220-801 · Question #612
Which of the following connector types is used on a CAT5 cable?
The correct answer is A. RJ-45. CAT5 Ethernet cables terminate with RJ-45 8-pin modular connectors, which are the standard for all Ethernet cabling categories.
Question
Options
- ARJ-45
- BDB-9
- CRJ-11
- DRS-232
How the community answered
(20 responses)- A90% (18)
- B5% (1)
- D5% (1)
Why each option
CAT5 Ethernet cables terminate with RJ-45 8-pin modular connectors, which are the standard for all Ethernet cabling categories.
RJ-45 is an 8-position, 8-contact (8P8C) modular connector used on all twisted-pair Ethernet cables including CAT3, CAT5, CAT5e, CAT6, and CAT6a. CAT5 specifically supports up to 100 Mbps at 100 MHz and physically requires the RJ-45 plug and jack standard to mate with network interface cards and switches.
DB-9 (DE-9) is a 9-pin D-sub connector used for RS-232 serial communications, not Ethernet networking.
RJ-11 is a 6-position, 2- or 4-contact connector used for telephone lines and DSL connections, not Ethernet.
RS-232 is a serial communication standard that uses DB-9 or DB-25 connectors, entirely unrelated to Ethernet cabling.
Concept tested: Ethernet cable connector identification
Source: https://learn.microsoft.com/en-us/windows-hardware/drivers/network/ethernet-standards
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