. Answer the following questions concerning chapter 9: 9.1 This type of port is

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. Answer the following questions concerning chapter 9: 9.1 This type of port is typically used by a server program that does not have a RFC. a. well-known port registered port b. private port C. 9.2 The port used by a web browser is assigned by the operating system in the client computer. What type of port is this? a. well-known port registered port b. private port C. 9.3 John says he's concerned that open ports on the server make it vulnerable to attacks. What does he mean by "open ports"? a. An open port is prepared to respond to any traffic b. An open port is prepared to respond to all traffic c. An open port is prepared to respond to any traffic that d An open port will not respond to any traffic addressed to that port number addressed to the server host IP contains an "open" command addressed to port 80 that port number d to any traffic addressed to 9.4 Two computers communicate by sending data without setting up a channel first. What type of communication is this? a. broadcast b. connection-oriented connectionless d. multicast 9.5 Host A sends SYN to host B. Assuming normal a. FIN c. operation, how does host B respond? b. SYNc. SYN ACK d ACK 9.6 Which protocol does the ping application use? a. HTTP b. DHCP c. ARPd. ICMP 9.7 Which of the following could be a request line in HTTP? a. GET /index.html HTTP/1.1 b. HTTP/1.1 200 OK c. Date: Mon, 28 Nov 2016 07:35:25 GMT d https://webmail.njit.edu

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