[Free] 2018(June) Dumps4cert CompTIA JK0-023 Dumps with VCE and PDF Download 61-70

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

Question No: 61 – (Topic 1)

Which of the following represents the physical address of a network access card?

A. FF01:D2:C4:87::11

B. 00-30-48-83-9B-C8

C. 08-9D-35-22-L2-34-FF-21

D. 2D1A:C3:0:1C3B:2AD:FF:FEBE:9D3A

Answer: B

Question No: 62 – (Topic 1)

Which of the following virtual components maintains a MAC-to-port forwarding table?

1. Virtual PBX

2. Virtual desktop

3. Virtual switch

4. Virtual server

Answer: C

Question No: 63 – (Topic 1)

Which of the following protocols uses port 3389 by default?

1. RDP

2. TFTP

3. IMAP

4. DNS

Answer: A

Question No: 64 – (Topic 1)

DHCP uses which of the following ports by default?

1. 21

2. 23

3. 68

D. 443

Answer: C

Question No: 65 – (Topic 1)

Jeff, a network technician, is concerned about the environmental effects of power consumption and heat from network resources. Limited space is also a concern. Which of the following technologies should be implemented?

1. Circuit switching

2. Network address translation

3. Power over Ethernet

4. Virtual servers

Answer: D

Question No: 66 – (Topic 1)

A company would like their technicians to be able to connect to employee desktops remotely via RDP. Which of the following default port numbers need to be opened on the firewall to support this?

A. 143

B. 443

C. 3389

D. 8080

Answer: C

Question No: 67 – (Topic 1)

Which of the following uses distance vector algorithms to determine the BEST network route to a destination address?

1. IS-IS

2. OSPF

3. BGP

4. RIP

Answer: D

Question No: 68 – (Topic 1)

A user is unable to open up websites on the Internet from a browser. The administrator determines that the workstation can ping its local gateway, but not the remote web server. At which of the following layers of the OSI model does the problem MOST likely exist?

1. Data link

2. Network

3. Session

4. Physical

Answer: B

Question No: 69 – (Topic 1)

A home user states during a basement remodel, one of the workers cut the network cable that goes from the modem to the WAP and nothing else has changed. According to the network troubleshooting methodology, which of the following is the NEXT step?

1. Identify the problem

2. Question the user

3. Establish a plan of action

4. Establish a theory of probable cause

Answer: C

Question No: 70 – (Topic 1)

Which of the following DNS records would allow for a website to have more than one FQDN?

1. TXT

2. PTR

3. MX

4. CNAME

Answer: D

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