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JK0-023 Exam Dumps - CompTIA Network+ certification

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Question # 25

Which of the following BEST describes the difference between layer 2 switching and layer 2 routing?

Switching moves packets between hosts on different subnets, and routing moves packets between hosts on the same subnet.

Routing moves packets between hosts on different subnets, and switching moves packets between hosts on the same subnet.

Both routing and switching move packets between hosts on the same subnet, but routing does so at a faster pace.

Both routing and switching move packets between hosts on different subnets, but switching does so at a faster pace.

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Question # 26

IP address based routing occurs on which of the following layers of the OSI model?

Layer 2

Layer 3

Layer 4

Layer 5

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Question # 27

Which of the following OSI layers performs error detection using a Frame Check Sequence?

Session

Transport

Physical

Data link

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Question # 28

Which of the following STP states indicates an inactivated port due to a loop?

Disabled

Learning

Blocking

Forwarding

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Question # 29

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?

Data link

Network

Session

Physical

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Question # 30

Which of the following uses a 128-bit addressing scheme?

MAC

DHCP

IPv4

IPv6

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