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Showing posts with the label CTA

Multiple Choice Questions & Answers on White Box Testing

Multiple Choice Questions & Answers on White Box Testing 1. A key principle of Scrum is ______________ a) Strict requirements b) Requirements volatility c) Fixed scale development d) Cross-functional development Answer: Requirements volatility 2. White Box techniques are also classified as_________________ a) Design based testing b) Structural testing c) Error guessing technique d) None of the mentioned Answer: Structural testing 3. The Sprint is a/an ___________ effort. a) Timeboxed b) Closed c) Sandboxed d) Open Answer: Timeboxed 4. The _____________ is the sum of all the Product Backlog Items completed during a Sprint. a) Sprint burn-down char b) Release burn-up chart c) Potentially shippable increment d) Scrumban Answer: Potentially shippable increment 5. ___________ defines “a flexible, holistic product development strategy where a development team works as a unit to reach a common goal”. a) Scrum b) FDD c) DevOps d) MDD Answer: Scrum 6. The ______________ comprises an ordered

Multiple Choice Questions & Answers on Software Testing fundamentals

Multiple Choice Questions & Answers on Software Testing fundamentals  1. SDLC stands for ________ a) Software development life cycle b) System development life cycle c) Software design life cycle d) System design life cycle Answer: Software development life cycle 2. A process to determine how the actual testing is done _______ a) Audit b) Inspection c) Control d) Monitoring Answer: Audit 3. Another name for white-box testing is ___________ a) Control testing b) Graybox c) Glassbox d) Black box Answer: Glassbox 4. Locating or identifying the bugs is known as ___________ a) Design b) Testing c) Debugging d) Coding Answer: Testing 5. A ________ is tested to ensure that information properly flows into and out of the system. a) module interface b) local data structure c) boundary conditions d) paths Answer: module interface 6. ___________ is done in the development phase by the debuggers. a) Coding b) Testing c) Debugging d) Implementation Answer: Debugging 7. A set of activities that e

Multiple Choice Questions & Answers on Software Testing

Multiple Choice Questions & Answers on Software Testing 1. ITG stands for ___________ a) Integration Testing Group b) Instantaneous Test Group c) Independent Test Group d) Individual Testing Group Answer: Independent Test Group. 2. Exploratory testing is a ___________ a) Experience-based Test Design Technique b) White Box Test Design Technique c) Black Box Test Design Technique d) Grey Box Test Design Technique Answer: Experience-based Test Design Technique 3. Sanity testing is a ___________ a) Test type b) Test Execution Level c) Test Level d) Test design technique Answer: Test Execution level 4. The Decision table testing is a ___________ a) White box Test Design Technique b) Black Box Test Design Technique c) Experience-based Test Design Technique d) Grey Box Test Design Technique Answer: Black-box test design technique 5. Functional testing is a ___________ a) Test design technique b) Test level c) SDLC Model d) Test type Answer: Test Type 6. The Regression test case is not a _

Multiple Choice Questions and Answers on IEEE 488

Multiple Choice Questions and Answers on IEEE 488  1. IEEE 488 used to ____________ a) Attaching Sensor  b) Attaching Programmable Instruments to a Computer c) Both (a) and (b) d) None of the above Answer: Both (a) and (b) 2. GPIB stands for ____________ a) General Purpose Interface Bus  b) General Purpose Institute Bus c) General parallel Institute Bus d) General parallel Interface Bus Answer: General Purpose Interface Bus  3. How many devices connecting IEEE 488 cable a) 20  b) 30  c) 15 d) 40 Answer: 15 4. IEEE 488 is more commonly known as: a) GPIB b) PCI Express c) FireWire d) Serial ATA Answer: GPIB 5. IEEE-488 is the international standard for a parallel interface used for attaching sensors and programmable instruments to a computer a) True b) False Answer: True

Multiple Choice Questions & Answers on IEEE 1394

Multiple Choice Questions & Answers on IEEE 1394 1. IEEE 1394 or FireWire used to _________ a) connect personal computers b) audio devices c) video devices d) All of the above Answer: All of the above  2. "IEEE 1394" is more commonly known as: a) USB b) PCI Express c) FireWire d) Serial ATA Answer: FireWire   3. The data rate of Parallel port (IEEE 1394) is a) 3,200 megabits per second b) 6,000 megabits per second c) 8,000 megabits per second d) 4,000 megabits per second 4. What is the most significant difference between the USB and IEEE1394 standards? a) IEEE 1394 is faster b) USB does not support USB c) USB is plug and play d) IEEE 1394 is hot swappable Answer: IEEE 1394 is faster 5. IEEE 1394 is an interface standard for a serial bus for high-speed communications and isochronous real-time data transfer. a) True b) False Answer: True

