TestOut Network Pro 1.3.6

Which of the following are included as part of Data Link layer specifications?

Identifying physical network devices. Controlling how messages are propagated through the network.

In the OSI Model, what is the primary function of the Network layer?

Routes messages between networks.

In the OSI model, which of the following functions are performed at the Presentation layer? (Select two)

Specify data format (such as file formats) Encrypt and compress data

In the OSI model, which of the following functions are performed at the Application layer? (Select two)

Enabling communication between network clients and services. Integration of network functionality into the host operating system.

Which of the following functions are performed at the Physical layer of the OSI model?

Movement of data across network cables

The Data Link layer of the OSI model is comprised of two sublayers. What are they? (Select two)

MAC LLC

Which of the following are functions of the MAC sublayer? (Select two)

Defining a unique hardware address for each device on the network. Letting devices on the netowrk have access to the LAN.

Which OSI model layer is responsible for guaranteeing reliable message delivery?

Transport

Match each layer of the TCP/IP model on the left with the corresponding layer of the OSI model on the right. Each option on the left can be used more than once.

Transport
Internet
Network Interface
Application

Presentation – Application Data Link – Network Interface Application – Application Session – Application Network – Internet Transport – Transport

Match the networking function or device on the left with the OSI model layer it is associated with on the right.

Session number
ASCII
Port numbers
Router
Wireless access point
HTTP
Switch

Application – HTTP Presentation – ASCII Session – Session ID number Transport – Port numbers Network – Router Data Link – Switch Physical – Wireless access point

At what OSI layer does a router operate to forward network messages?

Network

Your company purchases a new bridge which filters packets based on the MAC address of the destination computer. On which layer of the OSI model is this device functioning?

Data Link

At which layer of the OSI model do hubs operate?

Physical Hubs operate at layer 1, or the Physical layer.

Which of the following devices operate at OSI model layer 2? (Select two)

Switch Network interface card

Which three of the following devices operate at the Data Link layer of the OSI model?

Switches Network interface cards (NIC) Bridges