Juniper Networks Certified Associate Junos Exam: JN0-102 Terms in a Policy

Terms in a Policy

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Question

Which three statements are true about terms in a policy? (Choose three.)

Answers

Explanations

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A. B. C. D. E.

BCD

Policies are used to control the flow of traffic between network devices. They consist of a series of terms that define how to match traffic and what to do with it when a match is found. Here are the explanations of each statement:

A. The order of the terms in a policy is irrelevant. This statement is false. The order of the terms in a policy is important because policies are evaluated from top to bottom. If a term matches the traffic, the policy action is taken, and subsequent terms are not evaluated. Therefore, if the order of terms is changed, the policy's behavior can change.

B. The action is specified in a then statement. This statement is true. The then statement specifies the action to take when the policy matches the traffic. For example, a policy might allow traffic, drop traffic, or redirect traffic to a different destination.

C. Terms are optional in a policy. This statement is false. Terms are not optional in a policy. A policy must have at least one term. The term defines the match criteria and the action to take if the traffic matches the criteria.

D. The match condition can be identified with a from statement. This statement is true. The from statement specifies the match criteria for the term. For example, the criteria might be the source IP address, the destination IP address, or the protocol type.

E. A from statement is mandatory in a term. This statement is false. While a from statement is common in a term, it is not mandatory. Other statements can be used to specify match criteria, such as a prefix-list or an interface name.

Therefore, the correct answers are B, D, and E.