Which of the following can be used to connect dissimilar networks?
A.
Modem
B.
Switch
C.
Gateway
D.
Bridge
Explanation:
A gateway is any hardware and software combination that connects dissimilar network
environments.
Incorrect Answers:
A: A modem modulates digital data onto an analog carrier for transmission over the internet and
demodulates from the analog carrier to a digital signal at the receiving end. B: A switch connects
multiple segments of a network together.
D: A bridge connects two similar network segments together but keeps traffic separated on both
sides of the bridge. Traffic is only allowed to pass through the bridge if it is intended for a host on
the other side of the bridge.References:David Groth and Dan Newland, A+ Complete Study Guide
(2nd Edition), Sybex, Alameda CA, 2002, pp. 312-317.David Groth and Toby Skandier, Network+
Study Guide (4th Edition), Sybex, Alameda CA, 2005, pp. 32-34.