NT1230 – 01/17/2013
Week #3-Problem Set #1-Unit #3 Problems
1. A software routine, which also acts as a filter that blocks certain type of incoming and outgoing traffic, while enabling other types is called a Firewall.
2. The: Network Sharing Center tool provides a certain access point for all of the network controls and connections on a computer running Windows 7.
3. A device that connects one network to another is called a router.
4. The most common method for illustrating the operations of a networking stack is the OSI (Open Systems Interconnection), which consists of seven layers.
5. Protocols that do not guarantee delivery of their data, but do operate with a very low ...view middle of the document...
It manages the distribution of Internet number resources, IPv4 and IPv6 address space and also AS numbers (Autonomous System), develops consensus based policies, and facilitates the advancement of the internet.
B. Internet Assigned Numbers Authority (IANA): The IANA was founded by the U.S. government (Department of Defense) in 1988. It oversees global IP address allocation, root zone management in the DNS (Domain Name System), media types, and other Internet Protocol symbols and numbers. This department is operated by the ICANN (Internet Corporation for Assigned Names and Numbers), under a United States Department of Commerce contract. IANA delegate’s allocations of IP address blocks to requesting Regional Registries as needed.
C. Asia-Pacific Network Information Center (APNIC): APNIC was established in 1992, originally in Japan but due to restrictive growth was relocated to Brisbane Australia. It is the Regional Internet Registry for the Asia-Pacific region. It provides number resource allocation and registration services that support the global operation of the Internet. They also allocate IPv4 and IPv6 address space and Autonomous System numbers, but they represent the interest of the Asia-Pacific Internet community on a global stage comprising 56 economies.
2. Approximately how many IPv4 addresses are possible? Approximately 4.3 Billion.
3. Approximately how many IPv6 addresses are possible? 3.403 * 1038.
4. Why do you think the world is running out of Ipv4 addresses? The world is running out of Ipv4 addresses due to the fact that it was the first publicly used version of Internet Protocol. The main reason, I think, is that every device on the internet must be assigned an IP Address to communicate and identify with other devices. The number of devices being connected to the...