Description : SSL is not responsible for a. Mutual authentication of client & server b. Secret communication c. Data Integrity protection d. Error detection and correction
Last Answer : d. Error detection and correction
Description : How many 8-bit characters can be transmitted per second over a 9600 baud serial communication link using asynchronous mode of transmission with one start bit, eight data bits, two stop bits, and one parity bit ? a. 600 b. 800 c. 876 d. 1200
Last Answer : b. 800
Description : Block coding can help in _______at the receiver. A) Synchronization B) Error detection C) Attenuation D) (a) and (b)
Last Answer : (a) and (b)
Description : Define Error Detection and Correction. Mention the types of errors.
Last Answer : Data can be corrupted during transmission. For reliable communication, errors must be detected and corrected. Single bit error: The only one bit of a given data unit (such as byte character/data unit or packet) is ... error: 2 or more bits in the data unit have changed from 1 to 0 from 0 to 1.
Description : Which of the following function is useful in system requiring error detection and correction codes ? (A) AND-OR (B) OR (C) AND (D) Exclusive -OR
Last Answer : Which of the following function is useful in system requiring error detection and correction codes ? (A) AND-OR (B) OR (C) AND (D) Exclusive -OR
Description : Perceptron learning, Delta learning and LMS learning are learning methods which falls under the category of (A) Error correction learning – learning with a teacher (B) Reinforcement learning – learning with a critic (C) Hebbian learning (D) Competitive learning – learning without a teacher
Last Answer : (A) Error correction learning – learning with a teacher
Description : Which of the following services is not provided by wireless access point in 802.11 WLAN? (A) Association (B) Disassociation (C) Error Correction (D) Integration
Last Answer : Answer: C Explanation: IEEE 802.11 Services
Description : The ............layer of OSI model can use the trailer of the frame for error detection. A) Physical B) Data link C) Transport D) Presentation
Last Answer : A) Physical
Description : Let C be a binary linear code with minimum distance 2t + 1 then it can correct upto ............bits of error. (1) t + 1 (2) t (3) t - 2 (4) t/2
Last Answer : (2) t
Description : Let G(x) be generator polynomial used for CRC checking. The condition that should be satisfied by G(x) to correct odd numbered error bits, will be: (1) (1+x) is factor of G(x) (2) (1-x) is factor of G(x) (3) (1+x2) is factor of G(x) (4) x is factor of G(x)
Last Answer : (1+x) is factor of G(x)
Description : That's what I was thinking.
Last Answer : If so, I think the rate of expansion will be constant. Although there is already a theory that the universe is not expanding.
Description : In asynchronous serial communication the physical layer provides ___________ a. start and stop signalling b. flow control c. both start & stop signalling and flow control d. only start signalling
Last Answer : c. both start & stop signalling and flow control
Description : .............. refers to a situation in which a process is ready to execute but is continuously denied access to a processor in deference to other processes. A) Synchronization B) Mutual Exclusion C) Dead lock D) Starvation
Last Answer : D) Starvation
Description : ................ is the ability of multiple process to co-ordinate their activities by exchange of information A) Synchronization B) Mutual Exclusion C) Dead lock D) Starvation
Last Answer : A) Synchronization
Description : B) Mutual Exclusion
Last Answer : B) Mutual Exclusion
Description : Which is the main function of transport layer? A) Node to node delivery B) End to end delivery C) Synchronization d) Updating and maintaining routing tables
Last Answer : B) End to end delivery
Description : Synchronization is achieved by a timing device called a ................. which generates a periodic train of .................. (A) clock generator, clock pulse (B) master generator, clock pulse (C) generator, clock (D) master clock generator, clock pulse
Last Answer : Answer: A and D
Description : Dining Philosopher's problem is a: (A) Producer-Consumer problem (B) Classical IPC problem (C) Starvation problem (D) Synchronization primitive
Last Answer : (B) Classical IPC problem
Description : Which of the following is not associated with the session layer? (A) Dialog control (B) Token management (C) Semantics of the information transmitted (D) Synchronization
Last Answer : (C) Semantics of the information transmitted
Description : Which causes a quantization noise in PCM system? A. Serial transmission errors B. The approximation of the quantized signal C. The synchronization between encoder and decoder D. Binary coding techniques
Last Answer : B. The approximation of the quantized signal
Last Answer : The approximation of the quantized signal
Description : Quantization noise is caused by A. binary coding techniques B. serial transmission errors C. the synchronization between encoder and decoder D. the approximation of the quantized signal
Last Answer : D. the approximation of the quantized signal
Description : ______ provides synchronization without increasingthe number of bits. A) Scrambling B) Line coding C) Block coding D) None of the above
Last Answer : Scrambling
Description : How many bytes of data can be sent in 15 seconds over a serial link with baud rate of 9600 in asynchronous mode with odd parity and two stop bits in the frame? a. 10,000 bytes b. 12,000 bytes c. 15,000 bytes d. 27,000 bytes
Last Answer : b. 12,000 bytes
Description : . The _____of errors is more difficult than the ______. A) correction; detection B) detection; correction C) creation; correction D) creation;detection
Last Answer : correction; detection
Description : Decision to stop testing should be based upon A. Successful use of specific test case design methodologies B. A percentage of coverage for each coverage category C. Rate of error detection falls below a specified threshold D. All of the above
Last Answer : D. All of the above
Description : Which among the following represents the objectives/requirements of Data Link Layer? a. Frame Synchronization b. Error & Flow Control c. Both a & b d. None of the above
Last Answer : c. Both a & b
Description : . …………………….. is a form of virus explicitly designed to hide itself from detection by antivirus software. A) Stealth virus B) Polymorphic Virus C) Parasitic Virus D) Macro Virus
Last Answer : A) Stealth virus
Description : Which of the following is not the approach to dealing with deadlock? A) Prevention B) Avoidance C) Detection D) Deletion
Last Answer : D) Deletion
Description : The mean-end analysis process centers around the detection of differences between the current state and the goal state. Once such a difference is isolated, an operator that can reduce the difference ... (A) backward planning (B) goal stack planning (C) operator subgoaling (D) operator overloading
Last Answer : (C) operator subgoaling
Description : When slowing to a stop there is a slight jerk without applying the brakes?
