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Exam 100-490 topic 1 question 21 discussion

Actual exam question from Cisco's 100-490
Question #: 21
Topic #: 1
[All 100-490 Questions]

The pins on an RJ-45 cable plug are numbered from 1 through 8. When the metal pins of the plug are facing toward you, pin 1 is the leftmost pin. Which two sets of pins are looped on an RJ-45 56K loopback plug? (Choose two.)

  • A. pins 2 and 7
  • B. pins 2 and 8
  • C. pins 2 and 5
  • D. pins 1 and 7
  • E. pins 1 and 4
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Suggested Answer: CE 🗳️
by vinniedadog at March 15, 2021, 11:16 p.m.

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mik67
5 months, 2 weeks ago
Selected Answer: BD
1-7 and 2-8 is for 56k loop, T1 loop shoul be 1-4 and 2-5. https://www.cisco.com/c/en/us/support/docs/wan/t1-e1-t3-e3/5708-hard-loopback.html#lb_png
upvoted 1 times
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Nicope
6 months, 2 weeks ago
Selected Answer: BD
THE ANSWER IS 1-7 AND 2-8
upvoted 1 times
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PabloGtz870908
1 year, 6 months ago
THE ANSWER IS 1-7 AND 2-8
upvoted 1 times
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GabrielTomuta
1 year, 9 months ago
The correct answer for 56K Loopback is: 1-7 2-8
upvoted 1 times
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Bazzaw
2 years ago
The answers given are for T1 loopback, 1-4 and 2-5.
upvoted 1 times
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Bazzaw
2 years ago
Its 1-7 and 2-8 for RJ45 56K loopback
upvoted 1 times
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ismale
2 years, 2 months ago
d and b
upvoted 1 times
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vinniedadog
2 years, 7 months ago
thats wrong its 1 7 2 8
upvoted 1 times
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