Which of the following is true concerning open-source DBMS?
Options: Is free or nearly free database software whose source code is publicly available, Is free or nearly free database software whose source code is not publicly available, Is not competitive against PC-oriented packages and is fully SQL compliant, Is competitive against PC-oriented packages and is not fully SQL compliant
Which of the following is true concerning personal computers?
Options: They decrease the demand for mainframe computers, They have been most successful in the home, The electronic spreadsheet has been a primary reason for their popularity, Their future is not so bright owning to the improved cost-performance ratio of minis and mainframes
Options: transmission of signals without modulation, a signal all of whose energy is contained within a finite frequency range, the simultaneous transmission of data to a number of stations, All of the above
When a new trunk link is configured on an IOS-based switch, which VLANs are allowed over the link?
Options: By default, all VLANs are allowed on the trunk., No VLAN's are allowed, you must configure each VLAN by hand., Only configured VLAN's are allowed on the link., Only extended VLAN's are allowed by default.
When connecting a ribbon cable to a connector, how do you know which direction to plug it in?
Options: The red line in the cable goes to the highest pin number, The colored line in the cable goes to pin #1, It does not matter, The blue or red line in the cable goes away from the power connector