CCNA Outcomes

CCNA-Module 1-4

OBJECTIVES

1) EXPLAIN THE BASIC CHARACTERISTICS AND COMPONENTS OF A NETWORK 

  • Explain how multiple networks are used in everyday life
  • Explain the topologies and devices used in a small to medium-sized business network
  • Explain the basic characteristics of a network that supports communication in a small to medium-sized business
  • Explain trends in networking that will affect the use of networks in small to medium-sized businesses

2) CONFIGURE A NETWORK OPERATING SYSTEM 

  • Explain the purpose of Cisco IOS
  • Explain how to access and navigate Cisco IOS to configure network devices
  • Describe the command structure of Cisco IOS software
  • Configure hostnames on a Cisco IOS device using the CLI
  • Use Cisco IOS commands to limit access to device configurations
  • Use Cisco IOS commands to save the running configuration
  • Explain how devices communicate across network media
  • Configure a host device with an IP address
  • Verify connectivity between two end devices

3) EXPLAIN THE FUNCTION OF NETWORK PROTOCOLS 

  • 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

4) EXPLAIN THE FUNCTION OF ACCESS LAYER PROTOCOLS AND CONFIGURE A SIMPLE NETWORK

    • Explain how physical layer protocols and services support communications across data networks
    • Build a simple network using the appropriate
    • Explain the role of the data link layer in supporting communications across data networks
    • Compare media access control techniques and logical topologies used in networks
  • DESCRIBE THE OPERATION OF ETHERNET TECHNOLOGY AND CONFIGURE A SWITCH
    • Describe the operation of the Ethernet sublayers
    • Identify the major fields of the Ethernet frame
    • Describe the purpose and characteristics of the Ethernet MAC address
    • Describe the purpose of ARP
    • Explain how ARP requests impact network and host performance
    • Explain basic switching concepts
    • Compare fixed configuration and modular switches
    • Configure a Layer 3 switch
  • EXPLAIN THE FUNCTION OF NETWORK LAYER PROTOCOLS 
  • Explain how network layer protocols and services support communications across data networks
  • Explain how routers enable end-to-end connectivity in a small to medium-sized business network
  • Determine the appropriate device to route traffic in a small to medium-sized business network
  • Configure a router with basic configurations
  • EXPLAIN TCP AND UDP PROTOCOL FUNCTIONS 
  • Describe the purpose of the transport layer in managing the transportation of data in end-to-end communication
  • Describe characteristics of the TCP and UDP protocols, including port numbers and their uses
  • Explain how TCP session establishment and termination processes facilitate reliable communication
  • Explain how TCP protocol data units are transmitted and acknowledged to guarantee delivery
  • Explain the UDP client processes to establish communication with a server
  • Determine whether high-reliability TCP transmissions, or non-guaranteed UDP transmissions, are best suited for common applications
  • DESCRIBE IPv4 AND IPv6 ADDRESSING 
  • Describe the structure of an IPv4 address
  • Describe the purpose of the subnet mask
  • Compare the characteristics and uses of the unicast, broadcast and multicast IPv4 addresses
  • Compare the use of public address space and private address space
  • Explain the need for IPv6 addressing
  • Describe the representation of an IPv6 address
  • Describe types of IPv6 network addresses
  • Configure global unicast addresses
  • Describe multicast addresses
  • Describe the role of ICMP in an IP (include IPv4 and IPv6)
  • Use ping and traceroute utilities to test network connectivity
  • EXPLAIN HOW TO SUBNET IPv4 AND IPv6 NETWORKS 
  • Explain why routing is necessary for hosts on different networks to communicate
  • Describe IP as a communication protocol used to identify a single device on a network
  • Given a network and a subnet mask, calculate the number of host addresses available
  • Calculate the necessary subnet mask in order to accommodate the requirements of a network
  • Describe the benefits of variable length subnet masking (vLSM)
  • Explain how IPv6 address assignments are implemented in a business network
  • EXPLAIN THE FUNCTION OF APPLICATION LAYER PROTOCOLS 
  • Explain how the functions of the application layer, session layer, and presentation layer work together to provide network services to end user applications
  • Describe how common application layer protocols interact with end user applications
  • Describe, at a high level, common application layer protocols that provide Internet services to end-users, including WWW services and email
  • Describe application layer protocols that provide IP addressing services, including DNS and DHCP
  • Describe the features and operation of well-known application layer protocols that allow for file sharing services, including FTP, File Sharing Services, SMB protocol
  • Explain how data is moved across the network, from opening an application, to receiving data
  • BUILD A SMALL NETWORK INCORPORATING BASIC SECURITY MEASURES 
  • Identify the devices and protocols used in a small network
  • Explain how a small network serves as the basis of larger networks
  • Explain the need for basic security measures on network devices
  • Identify security vulnerabilities and general mitigation techniques
  • Configure network devices with device hardening features to mitigate security threats
  • Use the output of ping and tracert commands to establish relative network performance