This dissertation describes QAC020N253S third-party assessments and network troubleshooting techniques. For third-party assessments, experts perform according to specific customer requirements. Assessments often occur against various frameworks like the National Institutes of Standards and Technology (NIST). Another commonly used framework is the International Organization for Standardization (ISO). Depending on the particular system and network configuration, experts can use a variety of tools for troubleshooting. A good example is SolarWinds Network Configuration Manager. The troubleshooting process is also crucial. Assessors must have all the relevant documents for review and maximizing efficiency. They can perform assessments in person or via Skype or WebEx to save on costs.
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NETWORK TROUBLESHOOTING TECHNIQUES AND BEST PRACTICES
QAC020N253S Third-party assessments can follow specific procedures or general network troubleshooting techniques. Firstly, they check the hardware for proper connections and power. This includes ensuring that all switches are in the correct positions. The next step is to check for the proper allocation of IP addresses. Assessors therefore use ipconfig to determine the appropriateness of IP addresses. Another network troubleshooting technique is the use of tracert and ping for routers with no problems with IP addresses. Ping is a tool for troubleshooting used to connect to larger servers like Google. Moreover, assessors open the command prompt and type “ping 8.8.8.8”. Using ping occurs in four steps; performing a DNS check, contacting the ISP, checking for viruses and malware protection, and reviewing database logs.
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NETWORK DIAGNOSTICS AND TOOLS FOR TROUBLESHOOTING
There are numerous tools for troubleshooting network problems. Therefore, the decision to use any individual tool depends on its suitability. First, SolarWinds Network Configuration Manager checks device settings automatically and rolls back any unauthorized changes hence it is suitable for most network troubleshooting techniques. Second, SolarWinds Port Scanner checks the TCP and UDP port status of the IP addresses. It also ensures that there are no unattended ports open. Lastly, Datadog Network Performance Monitoring is a cloud-based network monitoring and management service that includes troubleshooting tools for QAC020N253S third-party assessments. Examples of these tools are Paessler Network Troubleshooting with PRTG, Tracert, ipconfig, netstat, ping, and Nslookup.
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