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1.
© 2007 Cisco
Systems, Inc. All rights reserved. Cisco Public ITE PC v4.0 Chapter 1 1 CCNA Cisco Certified Network Associate
2.
ITE PC v4.0 Chapter
1 2 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Course Introduction
3.
ITE PC v4.0 Chapter
1 3 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Cisco Career Certifications Professional CCIE CCNP CCNA Associate Associate Level: CCNA ( Cisco Certified Network Associate ) Three Levels of Certification Expert Professional Level: CCNP ( Cisco Certified Network Professional ) Expert Level: CCIE (Cisco Certified Internetwork Expert)
4.
ITE PC v4.0 Chapter
1 4 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Cisco Different Certifications Fields CCIE Routing and Switching CCNP CCNA Network Implementation Network Design CCDA CCNP CCDA or CCNA CCIE Service Provider CCIP CCNA Network Service Provider CCIE Security CCSP CCNA Network Security Voice Networks CCIE Service Provider CCIP CCNA Storage Networking CCIE Voice CCVP CCNA CCNA None CCIE Storage Networking
5.
© 2007 Cisco
Systems, Inc. All rights reserved. Cisco Public ITE PC v4.0 Chapter 1 5 Course Topics Computer Network
6.
ITE PC v4.0 Chapter
1 6 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Lecture 1 Network introduction Lecture 2 OSI layer Lecture 3 Network layer (ICMP ,ARP) Lecture 4 The difference between the router, switch and the rest of the linking devices & Network Device Domains (Collision Domains ,Broadcast Domains) Describe switching concepts (MAC learning, Frame flooding, MAC address table) Lecture 5 IP-V4 Addressing Lecture 6 Subnetting Lecture 7 Variable Length Subnet Mask (VLSM) Lecture 8 Route Summarization Lecture 9 Router components & Router Access & Router Configuration Lecture 10 Cisco Router and switch Password Setting & Configuring a banner & Remote Access Telnet Lecture 11 Dynamic Host Configuration Protocol (DHCP) & DHCP Operation & Configuring a Cisco Router as a DHCP Server & DHCP Relay Agent Lecture 12
7.
ITE PC v4.0 Chapter
1 7 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Week 8 Midterm Week 14 Practical Exam Exam Schedule Grading Policy Points Description 90 Final exam 20 Midterm 10 Section 15 Practical Exam 15 Activity 150 Total
8.
© 2007 Cisco
Systems, Inc. All rights reserved. Cisco Public ITE PC v4.0 Chapter 1 8 Communicating over the Network Network Fundamentals
9.
ITE PC v4.0 Chapter
1 9 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Objectives 1. Network definition. 2. Network components. 3. Network Types 4. Network topologies. 5. Cabling.
10.
© 2007 Cisco
Systems, Inc. All rights reserved. Cisco Public ITE PC v4.0 Chapter 1 10 Network definition Network Fundamentals
11.
ITE PC v4.0 Chapter
1 11 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public • Network: Group of components or devices which are connected together to give the user a certain service (application). 1- Network definition
12.
ITE PC v4.0 Chapter
1 12 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Importance of Networks Data network is a result of business need. –Easy access and sharing of information (share data) –Sharing of expensive devices and network resources (cost) –Modern Technologies (IP telephony, Video Conferencing, ….etc)
13.
ITE PC v4.0 Chapter
1 13 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 2- Network components • Network has three main components End devices (servers and hosts) - Source of applications (network aware applications) - ex: HTTP (Hyper Text Transmission Protocol), FTP (File Transfer Protocol), SMTP (Simple Mail Transfer Protocol) POP3 (Post Office Protocol 3) Telnet Network Devices - Devices that interconnect different computers together - ex: Repeaters, hub, bridge, switch, router, NIC and modems Connectivity - Media that physically connect the computers and network devices - ex: Wireless and cables
14.