Multiple Choice Questions and Answers on industrial ethernet

Multiple Choice Questions and Answers on industrial ethernet 1. Magnitude of signal in Ethernet __________ a) Voltages swing between 0 and -2.05 volts on coaxial cables or between -2.5 V to +2.5 V on twisted pair. b) Voltages swing between 2.00 and -2.00 volts on coaxial cables or between -1.5 V to +2.5 V on twisted pair. c) Voltages swing between 0 and -2.05 volts on twisted pair or between -2.5 V to +2.5 V on coaxial cables. d) all of the mentioned Answer: Voltages swing between 0 and -2.05 volts on coaxial cables or between -2.5 V to +2.5 V on twisted pair. 2. connectors used in industrial Ethernet ____________ a) Screw type N connectors b) D type connectors and DB- type connectors c) RJ -45 and M12 connectors d) all of the mentioned Answer: all of the mentioned 3. Ethernet frame consists of ____________ a) MAC address b) IP address c) Default mask d) Network address Answer: MAC address 4. A point-to-point protocol over ethernet is a network protocol for __________ a) encapsulating

Multiple Choice Questions and Answers on TCP/IP

Multiple Choice Questions and Answers on TCP/IP  1. Length of Port address in TCP/IP is _________ a) 4bit long b) 16bit long c) 32bit long d) 8 bit long Answer: 16bit long 2. A device operating at network layer is called __________ a) Router b) Equalizer c) Bridge d) Repeater Answer: Router 3. Virtual terminal protocol is an example of _________ a) Network layer b) Application layer c) Transport layer d) Physical layer Answer: Application layer 4. TCP/IP layer is equivalent to combined Session, Presentation and _________ a) Network layer b) Application layer c) Transport layer d) Physical layer Answer: Application layer 5. TCP/IP is related to __________ a) ARPANET b) OSI c) DECNET d) ALOHA Answer: ARPANET 6. A device operating at physical layer is called __________ a) Router b) Equalizer c) Bridge d) Repeater Answer: Repeater 7. What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model? a) Application b) Host to host c) Internet d) Network Access Answer: Hos

Transport Layer Multiple Choice Questions & Answers

Transport Layer Multiple Choice Questions & Answers 1. Transmission control protocol ___________ a) is a connection-oriented protocol b) uses a three way handshake to establish a connection c) receives data from application as a single stream d) all of the mentioned Answer: all of the mentioned 2. Socket-style API for windows is called ____________ a) wsock b) winsock c) wins d) sockwi Answer: winsock 3. Transport layer aggregates data from different applications into a single stream before passing it to ____________ a) network layer b) data link layer c) application layer d) physical layer Answer: network layer 4. Transport layer protocols deals with ____________ a) application to application communication b) process to process communication c) node to node communication d) man to man communication Answer: process to process communication 5. User datagram protocol is called connectionless because _____________ a) all UDP packets are treated independently by transport layer b) it s

Multiple Choice Questions & Answers on IEEE standards for networking

Multiple Choice Questions & Answers on IEEE standards for networking 1.IEEE stands for ___. a) Instistute of Electrical and Electronics Engineering b) Institute of Electrical and Electronics Engineers c) Institute Ethernet and Electronics Engineering d) None of the Answer: Institute of Electrical and Electronics Engineers 2.Choose the correct IEEE standards used to manage various computer networks. a) IEEE 802.1 = Network Management standards, IEEE 802.2 = General Data Link Layer standards b) IEEE 802.3 = MAC layer protocols for a BUS network with CSMA/CD, IEEE 802.4 = MAC layer protocols for a BUS network with Token passing feature c) IEEE 802.5 = MAC layer protocols for a Token RING network, IEEE 802.6 = Standars to operate a MAN (Metropolitan Area Network) d) All of the above Answer: All of the above 3.Choose the cables or media used to implement 802.3 ethernet network below. a) 10Base5 = Thick Coaxial cable, 10Base2 = Thin Coaxial cable b) 10BaseT = Twisted Pair cable, 10BaseF

Data Link Layer Multiple Choice Questions & Answers

Data Link Layer Multiple Choice Questions & Answers 1. Automatic repeat request error management mechanism is provided by ________ a) logical link control sublayer b) media access control sublayer c) network interface control sublayer d) application access control sublayer Answer: logical link control sublayer 2. CRC stands for __________ a) cyclic redundancy check b) code repeat check c) code redundancy check d) cyclic repeat check Answer: cyclic redundancy check 3. The data link layer takes the packets from _________ and encapsulates them into frames for transmission. a) network layer b) physical layer c) transport layer d) application layer Answer: network layer 4. The technique of temporarily delaying outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is called ____________ a) piggybacking b) cyclic redundancy check c) fletcher’s checksum d) parity check Answer: piggybacking 5. Header of a frame generally contains ______________ a) synchroniz

