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2018 Aug CompTIA Official New Released JK0-023
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CompTIA Network certification
Question No: 321 – (Topic 3)
Which of the following BEST describes the point at which an ISP’s responsibility for an Internet connection ends?
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Router
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MDF
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IDF
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Demarc
Answer: D
Question No: 322 – (Topic 3)
Which of the following technologies allows more than two transceivers with an access point?
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MIMO
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FIFO
C. 802.1x
D. WPA
Answer: A
Question No: 323 – (Topic 3)
After Karen, a new user, moves furniture into a cubicle, the computer does not connect to the network any longer. Which of the following would be the MOST likely reason? (Select TWO).
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Bad Ethernet switch port
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TX/RX reversed
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Bad connectors
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Bad patch cable
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Mismatched MTU
Answer: C,D
Topic 4, Network Management
Question No: 324 – (Topic 4)
Which of the following is used to ensure traffic flows efficiently on multiple T-1 circuits?
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DNS server
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Content filter
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Proxy server
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Load balancer
Answer: D
Question No: 325 – (Topic 4)
Which of the following commands can a network technician use to check whether the DNS server for a given domain is reachable?
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nmap
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nbtstat
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dig
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arp
Answer: C
Question No: 326 – (Topic 4)
Which of the following devices will allow Lisa, a user, to see a cached copy of websites?
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Content switch
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DNS server
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Proxy server
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Load balancer
Answer: C
Question No: 327 – (Topic 4)
Users report that an internal web server is not responding. Which of the following commands could be used on the server to confirm that the web service is running?
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nbtstat
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traceroute
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nslookup
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netstat
Answer: D
Question No: 328 – (Topic 4)
A network administrator wants to see what ports are open on a server. Which of the following commands will show open ports?
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netstat
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tracert
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nbtstat
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nslookup
Answer: A
Question No: 329 – (Topic 4)
An administrator is attempting to troubleshoot a program that is unable to resolve IP addresses from FQDNs. Which of the following commands is used to check reverse DNS settings?
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dig
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ifconfig
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nbtstat
-
route
Answer: A
Question No: 330 – (Topic 4)
A technician is unable to easily trace physical connections within a network rack. Which of the following practices would save time in the future?
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Change management
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Cable management
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Asset management
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Setting baselines
Answer: B
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