Preview

05 - DNS

 1. Internet registrars hold _______________________ and the details of those domains that are curently available to purchase.

  None of the above

  records of all existing website names

  records of all DNS servers in the world

  records of all corresponding ISPs

 2. Internet registrars are essentially …………………………… for domain names and allow people and companies to purchase them.

  None of the above

  ISPs that are listed elsewhere

  individuals that act as routers

  companies that act as resellers

 3. All registrars must be accredited by their governing registry

  TRUE

  FALSE

 4. Internet registries are five global organisations governed by the Internet Corporation for Assigned Names and Numbers (ICANN)

  FALSE

  TRUE

 5. ICANN has worldwide databases that hold records of all the domain names currently issued to individuals and companies and their details.

  True

  False

 6. The details held by ICANN include the registrant's name, type, (company or individual), mailing address, seller's name, and……

  personal data (e.g. gender, eye colour)

  profession, MAC address, IP address etc.

  date of registry

  None of the above

 7. Another thing that registries do is ….

  set up WIFI hotspots across a network

  allocate IP addresses and keep track of which address(es) a domain name is asspcoated wotj as [art pf the DNS

  None of the above

  set up routers and distribute them across the world

 8. A domain name basically identifies the area or domain that an internet resource resides in. These are structure into a ……

  hierarchy of smaller domains and written as a string seperated by full stops

  series of hex numbers

  series of fourteen binary numbers

  None of the above

 9. Generic TLD's include .com, .edu, and .org. What are TLDs?

  Topical Lexical DNS

  Text Level Databases

  Tall losing doners

  Top level domains

 10. Each Domain name has one or more equivalent IP addresses.

  FALSE

  TRUE

 11. There are an infinite (endless) amount of IP addresses available for use so there is no need for an impartial system to assign domain names.

  FALSE

  TRUE

 12. Internet registries and registrars are responsible for ensuring an impartial system and method for assigning and distributing domain names (and IP addresses)

  TRUE

  FALSE

 13. The IANA( Internet assigned numbers authority) decides which IP address will be used in what region.

  TRUE

  FALSE

 14. An example of a UK registry can be found at www.nominet.org.uk

  FALSE

  TRUE

 15. If you have just founded a company and need to purchase a domain name you would approach a DNS server keeper.

  FALSE

  TRUE