Answers to Review Questions
621
12.
B. VLANs control broadcast domains. Collisions, duplex, and
mirroring are all done by the switch.
13.
E. This is the proper software for VLAN configuration and management.
14.
D. CDP discovers and retains information regarding directly con-
nected Cisco devices.
15.
B, C, D. The SAGE handles non-Ethernet frames, but all frames are
handled by the EARL and SAMBA ASICs.
16.
B. The correct syntax for the command that provides port information
is given in B.
17.
D. VLAN information is automatically propagated via the VTP pro-
tocol within the domain. Each switch can only belong to one domain.
18.
B. One VLAN per non-trunking port. When a port is a trunk port, it
handles all VLANs.
19.
A. An ISL port has the same function as a trunking port.
20.
C. Collisions are possible if there are multiple workstations on a switched
port or the port is configured to half duplex instead of full duplex.
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