フリー問題

問題文

An engineer reads how the party that pushes subscribed notifications handles replay and changes of terms. Which statement is correct?

選択肢

1. The leaf whose presence in the entry of a stream shows that a replay is possible is the one named after replay support, the actual size of the replay log at a given moment is described as a matter specific to the publisher, and the operation that permits changing the terms of an existing dynamic subscription is named after the act of modifying.
2. The leaf whose presence in the entry of a stream shows that a replay is possible is the one named after replay window, the actual size of the replay log at a given moment is described as a matter specific to the publisher, and the operation that permits changing the terms of an existing dynamic subscription is named after the act of killing.
3. The leaf whose presence in the entry of a stream shows that a replay is possible is the one named after replay window, the actual size of the replay log at a given moment is described as a matter specific to the local, and the operation that permits changing the terms of an existing dynamic subscription is named after the act of modifying.
4. The leaf whose presence in the entry of a stream shows that a replay is possible is the one named after replay support, the actual size of the replay log at a given moment is described as a matter specific to the local, and the operation that permits changing the terms of an existing dynamic subscription is named after the act of killing.