Computer Networks ASystem Approach 4thed
Computer Networks ASystem Approach 4thed
. key elements in the implemen-
tation of computer networks. Finally, it identifies the key metrics
that are used to evaluate the performance of computer networks.
6 1 Foundation
one of a suite. (Paperback)
Library of Congress Cataloging-in-Publication Data
Peterson, Larry L.
Computer networks : a systems approach / Larry L. Peterson & Bruce S.
Davi – 4th ed.
p. cm.
Includes bibliographical....
Principles of Digital Communication Systems and Computer Networks
. MSSV:08520470
Sau đây là bài dịch chương II trong sách “Principles of Digital Communication Systems and
Computer Networks của nhóm em.
Phần I – Các hệ thống truyền thông số
(Digital Communation System)
Chương
Mạng máy tính (Computer Networks)
.
phép mạng làm việc với những thiết bị được sản xuất từ nhiều hãng khác nhau.
Mạng máy tính (Computer Networks)
Về cơ bản, một mạng máy tính là một số các máy tính được nối kết với nhau theo. Banyan Systems là hệ
đi
ều hành mạng dùng cho server chạy hệ điều hành UNIX, Promise LAN của Mises Computer chạy
trên card điều hợp mạng độc quyền, Widows for Workgroups của Microsoft, LANtastic
MẠNG MÁY TÍNH (COMPUTER NETWORKS)
. được quyết định chủ yếu bởi hiệu quả sử dụng môi trường
MẠNG MÁY TÍNH (COMPUTER NETWORKS) 2
MẠNG MÁY TÍNH (COMPUTER NETWORKS)
Về cơ bản, một mạng máy tính là một số các máy tính được nối kết.
MẠNG MÁY TÍNH (COMPUTER NETWORKS) 1
MỤC LỤC
Phân loại mạng máy tính theo phạm vi địa lý 3
Hệ điều hành mạng – NOS (Network Operating System)
16
MẠNG MÁY TÍNH (COMPUTER NETWORKS) 15
Modular. LAN c...
Computer networks networking fundamentals
. analyzing network performance,
designing new networks, and understanding the Internet.
Information flows as a string of bits from computer to
computer throughout the world.
The Internet. (cont.)
7/19/2008
48
Limitations (cont.)
7/19/2008
27
Local-area networks (LANs)
LANs consist of the following components:
Computers
Network interface cards
Peripheral devices
Networking. c...
Computer networks networking media
. create serious problems for
sensitive electronic equipment. A static discharge can randomly damage
computer chips, data, or both.
2008/7/19
19
UTP cable (cont.)
2008/7/19
16
STP cable
2008/7/19
31
Multimode. injury.
2008/7/19
50
Wireless devices and topologies
The most of WLAN nodes are desktop
workstations or notebook computers which
equipped with wireless NICs.
Ad hoc mode
Both devic...
Computer networks cabling LANs & WANs
. reused.
7/19/2008
24
Peer-to-peer
In a peer-to-peer network, networked computers act
as equal partners, or peers.
Each computer can take on the client function or the
server function.
In. control
their own resources.
Peer-to-peer networks are relatively easy to install
and operate.
A peer-to-peer network works well with 10 or fewer
computers.
The security may be difficult
Computer networks ethernet technologies
. SONET/SDH technologies.
Flexible, efficient, reliable, relatively low cost end-to-end Ethernet
networks become possible.
TCP/IP can run over LANs, MANs, and WANs with one Layer 2
Transport. future of networking
media is three-fold:
Copper (up to 1000 Mbps,
perhaps more)
Wireless (approaching
100 Mbps, perhaps more)
Optical fiber (currently at
10,000 Mbps and soon to
be
Computer networks ethernet switching
. the contention for the line
becomes greater and even starts to effect the performance of
the computers on the network.
Finally when the collision domain becomes too big and network
transmission
Computer networks routing fundamentals and subnets
. connected [C] or learned by RIP [R]), the
network IP address for reachable networks, the hop count or
distance to those networks, and the interface the data must be
sent out to get to the destination.
subnetting
Establishing the subnet mask
address
Applying the subnet mask
Subnetting Class A and B
networks
Calculating the resident
subnetwork through ANDing
2008/7/19
18
Packet pro...
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