Network+ : TCP/IP and Network Operations

  1. Network+ Certification
  2. Network+ : From Physical Topologies to Protocols and Domains
  3. Network+ : Networking Variants, Physical Installation
  4. Network+ : TCP/IP and Network Operations
  5. Network+ : Network Naming and Sharing Resources
  6. Network+ : IPv6
  7. Network+ : Remote, Secure and Cross-Platform Networking
  8. Network+ : Servers and Support
  9. Network+ : WiFi
  10. Routing and Firewalls
  11. Network+: Routing Protocols

Local Networking

Configuring NICs

NetBIOS

IPX/SPX

WINS

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

TCP/IP and UDP/IP

Gateways

Subnet Masking

DHCP

DNS

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

Network Operating Systems

Models:

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