[Free] 2018(June) Dumps4cert CompTIA JK0-023 Dumps with VCE and PDF Download 181-190

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2018 May CompTIA Official New Released JK0-023
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CompTIA Network certification

Question No: 181 – (Topic 1)

The BEST way to determine the next hop of a packet is to check the:

  1. link state

  2. routing table

  3. routing metrics

  4. convergence

Answer: B

Question No: 182 – (Topic 1)

Kurt, a network technician, has been troubleshooting a connectivity problem in the LAN room. He has diagnosed the problem and implemented a solution. Which of the following would be Kurt’s NEXT step?

  1. Test the theory

  2. Establish a plan of action

  3. Establish a theory

  4. Document findings

Answer: D

Question No: 183 – (Topic 1)

After a new firewall is installed, users report that they do not have connectivity to the Internet. The output of the ipconfig command shows an IP address of Which of the following ports would need to be opened on the firewall to allow the users to obtain an IP address? (Select TWO).

  1. UDP 53

  2. UDP 67

  3. UDP 68

  4. TCP 53

  5. TCP 67

  6. TCP 68

Answer: B,C

Topic 3, Troubleshooting

Question No: 184 – (Topic 3)

Which of the following wireless standards operates on the same frequency as 802.11a?

  1. Compatible with 802.11b wireless networks

  2. Compatible with 802.11g wireless networks

  3. Compatible with 802.11i wireless networks

  4. Compatible with 802.11n wireless networks

Answer: D

Question No: 185 – (Topic 3)

Sandy, an administrator, needs to install a wireless network that will allow legacy devices to connect to the network and also offer both 5GHz and 2.4GHz frequencies. Which of the following would BEST describe the type of WAP needed?

A. 802.11a B. 802.11b C. 802.11g D. 802.11n

Answer: D

Question No: 186 – (Topic 3)

Which of the following connectors would Kim, a technician, use only for RG-6 cables?

  1. F-connector

  2. MTRJ

  3. RJ-45

  4. RS-232

Answer: A

Question No: 187 – (Topic 3)

Which of the following could be installed to allow a home user with one desktop computer to economically have Internet access in every room in the house?

  1. Fiber optic

  2. CAT6

  3. Broadband over powerline

  4. CAT5

Answer: C

Question No: 188 – (Topic 3)

Kurt, a user, is unable to logon to his domain from his desktop PC. A cable certifier is used and shows a high value of NEXT. Which of the following represents the cause?

  1. Crosstalk

  2. TX/RX reversed

  3. Split cables

  4. DB loss

Answer: A

Question No: 189 – (Topic 3)

Which of the following technologies can change channel widths?

A. 802.11a B. 802.11b C. 802.11n

D. Bluetooth

Answer: C

Question No: 190 – (Topic 3)

Which of the following is the MAXIMUM distance a single 1000BaseT segment can cover?

  1. 100 kilometers (62 miles)

  2. 10 kilometers (6 miles)

  3. 1000 meters (3281 feet)

  4. 100 meters (328 feet)

Answer: D

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