...different organizations. The organizations assign groups of their numbers to departments. IP operates on gateway machines that move data from department to organization to region and then around the world. DNS stands for Domain Name Space and it has three major components, the database, the server, and the client. The database is a distributed database and is comprised of the Domain Name Space, which is essentially the DNS tree, and the Resource Records that define the domain names within the Domain Name Space. The server is commonly referred to as a name server. Name servers are typically responsible for managing some portion of the Domain Name Space and for assisting clients in finding information within the DNS tree. Name servers are authoritative for the domains in which they are responsible. They can also serve as a delegation point to identify other name servers that have authority over subdomains within a given domain. The Resource Records data found on the name server that makes up a domain is commonly referred to as zone information. A single zone can either be a forward zone, this is information that pertains to a given domain or an inverse zone, this is information that maps IP addresses into DNS host names. DNS allows more than one name server per zone, but only one name server...
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...Networking Week 3 1 DNS: is a standard technology for managing the names of Web sites and other Internet domains. 2 Domain: a domain is a sub network made up of a group of clients and servers under the control of one central security database. Within a domain, users authenticate once to a centralized server known as a domain controller, rather than repeatedly authenticating to individual servers and services. Individual servers and services accept the user based on the approval of the domain controller. 3 FQDN: is a domain name that specifies its exact location in the tree hierarchy of the Domain Name System (DNS). It specifies all domain levels, including the top-level domain and the root zone. 4 DNS Resolver: The client-side of the DNS is called a DNS resolver. It is responsible for initiating and sequencing the queries that ultimately lead to a full resolution (translation) of the resource sought, e.g., translation of a domain name into an IP address. 5 Host Name: is a label that is assigned to a device connected to a computer network and that is used to identify the device in various forms of electronic communication such as the World Wide Web, e-mail or Usenet. Hostnames may be simple names consisting of a single word or phrase, or they may be structured. 6 DNS Zone: is a portion of a domain name space using the Domain Name System (DNS) for which administrative responsibility has been delegated. 7 Zone File: zone file is a text file that describes a DNS zone. The zone file...
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...Running Head: DOMAIN NAME SERVERS AND INTERNET PROROCOL Domain Name Servers and Internet Protocol Awaz Barwari Kaplan University Abstract 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. But until then, it is important to understand the many similarities and contrast between both versions. Domain Name Servers and Internet Protocol The core of how the internet works is the DNS, which was created to simplify the unmanageable computer naming. Thus, allowing us to use a more human friendly host name while exchanging email or accessing web pages. An IP address is a numerical label assigned by the Internet Assigned Numbers Authority (IANA) to every host in order to communicate. (Gralla, 2006). The DNS will translate host name like www.google.com into a raw IP address number 173.194.40.197. DNS structure is a hierarchical distributed database. At the top level there is a root server. Many categories were created under the root called the top level domains: .Com, .Net, .Org...
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...NETWORK ADMINISTRATION LABMANUAL Student Name: ________________________ Faculty Name: ________________________ Institute Name: ________________________ Branch Name: ________________________ Batch Date : ________________________ Windows Server 2008 - Network Administration INDEX Sr. No. 1 Topic Dynamic Host Configuration Protocol (DHCP) Lab – 1: Installing DHCP Service Lab – 2: Creating a Scope Lab – 3: Creating DHCP Reservations Lab – 4: DHCP Server Backup and Restore Page No. 5 6 12 20 22 2 Domain Naming System (DNS) Lab – 1: Installing DNS Service Lab – 2: Creating Standard Primary Forward Lookup Zones Lab – 3: Creating Standard Primary Reverse Lookup Zones Lab – 4: Creating Secondary Zone Lab – 5: Creating Stub Zone Lab – 6: Creating Active Directory Integrated Primary zone Lab – 7: Conditional Forwarders Lab – 8: Forwarders Lab – 9& 10: Root Hints and Cache Server 24 25 27 33 38 42 44 47 48 49 3 Internet Information Services (IIS)- Web Server Lab – 1: Installing Internet Information Service - Web Server Lab – 2: Creating a Website Lab – 3: Configuring Redirection of Websites Lab – 4: Creating Virtual Directory Lab – 5: Changing the Website IP address or Port no Lab – 6: Creating Self-Signed Certificate for HTTPS Website Lab – 7: Creating a HTTPS Web Site 50 51 54 62 64 67 68 71 4 Internet Information Services (IIS)- Ftp Server Lab – 1: Installing Internet Information Service - FTP Server Lab – 2: Creating Do not Isolate User FTP...
