It530 Assignment Unit 1

1422 words - 6 pages


Domain Name Servers and Internet Protocol

Awaz Barwari

Kaplan University


Domain Name System (DNS) is central to the Internet and networking. It converts the host name into an Internet Protocol (IP) addresses. Domain names are in alphabetic form easy for human to remember. Nonetheless, the World Wide Web (WWW) is run based on IP addresses. Therefore, without the DNS the internet would be very difficult to access. Today, there are two versions of IP 4 and 6 that use DNS. With the growing number of devices with internet IP address, IPv4 is running out of addresses and will eventually be replaced by IPv6. ...view middle of the document...

com”. Finally, it will search the authoritative name servers for “” to get the IP address for the host, and return the address to the client device (Vugt, 2007).
There are two versions of IP used today IPv4 and IPv6. IPv4 is the most widely used to connect devices to the internet. It uses a 32-bit addresses, which put limitation to the number of address space to 4294967296 addresses. With the increase uses of the internet, and devices that connect to the internet this number will eventually run out. Thus, comes the need for IPv6 as a successor to IPv4. IPv6 uses 128-bit addresses, that increase the pool of IP addresses to 79228162514264337593543950336 addresses (IBM, n.a.).

The differences between the implementation of DNS in IPv6 and IPv4
Beside the size difference, there are many other differences between IPv4 and IPv6. First, DNS database is a collection of resource records. Each of these resource records contains information about a specific IP address. IPv4 uses “A” resource records in DNS to map host name and IPv6 uses “AAAA”, also known as quad resource records, in DNS to map host names. Second, IPv4 header doesn’t have a defined structure that identifies the flow of packets for Quality of Service (QoS). On the other hand, IPv6 header has a good define structure that identifies the flow of packets and thus points it to the router (IBM, n.a.). Third, the Dynamic Host Configuration Protocol (DHCP) in IPv4 requires a manual network configuration for each node attempting access to the internet. However, in IPv6, addresses can be automatically assigned using Stateless Address Autoconfiguration (SLAAC). This means that the routers and switches will request the space versus the end nodes, and that will allow the device to get online faster and more efficiently (Donaldson, 2011). Fourth, in IPv4, Internet Control Message Protocol (ICMP) is optional, and it is used to identify the IPv4 address of the best default gateway. In IP6v the ICMP is a vital part. In addition to the router discovery messages in IPv4, IPv6 adds many more messages like multicast listener discovery messages and neighbor discovery messages. Fifth, IPv4 uses broadcast addresses, which mean that the packets would be sent to every host attached to the network, instead to only a specific host. In IPv6 there are no broadcast addresses. In its place, the IPv6 uses multicast scope addresses. That means that packet sent to multicast address is delivered to that address, and all the other hosts will not be bothered with that packet. Sixth, In IPv4 when a packet size is larger than the maximum transmission unit, it will be fragmented by the host before it can be sent over the network. There are couple of control fields in the IPv4 header to help when fragmentation is needed. The Flags which will point out if there are more fragments, and Fragment offset which identify the position of the fragment in the datagram. In IPv6 only the sender is allowed to...

Other Papers Like It530 Assignment Unit 1

Nt2580 Unit 1 Assignment 2

554 words - 3 pages Unit 1 Assignment 2 Impact of a Data Classification Standard Internal use only is information that may or may not be confidential. But is shared within a organization and kept away from the public. With that being said it is imperative that we seek the following to be incorporated within the standards in each domain. User Domain refers to the people who have access to the organizations equipment User domains is the worst domain for security

Is3230 Unit 7 Assignment 1

565 words - 3 pages | Unit 7 Assignment 1 | Implementation of Authentication Process | | | WLANs (wireless local area networks) are becoming increasingly prevalent, not only in schools, but in many businesses and establishments. They can provide a plethora of benefits within a school environment including flexibility, speed, and resource mobility. A WLAN would assist in ease of use, and make many of the day-to-day functions of school employees

It500 Unit 2 Assignment 1

1789 words - 8 pages Unit 2: Assignment 1: Global Challenges Associated with E-Commerce December 18, 2012 IT500-01N: Critical Concepts and Competencies for the IT Professional Instructor: Dr. Sheila Fournier-Bonilla Kaplan University Unit 2: Assignment 1: Global Challenges Associated with E-Commerce E-Commerce has changed the ways that companies do business, they are no longer confined to certain areas, regions, or even countries. "E-Commerce and m

Nt1210 Unit 4 Assignment 1

1669 words - 7 pages Unit 4 Assignment 1. Answer These Questions 1. You have created a simple electrical circuit with a battery, wires, and a light bulb. Which of the following is true about this circuit? (Choose two answers.) a. The battery’s positive lead pushes current away from that lead. b.- The battery’s positive lead pulls current toward that lead. c.- The circuit creates a direct current. d. The circuit creates an alternating current. 2. A PC

