1. What type of device does a computer turn to first when attempting to make contact with a host on another network? Default gateway DNS server Root server DHCP server What number does a host use to identify the application involved in a transmission? IP address MAC address Port number Sequence number When messages to a remote Web server are being lost for no apparent reason and you suspect the problem might be a path MTU black hole, which TCP/IP utility can you use to diagnose the problem? netstat traceroute nbtstat ping 4. Socket is the combination of ____________ and ______________. 5. You have just set up a new wireless network in your house, and you want to determine whether your Linux laptop has connected to it and obtained a valid IP address. What command will give you the information you need? 6. Which of the following is a technique designed to conserve the number of public IP addresses needed by a network? public addressing