Question 1 This layer of the OSI model is responsible for dialog control, token management, and synchronization. Question 2 What is the typical method for restricting packet lifetime on the Internet? Question 3 A machine with a single DNS name have multiple IP addresses. Question 4 If a local DNS server cannot find an IP address for a specified URL, it does this. Question 5 What is the default protocol used for sending email messages over the Internet? Question 6 This protocol is used to send web pages from web servers to internet browsers. Question 7 This mail system protocol was created as an improvement of the POP3 protocol, and has the ability to address mail not by message number, but by using attributes. Question 8 The primary purpose of a Socket primitive is to provide which one of the following services? Question 9 _____ uses a three-way handshake to establish connections. Question 10 The primary purpose of this feature is to make sure that information is properly handled so that if too much information is sent and/or received the network connection will handle the information appropriately. Solution 1.session layer 2.hop count 3.true 4.Returns an error 4xx to the client requesting the resource 5.SMTP 6.HTTP 7.IMAP 8.Create a communication endpoint 9.TCP 10.flow control .