Cpsc 441 Midterm exam review

Ch1: Intro

LANs, WANs, Client / Server, Peer-to-Peer

Topologies: Bus, Star, Ring, Distributed

OSI layers, protocols

TCP/IP versus OSI

Example networks

Ch2: Physical layer

Basic theory, Electromagnetic spectrum, Analog/Digital transmission

Nyquist theorem

Transmission media: Cable type versus Radiated

Satellite communication

Telephone system, Voice channel, Modulation

Broadband transmission: FDM, TDM, STDM, WDM (Wavelength Division Multiplex)

Circuit switching, Message switching, Packet switching, Virtual circuit

Ch3: Datalink layer - Logical Link Control

Type of service: Acknowledged, Unacknowledged; Connection-oriented, Connectionless

Synchronous, Asynchronous transmission

Framing: Byte count, Bit, Byte stuffing, Manchester encoding

Error checking: Parity, CRC

Flow control, protocols: Stop-Wait, Sliding window

Line utilization calculation

Examples of real life protocols: HDLC, PPP 

 Ch5: Network layer - IP Addressing

IP Address, Classes of address, Netmask
Routers, Routing tables; netstat, ifconfig commands
Classless Addressing - CIDR
Network Address Translation - NAT
IP Version 6
NIC card address - IP address translation:

ARP, RARP, BOOTP, DHCP

Ch7: Application layer - Domain Name Service(DNS)
Domain Name Space, Zones
DNS Servers, Server database
nslookup command; DDNS