Network communication models help us understand the various components and protocols used in network communications. These models help us see the function of each protocol and their relationship to other protocols. The TCP/IP Model (5.3.3) Layered models help us visualize how the various protocols work together to enable network communications. A layered model depicts the…
Assign administrator permissions – AZ-104 Exam Guide
Assign administrator permissions Azure has many different roles for managing access to Azure resources. These include classic subscription administrative roles like Account Administrator, Service Administrator, or Co-Administrator, as well as Azure role-based access controls (RBAC) that are available in Azure Resource Manager (ARM). Note that classic roles and resources are scheduled to be deprecated in…
Remove resource groups – AZ-104 Exam Guide
Remove resource groups In Azure, you can delete individual resources in a resource group, or you can delete a resource group and all its resources. Deleting a resource group also deletes all the resources contained within it in one operation. When deleting resource groups, exercise caution because the resource group might contain resources that other…
Why Protocols Matter – Cisco 100-150 Guide
Just like humans, computers use rules, or protocols, in order to communicate. Protocols are required for computers to properly communicate across the network. In both a wired and wireless environment, a local network is defined as an area where all hosts must “speak the same language”, which, in computer terms means they must “share a…
Manage resource groups 2 – AZ-104 Exam Guide
If you are moving resources between subscriptions, you must also be mindful of resource quotas. For example, if you are moving many virtual machines, you will need to make sure that the target subscription has enough vCPUs available, or the move operation will fail. Make sure you validate any quotas prior to moving a resource….
Communication Principles – Cisco 100-150 Guide
Objectives Upon completion of this chapter, you will be able to answer the following questions: • What are network communication protocols? • What are network communication standards? • What is the difference between the OSI and TCP/IP models? Key Terms This chapter uses the following key terms. You can find the definitions in the Glossary….
Manage resource groups – AZ-104 Exam Guide
Manage resource groups When creating resource groups, it is important that you consider factors for your resource group design: region or location details along with a valid resource group name (see Figure 1-42). FIGURE 1-42 Create A Resource Group blade Move resources across resource groups Some resources in Azure can be moved between resource groups…
Build a Home Network Summary – Cisco 100-150 Guide
The following is a summary of each topic in the chapter and some questions for your reflection. What Did I Learn in this Module? (4.5.1) • Home Network Basics—Most home networks consist of at least two separate networks. The public network coming in from the service provider. The router is connected to the internet. Most…
Design Considerations – Cisco 100-150 Guide
Before entering the configuration utility, or manually configuring the router through a web browser, you should consider how your network will be used. You do not want to configure the router and have that configuration limit what you are able to do on the network, nor do you want to leave your network unprotected. What…
Network Mode – Cisco 100-150 Guide
The 802.11 protocol can provide increased throughput based on the wireless network environment. If all wireless devices connect with the same 802.11 standard, maximum speeds can be obtained for that standard. If the access point is configured to accept only one 802.11 standard, devices that do not use that standard cannot connect to the access…