单项选择题

Which statement is correct about logical units on Juniper Router interfaces?（）

A.Logical units are used only when a Layer 2 identifier is present such as a VLAN
B.A logical unit of 0 is required when using a frame-relay DLCI
C.A logical unit is always required
D.Logical units are not required unless ATM or 802.1Q VLAN tagging is configured.

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单项选择题

Which command configures an address of 192.168.1.1 with a mask of 255.255.255.0 on interface ge-0/0/0?（）

A.set ip interface ge-0/0/0 address 192.168.1.1 255.255.255.0
B.set ip interface ge-0/0/0 address 192.168.1.1/24
C.set interface ge-0/0/0 ip4 address 192.168.1.1 mask 255.255.255.0
D.set interfaces ge-0/0/0 unit 0 family inet address 192.168.1.1/24

单项选择题

Which protocol family is required prior to assigning an IP address to an interface?（）

A.family ip
B.family ip6
C.family inet
D.family inet4

单项选择题

Which command will save the current active configuration as the rescue configuration?（）

A.A
B.B
C.C
D.D