Network+ Practice (Part 1)

What device connects subnets?

• NIC

• bridge

• router

• MAC address

Which layer of the OSI model opens and closes conversations between applications?

• Application

• Session

• Data Link

• Transport

In the OSI model, physical addressing takes place at the:

• Data Link Layer

• Layer 4

• Session Layer

• Physical Layer

Layer 6 of the OSI model is also referred to as:

• Application Layer

• Presentation Layer

• Session Layer

• Transport Layer

OSI layer 7 is also known as:

• Transport Layer

• Application Layer

• Session Layer

• Presentation Layer

How many layers does the OSI model contain?

• 3

• 5

• 7

• 9

For a network technician, one benefit of understanding the OSI seven-layer model is using it as a primary tool for __________.

• Purchasing NICs

• Connecting PCs to the Internet

• Troubleshooting Networks

• Securing a PC

Frames in most wired networks hold at most _________.

• 150 bytes of data

• 1024 bytes of data

• 1500 bytes of data

• 48 bytes of data

A MAC address is also known as a(n) __________ address.

• Physical

• Logical

• IP

• Router

Which layer of the OSI model is the only layer divided into two sublayers?

• Transport

• Network

• Data Link

• Physical