Practice Quiz

CompTIA Network+

Category - Media & Topologies

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How would you differentiate an RJ-11 connector from an RJ-45 connector?
  1. RJ-11 has 4 contacts, while RJ-45 has 8 contacts.
  2. RJ-11 is circular and RJ-45 is rectangular.
  3. RJ-11 is rectangular and RJ-45 is circular.
  4. RJ-11 has 8 contacts, while RJ-45 has 4 contacts.
Explanation
Answer: A - A standard way of recognizing RJ-11 and RJ-45 connectors is by the number of contacts within the plastic connector. The RJ-11 has 4 contacts and the RJ-45 has 8 contacts.

Key Takeaway: An RJ-45 connector assembly used for a network communication has dimensions larger than those of an RJ-11 connector assembly used for a telephone. The RJ-45 connector has a larger width dimension than the RJ-11 and is configured to facilitate eight connections. The RJ-11 is configured for four connections, but has a form factor to accommodate six.
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