A network administrator is connecting hosts A and B directly through their Ethernet interfaces, as shown in the illustration. Ping attempts between the hosts are unsuccessful. What can be done to provide connectivity between the hosts?
A crossover cable should be used in place of the straight-through cable. A rollover cable should be used in place of the straight-through cable. The subnet masks should be set to 255.255.255.192. A default gateway needs to be set on each host. The subnet masks should be set to 255.255.255.0.
Options: 1 only, 2 only, 3 and 4 only, 1 and 5 only
Options: create very different, personalized views of the same data, present information in different formats, hide sensitive information by omitting fields from the subÂ¬schema's description, All of the above
Data transformation includes which of the following?
Options: A process to change data from a detailed level to a summary level, A process to change data from a summary level to a detailed level, Joining data from one source into various sources of data, Separating data from one source into various sources of data
A supertype/subtype hierarchy has which of the following features?
Options: Subtypes at the lower lever in the hierarchy inherit attributes only from their immediate supertype., Attributes are assigned at the highest logical level., Subtypes at the higher lever in the hierarchy inherit attributes only from their immediate subtype., Attributes are assigned at the lowest logical level.