WorksheetsComputer system RK1
Total questions: 80
Worksheet time: 40mins
What is the primary focus of processor (CPU) management?
Managing network connections
Process scheduling and efficient CPU utilization
File encryption
Computer power management
Which of the following is NOT a typical task of a system administrator?
Upgrading computer components
Designing advertising campaigns
Troubleshooting issues
Maintaining security policies
What is the main goal of process scheduling in a CPU?
To minimize hardware cost
To maximize CPU utilization and throughput
To increase the number of mice at the workstation
To simplify the user interface
What is a thread?
A type of network protocol
The smallest unit of CPU execution
Another name for a hard drive
A backup program
Which of these tasks falls under file system management?
Planning employee vacations
Configuring routers
Assigning file access permissions
Developing mobile applications
Which scheduling algorithm uses the "first come, first served" concept?
Round Robin (RR)
Shortest Job First (SJF)
Priority Scheduling
First-Come, First-Served (FCFS)
What is a "critical section" in the context of synchronization?
A section of code where access to shared resources is not required
A segment of code where shared resources are accessed
A type of computer virus
A backup method
Which type of threads is managed directly by the operating system?
User-level Threads
Hardware Threads
Hybrid Threads
Kernel-level Threads
Which of the following is a benefit of multithreading?
Increased program complexity
Worsened application responsiveness
Higher memory usage
Simplified program structure for concurrent tasks
What is "context switching"?
Switching the keyboard language
Switching the CPU from one process/thread to another
Changing the desktop theme
Updating network settings
What is Cloud Computing?
On-demand access to resources over the Internet
A local file storage system
Offline computing method
Only a database management system
The main goal of Cloud System Management is:
Monitoring, optimizing, and automating cloud resources
Only updating applications
Adding virtual machines
Turning off servers
Which of the following is an example of IaaS?
Gmail
AWS EC2
Google App Engine
Microsoft 365
What does PaaS provide?
Ready-to-use software
Security services only
Cloud storage only
Environment for app development and deployment
The key feature of SaaS is:
User manages only the server
User controls all infrastructure
User manages only app settings and data
Software must be installed locally
What is a Public Cloud?
Cloud dedicated to one organization
Education-only platform
Local data center
Shared infrastructure for multiple users
Which statement best describes a Private Cloud?
Dedicated infrastructure for one organization
Shared by everyone
A social network
A personal computer
Which of the following is a Cloud Management Tool?
VS Code
Zoom
AWS CloudWatch
GitHub
One of the key benefits of Cloud Management is:
Automated scaling and monitoring
Manual control
User restriction
Increasing server count
One of the main challenges in Cloud Management is:
Internet speed
Security and privacy risks
Printing documents
Server temperature
What is the main purpose of monitoring tools?
To install new software
To configure network printers
To delete unused files
To observe and control system performance
Which built-in tool in Windows shows running processes and CPU usage?
VMware Workstation
Hyper-V Manager
Task Manager
Event Viewer
What is the main function of Event Viewer?
To log system and security events
To display disk temperature
To clean temporary files
To update device drivers
Which monitoring system is open-source and enterprise-level?
SolarWinds
Zabbix
PRTG
Windows Reliability Monitor
What is virtualization?
The process of creating a virtual version of physical resources
The process of deleting temporary files
Installing antivirus software
Increasing RAM size
What does a hypervisor do?
Manages users
Detects malware
Manages virtual machines and allocates hardware
Encrypts data
Which type of hypervisor runs directly on hardware?
Software virtualization
Type 2
Paravirtualization
Type 1
Which of the following is a Type 2 hypervisor?
VMware ESXi
Oracle VirtualBox
Microsoft Hyper-V Server
KVM
What is one main advantage of virtualization?
Efficient use of resources and flexibility
More energy consumption
More physical servers needed
Less isolation between systems
What tool shows system stability over time in Windows?
