Podcast
Questions and Answers
What are the two layered models that describe network operations?
What are the two layered models that describe network operations?
Open System Interconnection (OSI) Reference Model and TCP/IP Reference Model
What is one benefit of using a layered model in protocol design?
What is one benefit of using a layered model in protocol design?
Protocols that operate at a specific layer have defined information that they act upon and a defined interface to the layers above and below
How does a layered model promote competition among vendors?
How does a layered model promote competition among vendors?
Products from different vendors can work together
What is one advantage of using a layered model in mitigating the impact of technology changes?
What is one advantage of using a layered model in mitigating the impact of technology changes?
What is one benefit of using a layered model in describing networking functions and capabilities?
What is one benefit of using a layered model in describing networking functions and capabilities?
What addresses are needed to move a packet from the source to the destination?
What addresses are needed to move a packet from the source to the destination?
How are hostnames or URLs translated to IP addresses?
How are hostnames or URLs translated to IP addresses?
Why is a gateway IP address necessary for every host?
Why is a gateway IP address necessary for every host?
What protocol can be used to obtain a physical address (MAC address)?
What protocol can be used to obtain a physical address (MAC address)?
What happens to the data in a packet as it travels from network to network?
What happens to the data in a packet as it travels from network to network?
What is the exception to the rule that Layer 3 addresses (IP addresses) do not change?
What is the exception to the rule that Layer 3 addresses (IP addresses) do not change?
What is the primary function of the Network Layer (Layer 3) in the OSI model?
What is the primary function of the Network Layer (Layer 3) in the OSI model?
How does the TCP/IP model differ from the OSI model in terms of layer division?
How does the TCP/IP model differ from the OSI model in terms of layer division?
What is the role of the Data Link Layer (Layer 2) in the OSI model?
What is the role of the Data Link Layer (Layer 2) in the OSI model?
In the TCP/IP model, what is the primary function of the Internet Layer?
In the TCP/IP model, what is the primary function of the Internet Layer?
What is the primary function of the Transport Layer (Layer 4) in the OSI model?
What is the primary function of the Transport Layer (Layer 4) in the OSI model?
What is the primary function of the Physical Layer (Layer 1) in the OSI model?
What is the primary function of the Physical Layer (Layer 1) in the OSI model?
