Which two external authentication servers are supported for administrative access to a Junos device?（）

A. load override rescue
B. rollback rescue
C. load replace rescue-configuration
D. rollback 49

A. Any warning message will be sent to the 152.170.10.10 host.
B. A warning message will be logged when the 152.170.10.10 host logs in.
C. Changes to the device's internal temperatures will be logged.
D. Changes to the configuration will be logged.

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.