A.show version
B.show chassis hardware
C.show hardware detail
D.view hardware database
第1题:
A. Serial0/1 is up, line protocol is down
B. Serial0/1 is down, line protocol is down
C. Serial0/1 is up, line protocol is up
D. Serial0/1 is administratively down, line protocol is down
第2题:
以下几个串口通信函数,用于设置串口波特率的是()
A.Serial.begin ()
B.Serial.read ()
C.Serial.print ()
D.Serial.available ()
第3题:
13、对于序列numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10],以下相关操作中哪一个得到的结果中包含数字6?
A.>>> numbers[0: 5]
B.>>> numbers[6]
C.>>> numbers[5: -1]
D.>>> numbers[-4: -1]
第4题:
根据以下的配置,请判断当主接口serial0出故障后,哪一个备份接口最先被启用?()[Quidway-Serial0]standby interface serial 1 30[Quidway-Serial0]standby interface serial 2 40[Quidway-Serial0]standby logic-channel 3 50[Quidway-Serial0]standby logic-channel 2 35
A.serial 1
B.serial 2
C.logic-channel 2
D.logic-channel 3
第5题:
对于序列numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10],以下相关操作中哪一个得到的结果中包含数字6?
A.>>> numbers[0: 5]
B.>>> numbers[6]
C.>>> numbers[5: -1]
D.>>> numbers[-4: -1]
第6题:
以下几个串口通信函数,用于读取串口数据的是()
A.Serial.begin ()
B.Serial.read ()
C.Serial.print ()
D.Serial.available ()