ITE PC v4.0 Chapter
1 14 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public End devices End devices: Computers (work stations, laptops, file servers, web servers) Network printers VoIP phones Security cameras Mobile handheld devices (such as wireless barcode scanners, PDAs) End devices are referred to as hosts. A host device is either the source or destination of a message.
15.
© 2007 Cisco
Systems, Inc. All rights reserved. Cisco Public ITE PC v4.0 Chapter 1 15 Network types Network Fundamentals
16.
ITE PC v4.0 Chapter
1 16 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Physical Types of Network Local Area Network (LAN) An individual network usually spans a single geographical area, providing services and applications to people within a common organizational structure, such as a single business, campus or region. (It is a group of network components that work within small area.) <10km Local Area Network (LAN)
17.
ITE PC v4.0 Chapter
1 17 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Ethernet Port
18.
ITE PC v4.0 Chapter
1 18 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Define Wide Area Networks (WANs) - LANs separated by geographic distance are connected by a network known as a Wide Area Network (WAN) (It is a group of LANs that are interconnected within large area) Cairo site Alex site Wide Area Networks (WANs)
19.
ITE PC v4.0 Chapter
1 19 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Serial Port
20.
ITE PC v4.0 Chapter
1 20 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Peer to Peer Networking (work group) In its simplest form, a peer-to-peer (P2P) network is created when two or more PCs are connected and share resources without going through a separate server computer. Logical Types of Network (or management)
21.
ITE PC v4.0 Chapter
1 21 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Server based Networking ( Domain ) A client-server network is designed for end-users, called clients, to access resources such as files, songs, video collections, or some other service from a central computer called a server. Logical Types of Network (or management)
22.
© 2007 Cisco
Systems, Inc. All rights reserved. Cisco Public ITE PC v4.0 Chapter 1 22 Network topologies Network Fundamentals
23.
ITE PC v4.0 Chapter
1 23 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 4- Network Topologies • Topology: How devices are connected together
24.
ITE PC v4.0 Chapter
1 24 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Bus Topology – In a physical bus topology, a single cable effectively connects all the devices. – All devices receive the signal.
25.
ITE PC v4.0 Chapter
1 25 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Ring Topology – Signals travel around ring. – Single point of failure. In a ring topology, all the hosts are connected in the form of a ring or circle. A ring topology connects one host to the next and the last host to the first. This creates a physical ring of cable. If the first host needs to send data to the last host, the data must path through all the hosts before reaching the end host.
26.
ITE PC v4.0 Chapter
1 26 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Full-Mesh Topology – Highly fault-tolerant – Expensive to implement A mesh topology is implemented to provide as much protection as possible from interruption of service. Each host has its own connections to all other hosts. Although the Internet has multiple paths to any one location, it does not adopt the full mesh topology.
27.
ITE PC v4.0 Chapter
1 27 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Partial-Mesh Topology – Trade-off between fault tolerance and cost
28.
ITE PC v4.0 Chapter
1 28 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Star Topology –In a physical star topology, each device in the network is connected to the central device with its own cable. – Transmission through a central point. – Single point of failure.
29.
© 2007 Cisco
Systems, Inc. All rights reserved. Cisco Public ITE PC v4.0 Chapter 1 29 Types of Cables & Connectors Network Fundamentals
30.
ITE PC v4.0 Chapter
1 30 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Types of Cables Copper cable Coaxial Twisted Pair Fiber Cable Fiber Optic Cable
31.
ITE PC v4.0 Chapter
1 31 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Coaxial cable
32.
ITE PC v4.0 Chapter
1 32 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Twisted-Pair Cable Two basic types of twisted-pair cable exist: shielded twisted pair (STP). unshielded twisted pair (UTP)
33.
ITE PC v4.0 Chapter
1 33 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public unshielded twisted pair (UTP) STP and UTP use RJ-45 (Registered Jack 45) connector
34.
ITE PC v4.0 Chapter
1 34 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public UTP Cables Connections types: Straight-through UTP Cables A straight-through cable has connectors on each end that are terminated the same in accordance with either the T568A or T568B standards. Identifying the cable standard used allows you to determine if you have the right cable for the job. More importantly, it is a common practice to use the same color codes throughout the LAN for consistency in documentation. Use straight-through cables for the following connections: Switch to a router Ethernet port. Computer to switch. Computer to router.