Multiple Choice Questions & Answers on LAN topologies

Multiple Choice Questions & Answers on LAN topologies 1. Data communication system within a building or campus is________ a) LAN b) WAN c) MAN d) PAN Answer: LAN 2. Physical or logical arrangement of network is __________ a) Topology b) Routing c) Networking d) Control Answer: Topology 3. In a star-topology Ethernet LAN, _______ is just a point where the signals coming from different stations collide; it is the collision point. a) An active hub b) A passive hub c) either (a) or (b) d) neither (a) nor (b) Answer:  A passive hub 4. _____ LAN topology describes the possible connections between pairs of networked end-points that can communicate. a) Complex b) Physical c) Logical d) Incremental Answer: Logical 5. LAN topology describes the possible connections between pairs of networked end-points that can communicate. a) Complex b) Physical c) decrement d) Logical Answer: Logical 6. Bus, ring and star topologies mostly used in the a) LAN b) MAN c) WAN d) Internetwork Answer: LAN 7. A t

Multiple Choice Questions & Answers on OSI Seven Layer model

Multiple Choice Questions & Answers on OSI Seven Layer model Physical Layer Multiple Choice Questions & Answers 1. The physical layer provides __________ a) mechanical specifications of electrical connectors and cables b) electrical specification of transmission line signal level c) specification for IR over optical fiber d) all of the mentioned Answer: all of the mentioned 2. The physical layer is responsible for _________ a) line coding b) channel coding c) modulation d) all of the mentioned Answer: all of the mentioned 3. A single channel is shared by multiple signals by ____________ a) analog modulation b) digital modulation c) multiplexing d) phase modulation Answer: multiplexing 4. The physical layer is concerned with ___________ a) bit-by-bit delivery b) process to process delivery c) application to application delivery d) port to port delivery Answer: bit-by-bit delivery 5. In asynchronous serial communication the physical layer provides ___________ a) start and stop si

Multiple Choice Questions & Answers on Huffman Code

Multiple Choice Questions & Answers on Huffman Code 1. What is the value of redundancy in Huffman Code when the probabilities are negative powers of two? a) 1 b) 2 c) 3 d) O Answer: 0 2. How many printable characters does the ASCII character set consists of? a) 120 b) 128 c) 100 d) 98 Answer: 100 3. A Huffman code: A = 1, B = 000, C = 001, D = 01, P(A) = 0.4, P(B) = 0.1, P(C) = 0.2, P(D) = 0.3 The average number of bits per letter is a) 8.0 bit b) 1.9 bit c) 2.0 bit d) 2.1 bit Answer: 1.9 bit 4. An alphabet consist of the letters al, a2, a3, a4 and a5. The probability of occurrence is P(al)=P(a3)=0.2, P(a2)= 0.4, P(C) = 0.2 and P(a4) = P(a5)= 0.1.The Huffman code is a) al = 1, a2-01, a3= 000, a4 = 0010, a5-0011 b) al 01, a2=1, a3= 000, a4 = 0010, a5-0011  c) al 0011, a2=1, a3= 000, a4 = 0010, a5-01 d) al 01, a2=1, a3= 000, a4 = 0011, a5-0010 Answer: al 01, a2=1, a3= 000, a4 = 0010, a5-0011 5. Length of Huffman Code is: a) H(S)<= 1 < (H(S) +1 b) H(S)>= 1 < (H(S) +1 c) H(

Multiple Choice Questions & Answers on Data Compression

Multiple Choice Questions & Answers on Data Compression 1. The development of data compression algorithms for a variety of data can be divided into   a) 2 b) 3 c) 4 d) 5  Answer: 2 2. Based on the requirements of reconstruction, data compression schemes can be divided into broad classes a) 3 b) 4 c) 2 d) 5  Answer: 2 3. How many printable characters does the ASCII character set consists of? a) 128 b) 100 c) 98 d) 90 Answer: 100 4. The unary code for 4 is a) 11100 b) 11110 c) 00001 d) 00011 Answer: 11110 5. An alphabet consist of the letters A, B, C and D. The probability of occurrence is P(A) = 0.4, P(B)= 0.1, P(C) = 0.2 and P(D) = 0.3. The Huffman code is a) A = 0 B = 111 C = 110 D = 10 b) A = 0 B = 11 C = 10 D = 111 c) A = 0 B = 111 C = 11 D = 101 d) A = 01 B = 111 C = 110 D = 10 Answer: A = 0 B = 111 C = 110 D = 10 6. A Huffman code: A = 1, B = 000, C = 001, D = 01 , P(A) = 0.4, P(B) = 0.1, P(C) = 0.2, P(D) = 0.3 The average number of bits per letter is a) 0 bit b) 1 bit c) 0 bi