Computer Science Exit Exam Material

Data Communication and Computer Networking Q. 1 Which layer of the OSI model deals with end-to-end communication and reliability?   a) Network   b) Transport   c) Data Link   d) Session     Answer: b) Transport    Q. 2 Which device operates primarily at the Data Link layer of the OSI model?   a) Router   b) Bridge   c) Hub   d) Repeater     Answer: b) Bridge    Q. 3 In which topology is each computer connected to every other computer?   a) Star   b) Mesh   c) Bus   d) Ring     Answer: b) Mesh    Q. 4 What is the primary function of a router in a network?   a) Broadcast data   b) Repeat signals   c) Connect different network segments   d) Filter traffic based on MAC addresses     Answer: c) Connect different network segments    Q. 5 Which protocol operates at the Transport layer and offers connection-oriented communication?   a) IP   b) UDP   c) TCP   d) ICMP     Answer: c) TCP    Q. 6 What is the maximum length of an Ethernet cable (Cat 5e or Cat 6) in a standard setup?   a) 50 meters   b) 100 meters   c) 200 meters   d) 500 meters     Answer: b) 100 meters    Q. 7 Which of the following IP classes is reserved for multicast?   a) Class A   b) Class B   c) Class C   d) Class D     Answer: d) Class D    Q. 8 Which of the following protocols resolves domain names to IP addresses?   a) DHCP   b) FTP   c) DNS   d) SNMP     Answer: c) DNS    Q. 9 Which network device connects multiple devices within a Local Area Network (LAN) and forwards data to its destination based on MAC address?   a) Router   b) Switch   c) Hub   d) Modem     Answer: b) Switch    Q. 10 Which protocol is used to automatically assign IP addresses to devices in a network?   a) DNS   b) DHCP   c) FTP   d) SNMP     Answer: b) DHCP

Computer Security Q. 1 What is the primary goal of computer security?   a) Data availability   b) Data confidentiality   c) Data integrity   d) All of the above     Answer: d) All of the above    Q. 2 Which term describes the process of converting plaintext into unreadable gibberish to protect data?   a) Encryption   b) Decryption   c) Hashing   d) Compression     Answer: a) Encryption    Q. 3 Which type of attack involves an attacker attempting every possible combination to guess a password?   a) Brute force attack   b) Phishing attack   c) DDoS attack   d) Trojan horse attack     Answer: a) Brute force attack    Q. 4 What is the purpose of a firewall in computer security?   a) To encrypt data   b) To monitor network traffic   c) To authenticate users   d) To filter and control network traffic     Answer: d) To filter and control network traffic    Q. 5 What is the main goal of intrusion detection systems (IDS)?   a) To prevent attacks   b) To detect and respond to attacks   c) To encrypt data   d) To authenticate users     Answer: b) To detect and respond to attacks    Q. 6 Which authentication factor is something the user knows?   a) Something the user has   b) Something the user is   c) Something the user knows   d) Something the user does     Answer: c) Something the user knows    Q. 7 What is the term for a malicious software that disguises itself as legitimate software?   a) Firewall   b) Worm   c) Trojan horse   d) Phishing     Answer: c) Trojan horse    Q. 8 Which of the following is NOT a type of malware?   a) Virus   b) Spyware   c) Authentication   d) Ransomware     Answer: c) Authentication    Q. 9 What does the CIA triad represent in computer security?   a) Central Intelligence Agency’s role in cybersecurity   b) Confidentiality, Integrity, Availability   c) Cybersecurity Intelligence Analysis   d) Computer Intrusion Assessment     Answer: b) Confidentiality, Integrity, Availability    Q. 10 What is the purpose of a VPN (Virtual Private Network)?   a) To block all incoming network traffic   b) To create a secure, encrypted connection over a public network   c) To protect against phishing attacks   d) To monitor network traffic     Answer: b) To create a secure, encrypted connection over a public network

Network and System Administration Q. 1 What is the primary goal of system and network administration?   a) Maximizing system performance   b) Minimizing system downtime   c) Minimizing system cost   d) Maximizing system complexity     Answer: b    Q. 2 What is the primary responsibility of a system administrator?   a) Writing code for applications   b) Managing hardware and software resources   c) Designing network architectures   d) Conducting security audits     Answer: b    Q. 3 Which of the following best describes the role of a network administrator?   a) Maintaining server hardware   b) Managing user accounts   c) Developing software applications   d) Designing user interfaces     Answer: b    Q. 4 What is the key principle of the least privilege in system administration?   a) Granting users the maximum possible access   b) Limiting user access to the bare minimum necessary   c) Granting all users equal privileges   d) Ignoring access control altogether     Answer: b    Q. 5 Which of the following is an important consideration when designing a network?   a) Increasing network complexity   b) Minimizing redundancy   c) Maximizing latency   d) Ensuring scalability     Answer: d    Q. 6 Which role in system administration focuses on ensuring data backups are regularly performed?   a) Network Administrator   b) Security Administrator   c) Backup Administrator   d) Database Administrator     Answer: c    Q. 7 What is the primary responsibility of a Security Administrator?   a) Managing user accounts   b) Installing software updates   c) Ensuring system security and integrity   d) Monitoring network performance     Answer: c    Q. 8 Which of the following is not a core concept of system administration?   a) Scalability   b) Redundancy   c) Complexity   d) Security     Answer: c    Q. 9 In the context of network administration, what is the purpose of a firewall?   a) Enhancing network speed   b) Monitoring user activity   c) Controlling network access and traffic   d) Managing hardware resources     Answer: c    Q. 10 What is the term for a predefined and documented configuration that automates the setup of a system or application?   a) Script   b) Manifest   c) Playbook   d) Template     Answer: d

