Answer: B add presenters notes
A root guard is seen as the mechanism will move a port into a root-inconsistent state if bpdus coming from a certain direction indicate another switch is trying to become the root bridge.
<h3>What is Root guard?</h3>
Root guard is known to be a term that pertains to the family of STP feature and it is one that is enabled only on a port-by-port basis.
Note that it hinders a configured port from changing to a root port and as such, a root guard is seen as the mechanism will move a port into a root-inconsistent state if bpdus coming from a certain direction indicate another switch is trying to become the root bridge.
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Answer:
c. StringBuilder
Explanation:
An alternative to the String class would be the StringBuilder Class. This class uses Strings as objects and allows you to mix and match different strings as well as adding, removing, implementing, and modifying strings themselves as though they were similar to an array. Unlike the string class StringBuilder allows you to modify and work with a combination of strings in the same piece of data as opposed to having various objects and copying pieces which would take up more memory.
