Multiple Choice Questions and Answers on Packet Switching & Circuit Switching MCQ on Packet Switching  1. A local telephone network is an example of a _______ network. a) Packet switched b) Switched circuit c) Bit switched d) Line switched Answer: Switched circuit 2. Packet switches use the principle of ____________ A) Stop and wait b) Store and carry forward c) Store and wait d) Stop and move on Answer: Save and move on 3. There are three popular approaches to _________ switching: the datagram approach and the virtual circuit approach. A) Circuit b) Packet c) Message d) Both (a) and (b) Answer: Packet 4. In _________ systems, resources are allocated based on demand. a) Packet switching b) Circuit switching c) Line switching D) Frequency switching Answer: Packet switching 5. SVC is a transmission path in _________  A) Circuit switching. b) Packet switching. c) Message switching. D) All of the above Answer: Packet switching. 6. SCV requires ______________ a) Connection establishment

IOT Multiple Choice Questions And Answers 1.Mathematical model, which represents the relationship between variables, is termed as a) Mathematical model b) Statistical model c) Variability model d) None of the above Answer: Statistical model 2. ANOVA has a) Two types b) Three Types c) Four Types d)  Any finite value Answer: Three Types 3. Which of the following option supports a long-range communication a) ZigBee b) GPRS c) Bluetooth d) All of the above Answer: GPRS 4. The primary challenges of an embedded operating system for WSN are a) Small memory footprint b) Low power and computing capability c) Lack hardware parallelism d) All of these Answer: All of these 5. What is the network topology of Ambusens WBAN devices a) Bus topology b) Star Topology c) Mesh Topology d) None of the above Answer: Star Topology 6. Which communication protocol is used between sensor devices in Ambusens WBAN system a) 3G b) WLAN/Wi-fi c) IEEE 80 2. 15.4 d) IEEE 80 2. 15.1 Answer: IEEE 80 2. 15.1 7. Which pr

Questions And Answers On Industrial Internet Of Things 1. ___ is a subset of machine learning that can learn automatically by finding the features of the object on its own. a) Deep learning b) Artificial intelligence c) Human learning d) None of the above Answer: Deep learning 2. SQL stands for_____ a) Structured Query Language b) Semantic Query Language c) Source Query Language d) Safe Query Language Answer: Structured Query Language 3. Which of the following is not a characteristic of Big Data ? a) Velocity b) Veracity c) Vitality d) Value Answer: Vitality 4. HDFS is a file system derived from open-source codes of ____. a) Smart FS b) KFS c) GFS d) None of the above Answer: GFS 5. Which of the following feature(s) is/are essential for cloud-based analytics methods as per NIST? a) Wide network access b) Method grouping c) Fast flexibility d) All of the above Answer: All of the above 6. Which of the following is/are the component(s) of Cyber Security? a) Application security b) Informa

1. Which operator is the most important while assigning any instruction as register indirect instruction? a) $ b) # c) @ d) & Answer: @ 2. Which of the following comes under the indexed addressing mode? a) MOVX A, @DPTR b) MOVC @A+DPTR,A c) MOV A,R0 d) MOV @R0,A Answer: MOVC @A+DPTR,A

Multiple choice Questions and Answers on Heat exchanger 1. Water (specific heat = 4 k J/kg K) enters a cross flow exchanger (both fluids unmixed) at 15 degree Celsius and flows at the rate of 7.5 kg/s. It cools air (C P = 1 k J/kg K) flowing at the rate of 10 kg/s from an inlet temperature of 120 degree Celsius. For an overall heat transfer coefficient of 780 k J/m2 hr degree and the surface area is 240 m2, determine the NTU a) 4.2 b) 5.2 c) 6.2 d) 7.2 Answer: 5.2 2. Consider the above problem, find the capacity ratio of the heat exchanger a) 0.555 b) 0.444 c) 0.333 d) 0.222 Answer: 0.333 3. The engine oil at 150 degree Celsius is cooled to 80 degree Celsius in a parallel flow heat exchanger by water entering at 25 degree Celsius and leaving at 60 degree Celsius. Estimate the exchanger effectiveness a) 0.56 b) 0.66 c) 0.76 d) 0.86 Answer: 0.56 4. In a surface condenser, the water flowing through a series of tubes at the rate of 200 kg/hr is heated from 15 degree Celsius to 75 degree Ce