Introduction to Artificial Intelligence Q. 1 What does AI stand for?   a. Advanced Interface   b. Automated Intelligence   c. Artificial Intelligence   d. Artificial Integration     Answer: c    Q. 2 Which of the following is a type of reasoning used in AI?   a. Parallel reasoning   b. Deductive reasoning   c. Linear reasoning   d. Circular reasoning     Answer: b    Q. 3 In AI, what does “knowledge representation” primarily deal with?   a. Storage of information   b. Processing speed   c. Encoding and structuring information   d. Output display techniques     Answer: c    Q. 4 Which learning technique allows AI to learn from its mistakes?   a. Supervised learning   b. Reinforcement learning   c. Regression learning   d. Inductive learning     Answer: b    Q. 5 Which of the following is NOT a knowledge representation technique?   a. Neural networks   b. Semantic networks   c. Relational databases   d. Quantum processing     Answer: d    Q. 6 What does a decision tree help to represent in AI?   a. Choices and their possible consequences   b. Database structures   c. Algorithm logic   d. Network topology     Answer: a    Q. 7 In which type of reasoning do you start with a general principle and deduce specific instances?   a. Inductive reasoning   b. Deductive reasoning   c. Abductive reasoning   d. Analogical reasoning     Answer: b    Q. 8 What does the term ‘ontology’ in AI usually refer to?   a. A study of existence   b. A type of neural network   c. A specification of concept types, properties, and interrelationships   d. A machine’s self-awareness     Answer: c    Q. 9 Which learning technique uses labeled data to train models?   a. Unsupervised learning   b. Transfer learning   c. Supervised learning   d. Reinforcement learning     Answer: c    Q. 10 Rule-based systems in AI primarily use which type of reasoning?   a. Deductive   b. Inductive   c. Abductive   d. Transductive     Answer: a Note: To cover the entire blueprint 100%, join the Advanced Course to access 300 Premium Questions on this subject. Previous Complete

Operating System Q. 1 What is the primary objective of a modern operating system?   a) Running applications efficiently   b) Managing hardware resources   c) Providing a user-friendly interface   d) Enhancing software security     Answer: b) Managing hardware resources    Q. 2 Which function of an operating system involves creating and managing processes?   a) File management   b) Memory management   c) Process management   d) Device management     Answer: c) Process management    Q. 3 What is the primary purpose of memory management in an operating system?   a) To optimize CPU performance   b) To ensure data security   c) To manage storage devices   d) To efficiently use and allocate memory     Answer: d) To efficiently use and allocate memory    Q. 4 Which of the following is not an objective of modern operating systems?   a) Enhancing hardware compatibility   b) Providing a user-friendly interface   c) Maximizing software development efficiency   d) Minimizing hardware resource utilization     Answer: d) Minimizing hardware resource utilization    Q. 5 Which operating system function is responsible for controlling input and output devices?   a) Process management   b) File management   c) Device management   d) Memory management     Answer: c) Device management    Q. 6 What role does a scheduler play in an operating system?   a) Allocating memory to processes   b) Managing input and output devices   c) Deciding which process to run next   d) Controlling file access permissions     Answer: c) Deciding which process to run next    Q. 7 Which component of an operating system is responsible for managing files and directories?   a) CPU Scheduler   b) Device Driver   c) File System   d) Process Table     Answer: c) File System    Q. 8 What is the primary goal of a file system in an operating system?   a) To organize and store data efficiently   b) To manage CPU resources   c) To control user access to applications   d) To allocate memory for processes     Answer: a) To organize and store data efficiently    Q. 9 Which function of an operating system involves providing security mechanisms to protect data and resources?   a) File management   b) Process management   c) Security management   d) Memory management     Answer: c) Security management    Q. 10 What is the purpose of a device driver in an operating system?   a) To manage file systems   b) To control hardware devices   c) To allocate memory   d) To schedule processes     Answer: b) To control hardware devices

Computer Organization and Architecture Q. 1 Which component is responsible for executing instructions in a computer system?   a) Hard Disk   b) RAM   c) CPU   d) GPU     Answer: c) CPU    Q. 2 What does the acronym RAM stand for?   a) Random Algorithm Memory   b) Read Access Memory   c) Random Access Memory   d) Read Allocated Memory     Answer: c) Random Access Memory    Q. 3 Which storage device is considered non-volatile?   a) RAM   b) Cache   c) SSD   d) Register     Answer: c) SSD    Q. 4 What is the main function of the ALU?   a) Memory management   b) I/O management   c) Performing arithmetic and logical operations   d) Controlling all other computer components     Answer: c) Performing arithmetic and logical operations    Q. 5 Which of the following is an example of secondary storage?   a) Register   b) RAM   c) Cache   d) Hard Disk     Answer: d) Hard Disk    Q. 6 Which type of memory is closest to the CPU and has the fastest access time?   a) RAM   b) ROM   c) Cache   d) Hard Disk     Answer: c) Cache    Q. 7 The BIOS is typically stored in which type of memory?   a) RAM   b) SSD   c) ROM   d) Cache     Answer: c) ROM    Q. 8 Which of the following is not an input device?   a) Keyboard   b) Mouse   c) Monitor   d) Joystick     Answer: c) Monitor    Q. 9 The number of bits processed in a single instruction is known as the computer’s…   a) Byte rate   b) Speed   c) Word length   d) Cache size     Answer: c) Word length    Q. 10 Which part of the computer temporarily stores the currently executing program?   a) Cache   b) ROM   c) RAM   d) Hard Disk     Answer: c) RAM

Computer organization

Automata

Sample question of compiler design

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