Practice Quiz

CompTIA Network+

Category - Media & Topologies

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Jack has messed up the routing connections on his company’s internal network. He now wants to connect his PC to the router’s console port. Which type of cable must he use?
  1. RJ-11
  2. Rollover
  3. RJ-45
  4. Co-axial
Explanation
Answer: B - Rollover cable, also known as Cisco console cable, is a type of null-modem cable that is most commonly used to connect a computer terminal to a router's console port.

Key Takeaway: This cable is typically flat and most commonly light blue in color to help distinguish it from other types of network cabling. The wiring scheme at one end is opposite to the wiring scheme at the other end. RJ-11 is used for telephone connections and RJ-45 is used for LAN connections.
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