Bu1410 Unit 2 Assignment 1

2804 words - 12 pages BU1410 Management Information Systems Unit 2 Assignment 1 Instructor: Willie Cooper Jr. Chapter 2 1. What are the major functions of a business that are important for understanding the role of information systems? * Define a business and describe the business functions. * According to the book “A business is a formal organization whose aim is to produce products or provide services for a

Unit 4 Assignment 1: Visual Elements & Graphics

450 words - 2 pages SD1240 Unit 4 Assignment 1: Visual Elements & Graphics Course Objectives and Learning Outcomes Use HTML to define the structure of content. Use Cascading Style Sheets (CSS) to format Web pages. Use visual Elements and graphics on Web pages. Create and format lines and borders on Web pages. Decide when to use graphics and what graphics are appropriate. Apply the image element to add graphics to Web pages. Configure images as

Unit 2 Assignment 1: Service Provider Types

667 words - 3 pages Brenda Deni NT1310: Physical Networking Unit 2 Assignment 1 3/30/2014 Service Provider Types * RBOCS: Regional Bell Operating Company Service * Regional Bell operating company (RBOC) is a term describing one of the U.S. regional telephone companies (or their successors) that were created as a result of the breakup of American Telephone and Telegraph Company (AT&T, known also as the Bell System or "Ma Bell") by a U.S. Federal

Intro to Programming Unit 1 Research Assignment

697 words - 3 pages Unit 1 research assignment 1 1970’s 1) Pascal, Creator, Niklaus Wirth. The specific motivation behind this language was to encourage good programming practice using structured programming and data structuring. 2) SQL (Structured Query Language) designed by, Donald D. Chamberlin, and Raymond F. Boyce. The motivation behind this language was designed for managing data held in a relational database management system. ( RDBMS) 3) C

Unit 1 Research Assignment 1: Exploring Programming Languages

604 words - 3 pages Unit 1 Research Assignment 1: Exploring Programming Languages NT1420 In the late 1960’s Simula was invented by Nygaard and Dahl as a superset of Algol 60, this was the first language designed to support object-oriented programming. Then between 1969 and 1973 C was developed by Dennis Ritchie and Ken Thompson at Bell Labs. Smalltalk was created in the mid 1970’s that provided a complete ground-up design of an object-oriented language, and

Unit 8 Assignment: 1 Written Reflection On Our Interview

329 words - 2 pages Unit 8 Assignment:1 Written Reflection on Our Interview After conducting my interview, I can say that I walked away from this experience with many a lesson learned. The first lesson that I learned was that after choosing a person to interview, then asking that person, most will jump on the defensive and ask “about what”. This is due to the fact that most people are usually pressed for time. They initially want to know how

Unit 6 Assignment 1 - Ad User Group Design

320 words - 2 pages Unit 6 Assignment 1: AD User/Group Design Scenario To: Junior Admin I received your e-mail asking how to provide access to resources throughout your AD environment and you are not sure which strategies are best for the different situations you are encountering. I would recommend that since you have a domain for each department, such as Marketing, accessing one printer is very easy. To start, you will need to create a group that allows access

Related Essays

Unit 4 Assignment 1

271 words - 2 pages IS3340-WINDOWS SECURITY | Auditing Tools for Windows System | Unit 4 Assignment 1 | | | 5/1/2014 | | 1. You want to schedule a weekly analysis for the Windows servers in your data center. The command should run as a scheduled job and report any available patches for the Windows Server 2008 R2 operating system, Internet information services (IIS) Web server, or structured query language (SQL) server that have not been

Alternative Assignment Unit 1

549 words - 3 pages emails to clarify any questions. Unit 1: It is very important to think why writing matters. What do we try to accomplish by writing? In our day and age, we find that writing includes research, emails, blogs, text…etc we communicate through writing everyday. There are many elements to consider while writing: • Audience: knowing your audience changes the language. • Purpose: reason for writing complaints, catching up with friends, formal writing at work • Context: Considering where this paper or document will be presented, different ways of the writing styles • Writer’s goal: what is the outcome from this writing?

Unit 4 Assignment 1

1067 words - 5 pages 1 Running head: UNIT 4 ASSIGNMENT 1 Fundamentals of Finance BUS 3062 Rodtrice Johnson 3/7/16 Unit 4 Assignment 1 Dennis Hart 1. Q: Proficient-level: "How do Cornett, Adair, and Nofsinger define risk in the M: Finance textbook and how is it measured?" (Cornett, Adair, & Nofsinger, 2016). Distinguished-level: Describe the risk relationship between stocks, bonds, and T-bills, using the standard deviation of

Unit 5 Assignment 1 Video

671 words - 3 pages Unit 5 Assignment 1: Video Summary NT1110 There are two major manufactures we use in today’s market which are Intel and AMD. There are some minor competitions but don’t stay on the market for long. The system bus for the CPU is also known as the Front-side bus as it inserts the CPU and has a 64 bit data pass. In the CPU theirs a controller that controls communication between the motherboard and other components with the CPU. The ALU is