What does a managed switch allow a network administrator to do? (Select all that apply.)
a. Monitor network features.
b. Configure network features.
c. Manage certain network features.
d. All of these answers are correct.
e. None of these answers is correct.
d. All of these answers are correct.
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Conversion constructors:
a. Can have multiple arguments. b. Can convert between user-defined types. c. Are implicitly defined by the compiler if not explicitly written by the programmer. d. Cannot convert built-in types to user defined types.
What are the two ingredients for dynamic programming?
a. Optimal substructure and overlapping subproblems b. Optimal substructure and recursion c. Overlapping sub-problems and recursion d. Memoization and recursion
Suppose each of the following Update operations is applied directly to the database of Figure 3.6. Discuss all integrity constraints violated by each operation, if any, and the different ways of enforcing these constraints:
(a) Insert < 'Robert', 'F', 'Scott', '943775543', '21-JUN-42', '2365 Newcastle Rd, Bellaire, TX', M, 58000, '888665555', 1 > into EMPLOYEE. (b) Insert < 'ProductA', 4, 'Bellaire', 2 > into PROJECT. (c) Insert < 'Production', 4, '943775543', '01-OCT-88' > into DEPARTMENT. (d) Insert < '677678989', null, '40.0' > into WORKS_ON. (e) Insert < '453453453', 'John', M, '12-DEC-60', 'SPOUSE' > into DEPENDENT. (f) Delete the WORKS_ON tuples with ESSN= '333445555'. (g) Delete the EMPLOYEE tuple with SSN= '987654321'. (h) Delete the PROJECT tuple with PNAME= 'ProductX'. (i) Modify the MGRSSN and MGRSTARTDATE of the DEPARTMENT tuple with DNUMBER=5 to '123456789' and '01-OCT-88', respectively. (j) Modify the SUPERSSN attribute of the EMPLOYEE tuple with SSN= '999887777' to '943775543'. (k) Modify the HOURS attribute of the WORKS_ON tuple with ESSN= '999887777' and PNO= 10 to '5.0'.
Use ________ if you have mostly numeric data and may require complex charts and graphs
Fill in the blank(s) with correct word