Suppose a B-tree of order 5 contains the key values 20, 40, 60 and 70. What happens when we insert the key value 80?
a) All 5 key values can reside at the root node.
b) The root becomes 80.
c) The root becomes 60.
d) The root becomes 40.
c.
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Which of the following expressions will determine whether x is less than or equal to y?
a. x <= y b. x => y c. x >= y d. x =< y
Simulate an SWWSN environment where the BS is located at the center of the network and the network is in a circular shape with radius R meters. Assume a large number of wired LLs are employed where the LLs are added from the BS to a circle at distance L from the center of the network. Nodes are distributed uniformly in the network area. (a) Estimate the APLB with and without the LLs and plot the APLB variation against the number of LLs added. (b) Locate the BS at the periphery of the network and repeat (a). (c) Simulate and develop an empirical model for optimal LL length for LLs where the length may vary randomly within a range.
What will be an ideal response?
Duration method ________ returns the Duration as a long value in milliseconds.
a. milliseconds b. term c. extent d. toMillis
What keyboard shortcut allows you to select all the controls on a form at the same time?
A) Ctrl+Alt+A B) Ctrl+Shift+A C) Ctrl+A D) Alt+A