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2018 Aug CompTIA Official New Released JK0-023
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CompTIA Network certification
Question No: 631 – (Topic 6)
A network administrator is configuring PXE boot to reimage a computer lab. Which of the following must be configured on the existing DHCP server to specify the IP address of the imaging server from which the clients must boot?
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Scope
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Reservation
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Option
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Lease
Answer: C
Question No: 632 – (Topic 6)
Jeff, a user, is having a problem with a POTS line. Which of the following tools would Jeff use to make sure the phone lines have a dial tone?
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Loopback plugs
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Butt set
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Cable certifier
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Toner probe
Answer: B
Question No: 633 – (Topic 6)
Which of the following can be configured on a managed network switch to send real time alerts to a technician?
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SSID
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SMTP
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SNMP
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Syslog
Answer: C
Question No: 634 – (Topic 6)
Frequency, channel bonding, and MIMO configuration are all characteristics of which of the following networking technologies?
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Wi-Fi
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SONET
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T1/E1 Internet
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Satellite Internet
Answer: A
Question No: 635 – (Topic 6)
Which of the following network topologies is MOST commonly used by online file sharing websites?
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Point to multipoint
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Peer-to-peer
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Ring
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Hybrid
Answer: B
Question No: 636 – (Topic 6)
Which of the following appliances creates and manages a large number of secure remote- access sessions, and also provides a high availability solution?
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Media converter
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Proxy server
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VPN concentrator
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Load balancer
Answer: C
Question No: 637 – (Topic 6)
Which of the following is MOST commonly used with a fiber-optic network backbone?
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100BaseFX
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100BaseT
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100BaseTX
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1000BaseCX
Answer: A
Question No: 638 – (Topic 6)
Which of the following devices exist as either hardware or software to assist in routing traffic? (Select TWO).
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Cable modem
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Layer 2 switch
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Router
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NIDS
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Layer 3 switch
Answer: C,E
Question No: 639 – (Topic 6)
A technician installs a new CAT6 cable from one end of the office building to another, a
total distance of 600 feet (182.88 meters). When a laptop is connected to the cable, it cannot connect to the Internet. Which of the following is MOST likely the cause of this problem?
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Bad connectors
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Crosstalk
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DB loss
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TXRX reversed
Answer: C
Question No: 640 – (Topic 6)
Sandy, a user, is unable to access the Internet. The network administrator notices that the workstation has an APIPA address. Which of the following is MOST likely not functioning correctly in this situation?
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Broadcast address
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Multicast address
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DNS
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DHCP
Answer: D
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