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单选题
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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考题
单选题Which statement is true about logical units?（）A
Logical units are similar to VLANs used by other vendors.B
A logical unit is required for transit interfaces.C
Frame Relay encapsulation supports one logical unit.D
Link speed and duplex are configured in the logical unit properties.
考题
单选题Which statement is correct about a Routing Policy term?（）A
A term must contain a from statement.B
A term acts like if and then statements.C
The most specific term has precedence.D
Terms can be written in any order to achieve the same behavior.
考题
单选题Which statement is correct about the use of the virtual interface on a WLC ？（）A
Used to relay DHCP messagesB
Used to communicate with LAPsC
Used to bring up LWAPP tunnelsD
Used to extend into the wireless client VLAN
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