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.

The correct answer is A. true.
It was written in 1948 by the bureau of Labor statistics .
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Answer:
Digital communication technologies
Explanation:
connecting people across the globe has become easier and faster. Platforms such as Zoom, Room, Microsoft teams, WebEx, and many others are buzzing virtual world spaces to connect and share.
Not really is she wants the words that she's typing down sometimes it's not necessary to leave it to the auto correct It can always be bad when re-reading it again.
Answer: Most obvious spam messages will still reach the client computer
Explanation:
It should be noted that by default, usually the junk email filter is already set to No Automatic Filtering.
When a user configures No Automatic Filtering in Junk Mail Options, it should be noted that most obvious spam messages will still reach the client computer.
Therefore, the correct option is D.