CCNA Training

Cisco Exams Tutorial Definitions

Which of the following devices can an administrator use to segment their LAN?
(Choose all that apply)

A. Hubs
B. Repeaters
C. Switches
D. Bridges
E. Routers
F. Media Converters
G. All of the above

Answer: C, D, E

Explanation:
Switches and bridges forward broadcast but routers do not forward broadcasts by default
(they can via the "ip helper-address" command).
Switches, bridges and routers can segment an Ethernet collision domain via the use of
VLAN's
Incorrect Answers:

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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 the LAN.
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
segmentation.
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.