Podcast
Questions and Answers
What is the function of the data link layer in the OSI model?
What is the function of the data link layer in the OSI model?
- Encrypt the data before transmission
- Prepare data for transmission and control how the data accesses the physical media (correct)
- Receive signals across the connecting media
- Control the physical media access only
What is the primary responsibility of the physical layer in a data network?
What is the primary responsibility of the physical layer in a data network?
- Ensuring secure connections between devices
- Preparing data for transmission
- Encoding the binary digits that represent data into signals for transmission (correct)
- Routing data packets to their destination
Which types of connections are mentioned in the text?
Which types of connections are mentioned in the text?
- Wired and wireless connections (correct)
- Optical and satellite connections
- Ethernet and Bluetooth connections
- Fiber optic and coaxial connections
What do Network Interface Cards (NICs) do?
What do Network Interface Cards (NICs) do?
In the TCP/IP model, which two layers are closely tied according to the text?
In the TCP/IP model, which two layers are closely tied according to the text?
What do switch devices and wireless access points have in common according to the text?
What do switch devices and wireless access points have in common according to the text?
Which type of NIC would a network printer most likely have?
Which type of NIC would a network printer most likely have?
What happens at the Physical Layer of the OSI model?
What happens at the Physical Layer of the OSI model?
How are digital signals represented?
How are digital signals represented?
What is one reason for signal deterioration as it travels through the medium?
What is one reason for signal deterioration as it travels through the medium?
When data is sent over physical medium, what does it need to be converted into?
When data is sent over physical medium, what does it need to be converted into?
What layer segments user data and places it into packets?
What layer segments user data and places it into packets?
Which layer encodes frames and creates the electrical, optical, or radio wave signals that represent the bits in each frame?
Which layer encodes frames and creates the electrical, optical, or radio wave signals that represent the bits in each frame?
What happens to signals as they travel through the media?
What happens to signals as they travel through the media?
