New Update
What is the standard language in CORBA that is used for defining the interface between
distributed objects? - Answer-IDL
If you write a program to search a UDDI service broker, what UDDI pages do you
search? - Answer-Green Pages
What statements best describe the architecture-driven approach? - Answer-
1. elaborating the architecture design into executable
2. top-down approach
What is the efficiency of a multi-core computer? - Answer-Speedup / NumberOfCores
Intel's HyperThreading design duplicates - Answer-control unit in the processor.
What problems occurred in the first two attempts when scaling up the number of threads
in the Collatz conjecture case study? - Answer-1. The thread execution times were
different, which reduced the benefit of parallel computing.
2. The impact of the data structures dominated the performance.
The key ideas of Intel's Threading Building Blocks (TBB) library are to convert - Answer-
1. synchronous calls into asynchronous calls.
2. nested method calls into flat method calls.
What law you should use in evaluating the system performance improvement if you
have doubled the processor speed, but kept the other parts of the system unchanged? -
Answer-Amdahl's Law
What is true about a deployed service with the JustInTime compilation? - Answer-1. It is
slower than pre-compiled code for the first request.
2. The source code of the service can be redeployed while the service is being
accessed.
The binding template in UDDI - Answer-links a businessService in UDDI to an
implementation of the service.
The "businessEntity" data structure in UDDI contains information about - Answer-the
service provider, and it is called the White Pages of the UDDI.
, What is the main function of the IIS worker process? - Answer-Executing Web services
and Web applications as its threads.
What is the main function of the Web Administration Service (WAS) in IIS? - Answer-
Register Web services and Web applications into the registry.
What kinds of remotable objects exist in .Net environment? - Answer-1. Marshal-by-
reference objects.
2. Marshal-by-value objects.
The key function of AJAX programming is to allow - Answer-partial data refreshing and
making the Web page more responsive.
Java Remote Method Invocation (RMI) is used to create distributed applications using -
Answer-Marshal-by-reference
What are the key differences between a Remote Procedure Call (PRC) and a Web
Service Invocation (WSI)? - Answer-1. PRC is platform-dependent; WSI is platform-
independent.
2. PRC is tightly couples; WSI is loosely coupled.
Which of the following components in a Java SOC development environment is
responsible for hosting the execution of a Web service? - Answer-Tomcat
Two threads try to acquire the same resource at the same time and both are blocked.
Then, they continually change their states in the same way and are continuously
blocked. This condition is called - Answer-livelock.
What type of values does the Unix system call fork( ) return? - Answer-int
A deadlock can occur in a multithreading program, if - Answer-there exist two threads
that require to lock two objects.
How is the monitor mechanism implemented in C#? - Answer-A SyncBlock index is
stored in everey object, and the index is used to access the corresponding entry of the
SyncBlock table.
Given a piece of code:
int x =2;
Monitor.Enter(x);
try {x = x+1;}
finally {Monitor.Exit(x);}