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...Creating a Domain Model Option 1 POS/421 – Windows Server Networking University of Phoenix Robert Singer The hierarchical naming system for computers, known as the Domain Name System (DNS), in any source linked to the Internet or private network. This system connects diverse information with domain names assigned to each of the participants. More importantly, it communicates the domain names that humans understand into numerical (binary) identifiers associated with networking equipment for the purpose of locating and addressing these devices worldwide. An analogy used often to explain the Domain Name System is that it is like a phone book for the Internet. It translates language a human can understand to computer hostnames into IP addresses. For instance, www.example.com changes to 192.0.32.10. DNS known also as a distributed database that offers mapping between IP addresses and Host names. Using the Domain Name System it is likely to assign domain names to sets of Internet users in an important way, free of each user's actual physical location. Since this is possible, World Wide Web (WWW) hyperlinks and Internet contact information will stay dependable and unbroken even if the existing Internet routing arrangements become altered or change, or the participant uses a mobile device. Internet domain names are easier to remember than IP addresses such as 209.75.188.166 (IPv4) or 2001:db8::1f70:6e8 (IPv6). Individuals take use this advantage when they talk about...
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...Lab 2 worksheet CONFIGURING DNS AND DHCP THIS LAB CONTAINS THE FOLLOWING EXERCISES: Exercise 2.1 Designing a DNS Namespace Exercise 2.2 Creating a Zone Exercise 2.3 Creating Domains Exercise 2.4 Creating Resource Records Exercise 2.5 Creating a Scope Exercise 2.6 Confirming DHCP Server Functionality Exercise 2.7 Configuring DHCP Reservations Workstation Reset: Returning to Baseline Estimated lab time: 100 minutes |Exercise 2.1 |Designing a DNS Namespace | |Overview |You have been tasked with creating a test DNS namespace structure for your organization. Your first | | |task is to design that namespace by specifying appropriate domain and host names for the computers in| | |the division. | |Completion time |15 minutes | 2. In the diagram provided in Figure 2-1, write both the domain names and the fully qualified domain names that you have selected for the computers in the appropriate spaces. Figure 2-1 |Exercise 2.2 |Creating a Zone | |Overview...
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...ITT-TECH Institute Hanover, MD Configuring and Maintaining the DHCP and DNS Server Roles Unit 2 Jovanny Avelino Client-Server II NT1330 Professor Arthur VIII Due: 3/21/2016 DHCP: DHCP is a standard protocol that make TCP/IP network configuration much easier for the administrator by dynamically assigning IP addressing and providing additional configuration information to DHCP clients automatically. DHCP configuration information can centrally manage all information can stored in one single location. Because DHCP is dynamically host configuration can eliminate the prose of manually configured all client IP address. Other benefit of DHCP is the opportunity of set up the subnet mask, default gateway and the DNS IP address. And give the flexibility of change IP address when is need it. The DHCP server have different ways to communicate with the client: * DHCPDISCOVER: is when the client send a broadcast to find a DHCP server. * DHCPOFFER: soon and he server find the client than the server respond, and send a offer. * DHCPREQUEST: is when the client respond to the offered from the DHCP server. * DHCPDECLIEN: mean that the client declined the DHCP server offered. * DHCPACK: is the way the DHCP server confirm the IP address and configuration parameters. * DHCPRELEASE: is the way the client cancel the IP address lease. * DHCPINFORM: is a message send by the client asking for additional configuration parameters, also use for detect unauthorized...
