CompTIA Network+ certification JK0-023 Dumps in PDF

Free CompTIA JK0-023 Real Questions (page: 27)


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 TCP/IP and OSI model layers retransmits a TCP packet if it is not received successfully at its destination?

  1. The transport OSI model layer and the transport TCP/IP model layer.
  2. The transport OSI model layer and the Internet TCP/IP model layer.
  3. The network OSI model layer and the transport TCP/IP model layer.
  4. The network OSI model layer and the Internet TCP/IP model layer.

Answer(s): A




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 ports would have to be allowed through a firewall for NTP to pass on its default port?

  1. 123
  2. 143
  3. 153
  4. 163

Answer(s): A




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

A network technician has determined a managed network switch has failed. The technician knows how to install a new switch, but not how to properly configure it. Which of the following troubleshooting steps should the technician take NEXT?

  1. Escalate the problem
  2. Identify potential effects
  3. Test the theory to determine cause
  4. Establish a plan of action to resolve the problem

Answer(s): A




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 protocols is the BEST choice for retrieving email on multiple devices?

  1. IMAP4
  2. SMTP
  3. FTP
  4. SNMPv3

Answer(s): A




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

Logically separating the ports on a switch without physically separating them can be done using which of the following?

  1. Routing tables
  2. Hub logic
  3. Spanning tree protocol
  4. VLANs

Answer(s): D



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8/24/2023 12:47:00 PM

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9/28/2023 11:42:00 PM

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10/23/2023 12:53:00 PM

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SAJI
7/20/2023 2:51:00 AM

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Raj Kumar
10/23/2023 8:52:00 PM

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7/7/2023 9:46:00 PM

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B.A.J
11/6/2023 7:01:00 AM

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Guss
5/23/2023 12:28:00 PM

hi, could you please add the last update of ns0-527

R
Rond65
8/22/2023 4:39:00 PM

question #3 refers to vnet4 and vnet5. however, there is no vnet5 listed in the case study (testlet 2).

C
Cheers
12/13/2023 9:55:00 AM

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Sumita Bose
7/21/2023 1:01:00 AM

qs 4 answer seems wrong- please check

A
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SK
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Anorag
9/6/2023 9:24:00 AM

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1/10/2023 3:54:00 PM

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1
1
10/28/2023 7:32:00 AM

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8/13/2023 11:58:00 AM

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9/10/2023 9:09:00 AM

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12/9/2023 7:40:00 AM

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7/25/2022 11:58:00 PM

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6/10/2023 6:09:00 AM

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11/16/2023 1:53:00 AM

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Palash Ghosh
9/11/2023 8:30:00 AM

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