[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.
201. 127.0.0.1 IP Address को क्या कहा जाता है?
[A] Broadcast Address
[B] Loopback Address
[C] Network Address
[D] Gateway Address
201. What is the name of the IP address 127.0.0.1?
[A] Broadcast Address
[B] Loopback Address
[C] Network Address
[D] Gateway Address
सही उत्तर: Loopback Address
व्याख्या: 127.0.0.1 का उपयोग Local Host Testing के लिए किया जाता है।
Correct Answer: Loopback Address
Explanation: 127.0.0.1 is used as the loopback address for local host testing.
202. Broadcast Address में सभी Host Bits का मान क्या होता है?
[A] 0
[B] 1
[C] Random
[D] Null
202. What is the value of all host bits in a broadcast address?
[A] 0
[B] 1
[C] Random
[D] Null
सही उत्तर: 1
व्याख्या: Broadcast Address में सभी Host Bits 1 होते हैं।
Correct Answer: 1
Explanation: All host bits are set to 1 in a broadcast address.
203. Network Address में सभी Host Bits का मान क्या होता है?
[A] 0
[B] 1
[C] Random
[D] 255
203. What is the value of all host bits in a network address?
[A] 0
[B] 1
[C] Random
[D] 255
सही उत्तर: 0
व्याख्या: Network Address में सभी Host Bits 0 होते हैं।
Correct Answer: 0
Explanation: All host bits are set to 0 in a network address.
204. Firewall का मुख्य उद्देश्य क्या है?
[A] डेटा संग्रह करना
[B] नेटवर्क सुरक्षा प्रदान करना
[C] वेब पेज बनाना
[D] फाइल प्रिंट करना
204. What is the primary purpose of a firewall?
[A] Store data
[B] Provide network security
[C] Create web pages
[D] Print files
सही उत्तर: नेटवर्क सुरक्षा प्रदान करना
व्याख्या: Firewall अनधिकृत पहुंच को रोकता है और नेटवर्क की सुरक्षा करता है।
Correct Answer: Provide network security
Explanation: A firewall protects a network from unauthorized access.
205. VPN का पूरा नाम क्या है?
[A] Virtual Public Network
[B] Virtual Private Network
[C] Verified Private Network
[D] Virtual Protected Network
205. What is the full form of VPN?
[A] Virtual Public Network
[B] Virtual Private Network
[C] Verified Private Network
[D] Virtual Protected Network
सही उत्तर: Virtual Private Network
व्याख्या: VPN सार्वजनिक नेटवर्क पर सुरक्षित निजी कनेक्शन प्रदान करता है।
Correct Answer: Virtual Private Network
Explanation: VPN stands for Virtual Private Network.
206. NAT का पूरा नाम क्या है?
[A] Network Access Translation
[B] Network Address Translation
[C] Node Address Translation
[D] Network Allocation Translation
206. What is the full form of NAT?
[A] Network Access Translation
[B] Network Address Translation
[C] Node Address Translation
[D] Network Allocation Translation
सही उत्तर: Network Address Translation
व्याख्या: NAT Private IP Address को Public IP Address में बदलता है।
Correct Answer: Network Address Translation
Explanation: NAT stands for Network Address Translation.
207. DHCP का पूरा नाम क्या है?
[A] Dynamic Host Configuration Protocol
[B] Data Host Control Protocol
[C] Dynamic Hardware Configuration Protocol
[D] Domain Host Configuration Protocol
207. What is the full form of DHCP?
[A] Dynamic Host Configuration Protocol
[B] Data Host Control Protocol
[C] Dynamic Hardware Configuration Protocol
[D] Domain Host Configuration Protocol
सही उत्तर: Dynamic Host Configuration Protocol
व्याख्या: DHCP स्वचालित रूप से IP Address प्रदान करता है।
Correct Answer: Dynamic Host Configuration Protocol
Explanation: DHCP automatically assigns IP addresses to devices.
208. DNS Server का मुख्य कार्य क्या है?
[A] ई-मेल भेजना
[B] Domain Name Resolution
[C] फाइल ट्रांसफर
[D] डेटा एन्क्रिप्शन
208. What is the primary function of a DNS server?
[A] Send emails
[B] Domain Name Resolution
[C] Transfer files
[D] Data Encryption
सही उत्तर: Domain Name Resolution
व्याख्या: DNS Domain Name को IP Address में बदलता है।
Correct Answer: Domain Name Resolution
Explanation: DNS converts domain names into IP addresses.
209. Proxy Server का मुख्य कार्य क्या है?
[A] डेटा स्टोर करना
[B] Client और Internet के बीच मध्यस्थ बनना
[C] फाइल प्रिंट करना
[D] केवल Routing करना
209. What is the primary function of a Proxy Server?
[A] Store data
[B] Act as an intermediary between client and internet
[C] Print files
[D] Perform only routing
सही उत्तर: Client और Internet के बीच मध्यस्थ बनना
व्याख्या: Proxy Server Client और Internet के बीच Request Forward करता है।
Correct Answer: Act as an intermediary between client and internet
Explanation: A proxy server acts as an intermediary between a client and the internet.
210. निम्नलिखित में से कौन-सा Telnet का सुरक्षित विकल्प है?
[A] FTP
[B] SMTP
[C] SSH
[D] ARP
210. Which of the following is the secure alternative to Telnet?
[A] FTP
[B] SMTP
[C] SSH
[D] ARP
सही उत्तर: SSH
व्याख्या: SSH सुरक्षित Remote Login और Communication प्रदान करता है।
Correct Answer: SSH
Explanation: SSH provides secure remote login and communication.