Task Manager
Resource Monitor
Reliability Monitor
Device Manager
What does the term “Environia” mean?
Nature
Protect
Surround
Preserve
Develop
Which of the following is a positive environmental impact of IT?
Growth of e-waste
Dematerialization
Resource contamination
Mining of lithium
Increased paper use
What is meant by Green Computing?
Designing energy-efficient systems
Using green-colored screens
Producing plastic computers
Increasing CPU frequency
Recycling data storage devices
Which of the following is a negative environmental effect of IT?
Virtualization
Dematerialization
Energy efficiency
Electronic waste
Remote collaboration
According to Douglas and Holland, the environment is:
The aggregate of all external forces affecting living organisms
Only the biotic environment
Only climatic conditions
Exclusively the physical environment
Only man-made surroundings
What does the CPU do?
Stores data
Manages input/output devices
Transfers data through the network
Executes instructions and processes data
Controls power supply
Which type of memory is temporary and erased when power is off?
ROM
RAM
SSD
HDD
Flash drive
What is the role of a driver?
Provides user interface
Controls network bandwidth
Connects the operating system to hardware devices
Manages power supply
Stores device logs
Which of the following is a software service?
Web service
File system
Virtual machine
Monitor driver
Application cache
Which of the following is a future trend in IT infrastructure?
Local terminals
Paper-based databases
Mechanical storage
Quantum computing
Manual data management
Which of the following are Cloud Service Models? (Choose 2)
SaaS
IaaS
VPN
Firewall
Database
The main goals of Cloud System Management include: (Choose 2)
Security
Performance optimization
Manual data entry
File printing
Audio recording
Advantages of PaaS include: Select (Choose 2)
Automatic scaling
Faster development
Manual configuration
Hardware setup required
Hardware setup required
Functions of Cloud Management Tools: (Choose 2)
Monitoring
Security management
File compression
Photo editing
Gaming
Challenges of Cloud System Management: (Choose 2)
Vendor lock-in
Multi-cloud complexity
Free storage
Power supply
Simple security
Which are examples of built-in Windows monitoring tools? (Choose 2)
Task Manager
Resource Monitor
Zabbix
Event Viewer
SolarWinds
Which tools are used for network and server monitoring? (Choose 2)
Nagios
PRTG Network Monitor
Task Manager
Icinga
Performance Monitor
Which statements describe hardware virtualization? (Choose 2)
Guest OS communicates with the hypervisor
Hypervisor divides resources into multiple virtual machines
Requires no physical devices
Allows multiple OS on one hardware
Runs on top of another OS
Which are examples of Type 1 hypervisors? (Choose 2)
VMware ESXi
Microsoft Hyper-V
KVM
VMware Workstation
VirtualBox
Which are advantages of virtualization? (Choose 2)
Scalability and flexibility
Easy testing and deployment
Resource isolation
Higher cost and power usage
Slower performance
Which technologies are used for environmental monitoring? (Choose 2)
Remote Sensing
GIS
3D Printing
Blockchain Analytics
Virtual Reality Sensors
Which initiatives are mentioned as sustainable IT case studies? (Choose 2)
Fairphone Project
UN E-Waste Coalition
Amazon Smart Energy Program
Amazon Smart Energy Program
Facebook Green Cloud
Which areas are part of sustainable IT strategies? (Choose 2)
Renewable energy
Digital responsibility
Data compression
Mass production of new devices
Circular economy
Which components belong to the hardware system?(Choose 2)
Processor
Memory
Graphics card
Operating system
Solid-state drive (SSD)
What does corporate IT infrastructure provide?(Choose 2)
Secure data transmission
Remote access
Offline operation without networks
Physical server management
Employee training
Which TWO aspects are main roles in file system management? (Choose 2)
Data Organization
Access Control
Game Development
Market Analysis
Backup and Recovery
Which TWO goals are primary for CPU scheduling? (Choose 2)
Maximize throughput
Ensure fairness
Minimize CPU utilization
