Options: means storing records in contiguous blocks according to a key., Stores records sequentially but uses an index to locate records, uses an index for each key type, has records placed randomly throughout the file
A subtype discriminator is which of the following?
Options: An attribute of the supertype whose values determine the subtype, An attribute of the subtype whose values determine the supertype, An attribute of the supertype whose values determine the supertype, An attribute of the subtype whose values determine the subtype
Which one of the following statements is true for the voltage in a parallel RC circuit?
Options: The voltage always has the same amplitude and phase for every part of the circuit, The total voltage is equal to the sum of the voltages across the resistance and capacitance, The total voltage leads the total current by less than 90 degree, The total voltage is less than the sum of the voltages across the resistance and capacitance
You are troubleshooting a connectivity problem in your corporate network and want to isolate the problem. You suspect that a router on the route to an unreachable network is at fault. What IOS user exec command should you issue?
Options: Router> ping, Router> trace, Router> show ip route, Router> show interface
. If the cell B1 contains the formula = $A$1, which of the following statements is true
Options: a. There is a relative reference to cell A1
b. There is an absolute reference to cell A1
c. Further changes in value of A1 will not affect the value of B1
d. Further changes in value of B1 will affect the value of A1