Question: Integrity is defined as

Answer Options:

Guarding against improper modification of information to ensure authenticity
Maintaining restrictions on information to protect personal privacy
Ensuring timely and reliable use of information
None of the above

Answer: Guarding against improper modification of information to ensure authenticity

 

Question: Virtual memory is

Answer Options:

The smallest sequence of instructions an OS can manage independently
Storehouse of computer data that can be accessed directly by the CPU and I/O devices
A technique to take up space on the hard drive and use it as an extension of the main memory
Provided by operating systems

Answer: A technique to take up space on the hard drive and use it as an extension of the main memory

 

Question: Threads of a process share all of the following except

Answer Options:

Code
Global variables
Open files
Register values

Answer: Register values

 

Question: A process state is

Answer Options:

The present condition of the process
The sequence of operations that allow a computer to perform its tasks
The smallest sequence of instructions an OS can manage independently
The invocation of an operating system function by a user program

Answer: The present condition of the process

 

Question: Modern computers distinguish between operating system code and end user code by

Answer Options:

Looking at the process id
Setting the mode bit
Invoking the right API
Displaying the user account control window

Answer: Setting the mode bit

 

Question: The von Neumann report identified the parts of a computer as:

Answer Options:

Central arithmetic part, Central control part, Virtual Memory, Input, Output
Central arithmetic part, Central control part, Memory, Input, Output
Central control part, Processes, Memory, Input, Output
Central arithmetic part, Processes, Memory, Input, Output

Answer: Central arithmetic part, Central control part, Memory, Input, Output

 

Question: System calls can be invoked by

Answer Options:

The operating system only
The operating system and end user applications
End users directly
None of the above

Answer: The operating system and end user applications

 

Question: Memory is

Answer Options:

The smallest sequence of instructions an OS can manage independently
Storehouse of computer data that can be accessed directly by the CPU and I/O devices
Provided by operating systems

Answer: Storehouse of computer data that can be accessed directly by the CPU and I/O devices

 

Question: Operating system security principles include all the following except

Answer Options:

Dual mode operation
Process isolation
Domain separation
Least privilege

Answer: Domain separation

 

Question: The performance of warehouse scale computers is assessed in terms of all the following metrics except

Answer Options:

Performance for given energy consumption
Reliability
Performance for given financial investment
Variety of operating systems running

Answer: Variety of operating systems running

 

Question: The von Neumann report is important to the IT industry because it defined

Answer Options:

The components of a modern computer
The components of modern communication networks
Rules for human-computer interaction
All of the above

Answer: The components of a modern computer

 

Question: Automated infrastructure is

Answer Options:

Configuring the IT infrastructure using interactive tools
Automating the deployment of applications
Configuring the IT infrastructure using definition files
Developing respect for IT leadership

Answer: Configuring the IT infrastructure using definition files

 

Question: In DevOps, a container is

Answer Options:

An isolated user space on a computer
A folder to save automated infrastructure scripts
A set of scripts to automate infrastructure
A copy of the operating system

Answer: An isolated user space on a computer

 

Question: Version control is

Answer Options:

Configuring the IT infrastructure using definition files
Isolating a user space on a computer
Developing versions of information to present to organizational leadership
Managing changes to information

Answer: Managing changes to information

 

Question: For long-term application performance, developers who focus on rapid deployment of new features should also care about

Answer Options:

The end user interface of their applications
The reliability of their applications
The popularity of the technology stack used to build the applications
Maintaining technology certifications

Answer: The reliability of their applications

 

Question: Compared to virtual machines, containers

Answer Options:

Take more space because more copies of the operating system are created
Take much less space since copies of the operating system are not created
Are more difficult to automate
Are less efficient in computer resource utilization

Answer: Take much less space since copies of the operating system are not created

 

Question: An advantage of containerization is that

Answer Options:

Applications can be easily packaged for deployment on any compatible server
It helps deploying multiple versions of the same application
It improves reporting to organization leadership
It helps distribute applications to end users using media such as DVDs

Answer: Applications can be easily packaged for deployment on any compatible server