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...EN1330 Client-Server Networking 2 Unit 1. Assignment 1 9/25/2014 A Domain Name System (DNS) is a hierarchical distributed naming system for computers, services, or any resources connected to the internet or a private network. It associates various information with domain names assigned to each of the participating entitles. It translates easily memorized domain names to the numerical IP addresses needed for the purpose of locating computer services and devices worldwide. The best way that I have been able to explain it, it works like a phone book for the internet by translating hostnames into IP addresses. But unlike a phone book, the DNS can easily be updated and quickly. The internet maintains two principal namespaces, the domain name hierarchy and the Internet Protocol address spaces. A DNS name server is a server that stores the DNS records for a domain name, such as (A or AAA) records, name server records, and mail exchanger records. A DNS name server responds with answers to queries against its database. The Dynamic Host Configuration Protocol is a Standardized networking protocol used in Internet Protocol networks for dynamically distributing network configuration parameters, such as IP addresses for interface and services. With DHCP computers request IP addresses and networking parameters automatically from a DHCP server, reducing the need for a network administrator or a user to configure these settings manually. DHCP is used by computers for requesting Internet...
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...Wright IT 221 Mr. H 9/19/13 Introduction to Networking Concepts Fill in the Blank 1. The most widely used IP addressing scheme is IPv4 2. The most recent and largest address space IP addressing scheme is IPv6 3. To distribute IP addresses automatically, a network administrator would configure the DHCP service. Dynamic Host Configuration Protocol (DHCP) 4. The first attempt at breaking up IP address space used classfull addressing to provide address ranges of differing sizes. 5. Prior to the introduction of the Domain Name System, computers used HOSTS files to map human-readable named to IP addresses. 6. A(n) subnet mask is used to separate the host address portion of an IP address from the network address. 7. The subnet mask within the TCP/IP configuration is used to distinguish the network address from the host address. 8. In dotted-decimal notation, each IPv4 address is broken up into four octets. 9. Server computers and other systems that need to be accessed reliably by network clients should be configured with a(n) static IP address 10. The method of breaking up IP address space into address ranges of flexible size is called Classless Inter-Domain Routing (CIDR) Multiple Choice 1. What must each host on a TCP/IP network be configured with in order to communicate with other hosts? IP address 2. What is the...
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...releases its old IP address. After that, type the command "ipconfig /renew" (without the quotes) and press "Enter." This requests a new IP address from the DHCP server. b. A novice administrator has just completed a restoration of the DHCP database. However, this person has realized that the scope information displayed in the DHCP snap-in is inconsistent. They do not know how to fix this problem. Explain what most likely is required in this situation. In order to fix this problem, administrators need to reconcile the information between Windows registry and DHCP server database c. They would like an explanation of DNS zones because they are considering implementing their own DNS server internally inside their company. Every domain name, which is a part of the DNS system, has several DNS settings, also known as DNS records. In order for these DNS records to be kept in order,...
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...Active Directory Design Guide Thursday, 25 February 2010 Version 2.0.0.0 Baseline Prepared by Microsoft Prepared by Microsoft Copyright This document and/or software (“this Content”) has been created in partnership with the National Health Service (NHS) in England. Intellectual Property Rights to this Content are jointly owned by Microsoft and the NHS in England, although both Microsoft and the NHS are entitled to independently exercise their rights of ownership. Microsoft acknowledges the contribution of the NHS in England through their Common User Interface programme to this Content. Readers are referred to www.cui.nhs.uk for further information on the NHS CUI Programme. All trademarks are the property of their respective companies. Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. © Microsoft Corporation 2010. All rights reserved. Disclaimer At the time of writing this document, Web sites are referenced using active hyperlinks to the correct Web page. Due to the dynamic nature of Web sites, in time, these links may become invalid. Microsoft is not responsible for the content of external Internet sites. Page ii Active Directory – Design Guide Prepared by Microsoft, Version 2.0.0.0 Last modified on 26 February 2010 Prepared by Microsoft TABLE OF CONTENTS 1 2 Executive Summary ..............................................................................................
