What is a stub network?

Correct Answer: - Divide the data into sections - Add the sections together using 1's complement arithmetic - Take the complement of the final sum, this is the check sum

Correct Answer: Research

Correct Answer: When the computers on the network simply listen and receive the signal, they are referred to as passive because they don?t amplify the signal in any way Example forpassive topology - linear bus

Correct Answer: An Android Intent is an abstract description of an operation to be performed It can be used with startActivity to launch an Activity, broadcastIntent to send it to any interested BroadcastReceiver components, and startService(Intent) or bindService(Intent, ServiceConnection, int) to communicate with a background ServiceThe intent itself, an Intent object, is a passive data structure holding an abstract description of an operation to be performed Android provides many ways of storing data of an application One of this way is called Shared Preferences Shared Preferences allow you to save and retrieve data in the form of key,value pair In order to use shared preferences, you have to call a method getSharedPreferences() that returns a SharedPreference instance pointing to the file that contains the values of preferences

Correct Answer: Dalvik serves as a virtual machine, and it is where every Android application runs Through Dalvik, a device is able to execute multiple virtual machines efficiently through better memory management

Correct Answer: network layer

Correct Answer: JAD (Joint Application Development) is a methodology that involves the client or end user in the design and development of an application, through a succession of collaborative workshops called JAD sessions The JAD approach, in comparison with the more traditional practice, is thought to lead to faster development times and greater client satisfaction, because the client is involved throughout the development process In comparison, in the traditional approach to systems development, the developer investigates the system requirements and develops an application, with client input consisting of a series of interviews

Correct Answer: Traceability matrix is a cross matrix for recording the requirements through each stage of the requirements gathering process This matrix should also take into account any changes in the scope during the life of the project At the end of the project this matrix should show each function built into a system, its source and the reason that any stated requirements may not have been delivered

Correct Answer: 3 1- Dynaset, 0 Table, 2 Snap Shot

Correct Answer: Htmlentities() converts all applicable characters to HTML entities While htmlspecialcharacter()converts special characters to HTML entities This means htmlentities( ) will check for non English language characters, such as French accents, the German umlaut, etc