TAILIEUCHUNG - Lecture Network + Certification: Chapter 19 - Microsoft Press

Chapter 19 - Network troubleshooting scenarios. Chapter overview: Introduction to network troubleshooting, incident administration, gathering information, possible causes: Internet router problem, internet communication problem, domain Name System (DNS) failure, local area network (LAN) communication problem, computer configuration problem, user error. | Chapter Overview Introduction to network troubleshooting Incident administration Gathering information Possible causes Internet router problem Internet communication problem Domain Name System (DNS) failure Local area network (LAN) communication problem Computer configuration problem User error The Scenario A user named Alice reports that she has been trying to access a particular Web site for several hours and keeps receiving an error message. Based on the information provided, and knowing nothing about Alice’s level of expertise, the help desk technician has no way of knowing whether the problem is caused by User error A computer configuration problem A faulty network connection A malfunction of the router that provides Internet access A problem with the Internet or the specific Web site itself Incident Administration The first step is to begin to document the incident. Many help desks use software that lets technicians document calls and store them in a database. Because .

• Quản trị mạng
• Lecture Network+
• Internet protocol
• Network security
• Network troubleshooting
• Incident administration
• Network troubleshooting scenarios
• Network Fundamentals
• Lecture Network Fundamentals
• Communicating over the Network
• Network structure
• Network types
• Network communication
• Lecture Top Down Network Design
• Top Down Network Design
• Bài giảng Thiết kế mạng
• Characterizing network traffic
• Network traffic factors
• Traffic behavior
• Network efficiency
• Designing a network topology
• Network topology design themes
• Hierarchical network design
• Developing network management strategies
• Network management
• Network management design
• Network Centric World
• Data Networking Role
• Network architecture design
• Data networking
• OSI Network Layer
• Network Layer Protocols
• Devices into networks
• Planning the network
• Determining network needs
• Network troubleshooting procedures
• Identifying network components
• Lecture notes on Computer and network security
• Computer network
• Mounting targeted attacks
• Social engineering
• Cyber espionage
• Filtering out spam
• Computer security
• Email message
• Security vulnerabilities
• Mobile devices
• Fault injection attacks
• Managerial economics
• Lecture Managerial economics
• Network effect
• Network rxternality
• Motivation for network effect
• Source for network externalities
• Addressing the Network
• IP addressing structure
• IPv4 addresses
• Testing the Network layer
• Basic Network media
• LAN connection
• Network designs
• Cabling Networks
• CCNA Exploration
• Lecture CCNA Exploration 4
• CCNA Security
• Lecture CCNA Security
• Modern Network Security Threats
• Evolution of Network Security
• Drivers for Network Security
• Mobile device security
• Lecture Network security
• Computer hacking
• Internet security
• Network security model
• Network security tool
• Networking essentials plus
• Lecture Networking essentials plus
• Establishing network shares
• Network shares
• Managing network accounts
• Network accounts
• Password protection