Description : In ________ TDM, slots are dynamically allocated to improvebandwidth efficiency. A) synchronous B) statistical C) isochronous D) none of the above
Last Answer : statistical
Description : SONET is a _______ TDM system. A) asynchronous B) synchronous C) statistical D) none of the above
Last Answer : none of the above
Description : The ________ modeprovides synchronizationfor the entire stream of bits must. In other words, it guarantees that the data arrive ata fixed rate. A) synchronous B) asynchronous C) isochronous D) none of the above
Last Answer : isochronous
Description : In______ transmission, wesend1 start bit (0) at thebeginningand 1 or more stop bits (1s) at the end of each byte. A) synchronous B) asynchronous C) isochronous D) none of the above
Last Answer : asynchronous
Description : In_________ transmission, we send bits oneafter another without startor stop bits or gaps. It is the responsibilityof the receiver togroup the bits. A) synchronous B) asynchronous C) isochronous D) none of the abov
Last Answer : synchronous
Description : We candivide ____ into two different schemes: synchronousor statistical. A) FDM B) TDM C) WDM D) none of the above
Last Answer : TDM
Description : In synchronous TDM, forn signal sources of the same data rate, eachframe contains _______ slots. A) n B) n + 1 C) n- 1 D) 0to n
Last Answer : n
Description : Ina synchronous modem, the receive equilizer is known as a. adaptive equilizer b. impariment equilizer c. statistical equilizer d. compromise equilizer
Last Answer : adaptive equilizer
Description : Multiplexing scheme use by baseband transmission. A. FDM B. Space multiplexing C. TDM D. Statistical multiplexing
Last Answer : C. TDM
Description : The ______ technique expands the bandwidthof a signal by replacing each data bit with n bits. A) FDM B) DSSS C) FHSS D) TDM
Last Answer : DSSS
Description : Which multiplexing technique shifts each signal to a different carrier frequency? A) FDM B) TDM C) Both (a)and (b) D) None of the above
Last Answer : FDM
Description : Four channels are multiplexed using TDM. If each channel sends 100 bytes/second and we multiplex 1 byte per channel, then the bit rate for the link is __________. a. 400 bps b. 800 bps c. 1600 bps d. 3200 bps
Last Answer : d. 3200 bps
Description : If link transmits 4000 frames per second and each slot has 8 bits, the transmission rate of circuit of this TDM is ______. a. 64 Kbps b. 32 Mbps c. 32 Kbps d. 64 MbpS
Last Answer : c. 32 Kbps
Description : DMT is a modulation technique that combineselements of _______ and _______. A) FDM; TDM B) QDM; QAM C) FDM; QAM D) PSK; FSK
Last Answer : FDM; QAM
Description : The _______ technique uses M different carrier frequencies that are modulated by the source signal. At one moment, the sign modulates one carrier frequency; at the next moment, thesignal modulates another carrier frequency. A) FDM B) DSSS C) FHSS D) TDM
Last Answer : FHSS
Description : _____ isa digital multiplexing technique for combiningseveral low-ratechannels into onehigh-rate one. A) FDM B) TDM C) WDM D) None of the above
Description : _____ isa digitalprocess that allows several connections to share thehighbandwidth ofa link. A) FDM B) TDM C) WDM D) None of the above
Description : _____ isan analog multiplexing technique to combine optical signals. A) FDM B) TDM C) WDM D) None of the above
Last Answer : WDM
Description : ____ is designed to use thehigh bandwidthcapabilityof fiber-optic cable. A) FDM B) TDM C) WDM D) None of the above
Description : Which multiplexing technique involves signals composed of light beams? A) FDM B) TDM C) WDM D) none of the above
Description : In TDM, the transmissionrate of the multiplexed path isusually_______ thesum of thetransmission rates of thesignal sources. A) greater than B) less than C) equal to D) not related to
Last Answer : greater than
Description : Which multiplexing technique transmits digital signals? A) FDM B) TDM C) WDM D) None of the above
Description : Which multiplexing technique transmits analog signals? A) FDM B) TDM C) WDM D) (a) and (c)
Last Answer : (a) and (c)
Description : An ______signal is the optical modulation of an STS-n (or STM-n) signal. A) OC-n B) TDM-n C) FDM-n D) none of the above
Last Answer : TDM-n
Description : Each connection link in ANN is associated with ________ which has information about the input signal. A. neurons B. weights C. bias D. activation function
Last Answer : B. weights
Description : The term ________ means that IP provides no error checking or tracking. IP assumes the unreliabilityof the underlying layers and does its best to get a transmission throughto its destination,but with ... ) reliable delivery B) connection-oriented delivery C) best-effort delivery D) noneof the above
Last Answer : best-effort delivery
Description : In a ________ connection, three or more devices share a link. A) multipoint B) point-to-point C) (a) and(b) D) none of the above
Last Answer : multipoint
Description : A ________ is a 16-bit number used by the host-to-host protocol to identify to which higher- level protocol or application program (process) it must deliver incoming messages A. connection B. UDP C. port D. TCP
Last Answer : C. port
Description : . ________ is the process in which the receiver tries to guess the message by using redundant bits A. Connection-Oriented Service B. Forward error correction C. both a and b D. Confirm
Last Answer : B. Forward error correction
Description : In FTP, the well-known port ____ is used for the control connection and the well-known port ________ for the data connection A. 21; 22 B. 21; 20 C. 20; 21 D. none of the above
Last Answer : B. 21; 20
Description : Three or more devices share a link in ________ connection. a) Unipoint b) Multipoint c) Point to point d) Simplex
Last Answer : b) Multipoint
Description : Where was India’s first computer installed and when? a. Indian Institute of Technology, Delhi, 1977 b. Indian Institute of Science, Bangalore, 1971 c. Indian Iron & Steel Co. Ltd., 1968 d. Indian Statistical Institute, Calcutta, 1955
Last Answer : Indian Statistical Institute, Calcutta, 1955
Description : In_______transmission, bits aretransmittedsimultaneously,each across its own wire. A) Asynchronous serial B) Synchronous serial C) Parallel D) (a) and (b)
Last Answer : Parallel
Description : In the illustration, the contacts between terminals 26 and 27 should be closed when _________. EL-0046 A. using one generator in isochronous mode only B. using two or more generators in ... through varying loads in parallel or single operation D. the circuit breaker is closed for that generator
Last Answer : Answer: C
Description : Rules governing the transmission of digital information. A. Line protocol B. Isochronous C. Data communications D. Digital communications
Last Answer : B. Isochronous
Description : In connection with the examination of financial statements, an independent auditor could be responsible for failure to detect a material fraud if a. Accountants performing important parts of the ... . The fraud was perpetrated by one client employee, who circumvented the existing internal control
Last Answer : The auditor planned the work in a hasty and inefficient manner.
