CCNA 100-101 CHAPTER 1. TCP(IP)
AND OSI NETWORKING MODELS
QUESTIONS & VERIFIED COMPLETE
SOLUTIONS 100%
How many layers in the original TCP/IP model? How many in the updated version? -
Correct Answer ✔✔ 4 and 5
What are the layers of the TCP/IP model? - Correct Answer ✔✔ Application, Transport,
Network/Internet, Link/Data Link & Physical.
HTTP, POP3, SMTP are example protocols of what TCP/IP layer? - Correct Answer
✔✔ Application
TCP and UDP are example protocols of what TCP/IP layers? - Correct Answer ✔✔
Transport
IP is an example protocal of what layer of the TCP/IP model? - Correct Answer ✔✔
Internet
Ethernet, PPP, T1 are example protocols of what TCP/IP layer? - Correct Answer ✔✔
Link
What layer provides an interface between software running on a computer and the
network itself? - Correct Answer ✔✔ Application
What do protocols use as a place to put information used by that protocol? - Correct
Answer ✔✔ Header
Two most commonly used transprot layer protocols? - Correct Answer ✔✔ TCP & UDP
What TCP/IP layer protocols provide services to the application layer protocols? -
Correct Answer ✔✔ Transport
Each layer of the TCP/IP model provides a service to the layer....? - Correct Answer ✔✔
Above it
What is a service that the Transport layer protocol provides to the Application layer? -
Correct Answer ✔✔ TCP: error recovery
, What concept does TCP use that is a feature of error recovery? - Correct Answer ✔✔
Acknowledgements
When a particular layer on a computer wants to communicate with the same layer on
another computer what type of interaction is this? - Correct Answer ✔✔ Same layer
interaction
What type of interaction is it when one layer provides a service to a higher layer on the
same computer? - Correct Answer ✔✔ Adjacent layer interaction
What are the two most important features of the Internet Protocol of the Network Layer?
- Correct Answer ✔✔ Addressing & Routing
What commonly known system uses addressing & routing like the Internet protocol? -
Correct Answer ✔✔ Postal Service
IP defines that each host computer should have a different....? - Correct Answer ✔✔ IP
address
IP defines the process of routing so that devices called routers can forward....... so that
they are delivered to the correct destination. - Correct Answer ✔✔ Packets of data
What layer defines the protocols and hardware required to deliver data across some
physical network? - Correct Answer ✔✔ Link Layer (Data Link Plus Physical)
This is the process of putting headers (and sometimes trailers) around some data? -
Correct Answer ✔✔ Encapsulation
During encapsulation, each layer adds its own header to the data supplied by the higher
layer. What does the Data Link layer do differently than the other layers? - Correct
Answer ✔✔ Adds a trailer
Segment, packet, and frame refers to the headers (and possibly trailers) defined by a
particular layer and the data encapsulated following that header. What layers do each
refer to? - Correct Answer ✔✔ segment for the transport layer, packet for the network
layer, and frame for the link layer
What are the differences between the OSI model and the updated TCP/IP model? -
Correct Answer ✔✔ OSI model: 7-layers
TCP/IP model: 5-layers, combines layers 5-7 of the OSI model into the Application
layer.
This layer of the OSI model provides an interface between the communications software
and any applications that need to communicate outside the computer on which the
application resides. It also defines processes for user authentication. - Correct Answer
✔✔ Application
AND OSI NETWORKING MODELS
QUESTIONS & VERIFIED COMPLETE
SOLUTIONS 100%
How many layers in the original TCP/IP model? How many in the updated version? -
Correct Answer ✔✔ 4 and 5
What are the layers of the TCP/IP model? - Correct Answer ✔✔ Application, Transport,
Network/Internet, Link/Data Link & Physical.
HTTP, POP3, SMTP are example protocols of what TCP/IP layer? - Correct Answer
✔✔ Application
TCP and UDP are example protocols of what TCP/IP layers? - Correct Answer ✔✔
Transport
IP is an example protocal of what layer of the TCP/IP model? - Correct Answer ✔✔
Internet
Ethernet, PPP, T1 are example protocols of what TCP/IP layer? - Correct Answer ✔✔
Link
What layer provides an interface between software running on a computer and the
network itself? - Correct Answer ✔✔ Application
What do protocols use as a place to put information used by that protocol? - Correct
Answer ✔✔ Header
Two most commonly used transprot layer protocols? - Correct Answer ✔✔ TCP & UDP
What TCP/IP layer protocols provide services to the application layer protocols? -
Correct Answer ✔✔ Transport
Each layer of the TCP/IP model provides a service to the layer....? - Correct Answer ✔✔
Above it
What is a service that the Transport layer protocol provides to the Application layer? -
Correct Answer ✔✔ TCP: error recovery
, What concept does TCP use that is a feature of error recovery? - Correct Answer ✔✔
Acknowledgements
When a particular layer on a computer wants to communicate with the same layer on
another computer what type of interaction is this? - Correct Answer ✔✔ Same layer
interaction
What type of interaction is it when one layer provides a service to a higher layer on the
same computer? - Correct Answer ✔✔ Adjacent layer interaction
What are the two most important features of the Internet Protocol of the Network Layer?
- Correct Answer ✔✔ Addressing & Routing
What commonly known system uses addressing & routing like the Internet protocol? -
Correct Answer ✔✔ Postal Service
IP defines that each host computer should have a different....? - Correct Answer ✔✔ IP
address
IP defines the process of routing so that devices called routers can forward....... so that
they are delivered to the correct destination. - Correct Answer ✔✔ Packets of data
What layer defines the protocols and hardware required to deliver data across some
physical network? - Correct Answer ✔✔ Link Layer (Data Link Plus Physical)
This is the process of putting headers (and sometimes trailers) around some data? -
Correct Answer ✔✔ Encapsulation
During encapsulation, each layer adds its own header to the data supplied by the higher
layer. What does the Data Link layer do differently than the other layers? - Correct
Answer ✔✔ Adds a trailer
Segment, packet, and frame refers to the headers (and possibly trailers) defined by a
particular layer and the data encapsulated following that header. What layers do each
refer to? - Correct Answer ✔✔ segment for the transport layer, packet for the network
layer, and frame for the link layer
What are the differences between the OSI model and the updated TCP/IP model? -
Correct Answer ✔✔ OSI model: 7-layers
TCP/IP model: 5-layers, combines layers 5-7 of the OSI model into the Application
layer.
This layer of the OSI model provides an interface between the communications software
and any applications that need to communicate outside the computer on which the
application resides. It also defines processes for user authentication. - Correct Answer
✔✔ Application
