To what extent may CORBA objects be migrated from one server to another?
What will be an ideal response?
CORBA persistent IORs contain the address of the IR used by a group of servers. That IR can locate and
activate CORBA objects within any one of those servers. Therefore, it will still be able deal with CORBA
objects that migrate from one server in the group to another. But the object adapter name is the key for the
implementation in the IR. Therefore all of the objects in one server must move together to another server. This
could be modified by allowing groups of objects within each server to have separate object adapters and to be
listed under different object adapter names in the IR.
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Answer the following statements true (T) or false (F)
1. When a text file is created in Visual Basic using a StreamWriter, the extension .txt is automatically added to the file name if no other extension is specified. 2. In the following statement, sw is the name of a variable. ``` Dim sw As IO.StreamWriter = _ IO.File.CreateText("C:\TEXT FILES\INCOME Data.txt") 3. If an existing text file is opened for output, the computer will append any new data to the end of this existing file. 4. If the value of IO.File.Exists(filespec) is True, then the specified file exists. 5. An individual item of a text file cannot be changed or deleted directly. ```
Using the class Pet from Listing 6.1, write a program to read data for five pets and display the following data: name of smallest pet, name of largest pet, name of oldest pet, name of youngest pet, average weight of the five pets, and average age of the five pets.
This project is a little more challenging if it is written to find and display all the names if more than one pet weighs the most or least, or is the oldest or youngest, which is how the solution in this manual was written.
A ____ is a collection of data stored together under a common name, usually on a disk, magnetic tape, USB drive, or CD/DVD.
a. file b. directory c. database d. file stream object
Which of the following types of virtualization runs VMs on the server and connects thin clients that use the VMs via a network?
a. HDMI b. VDI c. Type 2 d. virtual switch