In the MAC address 00:90:69:9f.ea:46, what represents the Organizationally Unique Identifier (OUI)?（）

单项选择题Which J-Web lab do you use lo add licenses to the device?（）

A."Configure"
B."Troubleshoot"
C."Monitor"
D."Maintain"

单项选择题Which statement is true about terms in a policy?（）

A. A single term can be applied to a protocol or interface, independent of the policy
B. Every policy must contain at least one term
C. The name of a term is limited to five characters
D. Terms are optional

单项选择题By default, which character indicates the UNIX shell prompt?（）

A.#
B.>
C.$
D.%

单项选择题Referring to the exhibit, which statement is correct?（）

A. The packets have exceeded the time-to-live value
B. There is a loop
C. The asterisks indicate a response time out
D. The asterisks indicate that the traceroute is completed.

多项选择题Which two statements are true regarding an Ethernet collision domain?（）

A. If a switch is used, the collision domain is limited to each device and the switch
B. If a hub is used, the collision domain is limited to each device and the hub
C. If a hub is used, the collision domain includes all devices connected to the hub
D. If a switch is used, the collision domain includes all devices connected to the switch