Cisco Certified Network Associate
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Which of the following devices can an administrator use to segment their LAN?
(Choose all that apply)
F. Media Converters
G. All of the above
Answer: C, D, E
Switches and bridges forward broadcast but router do not forward broadcast.
Switches, bridges and routers can segment an Ethernet collision domain.
A. Hubs is incorrect because a hub doesn't segment a network, it only allows more hosts
on one. Hubs operate at layer one, and is used primarily to physically add more stations to
B. This also incorrect because the job of a repeater is to repeat a signal so it can exceed
distance limitations. It also operates at layer one and provides no means for logical LAN
F. This is incorrect because media converters work by converting data from a different
media type to work with the media of a LAN. It also operates at layer one and provides
no means for logical LAN segmentation.
Routers perform which of the following functions? (Select three)
A. Packet switching
B. Collision prevention on a LAN segment.
C. Packet filtering
D. Broadcast domain enlargement
E. Broadcast forwarding
F. Internetwork communication
Answer: A, C, F
A. Routers work in Layer 3 of the OSI Model. A major function of the router is to route
packets between networks.
C. Through the use of access lists, routers can permit and deny traffic using layer 3 and
layer 4 packet information.
F. The primary purpose of a router is to route traffic between differ