A.2.(a) The elementary list of the calls used in socket programming for system calls and data transfer calls. (a) List and describe all elementary socket systems calls andĭata transfer calls. Q.1.(d)Suppose the class B network uses 20 out of 32 bits to defineĪ network address. For example, in the diagram, and are subdomains. Thus all domains areĪ ``subdomain'' or ``child domain'' is a domain The and domains share the com portion of their domain name because '' is usually vital when configuring DNS data.ĭomain name space. Usually this doesn't affect looking up IP addresses, Is usually written as `` '', that is, without the The rootĭomain is usually omitted from domain names. Place here if lower-level servers do not have the requested data. Final attempts to resolve names to IP addresses take Is organized as an inverted tree radiating from a single root, much like a UNIX ![]() This hierarchy, referred to as the ``domain name space'', Client/server architecture to maintain and distribute host names and IPĪddresses on networks ranging from small local area networks to the entire
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