Answer: Option (A) & (D) are correct.
Layer 2 switch is commonly referred to as a type of network or device switch that tends to work on data link layer and use MAC addresses in order to determine the route through which the frames are forwarded.
An IDS known as intrusion detection system is commonly referred to as a device or application that controls a network for malevolent activity and its policy violations.
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Answer:
Relationship vs N-ary Relationship
Explanation:
It is not part of the design choice in ER model because N-ary reflects an indefinite form or better still creates an identifying attribute in an ER relationship. Example is the process of creating an auto-generated ID value
A mail server. --------------------------------------------