IS-IS TLV Attributes
Question
A IS-IS TLV includes which two attributes? (Choose two.)
Answers
Explanations
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A. B. C. D.CD
IS-IS (Intermediate System to Intermediate System) is a routing protocol used for communication between network devices, specifically routers, in a computer network. In IS-IS, a Type-Length-Value (TLV) is a format used to encode information in packets. TLVs are used to carry various types of information, such as network topology and routing metrics.
A TLV consists of three fields: Type, Length, and Value. The Type field identifies the type of information carried by the TLV. The Length field indicates the length of the Value field in bytes. The Value field contains the actual data.
The answer to this question is A and D.
A TLV may include various attributes, depending on the type of information being conveyed. Two possible attributes that could be included in an IS-IS TLV are:
Topology Attribute: The topology attribute in an IS-IS TLV provides information about the network topology. This information includes the network ID, the router ID, and the adjacency information between routers. The topology attribute is important for routing and path selection.
Value Attribute: The value attribute in an IS-IS TLV carries various types of information, such as routing metrics, network policies, and other configuration information. The value attribute can be used to communicate a wide range of data, depending on the specific TLV being used.
In summary, an IS-IS TLV consists of a Type field, a Length field, and a Value field. The TLV can carry various types of information, including network topology and routing metrics. Two possible attributes that could be included in an IS-IS TLV are the topology attribute and the value attribute.
