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Glossary of networks
Created by blynch
- How to establish a TCP connection?
- 1. Client sends SYN to server, 2. Server responds with SYN-ACK, 3. Client sends ACK (SYN-ACK-ACK)
- What addresses do multicast start with?
- 224.0.0.0
- What applications is TCP typically used for?
- http, ftp, email, secure shell
- What are characteristics of UDP?
- UnreliableNot orderedLightweightDatagrams
- What are common UDP applications?
- DNSstreaming media (IPTV)Voice over IP (VOIP)Trivial File Transfer Protocol (TFTP)online games
- What are the 3 major classes of IP networks?
- A, B, C, D, E
- What are the OSI Layers?
- Physical LayerData link layerNetwork layerTransport layerSession layerPresentation layerApplication Layer
- What are the possible TCP states?
- LISTENSYN-SENTSYN-RECEIVEDESTABLISHEDTIME-WAIT
- What are the standard ports on a system?
- 21/TCP,UDP - ftp
22/TCP,UDP - SSH
23/TCP,UDP - telnet
25/TCP,UDP - smtp
110 - POP3
123/UDP - NTP
445 - Microsoft
- What does the Ether type code do?
- It differentiates which protocol is being carried by the ethernet frame
- What is a class D IP address?
- Multicast Address
- What is BGP?
- Border Gateway Protocol. Used for routing between networks on the internet; supports many advanced routing features
- What is OSPF?
- Open Shortest Path First: A routing protocol which supports the concept of a "core" area to which everything attaches.
- What sets TCP apart from UDP?
- Ordered data transferRetransmission of lost packetsDiscarding duplicate packetsError-free data transferCongestion control
