Question: Threads are preferable over processes when

Answer Options:

The same or similar tasks are to be performed repeatedly Security is important Operating systems are booting up Tasks are to be isolated from each other

Answer: The same or similar tasks are to be performed repeatedly

 

Question: Memory is

Answer Options:

The smallest sequence of instructions an OS can manage independently Provided by end user applications 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: Virtual memory is

Answer Options:

Provided by operating systems 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 The smallest sequence of instructions an OS can manage independently

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

 

Question: The file system is

Answer Options:

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 The OS component that provides efficient access to storage devices by allowing data to be stored, located, retrieved easily The smallest sequence of instructions an OS can manage independently

Answer: The OS component that provides efficient access to storage devices by allowing data to be stored, located, retrieved easily

 

Question: Operating system security principles include all the following except

Answer Options:

Process isolation Domain separation Least privilege Dual mode operation

Answer: Dual mode operation

 

Question: The 5-V definition of big data refers to

Answer Options:

Volume, velocity, variety, veracity, value Volume, vision, variety, veracity, value Variety, veracity, value, vision, virtual Velocity, vastness, variety, veracity, value

Answer: Volume, velocity, variety, veracity, value

 

Question: Virtualization is useful because

Answer Options:

It allows multiple operating systems to run on a single hardware platform It provides a way to enhance the security of operating systems It simplifies the process of managing and updating software It reduces the need for physical hardware resources

Answer: It allows multiple operating systems to run on a single hardware platform

 

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

Answer Options:

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

Answer: Variety of operating systems running

 

Question: According to NIST, the characteristics of cloud computing include all the following except

Answer Options:

On-demand self-service Proprietary network access technologies Resource pooling Rapid elasticity

Answer: Proprietary network access technologies

 

Question: In terms of access, cloud computing may be

Answer Options:

Proprietary Private, community, public, or hybrid Elastic or inelastic IAAS, PAAS, SAAS

Answer: Private, community, public, or hybrid

 

Question: Public cloud solutions are provisioned for

Answer Options:

Exclusive use by a single organization Open use by the general public Free use by interested consumers Exclusive use by a specific community of users

Answer: Open use by the general public

 

Question: In terms of services offered, cloud services are classified as

Answer Options:

TCP, IP, HTTP SaaS, PaaS, IaaS Public, Private, Hybrid Proprietary, Open Source, Hybrid

Answer: SaaS, PaaS, IaaS

 

Question: Agile development is a group of programming-centric methodologies that focus on:

Answer Options:

Making assignments for a project Creating a schedule Creating the system proposal Streamlining the SDLC

Answer: Streamlining the SDLC

 

Question: Bob is selecting a systems analysis and design methodology. What might be the first step?

Answer Options:

Selecting the shortest methodology Researching the organizations standards and policies for ‘approved’ methodologies Interviewing senior management as to their suggestions on methodologies Do a quick ‘cost/benefit’ analysis on which methodology will provide the most benefits at the lowest cost Do an analysis on which methodology might lessen or eliminate scope creep

Answer: Researching the organizations standards and policies for ‘approved’ methodologies

 

Question: Extreme programming emphasizes:

Answer Options:

Customer satisfaction Teamwork Communication as a core value Simplicity as a core value All of these

Answer: All of these

 

Question: Interpersonal skills for a project manager might be important when:

Answer Options:

Making assignments for a project Creating a cost/benefit spreadsheet Creating the system proposal Working with a highly controversial project that may have political implications Using the V-model variation of the Waterfall Methodology

Answer: Working with a highly controversial project that may have political implications

 

Question: Parallel methodology is BEST characterized as:

Answer Options:

A ‘Quick and Dirty’ system
A series of versions
A method for exploring design alternatives
A method for stressing customer satisfaction More explicit testing

Answer: A series of versions