Anadministratorhasprovideda24bitnetmask.Whichofthefollowingoptionsindicatesthenumberofhostaddressesthatareavailableinanetwork?()
A. 24
B. 126
C. 128
D. 254
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Which of the following DB2 data types has a fixed length?()
A. XML
BLOB
C. DOUBLE
DBCLOB
Whenchoosingahostname,othermachineswillassociatethenamewith()。
A. theIPaddress
B. theMACaddress
C. inetd
D. port80