I need help on this questions thanks...

You have configured your browser to open multiple simultaneous connections to a Web site? What are the advantages and disadvantages of having a large number of simultaneous TCP connections? Explain your response in detail. (8) Q12. A response to your domain server query is returned by k.gtld-servers.net on 3/8/2018 at 5:31:58 PM. Q13. a. Comment on the responder, with respect to DNS hierarchy. (5) b. Compare and contrast 'Iterative' and 'Recursive' DNS queries