NetworkingQuestion 55 of 100
What device connects multiple devices within a single local network and forwards frames based on MAC addresses?
a.A modem
b.A router
c.A switch
d.A firewall
Explanation
A switch connects devices within the same local network and uses MAC addresses to forward frames only to the intended port. This makes it more efficient than an older hub, which broadcast to all ports. Switches operate primarily at the data link layer.
Practice all 100 questions free — no signup required.
Related questions on this topic
- What does the 'traceroute' (or tracert) command show?
- What is NAT (Network Address Translation) used for?
- What is the main difference between IPv4 and IPv6?
- What does 'bandwidth' refer to in networking?
- Which protocol securely encrypts web traffic and is indicated by 'https' in a URL?
- What is 'latency' in a network?
Last reviewed: · editorial process
Sen Lin, PrepPass Founder · Verified against Google IT Support Professional Certificate · How we review