Last Answer : The year, make, model, transmission and engine info would helpbut it is probably the transmission down shifting if the vehicle isan automatic.
Description : Need advise on how to minimize re-injuring myself as I slowing re-start my fitness regime?
Last Answer : I think squats are way to hard to start with. I occassionally will have knee problems and for me a sure way of injury is to do squats again. There are so many leg exercises you can do that will ... doctor what exercises he best recommends. He should have a better idea of what is high risk for you.
Description : How good are you at slowing down or wasting time?
Last Answer : If you’re looking to slow down and waste time, your renewed interest in ask-public is a great start!
Description : Best bike lock for stopping opportunist thieves and slowing down the premeditated ones?
Last Answer : answer:All are easily defeated with a car jack, welder, and some angle-iron. Even the most expensive Kyryptonite can be popped in 60 seconds. so I have heard For fun I took some pictures of the bike ... Bike theft is rampant where I live. I just go with having a shitty bike nobody wants to steal.
Description : I need sound effects for time slowing down and speeding up?
Last Answer : The sound of a Federation Starship going to and dropping out of Warp.
Description : How do I figure out what is slowing down my Macbook Pro?
Last Answer : Open up Activity Monitor. Applications >> Utilities >> Activity Monitor.app (I keep it in my dock so that I can always refer to it quickly!) iStat Pro is a great widget that monitors lots of things, from battery performance to CPU usage to ethernet spikes.
Description : What were the reasons for the gradual slowing down of the Non-cooperation Movement in the cities? -SST 10th
Last Answer : . Khadi cloth was often more expensive than the cloth produced in mills. Poor people could not afford to buy khadi cloth. . Boycott of British institutions also posed a problem as there ... began trickling back to the government schools. . Even lawyers resumed work in the government courts.
Description : Is the universe slowing down as it expands?
Last Answer : No; in fact, the expansion is speeding up.
Description : How does the direction of the acceleration along determine if the object is speeding up or slowing down?
Last Answer : Take the component of the acceleration along the direction theobject is moving. If this component is positive (the accelerationvector, or the relevant component, points in the same direction asthe movement), then the object is speeding up.
Description : When the series field relay "FR" of the winch circuit shown in the illustration is energized during dynamic braking the _______________. EL-0102 A. shunt Field Relay "FR-B.O." is de-energized and contacts ... . shunt Field Relay "FR-B.O." opposes the series coil's flux and sets the mechanical brake
Last Answer : Answer: B
Description : Channelization of streams is designed to reduce flooding by ___________. a) Speeding the passage of floodwaters b) Reducing bank erosion c) Slowing down river velocity so as to reduce damage d) Increase the meandering of streams
Last Answer : a) Speeding the passage of floodwaters
Description : This researcher from the Instituto Osvaldo Cruz found that workers on a railroad project in Minas Geraes kept falling ill. They complained about being bitten by a bug they called Barbiero ( ... weakness, enlarged internal organs and the slowing down of digestion. The disease is named after
Last Answer : Chaga’s Disease.
Description : Serial access memories are useful in applications where (A) Data consists of numbers (B) Short access time is required. (C) Each stored word is processed differently. (D) None of these
Last Answer : (D) None of these Explanation: data naturally needs to flow in and out in serial form.
Description : Which of the following statement is true? i) An address with all bits 1 is interpreted as all networks or all hosts. ii) The class A network 128.0.0.0 is defined as the loopback network. A) i only B) ii only C) Both A and B D) None of the above
Last Answer : A) i only
Description : .................. address use 7 bits for the and 24 bits for the portion of the IP address. A) Class A B) Class B C) Class C D) Class D
Last Answer : A) Class A
Description : What is the commonly used unit for measuring the speed of data transmission? A) Bytes per second B) Baud C) Bits per second
Last Answer : B) Baud
Description : The ............ layer change bits onto electromagnetic signals. A) Physical B) Transport C) Data Link D) Presentation
Description : IPv4 and IPv6 are addresses used to identify computers on the internet. Find the correct statement out of the following: (A) Number of bits required for IPv4 address is more than number of bits required for ... of bits required for IPv6 address. (D) Number of bits required for IPv4 address is 64.
Last Answer : (C) Number of bits required for IPv4 address is less than number of bits required for IPv6 address.
Description : The baud rate of a signal is 600 baud/second. If each signal unit carries 6 bits, then the bit rate of a signal is ................. (A) 3600 (B) 100 (C) 6/600 (D) None of the above
Last Answer : (A) 3600
Description : A data file of 1,00,000 characters contains only the characters g-l, with the frequencies as indicated in table: using the variable-length code by Huffman codes, the file can be encoded with (A) 2,52,000 bits (B) 2,64,000 bits (C) 2,46,000 bits (D) 2,24,000 bits
Last Answer : (D) 2,24,000 bits