Which of the following about the SSM protocol are true?

Which of the following about the SSM protocol are true?
A . After the SSM protocol is disabled, the clock network can be unidirectional but cannot adopt a ring topology.
B . After the standard SSM protocol is enabled, the clock network can be bidirectional but cannot adopt a ring topology.
C . After the extended SSM protocol is enabled, the clock network can be bidirectional and adopt a ring topology, which can be intersecting or tangent with other networks.
D . The SSM protocol has little to do with clock networks.

Answer: AB

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong>