The essence of(74) is the invention of a hierarchical, domain-based naming scheme. It is primarily used for mapping host names and e-mail destinations to IP addresses.A．DNSB．NNTPC．CDPD．FTP
The essence of(74) is the invention of a hierarchical, domain-based naming scheme. It is primarily used for mapping host names and e-mail destinations to IP addresses.
A．DNS
B．NNTP
C．CDP
D．FTP
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Advantages of the functional (hierarchical) form. of organization include _____ and creation of technical competence.A . Ease of horizontal coordinationB . Clearly defined authorityC . High information processing capabilityD . Single voice to customers
38 Advantages of the functional (hierarchical) form. of organization include _____ and creation of technical competence.A. Ease of horizontal coordinationB. Clearly defined authorityC. High information processing capabilityD. Single voice to customers
120 Advantages of the functional (hierarchical) form. of organization include _____ and creation of technical competence.A. Ease of horizontal coordinationB. Clearly defined authorityC. High information processing capabilityD. Single voice to customer
难溶化合物Mg2P2O7其溶度积表示应写成()。 A.[Mg2+]2[P2O74-]B.Ksp=[Mg2+]2[P2O74-]C.KspMg2P2O7=[Mg2+]2[P2O74-]D.QspMgP2O7=[Mg2+]2[P2O74-]
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练习册P73和P74页题目