多项选择题

Which two statements accurately describe a broadcast domain?（）

A. Broadcast domains requiere that the participating devices connect to common swithces or hubs
B. Broadcast domains consist of devices reachable by frames addressed to the Layer 2 broadcast address
C. Broadcast domains requiere a gateway device such a router
D. Broadcast domains consist of devices that reside on the same VLAN

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单项选择题

What is an advantage of multiple software process running in the Junos OS?（）

A. Each process has its own protected memory space
B. Each process is started manually by the user at boot
C. Aall processes are dependent on each other
D. Multiple processes allow each routing protocol to be independent

多项选择题

What are two reasons why a route might be hidden?（）

A. route preference
B. routing loop
C. invalid next hop
D. routing policy

多项选择题

Which two login-class permissions could permit a user to view the system hierarchy of the active configuration? （）

A. system permision
B. view-configuration permission
C. network permission
D. super-user permission