Download Networking - T&T Software WWW Server

Networking
Telecommunications, Wireless
Technologies, and Computer
Networks
8:28 AM
1
Large-scale Media & Devices






Microwave & Satellite Transmissions
Communications Satellites
T1 & T3 Lines
Multiplexer
Communications Processor
Encryption Devices
8:28 AM
2
Networking Software




Network Operating Systems
Network Management Software
Network Device Software
Communication Protocols
8:28 AM
3
Network Operating System
(NOS)





Processor management
Memory management
Application program requests
Hardware coordination
Security
8:28 AM
4
Network Management
Software

Monitor individuals computers

Monitor network traffic

Monitor shared hardware

Virus scanning

Program updates system wide
8:28 AM
5
Network Device Software


Settings for devices on network
Accessed from a network computer
8:28 AM
6
Communication Protocols

Agreed upon format for message
transmissions

Internet uses TCP/IP
Private networks use Ethernet

8:28 AM
7
Mobile Technologies

Cell phones

Pagers

Global Positioning Systems
8:28 AM
8
Wireless Networking
Technology





Wireless Fidelity (Wi-Fi)
WiMAX
Bluetooth
Infrared
Radio Frequency Identification
8:28 AM
9
WiFi & WiMAX

Requires and access point

Connects a computer to a network

WiFi access 200 to 1000 feet

WiMAX access up to 31 miles

Hotspots
8:28 AM
10
Bluetooth

Named after Danish king

Range of 30 feet

Connects a device to a device

Speeds up to 1 Mbps

Can connect up to 7 devices
8:28 AM
11
Infrared Transmission




Light wave signal
Line-of-site connections
Short distances
Secure data transmission
8:28 AM
12
Radio Frequency Identification
(RFID)





Very small transponders
Read by magnetic field reader
Merchandise tags
Shipping labels
Tagging pets & wildlife
8:28 AM
13
Network Architecture

Nodes





Every device on the network
Unique identification number/address
Client - Server
Peer - 2 - Peer
Blade Server
8:28 AM
14
Client - Server




Centralized machine - Server
Other machines - Clients
Clients connect to Server
Types of Servers




8:28 AM
Web server / E-mail server
Database server
Applications server
File server
15
Peer - 2 - Peer

No centralized machine

Any machine can be a server

Any machine can be a client
8:28 AM
16
Blade Server

Thin-clients

Motherboard not part of machine

Connect to processor as needed

Much less expensive
8:28 AM
17
Network Types

PAN


LAN


Metropolitan Area Network
WAN


Local Area Network
MAN


Personal Area Network
Wide Area Network
Global Networks

8:28 AM
Wan crossing international border
18
Local Area Network (LAN)

Topologies






Star
Ring
Bus
Intranet
Extranet
Virtual Private Network (VPN)

8:28 AM
Tunneling
19
Home Networks

Phone-line networking

Power-line networking

Wireless networking
8:28 AM
20