You can select the signal from the available signals for the target and define the logic test that will be applied to the data from the signal. For example, for a virtual machine, you can use the Percentage CPU metric to generate an alert based on a custom threshold for CPU usage, as shown in…
Save a query to the dashboard
Save a query to the dashboard In addition to sample queries, you can browse the schema for the currently selected work- space. This is useful for determining the proper case for table and column names because KQL is a case-sensitive query language. You can save authored queries for later or mark them as favorites so…
Query and analyze logs in Azure Monitor
Query and analyze logs in Azure Monitor As mentioned earlier, Azure Monitor stores and surfaces two types of data: metrics and logs. Metrics are numerical values such as performance counters, whereas logs can be either numerical data or text. For instance, the full text of an exception that is raised in an application or even…
ICMPv6 Messages – 100-150 Exam Guide
ICMPv6 Messages (29.1.5) The informational and error messages found in ICMPv6 are very similar to the control and error messages implemented by ICMPv4. However, ICMPv6 has new features and improved functionality not found in ICMPv4. ICMPv6 messages are encapsulated in IPv6. ICMPv6 includes four new protocols as part of the Neighbor Discovery Protocol (ND or…
Configure diagnostic settings
Configure diagnostic settings While the resources you deploy in Azure create metrics automatically, many of them also offer richer diagnostics logs, which can be configured to send their log data to another location, such as a storage account or a Log Analytics workspace. In addition to resource logs, there are also tenant-level services, such as…
ICMP – 100-150 Exam Guide
Objectives Upon completion of this chapter, you will be able to answer the following questions: • How is ICMP used to test network connectivity? • How do you use ping and traceroute utilities to test network connectivity? Introduction (29.0) Welcome to ICMP! Imagine that you have an intricate model train set. Your tracks and trains…
Configure log settings in Azure Monitor
Configure log settings in Azure Monitor Log Analytics helps you collect, correlate, search, and act on log and performance data generated by operating systems, applications, and Azure services. It gives you operational insights using rich search and visualizations. Log Analytics provides a single pane of glass for interact- ing with the data from the entire…
Summary – 100-150 Exam Guide
Summary (28.5) The following is a summary of each topic in the chapter and some questions for your reflection. What Did I Learn in this Module? (28.5.1) • Basic Switch Configuration—Elements that are usually configured on a LAN switch include: host name, management IP address information, passwords, and descriptive information. Configure switches with descriptive host…
Connecting the Switch to the Router
Connecting the Switch to the Router (28.4) Most local networks have only one router. This router will be the gateway router and all hosts and switches on your network must be configured with this information. This topic explains how to configure the default gateway on hosts and switches. Default Gateway for a Host (28.4.1) For…
Enable SSH – 100-150 Exam Guide
Enable SSH (28.3.3) Before configuring SSH, the switch must be minimally configured with a unique hostname and the correct network connectivity settings. Step 1. Verify SSH support. Use the show ip ssh command to verify that the switch supports SSH. If the switch is not running an IOS that supports cryptographic features, this command is…