35.
ITE PC v4.0 Chapter
1 35 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public UTP Cables Connections types: Crossover UTP Cables For two devices to communicate through a cable that is directly connected between the two, the transmit terminal of one device needs to be connected to the receive terminal of the other device. The cable must be terminated so the transmit pin, Tx, taking the signal from device A at one end, is wired to the receive pin, Rx, on device B. Similarly, device B's Tx pin must be connected to device A's Rx pin. If the Tx pin on a device is numbered 1, and the Rx pin is numbered 2, the cable connects pin 1 at one end with pin 2 at the other end. These "crossed over" pin connections give this type of cable its name, crossover. To summarize, crossover cables directly connect the following devices on a LAN: Switch to switch. Switch to hub. Hub to hub. Router to router Ethernet port connection. Computer to computer. Computer to router Ethernet port.
36.
ITE PC v4.0 Chapter
1 36 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public unshielded twisted pair (UTP)
37.
ITE PC v4.0 Chapter
1 37 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public unshielded twisted pair (UTP)
38.
ITE PC v4.0 Chapter
1 38 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Straight-Through vs Crossover cables
39.
ITE PC v4.0 Chapter
1 39 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Unshielded Twisted Pair (UTP) Straight-through Cross-over Rollover
40.
ITE PC v4.0 Chapter
1 40 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Straight-through
41.
ITE PC v4.0 Chapter
1 41 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Cross-over
42.
ITE PC v4.0 Chapter
1 42 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Rollover
43.
ITE PC v4.0 Chapter
1 43 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
44.
ITE PC v4.0 Chapter
1 44 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public How to Make an Ethernet Cable https://www.youtube.com/watch?v=WvP0D0jiyLg
45.
ITE PC v4.0 Chapter
1 45 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public UTP Straight-through Cable The cable that connects from the switch port to the computer NIC port is called a straight-through cable. Host or Router Hub or Switch
46.
ITE PC v4.0 Chapter
1 46 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public UTP Cross-over Cable The cable that connects from one switch port to another switch port is called a crossover cable. Connects like devices. Hub or Switch Hub or Switch
47.
ITE PC v4.0 Chapter
1 47 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
48.
ITE PC v4.0 Chapter
1 48 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public CSMA/CD operation Access Methods Type: Carrier Sence Multiple Access with Collision Detection
49.
ITE PC v4.0 Chapter
1 49 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public There are different types of Media Access Control methods in a LAN Ethernet * Star topology *Twisted pair * CSMA/CD Token Ring FDDI (Fiber Distributed Data Interface)
50.
ITE PC v4.0 Chapter
1 50 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Methods of Sending Data in the Network Unicast Multicast means send data for one or all receivers. means send data for some receivers or all. Broadcast means send data for all receivers.
51.
ITE PC v4.0 Chapter
1 51 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Transmission types Single Transmission in one direction only Half duplex Transmission in the two directions but not at the same time Full duplex Transmission in the two directions at the same time
52.
ITE PC v4.0 Chapter
1 52 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public Text Books and Download Cisco Packet Tracer CCNA-200-301-Official-Cert-Guide - volume 1 https://drive.google.com/file/d/1EPGHrEn5XjflHNOfl1jqQxY3LAgcNFzG/vi ew CCNA-200-301-Official-Cert-Guide - volume 2 http://www.mediafire.com/file/ob42yfmr2nps3zj/CCNA-200-301- Official-Cert-Guide+-+volume++2+.pdf/file Download Cisco packet tracer https://drive.google.com/file/d/1F8DYtZJ0PJfwfqMpHMrT1Zz5c9V6Fr6v/vi ew?usp=sharing
53.
ITE PC v4.0 Chapter
1 53 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
54.
ITE PC v4.0 Chapter
1 54 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
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