Fatskills
Practice. Master. Repeat.
Study Guide: CompTIA A+ Core Certification: Network Connector Types
Source: https://www.fatskills.com/comptia-a-exam/chapter/comptia-a-core-certification-network-connector-types

CompTIA A+ Core Certification: Network Connector Types

By Fatskills Exam Guides Team — the exam nerds behind 28,500+ quizzes and 2.1M practice questions across 500+ global exams.

⏱️ ~2 min read
Type Description/Application Status  
RJ-11 Standard phone jack. Smaller than RJ-45. Current  
RJ-45 Standard Ethernet cable connector. Current  
F Type Type of coax connector used with satellite boxes, set-top boxes, and CATV. Current  
Straight Tip (ST) The standard fiber-optic connector with a bayonet-style insert and clip. Usually used in pairs with one fiber of inbound data and one fiber of outbound data. Uses round connectors. Current and most common in use  
Subscriber Connector (SC) Similar to ST, but uses square connectors. Current  
Lucent Connector (LC) Similar to ST, but uses square connectors. Current  
Punch-down Block Used for Ethernet cable connections to wall jacks and cross-connect racks in telecom closets. (See Chapter 2.) Current  
USB Universal Serial Bus. Most common connector currently in use Current  
microUSB Smallest of the USB connector types. The USB type for many non-Apple phones. Current/to be displaced by USB-C  
miniUSB About half the size of USB-A. Common for external storage, cameras, and so on. Legacy, but still in use  
USB-C Newest reversible USB connector. Should replace other USB types. Current  
DB9 Nine-pin serial connector that was once common on PCs. Once used for peripherals such as mouse devices and keyboards. Can be used for serial communications to networking equipment. Also used with a DB9-to-USB adapter to PCs without DB9 ports. Legacy, but still in specialized use  
Lightning Apple mobile device connector used for data and power. Current  
SCSI Used internally (hard drives) or externally (printers, storage, and so on). Legacy  
eSATA Used for connecting external storage. Thicker than internal SATA cables. Current  
Molex Not a networking connector. Delivers power from the power supply to various drives and the motherboard inside a PC. Legacy, but still around; replaced by SATA  

⚡ Recently practiced quizzes in this class
Comptia A+ Port Numbers CompTIA A+ Core 220-1002 Questions - 2 CompTIA A+ 220-901 Exam Practice Questions CompTIA A+ Windows Command Line A+ Guide To IT Technical Support Glossary CompTIA A+ Certification 802 Exam Practice CompTIA A+ 220-801 Exam A+ Guide To IT Technical Support - Network Hardware CompTIA A+ 220-901 Practice Questions Comptia A+ 220-902 Exam Terms

ADVERTISEMENT
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.