What are the two types of MIBs in SNMP?

The correct answer identifies the two main types of Management Information Bases (MIBs) in Simple Network Management Protocol (SNMP) as Scalar and Tabular.

Scalar MIBs represent single instances of objects and provide individual pieces of information about a managed entity. For instance, a scalar might be used to monitor the status of a device or a single attribute, such as the uptime of a network device. This allows for straightforward access to specific data points.

Tabular MIBs, on the other hand, are used to represent sets of related objects in a tabular format. They allow for the management of multiple instances of similar entities, such as a list of interfaces on a router. Each row in a table corresponds to an instance of the objects being monitored, facilitating the organization and retrieval of data related to similar entities in a structured manner.

In contrast, the other options do not accurately reflect the standard distinctions recognized in SNMP. Hierarchical and Flat, for instance, refer more to data structure organization rather than the types of MIBs. Static and Dynamic might suggest aspects of data persistence but do not pertain to the classification of MIBs. Observable and Non-observable suggest a focus on whether or not an object can be monitored