Lecture Networking essentials plus (3/e) - Chapter 6: Defining network protocols. The main contents of the chapter consist of the following: Introduction to protocols, TCP/IP, netware protocols, other common protocols.
With an expanded discussion of network protocols and 45 completely new scenarios, this extensively revised second edition of the best-selling Practical Packet Analysis will teach you how to make sense of your PCAP data. You'll find new sections on troubleshooting slow networks and packet analysis for security to help you better understand how modern exploits and malware behave at the packet level. Add to this a thorough introduction to the TCP/IP network stack and you're on your way to packet analysis proficiency.
AD HOC NETWORKS: Technologies and Protocols is a concise in-depth treatment of various constituent components of ad hoc network protocols. It reviews issues related to medium access control, scalable routing, group communications, use of directional/smart antennas, network security, and power management among other topics. The authors examine various technologies that may aid ad hoc networking including the presence of an ability to tune transmission power levels or the deployment of sophisticated smart antennae. ...
Identify the characteristics of TCP/IP, IPX/SPX, NetBIOS, and AppleTalk
Understand how network protocols correlate to layers of the OSI Model
Identify the core protocols of the TCP/IP suite and describe their functions
Identify the well-known ports for key TCP/IP services
Understand addressing schemes for TCP/IP, IPX/SPX, NetBEUI, and AppleTalk
Describe the purpose and implementation of DNS (Domain Name System) and WINS (Windows Internet Naming Service)
Install protocols on Windows XP clients...
After studying this chapter students will be able to: Explain how rules are used to facilitate communication, explain the role of protocols and standards organizations in facilitating interoperability in network communications, explain how devices on a LAN access resources in a small to medium-sized business network.
In addition to an explosion of touch points, we are faced with an infinitively
complex and rapidly changing web of networks, applications, systems, client software,
and service providers. Under these circumstances, absolute security cannot be guaranteed
since it’s impossible to test the security implications of every configuration combination
of hardware and software under every set of conditions.
More complex networking services in Red Hat Linux require more advanced
administration methods. While graphical tools such as Network Configuration
(via the redhat-config-network command) are available to assist in configuring
all aspects of Linux networking, the best way to learn networking is by practicing with the key
command line utilities and associated configuration files.
Over the last ten years, the impact of wireless communications on
the way we live and do business has been surpassed only by the impact
of the Internet. Cell phones, pagers, and wireless Personal Digital
Assistants (PDAs) have become so commonplace in our lives that it is
easy to forget that ten years ago, they were a rarity.
Multiprotocol Label Switching
Multiprotocol Label Switching (MPLS) is a standards-approved technology for
speeding up network traffic flow and making it easier to manage. MPLS involves
setting up a specific path for a given sequence of packets, identified by a label put
in each packet, thus saving the time needed for a router to look up the address to
the next node to forward the packet to. MPLS is called multiprotocol because it
works with the Internet Protocol (IP), Asynchronous Transport Mode (ATM), and
frame relay network protocols....
Network management is the poor cousin of network design and implementation.
All too often it is treated as an inconvenience by equipment manufacturers, or
forgotten entirely. But the ability to manage network devices is fundamental to
their utility, and a successful and functional network can only be built from equipment
that can be easily managed and operated.
Management refers to the ability to confi gure, control, operate, and diagnose
equipment. Of course, no vendor ships devices that cannot be managed, but
typically each is operated and controlled in a different way.
One of the keys to understanding Cisco is the OSI model. The OSI model permits
people to understand how internetwork works and it serves as a guideline or framework
for creating and implementing network standards, devices, and internetworking schemes.
Some of the advantages of the OSI model include:
• It allows for the breaking down of complex operation into simple elements;
• Enables engineers to specialize the design and development of modular elements;
• It provides standards for plug and play and multivendor integration....
Explanation: Point-to-Point Protocol (PPP) provides router-to-router and host-network connections over
synchronous and asynchronous circuits. PPP was designed to work with several network layer protocols,
including IP and IPX. It also has built in security features such PAP (Password Authentication Protocol) and
CHAP (Challenged Handshake Authentication Protocol).
A computer network is the infrastructure that allows two or more computers (called
hosts) to communicate with each other. The network achieves this by providing a set
of rules for communication, called protocols, which should be observed by all
participating hosts. The need for a protocol should be obvious: it allows different
computers from different vendors and with different operating characteristics to
‘speak the same language’.
This chapter introduces the fundamental concepts of computer networks.
An Introduction to Networking
List the advantages of networked computing relative to standalone computing
Distinguish between client/server and peer-to-peer networks
List elements common to all client/server networks
Describe several specific uses for a network
Identify some of the certifications available to networking professionals
Identify the kinds of nontechnical, or “soft,” skills that will help you succeed as a networking professional
Networking Standards and the OSI Model
Identify organizations that set standards for networking.
Describe the purpose of the OSI Model and each of its layers
Explain specific functions belonging to each OSI Model layer
Understand how two network nodes communicate through the OSI model
Discuss the structure and purpose of data packets and frames.
Describe the two types of addressing covered by the OSI Model.
Transmission Basics and Networking Media
Explain basic data transmission concepts, including full duplexing, attenuation, and noise
Describe the physical characteristics of coaxial cable, STP, UTP, and fiber-optic media
Compare the benefits and limitations of different networking media
Identify the best practices for cabling buildings and work areas
Specify the characteristics of popular wireless transmission methods, including 802.11, infrared, and Bluetooth
Networking Hardware Identify the functions of LAN connectivity hardware
Install and configure a NIC (Network Interface Card)
Identify problems associated with connectivity hardware Describe the factors involved in choosing a NIC, hub, switch, or router
Discuss the functions of repeaters, hubs, bridges, switches, routers, and gateways, and the OSI Model layers at which they operate
Describe the use and types of routing protocols
Topologies and Access Methods
Describe the basic and hybrid LAN physical topologies, and their uses, advantages and disadvantages
Describe the backbone structures that form the foundation for most LANs
Compare the different types of switching used in data transmission
Understand the transmission methods underlying Ethernet, Token Ring, FDDI, and ATM networks
Describe the characteristics of different wireless network technologies, including Bluetooth and the three IEEE 802.11 standards