[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.
131. OSI मॉडल की कौन-सी लेयर डेटा को Encrypt और Decrypt करने का कार्य करती है?
[A] Session Layer
[B] Presentation Layer
[C] Transport Layer
[D] Application Layer
131. Which layer of the OSI model performs encryption and decryption of data?
[A] Session Layer
[B] Presentation Layer
[C] Transport Layer
[D] Application Layer
सही उत्तर: Presentation Layer
व्याख्या: Presentation Layer डेटा का अनुवाद, Encryption और Decryption करती है।
Correct Answer: Presentation Layer
Explanation: The Presentation Layer is responsible for data encryption and decryption.
132. निम्नलिखित में से कौन-सा Connection-Oriented Protocol है?
[A] UDP
[B] IP
[C] TCP
[D] ARP
132. Which of the following is a connection-oriented protocol?
[A] UDP
[B] IP
[C] TCP
[D] ARP
सही उत्तर: TCP
व्याख्या: TCP Connection-Oriented Protocol है जो Reliable Communication प्रदान करता है।
Correct Answer: TCP
Explanation: TCP is a connection-oriented protocol that provides reliable communication.
133. MAC Address की लंबाई कितनी होती है?
[A] 32 बिट
[B] 48 बिट
[C] 64 बिट
[D] 128 बिट
133. What is the length of a MAC Address?
[A] 32 bits
[B] 48 bits
[C] 64 bits
[D] 128 bits
सही उत्तर: 48 बिट
व्याख्या: MAC Address सामान्यतः 48 बिट का होता है।
Correct Answer: 48 bits
Explanation: A MAC address is typically 48 bits long.
134. IPv4 Address की कुल लंबाई कितनी होती है?
[A] 16 बिट
[B] 32 बिट
[C] 64 बिट
[D] 128 बिट
134. What is the total length of an IPv4 address?
[A] 16 bits
[B] 32 bits
[C] 64 bits
[D] 128 bits
सही उत्तर: 32 बिट
व्याख्या: IPv4 Address 32 बिट का होता है।
Correct Answer: 32 bits
Explanation: An IPv4 address consists of 32 bits.
135. निम्नलिखित में से कौन-सा Protocol ई-मेल प्राप्त करने के लिए उपयोग किया जाता है?
[A] SMTP
[B] POP3
[C] FTP
[D] TFTP
135. Which protocol is used for receiving e-mails?
[A] SMTP
[B] POP3
[C] FTP
[D] TFTP
सही उत्तर: POP3
व्याख्या: POP3 ई-मेल प्राप्त करने के लिए उपयोग किया जाता है।
Correct Answer: POP3
Explanation: POP3 is used to receive emails from a mail server.
136. Switch मुख्य रूप से OSI Model की किस Layer पर कार्य करता है?
[A] Physical Layer
[B] Data Link Layer
[C] Network Layer
[D] Transport Layer
136. At which layer of the OSI model does a switch primarily operate?
[A] Physical Layer
[B] Data Link Layer
[C] Network Layer
[D] Transport Layer
सही उत्तर: Data Link Layer
व्याख्या: Switch Data Link Layer पर MAC Address का उपयोग करता है।
Correct Answer: Data Link Layer
Explanation: A switch operates primarily at the Data Link Layer.
137. निम्नलिखित में से कौन-सा Wireless Networking Standard है?
[A] IEEE 802.3
[B] IEEE 802.11
[C] IEEE 802.5
[D] IEEE 802.4
137. Which of the following is a wireless networking standard?
[A] IEEE 802.3
[B] IEEE 802.11
[C] IEEE 802.5
[D] IEEE 802.4
सही उत्तर: IEEE 802.11
व्याख्या: IEEE 802.11 Wi-Fi Standard है।
Correct Answer: IEEE 802.11
Explanation: IEEE 802.11 is the Wi-Fi standard.
138. निम्नलिखित में से कौन-सा Device Signal को Regenerate करता है?
[A] Router
[B] Switch
[C] Repeater
[D] Gateway
138. Which device regenerates network signals?
[A] Router
[B] Switch
[C] Repeater
[D] Gateway
सही उत्तर: Repeater
व्याख्या: Repeater कमजोर Signal को पुनः मजबूत करता है।
Correct Answer: Repeater
Explanation: A repeater regenerates weak signals.
139. URL का पूर्ण रूप क्या है?
[A] Uniform Resource Locator
[B] Universal Resource Locator
[C] Uniform Resource Link
[D] Universal Resource Link
139. What is the full form of URL?
[A] Uniform Resource Locator
[B] Universal Resource Locator
[C] Uniform Resource Link
[D] Universal Resource Link
सही उत्तर: Uniform Resource Locator
व्याख्या: URL वेब संसाधनों का पता बताता है।
Correct Answer: Uniform Resource Locator
Explanation: URL stands for Uniform Resource Locator.
140. निम्नलिखित में से कौन-सा Protocol Domain Name को IP Address में बदलता है?
[A] HTTP
[B] DNS
[C] SMTP
[D] Telnet
140. Which protocol converts domain names into IP addresses?
[A] HTTP
[B] DNS
[C] SMTP
[D] Telnet
सही उत्तर: DNS
व्याख्या: DNS Domain Name Resolution का कार्य करता है।
Correct Answer: DNS
Explanation: DNS resolves domain names into IP addresses.