Why do dns root servers hold entries for two-level, Software Engineering

Assignment Help:

QUESTION - Name Services

(a) Illustrate with help of a diagram the results of a DNS lookup and an ARP lookup assuming we are using IPv4.

(b) Why do DNS root servers hold entries for two-level names such as ac.mu and un.org, rather than one-level names such as .mu and .org?

(c) Is it possible for a DNS server to provide multiple answers to a single name lookup? When and Why?

(d) Explain the use

      (i) of aliases in name services

      (ii) of caching servers to enhance availability

 


Related Discussions:- Why do dns root servers hold entries for two-level

Explain the modularity concept mean, What does Modularity concept mean? ...

What does Modularity concept mean? Software architecture embodies modularity; i.e. Software is named in to addressable components called modules, which are integrated finally.

How do we zero down on automation tools, How do we zero down on automation ...

How do we zero down on automation tools for regression testing? Below criteria are used when zeroing down on automation tools for regression testing: - Risk analysis such as

Explain black box testing and its categories, Black Box Testing :-Black Box...

Black Box Testing :-Black Box Testing is also known as behavioural testing, focuses on the functional requirements of the software. It allows the software engineer to derive sets o

Dma, what effect does memory have on dma? what about on board cache? how mu...

what effect does memory have on dma? what about on board cache? how much are the system buses available?

Characteristics of an embedded system, Question: a) Draw a diagram show...

Question: a) Draw a diagram showing the parts of an embedded system. b) Give the definition of an Embedded Computer. c) Discuss the similarities and differences between a

#title.decision table, You are to create a decision table to help you decid...

You are to create a decision table to help you decide what to do for the day. If it is a weekday and it is not a holiday, then you go to work. However, if it is a weekday and it

Modified er diagram representing cardinalities, Modified ER diagram represe...

Modified ER diagram representing cardinalities When minimum cardinality of a relationship is one, then second entity is known as mandatory participant in the relationship. Ma

Name some common software standards, Name some Software Standards Num...

Name some Software Standards Numerous terms related to software engineering are regularly standardised by organisations like IEEE (Institute of Electrical and Electronics Engi

What is evolutionary prototype, Evolutionary Prototype In this, prot...

Evolutionary Prototype In this, prototype is constructed to learn about software problems and their solutions in successive steps. Prototype is initially developed to satisf

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd