单项选择题

Which CLI command displays error statistics for an interface in real-time?（）

A.monitor traffic
B.show interfaces
C.monitor interface
D.show interfaces extensive

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单项选择题

Which CLI command displays packet and byte counts for an interface in real-time?（）

A.monitor traffic
B.show interfaces
C.monitor interface
D.show traffic counts

多项选择题

Which two statements are true regarding interface properties? （）

A.MTU and speed must be configured under each unit.
B.Physical parameters such as MTU, duplex mode, and speed are configured under the interface name.
C.IP and IPv6 addresses are configured under a unit-number.
D.DLCI numbers, VPI/VCI values, and VLAN tags are physical parameters.

多项选择题

Which two statements are true about the rescue configuration file?（）

A.It gets updated automatically when you commit.
B.You need to create it by issuing request system configuration rescue save.
C.It is rollback file number 50 and you can recover it by issuing rollback 50.
D.You can load it by entering rollback rescue.