Which of the following is possible under the pub$-$sub messaging using Kafka?$1.$ The consumer sends an acknowledgment to Kafka broker that the message is received$\mathrm{.}2.$ The consumer has the option to rewind$/$skip to the desired offset of a topic at any time.:$3.$ The consumer can never read the next message correctly, even during server outrage$\mathrm{.}4.$ The consumer will request the Kafka in a regular interval of less than $100$ Ms for new messages.