Networking and Internets questions notes

• The Relationship between Protocol Layers and Modality
• Hardware Technologies
• Internet Standards
• Routing
• TCP
• Multi-homed host network bandwidth
• Analog modems, voice circuits and T1 circuits
• Packets, frames, datagrams and PDUs
• Distance limitations with 10Base-T wiring
• Mixing wiring schemes
• Octets and bytes
• Mixing thick Ethernet and 10Base-T
• Timing out a TCP connection
• Demultiplexing TCP connections
• Reserved ports in UNIX
• Sizes of IP headers and IP datagrams
• Queuing arriving UDP datagrams
• The definition of "mega"
• Identifying a DHCP client
• RTT - Round Trip Time
• Failure recovery in FDDI
• Identifying UNIX protocol family connections
• "Snoop"ing on network traffic
• Rebooting and TCP connections
• Types of Ethernet
• Operating systems with two network interfaces
• List of Ethernet frame types
• The origin of Ethernet addresses
• What is a "prototype implementation"?
• 100Base-T and 10Base-T cabling
• More questions about thicknet, thinnet and 10Base-T
• ICMP "Connection refused" message
• What is the audience for "Computer Networks and Internets"
• Using LEO satellites for universal wireless service
• Why the white cover?
• Routing updates
• Network byte ordering
• Differentiating between a single LAN and an internet
• Using UDP and TCP echo for checking the status of a computer
• Cheap routers
• Detecting and fixing routing problems
• New top-level domains (TLDs)?
• Dotted decimal notation confusion
• Switches and routers
• Port selection and coding questions for clients and servers
• 10BaseT Cabling
• 100Mbps Network Performance
• Dyanmic Assignment of IP Addresses
• Data Typing IP Addresses
• Router Statistics in HPOpenView
• The Difference Between Hardware and IP Addresses
• Broadcast and Loopback Addresses
• Physical Addresses on WAN Interfaces
• ARP and the TCP/IP Layering Model
• ARP Results and the TCP/IP Layering Model
• Which Hosts Respond to an ARP Request?
• Programming Languages for Applets
• Repeaters in Ethernet Networks
• Bridges in Ethernet Networks
• Link Layer Broadcast
• Broadcast mand Multicast
• 10BaseT Termination and Cabling
• Buying and Selling Domain Names
• Serial Data Transmission
• Physical and Protocol Layers
• TCP: Connection-oriented or connectionless?
• TCP and Path Selection
• The TCP/IP Layering Model
• RIP Heuristics for Routing Loops
• Delay for CSMA Carrier Sense
• DOS (Denial of Service) Attacks
• Computer Networks and Internets Glossary
• Ports and Sockets
• Data Link and Transport Protocols
• Error in Dijkstra's Algorithm
• Direct Socket Printing
• DNS Architecture
• DNS And Load Balancing
• Record Route Option
• Record Route Optino and Routing Information
• Manchester Encoding
• Attenuation in Ethernet Network Design
• Ethernet and Transmission Errors
• Ethernet and Carrier Frequency
• Minimum Frame Size for Ethernet
• Minimum Frame SIze for 802.3
• Reasons for Limits on Ethernet Frame Size
• Reasons for Limits on Length of an Ethernet Segment
• Ethernet Types
• Code for Internetworking with TCP/IP, Volume 3
• Fragmentation
• "Third-party" FTP
• TCP Connections with FTP
• Full Duplex Ethernet
• Problem with Terminal Server Implementation
• Exmaple of Poisoned Reverse and Split Horizon
• Homogeneous and heterogeneous Networks
• Protocol Stack Implementation
• Redirect Messages
• Correction on Number of Hosts Connected to the Internet
• Differences Between Editions
• U.S.-Centric Internet Architecture
• Peering Arrangements
• Distributed Private Networks
• All 1s Octet in a Class B Address
• "Net 0" IP Addresses
• "Routers" vs. "Gateways"
• Valid IP Addresses
• Statistics on Packet Length in the Internet
• TCP Segment Sizes
• Internet Security
• Mailboxes and Mail Systems
• Load Balancing
• Data Link Layer in OSI
• Loopback Adapter
• Load Balancing TCP Connections
• Additional Teaching Materials
• WinNT and Win95 Routing Tables
• Multicast
• Time Division Multiplexing
• Packet Switches
• Network Address Translation (NAT)
• E-Commerce with HTML
• NetBIOS and NETBEUI
• "nslookup" client
• QoS Packet Classification
• Nyquist's Theorem
• Transferring Packet Traces from CD-ROM
• Host and Protocol Port Lookup
• Packet Delivery in TELNET and rlogin
• ICMP Messages
• ARP and the ARP Cache
• IP routing
• Speed of the Internet
• traceroute
• "Routers" and "Gateways"
• CRCs in Data Link Protocols
• "Proxies", "cookies", Internet FAQ
• Choosing a Default Route
• "getservbyname" and byte ordering