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...Domain Name System By: Teresa M. Wade In today’s society, technology has made life very convenient. One of those conveniences is the World Wide Web (WWW) commonly known as the Internet. From the touch of a button or a click of a mouse a user can gain access to a plethora of information. There are many different protocols and services that are interconnected to provide this ability. One such service is called Domain Naming System (DNS). DNS is an Internet service that translates domain names into IP addresses. This may not seem like a big deal to most but many would beg to differ if they had known that without DNS they would have to remember billions of numbers. Everything in a network has an IP address. DNS helps us designate what those devices are. There are 3 basic components of DNS which are zones (or namespace), name servers and resolvers. In the following reading you will learn what DNS is as well as the working components that make it as reliable as it is today. DNS was invented in 1983 shortly after Transmission Control Protocol/Internet Protocol (TCP/IP) was deployed. DNS operates on port 53 and utilizes User Datagram Protocol (UDP). The only time that the Transmission Control Protocol is used is when the response size exceeds 512 bytes. The only time that UDP can be used to transport more than 512 bytes is if EDNS is used. EDNS is basically an extension of DNS. Before the use of DNS, every computer on the network would retrieve a file called HOST.txt from...
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...1. The process of obtaining an IP address for a computer name is called ____. 2. The routing service included with windows server 2008 is better suited for ____. 3. Network Address Protection was introduced with which operating system? 4. A starting address of 192.0.0.0 and an ending address 223.255.255.255 is a member of which network class? 5. IPv4 addresses are commonly represented by using what type of notation? 6. Which feature is an integral part of IPv6, whereas it was an optional feature under IPv4? 7. Each host on a TCP/IP network should be configured with a number of mandatory optional configuration items except for which of the following? 8. If a system will be a DHCP server, what type of address should you set? 9. What is made up of free space from multiple physical disks? 10. Which partition style is recommended for disks larger than 2tb or for disks that are used in Itanium computers? 11. BOOTP enables a TCP/IP workstation to retrieve settings for all of the configuration parameters it needs to run excluding which option? 12. Which of the following is not a key benefit provided by DHCP for those managing and maintaining a TCP/IP network? 13. Sent by clients via broadcast to locate a DHCP server per RFC 2131, which message may include options that suggest values for the network address lease duration? 14. What type of zone might a DNS server host? 15. Which of the following is not a forward or reverse lookup...
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...The process of obtaining an IP address for a computer name (for example, “ComputerA”) is called | Name Resolution | The routing service included with Windows Server 2008 is better suited for | A smaller network | . Network Access Protection was introduced with which operating system? | Windows Server 2008 | A starting address of 192.0.0.0 and an ending address of 223.255.255.255 is a member of which network class? | Class C | . IPv4 addresses are commonly represented by using what type of notation? | Dotted-decimal | Which feature is an integral part of IPv6, whereas it was an optional feature under IPv4? | IP Security | Each host on a TCP/IP network should be configured with a number of mandatory and optional configuration items except for which of the following? | Routing Method | . If a system will be a DHCP server, what type of address should you set? | Static IP Address | What is made up of free space from multiple physical disks | Spanned Volume | Which partition style is recommended for disks larger than 2TB or for disks that are used in Itanium computers? | GPT | . BOOTP enables a TCP/IP workstation to retrieve settings for all of the configuration parameters it needs to run excluding which option? | Workstation Settings | Which of the following is not a key benefit provided by DHCP for those managing and maintaining a TCP/IP network? | De Centralized Administration | Sent by clients via broadcast to locate a DHCP server per RFC 2131, which message...
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...Quiz 1 and 2 * Windows Deployment Services (WDS) is a software platform and technology that allows you to perform which function? A) automated network-based installations based on network-based boot and installation media * Which two role services does the WDS Role include? A) Transport Server and Deployment Server * What role does preboot execution environment (PXE) play in WDS? A) It's used to boot to a WDS Server to install a preinstallation environment What is the name of the Windows Server 2012 installation DVD boot image file? A) boot.wim * What function does the System Preparation Utility (Sysprep.exe) perform on a system? A) It removes a system's name and SID * What type of XML file do you need to create and add information to when performing an unattended operating system installation via WDS? A) answer files * How do you mount a Windows image using Dism.exe so that you can update it? A) Offline * Which feature of Windows Server allows you to add driver packages to WDS and then deploy them? A) dynamic driver provisioning * Windows PE 4.0 is based on which operating system? A) Windows 8 * Where in a system do you configure PXE? A) Bios * The initial configuration of WDS includes setup of what other server? A) DHCP * When using sysprep on the master computer, why do you include the /oobe parameter? A) It presents the Windows Welcome Wizard on the next boot ...
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