router an NTP server？（）

A. set ntp-server
B. set ntp server
C. ntp-server enable
D. ntp server enable