match protocols to port #s and layers....things that are stared are important
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| SMTP* | L7 | TCP - port 25* | Simple mail Transfer protocol... send emails
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| DNS* | L7 | UDP & TCP - port 53* | Domain Name Service... english to IP translation
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| HTTP* | L7 | TCP - port 80* | Hyper Text Transmission Protocol...hyperlinks to connect websites for web browsing
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| POP3 | L7 | TCP - 110 | Post Office Protocol email receiving
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| NNTP | L7 | TCP - 119 | Network News Transfer Protocol...transfers posted news articles between servers
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| TFTP | L7 | UDP- port 69 | Trivial File Transfer Protocol stripped-down file transfers
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| SNMP | L7 | TCP - 161 | Simple Network Management Protocol - often used To query the network devices for information
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| TCP | L4 | port 6 | Transmission Control Protocol.. reliable delivery boy creating connection-oriented transfers
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| UDP | L4 | port 17 | User Datagram Protocol... unreliable delivery using connectionless transfers, but less overhead
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| SPX | L4 | -- | Sequenced Packet exchange.. connection managment tools added to IPX for reliable connection-oriented communication
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| IP | L3 | -- | Internet Protocol... connectionless network addressing and routing
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| IPX | L4 | -- | Internetwork acket eXchange.. unreliable delivery boy using connectionless transfers, Netware's alternative to TCP/IP
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| ARP | L3 | -- | Address Resolution Protocol.. Finds the MAC address given an IP address
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| RARP | L3 | -- | Reverse Address Resolution Protocol... finds the IP address
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| BootP | L3 | -- | Bootstrap Protocol.. finds the workstations IP and what the workstation should do first
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| DHCP | L3 | udp - port 67 & 68 | Dynamic Host Configuration Protocol.. "I'm new here, what is all my IP information?"
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| ICMP | L3 | -- | Internet Control-Message Protocol...error-reporting, supporting: PING, traceroute, delivery of operational messages
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| RIP | L7 | UDP -520 | Routing Information Protocol... uses hop count as a metric to determin the best path for the routing path. Note- traceroute/ICMP messages are used to determine the hope count
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| IGRP | L3 | -- | Interior Gateway Routing Protocol .. routing scheme for large heterogeneoud networks
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| 802.2 | L2 | -- | defines connection-oriented and connectionless operations (framming)
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| PPP | L2 | -- | Point-to-Point... connects nodes
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| HDLC | L2 | -- | High-Level Data Link Control.. error correction
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| FTP | L7 | TCP- port 20 | file transfer service
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| STP | L2 | -- | Spanning Tree Protocol...runs on bridges and switches to avoid loops in paths.(blocking, listening, learning, forwarding)
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| ssh* | L7 | TCP - port 22 | secure shell - allows for encrypted/secure remote access to devices
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| SSL* | L7 | TCP - port 443 | HTTPS
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| Syslog* | L7 | UDP - port 514 | system logging
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| FTP control* | L7 | TCP - port 21* | File Transfer Protocol for secure file managment
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| Telnet* | L7 | TCP - port 23* | terminal emulator program that uses L3 IP and L4 TCP
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