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2018 Aug CompTIA Official New Released JK0-023
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CompTIA Network certification
Question No: 451 – (Topic 4)
Which of the following BEST describes a load balancer?
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A device that splits traffic between multiple nodes of a clustered service.
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A device that allows multiple computers to access the internet through a single public IP address.
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A device that filters internet content based on rules and ACLs.
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A device that separates users onto separate WAPs for even distribution.
Answer: A
Question No: 452 – (Topic 4)
Users report that their Internet connection is slow. Zach, the network technician, has a suspicion that users are streaming video and music. Which of the following would BEST confirm Zach’s theory?
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Traffic analysis
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SNMP
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History logs
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System logs
Answer: A
Question No: 453 – (Topic 4)
Which of the following can be used to prioritize network streams to optimize performance for certain traffic types?
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VLAN
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VPN
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QoS
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PoE
Answer: C
Question No: 454 – (Topic 4)
Users report that an internal file server is inaccessible. Of the following commands, which would be the MOST useful in determining network-layer connectivity?
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dig
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nbtstat
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netstat
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ping
Answer: D
Question No: 455 – (Topic 4)
Which of the following tools would Lisa, an administrator, use to determine if there is a problem with a telephone line?
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Port scanner
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Punch down tool
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Butt set
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Toner probe
Answer: C
Question No: 456 – (Topic 4)
The selection of the correct punch down tool to use depends on which of the following?
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Connector type
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Demarcation point location
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Block type
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Switch location
Answer: C
Question No: 457 – (Topic 4)
Which of the following network performance methods would Lisa, a technician, use with SIP phones?
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CARP
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Load balancing
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QoS
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Caching engines
Answer: C
Question No: 458 – (Topic 4)
Which of the following commands would be used to identify how many hops a data packet makes before reaching its final destination?
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route
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netstat
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traceroute
D. ping 127.0.0.1
Answer: C
Question No: 459 – (Topic 4)
Which of the following network optimization methods would be BEST to implement to increase bandwidth for an internal streaming video server?
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ISDN
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QoS
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Upgrade to 10baseT
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Buffer overflow
Answer: B
Question No: 460 – (Topic 4)
Lisa, an administrator, is experiencing availability issues on a Linux server. She decides to check the server for an IP address conflict on the server. Which of the following commands should Lisa use?
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traceroute
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tracert
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ifconfig
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ipconfig
Answer: C
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