By default, which character indicates the UNIX shell prompt?（）

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 asterisk indicate that the traceroute is completed

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

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