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2018 May CompTIA Official New Released JK0-023
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CompTIA Network certification
Question No: 51 – (Topic 1)
Which of the following uses a 128-bit addressing scheme?
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MAC
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DHCP
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IPv4
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IPv6
Answer: D
Question No: 52 – (Topic 1)
Which of the following would be used to run an instance of a Layer 2 device within an application?
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Virtual switch
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Virtual router
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Virtual PBX
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NaaS
Answer: A
Question No: 53 – (Topic 1)
Which of the following differentiates a layer 3 switch from a layer 2 switch?
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Routing
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Bridging
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Switching
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Repeating
Answer: A
Question No: 54 – (Topic 1)
Which of the following are valid hosts for the Private IP Address range 172.16.0.x /23? (Select TWO).
A. 172.16.0.255
B. 172.16.0.0
C. 172.16.1.1
D. 172.16.8.0
E. 172.16.256.255
Answer: A,C
Question No: 55 – (Topic 1)
Which of the following BEST describes how a layer 2 switch functions?
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Switches packets within the same subnet based on MAC addresses
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Switches packets between different subnets based on IP addresses
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Switches packets between different subnets based on MAC addresses
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Switches packets within the same subnet based on IP addresses
Answer: A
Question No: 56 – (Topic 1)
Which of the following protocols resolves IP addresses to MAC addresses?
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DNS
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ARP
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RARP
-
NTP
Answer: B
Question No: 57 – (Topic 1)
Which of the following is the minimum subnet mask to allow 172.16.1.5 and 172.16.4.3 to be on the same subnet?
A. /19 B. /21 C. /22 D. /24
Answer: B
Question No: 58 – (Topic 1)
Multiple networked devices running on the same physical hardware that provide central access to applications and files, where each device runs as a piece of software are known as:
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Virtual desktops.
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Switches.
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PBXs.
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Virtual servers.
Answer: D
Question No: 59 – (Topic 1)
Which of the following protocols are used to view and send mail from a local host off of a remote server? (Select TWO).
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TFTP
-
SNMP
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POP3
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IMAP4
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SFTP
Answer: C,D
Question No: 60 – (Topic 1)
In which of the following layers of the OSI model would MAC addressing be found?
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Network
-
Application
-
Data Link
-
Transport
Answer: C
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