कंप्यूटर ज्ञान
MediumQ. No. which-device-connects-different-networks-together
विभिन्न नेटवर्कों को जोड़ने वाला डिवाइस कौन सा है?
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Aराउटर
Bमाउस
Cप्रिंटर
Dस्कैनर
Correct Answer: राउटरYour Answer: A
Explanation
राउटर कई नेटवर्कों को जोड़ते हैं।
Important Notes
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यह सामग्री अभी उपलब्ध न...
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Answer
राउटर
Exam Info
- Asked in: SSC, Railway, Banking and other competitive exams.
- Also asked in: RRB NTPC, CHSL, State PCS and online mock tests.
- Topic: यह सामग्री अभी उपलब्ध नहीं है।
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FAQ
यह सामग्री अभी उपलब्ध नहीं है। FAQs
Common questions and clear answers for this topic.
What is Computer Networking and what are its main types?
Computer Networking is the practice of connecting computers and devices to share data and resources. Main types: LAN (Local Area Network - covers a small area like a building), WAN (Wide Area Network - covers large geographical areas, e.g., internet), MAN (Metropolitan Area Network - city-wide), PAN (Personal Area Network - very short range, e.g., Bluetooth). Networking is a key topic in Computer Awareness for SSC and Banking exams.
What is the OSI Model and its 7 layers?
The OSI (Open Systems Interconnection) Model has 7 layers: 1) Physical (cables, signals), 2) Data Link (MAC address, error detection), 3) Network (IP address, routing), 4) Transport (TCP/UDP, port numbers), 5) Session (session management), 6) Presentation (encryption, formatting), 7) Application (HTTP, FTP, SMTP). Mnemonic: Please Do Not Throw Sausage Pizza Away.
What is the difference between TCP and UDP protocols?
TCP (Transmission Control Protocol) is connection-oriented, provides reliable, ordered, and error-checked delivery using three-way handshake. Used for web browsing (HTTP/HTTPS), email, file transfer. UDP (User Datagram Protocol) is connectionless, faster but unreliable. Used for video streaming, online gaming, DNS, VoIP where speed is more important than reliability.
What is an IP Address and what is the difference between IPv4 and IPv6?
An IP (Internet Protocol) Address is a unique numerical label assigned to each device on a network. IPv4 uses 32-bit addresses (e.g., 192.168.1.1) allowing about 4.3 billion addresses. IPv6 uses 128-bit addresses allowing virtually unlimited addresses. IPv6 was developed because IPv4 addresses are exhausted. IPv6 supports better security and auto-configuration.
What is DNS, DHCP, and HTTP in networking?
DNS (Domain Name System) converts domain names (like google.com) to IP addresses - called the phone book of the internet. DHCP (Dynamic Host Configuration Protocol) automatically assigns IP addresses to devices on a network. HTTP (HyperText Transfer Protocol) is the protocol for transmitting web pages. HTTPS adds SSL/TLS encryption. Port numbers: HTTP uses 80, HTTPS uses 443, DNS uses 53.