Network+ : Servers and Support

Redundancies

RAID Levels

Backup Techniques

On the CD:

Dr. TCP

TCPView

Freeproxy

On the Internet:

About MTU

http://searchnetworking.techtarget.com/sDefinition/0,,sid7_gci213605,00.html

http://www.tech-faq.com/mtu.shtml

http://openvpn.net/archive/openvpn-devel/2002-07/msg00009.html

http://www.dslreports.com/forum/remark,17719662?hilite=

What is my external IP? WhatIsMyIP.com

How fast is my Internet connection? DSLReports.com

 

The OSI Model

The 802 Stack

Media Types

Network Types

Protocol Stacks

IP Address Classes

Subnets and CIDR

Ports

WAN Protocols

Wireless Variants and Security

Command-Line Tools

Cross-Platform Connectivity

RAID

Backing Up

Network+ : Sharing Resources

Naming: UNC and URL

Permissions: Share-level and Domain

Accessing Shares

DNS

IPCONFIG /DISPLAYDNS (or /FLUSHDNS)

NSLOOKUP and dig

http://www.zoneedit.com/doc/nslookup.html

http://www.windowsnetworking.com/articles_tutorials/Using-NSLOOKUP-DNS-Server-diagnosis.html

http://www.activexperts.com/support/activmonitor/nslookup

DHCP

APIPA

WINS

NBTSTAT -c (or no switch)

The NET commands

Routing and Routing Tables

NETSTAT -NR and ROUTE PRINT

NAT

Proxy Servers

http://www.ripe.net/

http://en.wikipedia.org/wiki/RIPE

http://www.ripe.net/ris/index.html

http://www.ris.ripe.net/bgplay/

Longest prefix match: http://en.wikipedia.org/wiki/Longest_prefix_match

http://groups.google.com/group/news.admin.net-abuse.sightings/browse_thread/thread/af33e9b82606e603/b1fa87415bedced0?lnk=raot

http://en.wikipedia.org/wiki/Autonomous_System_Number

Network+ : TCP/IP and Network Operations

Exercises:

Configuring NICs

Network Setup:

NetBIOS

IPX/SPX

TCP/IP

TCP/IP Networking

Local Networking

MAC Resolution

MAC uses FRAMES (with MAC headers)

Broadcast: FFFFFFFFFFFF  (12 Fs)

How do you tell if it’s local or remote?

arp -a
arp -d *

Out-of-subnet Networking: IP

Gateways

Subnet Masking

Class
First Octet
Number of addresses
A
1 – 126
16.7 Million
(loopback)
127
 
B
128 – 191
65,534
C
192 – 223
254

Classless Subnetting (CIDR)

Non-Routable Special Addresses

Class
     
A
10.0.0.0
10.255.255.255.255
B
172.16.0.0
172.31.255.255
C
192.168.0.0
192.168.255.255

DNS

DHCP

WINS

Network Operating Systems

Models:

Client/Server
Peer-to-Peer
Resource-Based (Workgroup)
Server-Based (Domain)
Organization-Based (Directory)

Network+ : Networking Variants, Physical Installation

Ports

http://www.lb.shuttle.de/apastron/ports.htm

“Exotic” or Large-Scale Network Protocols

FDDI and CDDI
ATM
Frame Relay
MPLS
Metro Ethernet

Installation

Structured Cabling
Fire Ratings
Equipment Rooms
Equipment Racks: 19″, “U” units
Patch Panels
Patch Cables
EIA/TIA 606
Floor Plans
Pulling
Testing

Multispeed Switches and Backbone Networks

Toners

Wireless Networking

Wireless NICs
Access Points (APs)
Wireless Bridges: Point to Point / Point to Multipoint

Wireless Networking Software

Modes: Ad-hoc vs. Infrastructure

Basic Service Set

Extended (Basic) Service Set

CSMA/CA

Wireless Networking Security

SSID

MAC Filtering

WEP

64 bit encryption
Shared, static key

WPA

128 bit encryption
Key variants: Enterprise 802.1x vs. Personal PSK

Exercise:

WAP Configuration

Network+ : From Physical Topologies to Protocols and Domains

Network Topology
Bus
Ring
Star
Physical vs. Logical

Cable

Coaxial

RG-5 – Cable service
RG-8 – 10Base5
RG-62 – TV
RG-58 – 10Base2
RG-59 – rare Cable service
STP – usually Token Ring

UTP

10BaseT – see p. 128
100BaseTX
100BaseT4
1000BaseCX
1000BaseSX
1000BaseLX

Fiber Optic

10BaseFL – early fiber optic
100BaseFX

Boxes

Repeater
Bridge
Hub
Switch
Router
MAU or MSAU

IEEE

802.1x – NAC
802.2 – MAC
802.3 – Ethernet
802.5 – Token Ring
802.11 – Wireless

a
b
g
n
MIMO

The Data Link Layer
Logical Link Layer
Media Access Control Layer
Full vs. Half-duplex

Network Protocol Stacks

Lan Manager

Localtalk

NetBEUI/NetBIOS

IPX/SPX

AppleTalk

TCP/IP

SMB/Samba

NFS

Domains and Directories

Workgroups

NT Domains

Active Directory

Network Information System (Yellow Pages)

Novell Directory Services

Red Hat/Sun Directory Services

Network+ Certification

Instructor: Glenn Norman
Text: Network+ Certification All-In-One Guide, 5th Edition, Mike Meyers

  • A solid understanding of network functionality
  • Familiarity with construction, maintenance and troubleshooting networks
  • Successful preparation to pass the CompTIA Network+ Certification Exam

The Network+ Exam 2011 Revision
CompTIA Exam Objectives and Sample Tests

ARPANET

Client/Server

Sharing and Accessing Resources

The OSI Model
http://en.wikipedia.org/wiki/OSI_model

The Physical Layer
Cable
Connectors
NICs
Hubs

Packet Architecture

Exercise: Cable construction, punchdown blocks

This website has great wiring pinouts for T=568A & B:

http://www.incentre.net/content/view/75/2/