TEL103: Telecommunications 3

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Assignment 5

1. Identify the mechanism that allows DNS to satisfy name resolution requests locally as a first choice.
2. Domain namespace root is identified by a:
3. What top-level domain name is used by on-line organizations?
4. Briefly describe how a network administrator at any organization with a valid domain name has local control over database segments.
5. How many DNS servers hold the master copy of ronpoland.com data?
6. Which Resource Record stores IP address-to-domain name translation data?
7. What distinguishes the master server from other DNS servers?
8. Where do zone data transfers originate from?
9. Which type of DNS server stores recently accessed DNS records from other domains?
10. Identify the two types of requests from a network client resolver to a domain name server.

Know the following terms:

• Available
• Caching
• Caching Server
• DNS Database Segment
• Domain Name Hierarchy
• Domain Name Resolution
• Inverse DNS Query
• Name Resolver
• NSLOOKUP
• Root
• Zone