CompTIA Network+ certification JK0-023 Dumps in PDF

Free CompTIA JK0-023 Real Questions (page: 37)


Which of the following differentiates a layer 3 switch from a layer 2 switch?

A. Routing
B. Bridging
C. Switching
D. Repeating

Answer(s): A

Which of the following is an invalid MAC address?

  1. AA:CE:58:FD:90:08
  2. 44:98:3E:F8:33:23
  3. 56:AD:BX:89:55:54
  4. 94:9E:FE:EE:8C:DF

Answer(s): C



Users notice a problem with their network connectivity when additional lights are turned on. Which of the following would be the cause for this problem?

  1. DDOS
  2. Cross talk
  3. Open short
  4. EMI

Answer(s): D



Which of the following is the radio frequency and data rate for 802.11g as specified by the IEEE standards?

  1. 2.0 GHz at 33 Mbps
  2. 2.4 GHz at 54 Mbps
  3. 2.4 GHz at 128 Mbps
  4. 5.0 GHz at 54 Mbps

Answer(s): B



Which of the following would the telecommunications carrier use to segregate customer traffic over long fiber links?

  1. VLAN
  2. MPLS
  3. VPN
  4. PSTN

Answer(s): B



Lisa, an administrator, has been tasked with running cables from one office to another neighboring office by running cables over the light fixtures in the ceiling that connects them. To prevent interference, which of the following cable types should Lisa use?

  1. CAT5e
  2. CAT6
  3. Coaxial
  4. Multimode fiber

Answer(s): D



Share your comments for CompTIA JK0-023 exam with other users:

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Sam
9/7/2023 6:51:00 AM

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Tanvi Rajput
8/14/2023 10:55:00 AM

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6/16/2023 10:47:00 AM

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6/23/2023 1:59:00 AM

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test user
9/24/2023 3:15:00 AM

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1/15/2024 9:10:00 AM

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10/3/2023 6:57:00 PM

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1/19/2024 8:15:00 AM

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5/30/2023 9:37:00 PM

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4/25/2022 10:24:00 AM

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soheib
7/24/2023 7:05:00 PM

question: 78 the right answer i think is d not a

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8/14/2023 8:53:00 AM

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10/1/2023 4:11:00 PM

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9/20/2023 11:27:00 PM

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9/28/2023 8:25:00 PM

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9/18/2023 2:40:00 PM

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Beexam
9/4/2023 9:06:00 PM

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RAWI
7/9/2023 4:54:00 AM

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8/26/2023 1:08:00 PM

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10/15/2023 1:34:00 PM

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1/15/2024 8:19:00 PM

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8/25/2023 1:20:00 PM

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