Introduction to Cisco Networking Technologies (INTRO 640-821)

Technology is one of three major topic categories on the CCNA INTRO 640-821 exam. There are currently 18 CertZone Study Guides that address the items listed under this category. The blueprint item and the CertZone Study Guides that address the item are listed below. You can go directly from this list to the Study Guide by clicking on the Study Guide name.

III. Technology

1. Demonstrate the mathematical skills required to work seamlessly with integer decimal, binary and hexadecimal numbers and simple binary logic
2. Define and describe the structure and technologies of computer networks
3. Describe the hardware and software required to be able to communicate via a network
4. Describe the physical, electrical and mechanical properties and standards associated with optical, wireless, and copper media used in networks
5. Describe the topologies and physical issues associated with cabling common LANs
6. Identify the key characteristics of common wide area networking (WAN) configurations and technologies, and differentiate between these and common LAN technologies
7. Describe the purpose and fundamental operation of the internetwork operating system (IOS)
8. Describe the role of a router in a WAN
9. Identify the major internal and external components of a router, and describe the associated functionality
10. Identify and describe the stages of the router boot-up sequence
11. Describe how the configuration register and boot system commands modify the router boot-up sequence
12. Describe the concepts associated with routing, and the different methods and protocols used to achieve it
13. Describe how an IP address is associated with a device interface, and the association between physical and employ IP addressing techniques
14. Employ IP addressing techniques
15. Compare and contrast collision and broadcast domains, and describe the process of network segmentation
16. Describe the principles and practice of switching in an Ethernet network
17. Explain how collisions are detected and handled in an Ethernet system
18. Explain the fundamental concepts associated with the Ethernet media access technique
19. Describe how the protocols associated with TCP/IP allow host communication to occur
20. Describe the operation of the Internet Control Message Protocol (ICMP) and identify the reasons, types and format of associated error and control messages
21. Describe the principles and practice of packet switching utilizing the Internet Protocol (IP)

III. Technology

1. Demonstrate the mathematical skills required to work seamlessly with integer decimal, binary and hexadecimal numbers and simple binary logic
   

   Topology and IP Addressing
   Physical Internetworking and Industry Standards for Networks
   Network Management

2. Define and describe the structure and technologies of computer networks
   

   Basic Router Operation
   Physical Internetworking and Industry Standards for Networks
   How to Implement Wireless Networks
   

3. Describe the hardware and software required to be able to communicate via a network
   

   Basic Router Operation
   IP Routing
   ISDN and DDR
   Physical Internetworking and Industry Standards for Networks
   WAN Protocols

4. Describe the physical, electrical and mechanical properties and standards associated with optical, wireless, and copper media used in networks
   

   Physical Internetworking and Industry Standards for Networks
   How to Implement Wireless Networks
   Basic Router Operation
   WAN Protocols

5. Describe the topologies and physical issues associated with cabling common LANs
   

   Physical Internetworking and Industry Standards for Networks
   Layer 1 and Layer 2 Ethernet

6. Identify the key characteristics of common wide area networking (WAN) configurations and technologies, and differentiate between these and common LAN technologies
   

   WAN Protocols
   Address Resolution Protocol (ARP)
   Physical Internetworking and Industry Standards for Networks
   OSI Reference Model
   Network Management
   Layer 2 Switching and Bridging

7. Describe the purpose and fundamental operation of the internetwork operating system (IOS)
   

   Basic Router Operation
   WAN Protocols

8. Describe the role of a router in a WAN
   

   Basic Router Operation
   Physical Internetworking and Industry Standards for Networks
   WAN Protocols

9. Identify the major internal and external components of a router, and describe the associated functionality
   

   Basic Router Operation
   Physical Internetworking and Industry Standards for Networks

10. Identify and describe the stages of the router boot-up sequence
    

    Basic Router Operation

11. Describe how the configuration register and boot system commands modify the router boot-up sequence
    

    Basic Router Operation

12. Describe the concepts associated with routing, and the different methods and protocols used to achieve it
    

    Basic Router Operation
    IP Routing
    Layer 1 and Layer 2 Ethernet
    OSPF in Single Areas: Learning the Protocol
    WAN Protocols

13. Describe how an IP address is associated with a device interface, and the association between physical and employ IP addressing techniques
    

    Topology and IP Addressing
    Physical Internetworking and Industry Standards for Networks
    Layer 1 and Layer 2 Ethernet
    Basic Router Operation

14. Employ IP addressing techniques
    

    Topology and IP Addressing
    Physical Internetworking and Industry Standards for Networks

15. Compare and contrast collision and broadcast domains, and describe the process of network segmentation
    

    LAN Switching
    Layer 2 Switching - Virtual Local Area Networks (VLANs)
    Layer 2 Switching and Bridging
    New Age Bridging and Switching
    Layer 1 and Layer 2 Ethernet
    Address Resolution Protocol (ARP)

16. Describe the principles and practice of switching in an Ethernet network
    

    Layer 1 and Layer 2 Ethernet
    LAN Switching
    Layer 2 Switching - Virtual Local Area Networks (VLANs)
    Layer 2 Switching and Bridging
    Address Resolution Protocol (ARP)
    Physical Internetworking and Industry Standards for Networks
    New Age Bridging and Switching
    Basic Router Operation

17. Explain how collisions are detected and handled in an Ethernet system
    

    Layer 1 and Layer 2 Ethernet
    Layer 2 Switching and Bridging
    LAN Switching

18. Explain the fundamental concepts associated with the Ethernet media access technique
    

    Address Resolution Protocol (ARP)
    Layer 2 Switching and Bridging
    Layer 1 and Layer 2 Ethernet
    LAN Switching

19. Describe how the protocols associated with TCP/IP allow host communication to occur
    

    IP Routing
    Access Denied: Network Security with Cisco Routers
    Address Resolution Protocol (ARP)
    OSI Reference Model
    Network Management
    The Other VPNs: It's Not All MPLS

20. Describe the operation of the Internet Control Message Protocol (ICMP) and identify the reasons, types and format of associated error and control messages
    

    Access Denied: Network Security with Cisco Routers
    Network Management
    ISDN and DDR
    WAN Protocols

21. Describe the principles and practice of packet switching utilizing the Internet Protocol (IP)
    

    Address Resolution Protocol (ARP)
    LAN Switching
    Access Denied: Network Security with Cisco Routers
    Layer 2 Switching and Bridging
    ISDN and DDR