What is the purpose of DNS quizlet?

Asked By: Enara Cumbreras | Last Updated: 6th April, 2020
Category: technology and computing web hosting
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DNS uses the Fully Qualified Domain Name (FQDN) to map a hostname to an IP address. Any domain can have hosts. A host is a specific computer or other network device within a domain, such as "computer1".

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Regarding this, what is the purpose of DNS?

Domain Name Servers (DNS) are the Internet's equivalent of a phone book. They maintain a directory of domain names and translate them to Internet Protocol (IP) addresses. This is necessary because, although domain names are easy for people to remember, computers or machines, access websites based on IP addresses.

Secondly, what are domain names quizlet? Domain Name. A name that is assigned within a top-level domain. ex: "khanacademy.org" is a domain that is assigned within the ".org" top-level domain. ICANN. International Corporation for Assigned Network Names and Numbers.

Besides, what is the purpose of a DNS server quizlet?

Terms in this set (33) Each domain contains resource records that contain host names, IP addresses and other information. DNS queries retrieve information from a domain. DNS server service that maintains DNS information.

Is DNS a protocol?

(Although many people think "DNS" stands for "Domain Name Server," it really stands for "Domain Name System.") DNS is a protocol within the set of standards for how computers exchange data on the internet and on many private networks, known as the TCP/IP protocol suite.

25 Related Question Answers Found

What is the primary purpose of DNS?

The main function of DNS is to translate domain names into IP Addresses, which computers can understand. It also provides a list of mail servers which accept Emails for each domain name. Each domain name in DNS will nominate a set of name servers to be authoritative for its DNS records.

How does a DNS work?

The Domain Name System (DNS) is the phonebook of the Internet. Web browsers interact through Internet Protocol (IP) addresses. DNS translates domain names to IP addresses so browsers can load Internet resources. Each device connected to the Internet has a unique IP address which other machines use to find the device.

What is an example of a DNS?

DNS - Domain Name System
(1) Short for Domain Name System (or Service or Server), an Internet service that translates domain names into IP addresses. For example, the domain name www.example.com might translate to 198.105. 232.4.

What is the purpose of DHCP?

Overview. Dynamic Host Configuration Protocol (DHCP) is a network protocol that enables a server to automatically assign an IP address to a computer from a defined range of numbers (that is, a scope) configured for a given network.

How many types of DNS are there?


3 types of DNS servers—DNS Resolver, DNS Root Server and Authoritative Name Server. 10 types of common DNS records—including A, AAAA, CNAME, MX and NS.

What is the meaning of DNS?

Domain Name System

What is the main function of DHCP?

The Dynamic Host Configuration Protocol (DHCP) is a network management protocol used on Internet Protocol networks whereby a DHCP server dynamically assigns an IP address and other network configuration parameters to each device on a network so they can communicate with other IP networks.

What is the first step in the DNS lookup process?

Process
  • Step 1: Requesting Website Information. First, you visit a website by typing a domain name into a web browser.
  • Step 2: Contact the Recursive DNS Servers.
  • Step 3: Query the Authoritative DNS Servers.
  • Step 4: Access the DNS Record.
  • Step 5: Final DNS Step.

What is the first step in the DNS name resolution process?

How does DNS work?
  • Step 1: Request information.
  • Step 2: Ask the recursive DNS servers.
  • Step 3: Ask the root name servers.
  • Step 4: Ask the TLD name servers.
  • Step 5: Ask the authoritative DNS servers.
  • Step 6: Retrieve the record.
  • Step 7: Receive the answer.

What is a DNS MX record?


A mail exchanger record (MX record) specifies the mail server responsible for accepting email messages on behalf of a domain name. It is a resource record in the Domain Name System (DNS). It is possible to configure several MX records, typically pointing to an array of mail servers for load balancing and redundancy.

What are the two different types of DNS requests quizlet?

What are the two types of DNS requests? What do they each do? Recursive Query - Query that demands a resolution or the answer that it can't be found. Iterative Query - Query that does not demand a resolution.

What is commonly called an alias in DNS?

A Canonical Name record (abbreviated as CNAME record) is a type of resource record in the Domain Name System (DNS) which maps one domain name (an alias) to another (the canonical name). CNAME records must always point to another domain name, never directly to an IP address.

What do DNS servers use to help resolve IP addresses to DNS names?

Chapter 10 networkin
Question Answer
Which of the following are needed for e-mail clients to find their e-mail servers, FTP clients to find their file servers, and Web browsers to find Web servers? B) DNS servers
What do DNS servers use to help resolve IP addresses to DNS names? D) Reverse lookup zones

Where are the 13 root servers located?

The root servers are operated by 12 different organizations:
  • A VeriSign Global Registry Services.
  • B University of Southern California, Information Sciences Institute.
  • C Cogent Communications.
  • D University of Maryland.
  • E NASA Ames Research Center.
  • F Internet Systems Consortium, Inc.
  • G US DoD Network Information Center.

Which function is associated with the domain name system DNS?


DNS keeps the record of all domain names and the associated IP addresses. When you type in a URL in your browser, DNS resolves the domain name into an IP address. In other words, DNS is a service that maps domain names to corresponding IP addresses.

Why are information systems typically used at the operational level?

Information systems at the operational level are designed to automate repetitive activities, such as sales transaction processing, and to improve the efficiency of business processes at the customer interface.

Which are not allowed in domain names quizlet?

Terms in this set (29)
Domain names can only use letters, numbers, and hyphens. Spaces and symbols are not allowed. Domains are not case sensitive.