单项选择题
After issuing the show interfaces terse command, you notice that the status of one interface is "up down". What does this indicate?"（）
A.Layer 1 on the interface is up but Layer 2 is down.
B.Layer 2 on the interface is up but Layer 3 has not been configured.
C.The interface is administratively up but the link status is down.
D.The interface is up but has been administratively turned off.
相关考题
-
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. -
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
