[Computer Network MCQS ]
झारखंड में आयोजित होने वाली JPSC, JSSC, JET, झारखंड पुलिस भर्ती परीक्षा आदि के लिए उपयोगी सामान्य अध्ययन।
Computer Network Topics:-
Network Basics, Types of Networks (LAN, MAN, WAN, PAN), Network Topologies, OSI Reference Model, TCP/IP Model, Physical Layer, Data Link Layer, Ethernet Technology, Switching Techniques, Network Layer, IPv4 Addressing, IPv6 Addressing, Subnetting, Supernetting, Routing Concepts, RIP (Routing Information Protocol), OSPF (Open Shortest Path First), BGP (Border Gateway Protocol), ARP and RARP, ICMP, DHCP, DNS, NAT, Transport Layer, TCP (Transmission Control Protocol), UDP (User Datagram Protocol), FTP and TFTP, HTTP and HTTPS, SMTP, POP3 and IMAP, Telnet and SSH, SNMP, NTP, Wireless Networks, Wi-Fi (IEEE 802.11), Bluetooth, VPN (Virtual Private Network), Firewall, IDS and IPS, SSL/TLS, IPsec, Cryptography, Network Security, Cloud Networking, Mobile Networking, Advanced Networking[ Computer Network MCQS ]
Useful GK for JPSC, JSSC, JET, Jharkhand Police and other exams.
161. SSH का Default Port Number क्या है?
[A] 20
[B] 22
[C] 23
[D] 80
161. What is the default port number of SSH?
[A] 20
[B] 22
[C] 23
[D] 80
सही उत्तर: 22
व्याख्या: SSH सुरक्षित Remote Access प्रदान करता है।
Correct Answer: 22
Explanation: SSH uses port 22 by default.
162. कौन-सा Protocol Web Pages Transfer करने के लिए उपयोग किया जाता है?
[A] HTTP
[B] FTP
[C] SMTP
[D] SNMP
162. Which protocol is used to transfer web pages?
[A] HTTP
[B] FTP
[C] SMTP
[D] SNMP
सही उत्तर: HTTP
व्याख्या: HTTP Web Communication का आधार है।
Correct Answer: HTTP
Explanation: HTTP is used to transfer web pages.
163. डेटा को छोटे-छोटे भागों में विभाजित करने की प्रक्रिया क्या कहलाती है?
[A] Segmentation
[B] Multiplexing
[C] Encryption
[D] Routing
163. What is the process of dividing data into smaller units called?
[A] Segmentation
[B] Multiplexing
[C] Encryption
[D] Routing
सही उत्तर: Segmentation
व्याख्या: Transport Layer डेटा को Segments में विभाजित करती है।
Correct Answer: Segmentation
Explanation: Data is divided into segments at the Transport Layer.
164. कौन-सा Protocol Web Browser और Web Server के बीच सुरक्षित संचार प्रदान करता है?
[A] HTTP
[B] HTTPS
[C] FTP
[D] Telnet
164. Which protocol provides secure communication between a web browser and a web server?
[A] HTTP
[B] HTTPS
[C] FTP
[D] Telnet
सही उत्तर: HTTPS
व्याख्या: HTTPS SSL/TLS का उपयोग करता है।
Correct Answer: HTTPS
Explanation: HTTPS uses SSL/TLS for secure communication.
165. DNS Server उपलब्ध न होने पर क्या होगा?
[A] IP Address MAC में बदल जाएगा
[B] Domain Name Resolve नहीं होगा
[C] ई-मेल स्वतः भेजा जाएगा
[D] नेटवर्क की गति बढ़ जाएगी
165. What happens if the DNS server is unavailable?
[A] IP Address converts to MAC Address
[B] Domain names cannot be resolved
[C] Emails are sent automatically
[D] Network speed increases
सही उत्तर: Domain Name Resolve नहीं होगा
व्याख्या: DNS Domain Name को IP Address में बदलता है।
Correct Answer: Domain names cannot be resolved
Explanation: DNS resolves domain names into IP addresses.
166. IPv4 में कुल कितने Octets होते हैं?
[A] 2
[B] 4
[C] 6
[D] 8
166. How many octets are there in an IPv4 address?
[A] 2
[B] 4
[C] 6
[D] 8
सही उत्तर: 4
व्याख्या: IPv4 Address 4 Octets से मिलकर बना होता है।
Correct Answer: 4
Explanation: An IPv4 address consists of 4 octets.
167. MAC Address किस Layer पर उपयोग किया जाता है?
[A] Network Layer
[B] Data Link Layer
[C] Transport Layer
[D] Application Layer
167. At which layer is a MAC address used?
[A] Network Layer
[B] Data Link Layer
[C] Transport Layer
[D] Application Layer
सही उत्तर: Data Link Layer
व्याख्या: MAC Address Layer 2 Address होता है।
Correct Answer: Data Link Layer
Explanation: MAC addresses are used at the Data Link Layer.
168. निम्नलिखित में से कौन-सा Network Security Attack है?
[A] Phishing
[B] Routing
[C] Segmentation
[D] Multiplexing
168. Which of the following is a network security attack?
[A] Phishing
[B] Routing
[C] Segmentation
[D] Multiplexing
सही उत्तर: Phishing
व्याख्या: Phishing उपयोगकर्ता की संवेदनशील जानकारी चुराने का प्रयास है।
Correct Answer: Phishing
Explanation: Phishing is an attempt to steal sensitive user information.
169. Bandwidth का अर्थ क्या है?
[A] नेटवर्क की सुरक्षा
[B] डेटा संग्रहण क्षमता
[C] डेटा ट्रांसमिशन की अधिकतम क्षमता
[D] IP Address की संख्या
169. What is bandwidth?
[A] Network security
[B] Storage capacity
[C] Maximum data transmission capacity
[D] Number of IP addresses
सही उत्तर: डेटा ट्रांसमिशन की अधिकतम क्षमता
व्याख्या: Bandwidth किसी चैनल की अधिकतम डेटा वहन क्षमता है।
Correct Answer: Maximum data transmission capacity
Explanation: Bandwidth is the maximum capacity of a communication channel.
170. Packet Switching में डेटा किस रूप में भेजा जाता है?
[A] एक बड़ी फ़ाइल
[B] Packets
[C] Frames Only
[D] Signals Only
170. In packet switching, data is transmitted in the form of?
[A] One large file
[B] Packets
[C] Frames only
[D] Signals only
सही उत्तर: Packets
व्याख्या: Packet Switching में डेटा छोटे Packets में विभाजित होकर भेजा जाता है।
Correct Answer: Packets
Explanation: Data is divided into packets before transmission in packet-switched networks.