Maximize response time
Increase power consumption
Which TWO mechanisms are used for thread and process synchronization? (Choose 2)
Mutexes
Semaphores
Routers
Mice
Browsers
Which TWO challenges can process and thread management face? (Choose 2)
Priority inversion
Deadlock
Code simplification
Starvation
Automatic updating
Which TWO of the listed tasks relate to storage management? (Choose 2)
Monitoring disk space usage
Implementing quotas to limit user disk space
Configuring a CPU cooler
Managing virtual memory
Creating presentations
Main characteristics of Cloud Computing: (Choose 3)
On-demand service
Resource pooling
Broad network access
Slow performance
Manual updates
Cloud Deployment Models include:(Choose 3)
Public Cloud
Internal Network
Private Cloud
Hybrid Cloud
Hybrid Cloud
Advantages of IaaS include:(Choose 3)
High scalability
Cost efficiency
Full control
Manual installation required
Local-only storage
SaaS advantages include:(Choose 3)
Automatic updates
Easy access
Access via web browser
Local-only storage
Hardware-based usage
Future trends in Cloud Management include:(Choose 3)
AI-driven automation
Edge computing integration
Serverless computing
Hardware-only control
Reduced scalability
Which of the following are third-party monitoring systems?(Choose 3)
Zabbix
Prometheus
SolarWinds
Task Manager
Performance Monitor
What are benefits of monitoring and diagnostics?(Choose 3)
Improves system reliability
Helps with optimization and capacity planning
Early detection of performance problems
Helps create backups
Prevents overheating
Which statements are true about virtualization usage?(Choose 3)
Supports cloud services (IaaS, PaaS, SaaS)
Increases physical hardware usage
Enables isolated testing environments
Improves security
Simplifies environment management
What are the main types of virtualization?(Choose 3)
Hardware
Software
Network
Cloud
Paravirtualization
Which tools can visualize monitoring data?(Choose 3)
Grafana
Prometheus
SolarWinds
Performance Monitor
Task Scheduler
Which are positive environmental impacts of IT?(Choose 3)
Smart systems
Energy-efficient systems
Reduction in travel emissions
Climate monitoring
High resource extraction
Which factors contribute to the negative impact of technology on nature?(Choose 3)
Burning fossil fuels
Deforestation from mining
Growth of transport technologies
Cryptocurrency data centers
Increase in rare metal extraction
Which actions support the concept of Green IT in organizations?(Choose 3)
Designing modular, repairable devices
Promoting digital responsibility among employees
Using renewable energy for data centers
Encouraging frequent device upgrades
Virtualization and server consolidation
Which technologies contribute to building efficient and modern IT systems?(Choose 3)
Cloud computing
Quantum computing
Blockchain integration
Artificial intelligence
Automated network orchestration
Which features characterize modern IT infrastructure design principles?(Choose 3)
Scalability
Security
Automation
Flexibility
Energy efficiency
Which THREE of the listed items are typical tasks in file system management? (Choose 3)
File and directory operations (create, delete)
Assigning ownership and permissions
Monitoring disk space
Encrypting sensitive files
Backup and restore
Which THREE algorithms are process scheduling policies? (Choose 3)
First-Come, First-Served (FCFS)
Shortest Job First (SJF)
Round Robin (RR)
Priority Scheduling
Random Access
Which THREE characteristics describe a thread? (Choose 3)
The smallest unit of execution managed by the CPU scheduler
Shares code, data, and resources within its process
A process can contain multiple threads
Has its own independent memory address space
Also known as a "virtual machine"
Which THREE of the following are part of a thread's lifecycle? (Choose 3)
New
Ready
Running
Blocked
Terminated
Which THREE responsibilities are typically part of a system administrator's role? (Choose 3)
Installing and configuring servers
Ensuring network security
Managing users and access
Creating and maintaining technical documentation
Technical support and troubleshooting
