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52 Cards in this Set
- Front
- Back
What does TCP/IP stand for?
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Transmission Control Protocol / Internet Protocol
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What are the 4 Layers of TCP/IP?
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1 - Network Interface
2 - Internetwork 3 - Transport 4 - Application |
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What is the "Network Interface Layer" affiliated with in the OSI Model?
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Phyical Layer
Datalink Layer |
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what is the "Internetwork Layer" affiliated with in the OSI Model?
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Network Layer
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what is the "Transport Layer" affiliated with in the OSI Model?
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Transport Layer
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what is the "Application Layer" affiliated with in the OSI model?
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Session Layer
Presentation Layer Application Layer |
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What does the Network Interface Layer do? (3)
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- Hardware addressing
- Media Access Control - Phyical Topology |
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What does the Internetwork Layer do?
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Logical Addressing
ex: IP addressing |
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What does the Transport Layer do?
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- End-to-End packet delivery, reliability and flow control
- Determins connectionless or connection-oriented services |
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What does the Application Layer do? (4)
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Provides App Interface while providing session establishment and control
- Data Formatting - Data Conversion - Data Encryption |
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What Protocols does the Application layer of TCP/IP model do? (4)
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-Email
-Remote Login -File Transfer -Web Browsing |
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FTP
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File Transfer Protocol
- Send data over reliable connection |
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TFTP
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Trivial File Transfer Protocol
- send data over unreliable connection |
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NFS
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Network File System
- Distributed File System developed by SUN |
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SMTP
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Simple Mail Transfer Protocol
- messaging or E-mail transfer protocol |
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Telnet
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Terminal Emulater Protocol
- used to login to remote machine |
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rLogin
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Remote Login Applicaiton
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SNMP
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Simple Network Managment Protocol
- conntionless, permit remote tracking of TCP/IP host |
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DNS
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Domain Name System
- Provide TCP/IP host name to IP address |
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HTTP
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Hypertext Transport Protocol
- Connection-oriented protocol, connect to other computers on the internet |
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What are the two types of Protocols for the Transport Layer of the TCP/IP model?
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TCP and UDP
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TCP port 20
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FTP data transfer
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TCP port 21
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FTP control port
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TCP port 23
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Telnet
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TCP port 25
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SMTP
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TCP port 53
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DNS
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UDP port 53
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DNS
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UDP port 67
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DHCP
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UDP port 68
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DHCP
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TCP port 80
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HTTP Web Services
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TCP port 123
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NTP
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POP3
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Post Office Protocol V3
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UDP port 123
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NTP
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TCP port 110
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POP3
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TCP port 119
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NNTP
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UDP port 69
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TFTP
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UDP port 161
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SNMP
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what does TCP stand for?
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Transmission Control Protocol
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what does UDP stand for?
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User Datagram Protocol
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Internetwork Layer
Example: (2) |
- Handles Logical addressing
Example: IP, ICMP |
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What does ICMP stand for ?
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Internet Control Message Protocol
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What is ARP?
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Address Resolution Protocol
- resolves IP to MAC address for souce that knows IP address but not the MAC |
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what does RARP stand for?
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Reverse Address Resolution Protocol
- Provides IP address from a MAC address. Basically knows MAC then finds IP |
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What is a Routed Protocol?
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contains enough info in its header to be routed through an internetwork.
(contains source and destination IP address & destination MAC address) |
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ARP Table (2)
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- Stored in RAM
- a devices mapping of MAC to IP address |
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Network Interface Layer
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- MAC address, network card drivers, and specific interfaces for the network card function at this level
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what are the 3 layers of the Cisco Three-Layer Hierarchical Model?
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Access Layer
Distribution Layer Core Layer |
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What is the Cisco Three-Layer Hierarchical Model?
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- focuses on how best to design a relatively large network w/ expected growth
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(Cisco Three-Layer Hierarchical Model)
Access Layer |
Layer closest to the user that connects them to the netowrk
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(Cisco Three-Layer Hierarchical Model) (2)
Distribution Layer |
- Implement network polocies
- provides network services, firewall, QOS |
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what does QOS stand for?
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Quality of Service
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(Cisco Three-Layer Hierarchical Model)
Core Layer |
Switch Large Amount of Data Quickly
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