Which of the following terms refers to the OSI Network Layer?

• Layer 2

• Layer 5

• Layer 3

• Layer 4

What type of equipment resides at Layer 1 of the OSI model?

• Router

• Hub

• Switch

• Network Cabling

• Repeater

Examples of common protocols that reside at the OSI Transport Layer include:

• UDP

• IP

• HTTPS

• TCP

• ICMP

Which of the answers listed below refers to a unique, 48-bit identifier also known as a physical network address?

• SSID

• IP

• GUID

• MAC

Which of the following devices reside(s) at the Data Link Layer of the OSI model?

• Bridge

• Media converter

• Switch

• Hub

• Network adapter

The term “Presentation Layer” is used in reference to:

• Layer 7 of the OSI model

• Layer 5 of the OSI model

• Layer 6 of the OSI model

• Layer 4 of the OSI model

In the OSI model, the protocol data unit at the Physical Layer is known as:

• Bit

• Frame

• Packet

• Segment

Which of the following is the smallest unit of data in a computer network?

• Segment

• Frame

• Bit

• Packet

• Datagram

Which OSI layer assumes the responsibility for opening, closing and maintaining connections between applications?

• Network Layer

• Data Link Layer

• Application Layer

• Session Layer

Which of the devices listed below is often referred to as a multilayer switch?

• Router

• Media converter

• Bridge

• Transceiver