McNemarâs Test is a matched pair test used to determine whether there is a significant change in nominal data before and after an event. We begin with an example. Example 1: In the BBC program The Doha Debates 100 people were surveyed regarding their opinion about capital punishment. 30 were in favor and 70 against.
Name server A name server is a computer server that hosts a network service for providing responses to queries against a directory service. It maps a human-recognizable identifier to a system-internal, often numeric identification or addressing component.
in whatis. Resolving name servers are very useful for dialup, cable modem, ADSL, DSL, VPN and similar users. A resolving name servers is provided by your ISP (internet service provider) or your organizations network admin or third party resolving name servers. Resolving name servers directly finds out information about the root servers, top level domains and authoritative name servers. It also speed up queries by caching results locallly as configured by hostmater in their domainsâ TTL field. Name servers in delegations appear listed by name, rather than by IP address. A resolving name server must issue another DNS request to find out the IP address of the server to which it has been referred. Since this can introduce a circular dependency if the nameserver referred to is under the domain that it is authoritative of, it is occasionally necessary for the nameserver providing the delegation to also provide the IP address of the next nameserver. This record is called a glue record.