Computer Networks
Practice Computer Networks MCQs for Pakistan exams (CSS, FPSC, PPSC, NTS) — 103 practice questions with answers and explanations.
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Computer Networks on MCQsHub is 53 published questions for Pakistan exams such as CSS, FPSC, PPSC, and NTS. Open a question, choose an option, then read the explanation before you move on. The explanation names the correct choice and why the other options do not fit. Difficulty labels and topic tags show which idea to revise next, instead of repeating questions you already know.
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The list below starts with the newest Computer Networks questions. Later pages keep the same subject. Each title is a link to the full stem, the options, and the explanation.
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The concept in which a networking device that connects devices on a local network and forwards data only to th... Identify the correct definition of Network switch. What term describes the following? a basic networking device that broadcasts incoming data to all connected de... In computer science, Network hub refers to which of the following? Select the correct name for: the time delay between sending a request and receiving a response over a network. Which statement correctly explains Network latency? Which concept is defined as follows: a method of data transmission in which messages are broken into small pac... What is Packet switching primarily used for? The following statement describes a specific concept. What is it called? a four-layer networking framework tha... Select the accurate description of TCP/IP model. Which term refers to a network that connects computers within a limited area, such as a home, office, or build... What does LAN refer to? What is the name for a network that spans a large geographic area, connecting multiple smaller networks togeth... Which of the following best describes WAN? Identify the correct concept described as: a set of rules that governs how data is formatted and transmitted b... Network protocol is best defined as which of the following? A numerical identifier used to distinguish specific processes or services running on a networked device. What... Choose the correct description of Port number. Which of the following best names the concept in which a standard network protocol used to transfer files betw... What is the function or purpose of FTP? The concept in which a protocol used for sending email messages between servers is best known as which of thes... Identify the correct definition of SMTP. What term describes the following? a server that acts as an intermediary between a client and other servers, o... In computer science, Proxy server refers to which of the following? Select the correct name for: a network utility used to test the reachability and round-trip time of a host on... Which term refers to a unique numerical label assigned to each device connected to a computer network? What does IP address refer to? What is the name for a system that translates human-readable domain names into IP addresses? Which of the following best describes DNS? Identify the correct concept described as: a connection-oriented transport protocol that guarantees reliable,... TCP is best defined as which of the following? A connectionless transport protocol that sends data without guaranteeing delivery or order. What is this conce... Choose the correct description of UDP. Which of the following best names the concept in which a networking device that forwards data packets between... What is the function or purpose of Router? The concept in which a network security device or software that monitors and filters incoming and outgoing tra... Identify the correct definition of Firewall. What term describes the following? a conceptual framework that standardizes network communication into seven l... In computer science, OSI model refers to which of the following? Select the correct name for: a number that divides an IP address into network and host portions. Which statement correctly explains Subnet mask? Which concept is defined as follows: an application-layer protocol used for transmitting hypertext, such as we... What is HTTP primarily used for? The following statement describes a specific concept. What is it called? the maximum rate of data transfer acr... Select the accurate description of Bandwidth. Which term refers to a unique hardware identifier assigned to a network interface controller? What does MAC address refer to? What is the name for a technique that maps multiple private IP addresses to a single public IP address? Which of the following best describes NAT? Identify the correct concept described as: a technology that creates a secure, encrypted connection over a pub... Which network device operates primarily at the Data Link layer (Layer 2) of the OSI model? Which OSI layer is responsible for end-to-end communication and reliability? Which protocol automatically assigns IP addresses to devices on a network?