D481 - Chapter 3 Flashcards
What is the corresponding layer of “Application” from the TCP/ IP model in the OSI Reference Model?
Application
What is the corresponding layer of “Presentation” from the OSI Reference Model in the TCP/ IP reference model?
Application
What is the corresponding layer of “Session” from the OSI Reference Model in the TCP/ IP model?
Application
What is the corresponding layer of “Transport” from the OSI Reference Model in the TCP/ IP model?
Host-to-Host
What is the corresponding layer of “Data Link” from the OSI Reference Model in the TCP/ IP model?
Physical
What is the corresponding layer of “Network” from the OSI Reference Model in the TCP/ IP model?
Network or Internetwork
What is the corresponding layer of “Physical” from the OSI Reference Model in the TCP/ IP model?
Physical
What is an advantage that packet switching has over circuit switching?
Packet switching scales better than circuit switching.
I.e., Packet switching shares network resources and therefore scales better the circuit switching
True or False.
IP-based networks use leased analogy communication lines.
FALSE.
Circuit switched networks use analogy communication lines; IP-based networks use IP-based systems.
What network physical topology matches the following description
“Computers connected in a closed circle.”
Ring
I.e., Ring is physical topology with all the computers connected in a closed circle.
What network physical topology matches the following description
“Computer connected in a linear setup.”
Bus
I.e., A bus is a line of computers connected.
What network physical topology matches the following description
“Every computer directly connected to all other computers.”
Mesh
I.e., A mesh provides reliability from all of the computers being connected to all other computers in the network.
What network physical topology matches the following description
“Computers connected to a central device.”
Star
I.e., A star has a central device to which computers are connected.
What “internetwork type” matches the following description?
“Contains a central device(s) that handles data storage and retrieval”
Client/ Server Internetworking
I.e., The servers are central devices that handle data storage and retrieval for the clients.
What “internetwork type” matches the following description?
“A connection between many different computers directly shares resources.”
Peer-to-Peer Internetworking
I.e., Peers directly share resources.
What “internetwork type” matches the following description?
“A network that scales easily with more computers”
Client/ Server Internetworking
I.e., The client/server system scales better then the peer-to-peer system.
What “internetwork type” matches the following description?
“A network that works best in small office home offices (SOHO)”
Peer-to-Peer Internetworking
I.e., Peer-to-peer network works well in a small network.
What device is used for the following network activities and protocols?
“Rapid Spanning Tree Protocol (RSTP)”
A Switch
I.e., Rapid Spanning Tree Protocol (RTSP) stops looping on switches.
What device is used for the following network activities and protocols?
“Forwarding of Ethernet Frames”
A Switch
I.e., Switches forward frames in a local network.
What device is used for the following network activities and protocols?
“Power over ethernet (POE)”
A Switch
I.e., Switches can provide power of ethernet.
What device is used for the following network activities and protocols?
“Directing a packet from one network to another”
A Router
I.e., Switches handle local traffic; routers move traffic from one network to another.
What are considered “Internet (Network) layer protocols” in the TCP/IP model?
IP - This is Internet Layer protocol of TCP/ IP model
Internet Control Protocol Message (ICPM) - This is Network Layer protocol of TCP/ IP model
Dynamic Host Configuration Protocol (DHCP) - This is Internet Layer protocol of TCP/ IP model
At what layer of the OSI Reference Model does Internet Protocol Security (IPSec) work?
At the Network Layer (Layer 3)
What layer of the OSI Reference Model utilizes the transfer of segments?
Transport (Layer 4)
At what Layer of the OSI Reference Model does IPSEC work?
Layer 3 (Network)
What type of network has a low total cost of ownership?
The Internet Protocol (IP) based network
Why? - Because the network is shared across many different business functions