• IP over ATM
• Routers vs. Switches
• Ports in IPC and Sockets
• Origin of Hardware Errors
• FTP and "Reverse Names" (Inverse Lookups)
• Determining the IP Address of a Router
• Notifying a Server when a Client Disconnects
• TCP FIN-WAIT -2 and CLOSE-WAIT states
• TCP Bandwidth Overhead
• Traceroute
• Traceroute and TTL field
• E-mail, Telephone and the Client-Server model
• Initialization in Routers for Vector-distance Routing
• Solution Manual and Additional Teaching Materials
• Effectiveness of CRC and Checksum
• ATM Cell Size, IP and SMDS
• Modulating Electromagnetic Signals
• Tracking Denial of Service Attacks through IP Source Addresses
• Security and ICMP Redirects
• Ethernet Standard and Repeaters
• Network Topologies
• RMON Port Number
• Packet Switches
• NAT (Network Address Translation)
• Endpoints for Sockets
• IP Address Prefixes and Suffixes
• Specification of a Subnet Mask
• TPC/IP Layering Model
• "Internetworking with TCP/IP, Volume 1"
• ARP Table Implementation
• Exercises in Computer Networks and Internets
• Ethernet Repeaters
• Network Standard Byte Order and User Data
• ARP and the TCP/IP Layering Model
• TCP and Bytestream Model
• Doug Speaks Out on Perl
• ADSL Data Rates over Copper
• Ethernet Payloads and Typing
• AT&T TLI vs. Berkeley Sockets
• Clients, Servers and Ports
• Advice on LAN Design
• Traceroute and ICMP
• Traffic Management and Congestion Control
• IP, UDP and Checksums
• Ethernet Voltae Levels
• Ethernet Connectors
• Blocking vs. Non-blocking Socket Calls
• Megabit vs. Megabyte
• Determining the Geographic Location of an IP Address
• Ethernet Address Space
• TCP/IP Between Hosts on a Single Network
• Wireless LAN Systems
• More on Wireless LANs
• WDM and DWDM
• IGMP and IGMP Snooping
• Automatic Virus Scanning
• Transport Layer, Network Layer and Fragmentation
• "Best Effort" Delivery
• Passing Sockets Between Processes
• "send" and Successful Delivery of Data
• IP Routing, PPP, DMZ, SNMP and VLANs
• IPv6 and Load Balancing
• Supernetting and CIDR
• IPv6 "anycast"
• CIDR and Subnet Masks
• VLAN and Host Addressing
• CIDR and the IETF
• TCP Sequence Numbers
• WLAN (Wireless LAN)
• Options for Home Internet Conneciton
• Why use VLANs?
• ARP and DNS
• SONET
• "Seamless data", "switching fabric" and IEEE 802.3x
• "Packets" and "Frames"
• Ethernet Cabling
• Mixed Ethernet Wiring Schemes
• "Octets" vs. "Bytes"
• TCP Timeout and Retransmission
• Multithreading and TCP
• Reserved Ports for TCP and UDP
• Sizes of IP Messages
• Modem Connections
• UDP Input Queues
• Precise Definition of "Mega"
• Definition and Use of RTT
• Failures in FDDI
• UNIX Pipes
• Tracing Packets with General-Purpose Computers
• Detecting Failure in a TCP Peer
• "Fast" Ethernet
• Ethernet Standards
• Ethernet Frame Types
• Ethernet Address Assignment
• What is a "Prototype Implementation"
• 100BaseT and 10BaseT Cabling
• Ethernet Transceivers and "10BaseT"
• "Connection Refused" Response to Attempted TCP Connection
• Audience for Computer Networks and Internets
• Satellite Technology for the Internet and Frequency Dividion Multiplexing
• Routing Table Updates and Routing Protocols
• Network Byte Ordering
• One LAN or Many LANs on a Campus
• ICMP and UDP "ping"
• Cheap Routers
• Repairing Problems with Routign Tables
• New Top-Level Domains for DNS
• Interpreting IP Addresses in Octal
• Switches vs. Routers
• Ports Available on a System
• Netweork Analyzer Software
• Minimum Packet Size for IP
• Writing a Network Analyzer
• Switches versus Routers
• Application Level Gateways
• Router Interfaces
• "Auto-negotiation" and "auto-sensing"
• Obtaining the IP Address of the Computer a Program is Running On
• Ethernet Standard Preamble
• Teoretical ANalysis of Router Systems
• Minimum Frame Size for 100BaseT Ethernet
• Current "Size of the Internet"
• IP Addresses versus Physical Addresses
• Redundant DNS Service
• Modem Not Answering
• Managing a Switch
• "Non-Blocking Architecture"
• Setting up a Backup Internet Connection
• TCP Segment Lengths
• Conversion of "Epoch Times"
• Reuse of UDP Ports and RPC
• "In-band" and "Out-of-band" Management
• Some Networking Jargon
• WAP and TCP
• CAT-5E Cable
• Speeds of 4-wire and Dialup Modems
• Rea;t-Time Transport Protocol (RTP)
• Gratuitous ARP Replies
• Finding the IP Address of the Computer at the Other End of a TCP Connection
• Anonymous Networks
• Setting up a Home Network
• Sharing Files on a Home Networks
• Pseudo-header in UDP and TCP checksum