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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
Write definition of ERD? Entity Relationship Diagram shows the graphical presentation of the object relationship pair. It is above all used in database applications.
Explain Horizontal partitioning 1. Explains separate branches of the. 2. Propagaton of fewer side-effects 3. Software is simpler to maintain
Explain Static analysis? Ans) (1) Analysis of a program that is performed without implementing the program. (2)The process of assessing a system or component based on its for
What is Exception? Ans) An event that causes suspension of normal program implementation. Types contain addressing exception, operation exception, data exception, overflow excep
Illustrate exploratory testing. - In exploratory testing approach testers are involved in maximum test execution and minimum planning. - Planning includes creation of a test
List the task regions in the Spiral model. Customer communication - In this region it is suggested to make customer communication. Planning - All planning activities are car
What are the challenges in software? Copying with legacy systems. Heterogeneity challenge Delivery times challenge
What does data modelling means? Data modelling is the first step in the analysis modelling. In data modelling the data objects are checked independently of processing. The data
package(''python'', ''2.6.5''). package(''python'', ''2.5.4''). package(''python'', ''1.5.2''). package(''python'', ''3.1.0''). and I already have these functions that provide me:
Define White box testing White box testing method deals with the internal logic and structure of the code. White box testing also called as glass, structural, branches, paths
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