Knowledge Booster: S & T Telecom Edition (02 May 2026)
Welcome to today's S & T Telecom Knowledge Booster! We've handpicked 10 essential questions from our database to help you sharpen your skills. Dive in and test your knowledge!
Q1. Port numbers are the addressing used to identify? पोर्ट नंबर का उपयोग पहचान के लिए किया जाता है?
- A) Individual nodes
- B) Separate networks
- C) Cisco routers
- D) Specific TCP/IP applications
Correct Answer: Specific TCP/IP applications
Explanation: Explanation :
Q2. Which layer produces OSPF message कौन सी परत OSPF संदेश उत्पन्न करती है?
- A) Data link layer
- B) Transport layer
- C) Application layer
- D) Network layer
Correct Answer: Network layer
Explanation: Explanation : OSPF (Open Shortest Path First) messages are produced by the Network Layer, specifically the Internet layer in the TCP/IP model. OSPF operates at the Network Layer (Layer 3) of the OSI model, where it is responsible for routing packets within an IP network.
Q3. Resistivity of wet, moist and dry soil is _________Ohm/meter. गीली, नम और सूखी मिट्टी की प्रतिरोधकता _________ ओम/मीटर होती है।
- A) 10,010,005,000
- B) 500, 100, 1000
- C) 10, 100, 1000
- D) 10, 500, 1000
Correct Answer: 10, 100, 1000
Explanation: Explanation :
Q4. An Internet Protocol address (IP address) is essential to each device connected to a computer network that uses the Internet Protocol for communication. What is the address size in IPv6 addressing scheme? इंटरनेट प्रोटोकॉल का उपयोग करके संचार करने वाले कंप्यूटर नेटवर्क से जुड़े प्रत्येक डिवाइस के लिए एक इंटरनेट प्रोटोकॉल एड्रेस (आईपी एड्रेस) आवश्यक है। आईपीवी6 एड्रेसिंग स्कीम में एड्रेस का आकार क्या होता है?
- A) 4Byte
- B) 16 Byte
- C) 32 Byte
- D) 128 Byte
Correct Answer: 16 Byte
Explanation: Explanation :
Q5. One of the System that provide information at Passenger end is यात्रियों को जानकारी प्रदान करने वाली प्रणालियों में से एक है
- A) Internet
- B) Alpha numeric display
- C) POET
- D) CCTVs
Correct Answer: Internet
Explanation: Explanation : cctv, POET,LED are available at station.
Q6. As per RDSO specification IRS:S 93/96, VRLA batteries / cells shall be charged at a constant voltage of आरडीएसओ विनिर्देश आईआरएस:एस 93/96 के अनुसार, वीआरएलए बैटरी/सेल को एक स्थिर वोल्टेज पर चार्ज किया जाना चाहिए।
- A) 2.00V
- B) 2.15V
- C) 2.20V
- D) 2.25V
Correct Answer: 2.25V
Explanation: Explanation :
Q7. DSLAM stands for....? DSLAM का पूरा नाम क्या है?
- A) Digital synchronous link multiplexer
- B) Digital line access multiplexer
- C) Digital subscriber line access multiplexer
- D) None of the above
Correct Answer: Digital subscriber line access multiplexer
Explanation: Explanation : DSLAM stands for Digital Subscriber Line Access Multiplexer. It is a network device, usually located in a telephone exchange, that connects multiple customer DSL (Digital Subscriber Line) interfaces to a high-speed internet backbone line using multiplexing techniques. This enables the aggregation of numerous DSL connections for efficient data transmission to the internet.
Q8. V-SAT network in Indian Railways is typically used for __________. ASTE 70% 2025 भारतीय रेलवे में वी-सैट नेटवर्क का उपयोग आमतौर पर __________ के लिए किया जाता है। ASTE 70% 2025
- A) accident site communication
- B) UTS/PRS
- C) FOIS
- D) All the options
Correct Answer: All the options
Explanation: Explanation : using Geostationary Satellite as repeater location. As satellite is being
Q9. IPMPLS is characterized by आईपीएमपीएलएस की विशेषता है आईपीएमपीएलएस की विशेषता है एम.पी.एल.एस. की सुविधा उपलब्ध है
- A) avoiding the need for complex lookups in the routing table
- B) encapsulating individual streams which are diverse, into the packets with its own protocol
- C) packet forwarding decisions made based on the label of the packet without the need to examine the packet itself.
- D) All the options
Correct Answer: All the options
Explanation: Explanation : CBT ASTE 2025
Q10. In CLASS-C protection SPD is provided between ___________. क्लास-सी सुरक्षा में एसपीडी __________ के बीच प्रदान किया जाता है।
- A) Phase & neutral
- B) Neutral & Earth
- C) Phase & Earth
- D) External Power supply
Correct Answer: Phase & neutral
Explanation: Explanation : This is provided with an external lightning conductor on top of the building connected through a down conductor to ground (EARTH). This is known as class ‘A’ protection.
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