Description : In connection with the examination of financial statements, an independent auditor could be responsible for failure to detect a material fraud if a. Statistical sampling techniques were not used on ... partsof the work failed to discover a close relationship between the treasurer and the cashie
Description : Which of the following is a violation of the code of professional ethics for certified public accountants? a. A CPA permits his/her name to be used in a client's advertising as having ... the professional designation "CPA" after his name on posters employed in connection with his election campaign
Last Answer : Based on information obtained in an audit, a CPA reports an illegal act of his client to government authorities.
Description : Research ethics has a direct connection more often with which stages of research ? (A) Defining and delimiting the scope of research. (B) Problem formulation and reporting of research ... deciding the sampling technique for research. (D) Deciding about statistical techniques and data analysis.
Last Answer : (B) Problem formulation and reporting of research findings.
Description : A company forfeited 30 equity shares of Rs. 10 each fully called-up, for non-payment of allotment money of Rs. 3 and call-money of Rs. 4 per share. If these shares are reissued at Rs. 8 per share fully paid, the amount ... to capital reserve will be- (A) Rs. 300 (B) Rs. 60 (C) Rs. 90 (D) Rs. 30
Last Answer : Answer: Rs. 30
Description : X Limited forfeited Ram's 20 shares of Rs. 10 each on which Rs. 7 is called up. Ram had paid application and allotment money of Rs. 5 per share. Of these forfeited shares 15 shares were reissued to Hari as fully paid up ... to Capital Reserve account ? (A) Rs. 15 (B) Rs. 20 (C) Rs. 75 (D) Rs. 100
Last Answer : Answer: Rs. 15
Description : XYZ Ltd. issued 10,000 shares of Rs. 100 each at Rs. 120 per share with Rs. 25 on application, Rs. 45 on allotment including premium, Rs. 20 on first call and Rs. 30 on final call. Govind who held 200 shares did not pay ... forfeiture ? (A) Rs. 14,000 (B) Rs. 10,000 (C) Rs. 9,000 (D) Rs. 4,000
Last Answer : Answer: Rs. 10,000
Description : The Hadoop list includes the HBase database, the Apache Mahout ________ system, and matrix operations. a) Machine learning b) Pattern recognition c) Statistical classification d) Artificial intelligence
Last Answer : Machine learning
Description : In a synchronous modem, the digital-to-analog converter transmits signal to the a. equilizer b. modulator c. demodulator d. terminal e. none of aobve
Last Answer : equilizer
Description : Which of the following statement is correct? a. terminal section of a synchronous modem contains the scrambler b. receiver section of a synchronous modem contains the scrambler c. transmission section of ... d. control section of a synchronous modem contains the scrambler e. none of the above
Last Answer : transmission section of a synchronous modem contains the scrambler
Description : The synchronous modems are more costly than the asynchronous modems because a. they produce large volume of data b. they contain clock recovery circuits c. they transmit the data with stop and start bits d. they operate with a larger bandwidth e. none of above
Last Answer : they contain clock recovery circuits
Description : Which of the following statement is incorrect? a. Multiplexers are designed to accept data from several I/O devices and transmit a unified stream of data on one communication line b. HDLC is a standard ... indicates that it is ready to accept data d. RTS/CTS is the way the terminal indicates ringing
Last Answer : RTS/CTS is the way the DTE indicates that it is ready to transmit data and the way the DCW indicates that it is ready to accept data
Description : Which of the following statement is incorrect? a. The difference between synchronous and asynchronous transmission is the clocking derived from the data in synchronous transmission. b. Half ... in online activities d. Batch processing is the prefered processing mode for telecommunication operation.
Last Answer : Batch processing is the prefered processing mode for telecommunication operation.
Description : In_______transmission, astartbit and a stopbit frame a character byte. A) asynchronous serial B) synchronous serial C) parallel D) (a) and (b)
Last Answer : asynchronous serial
Description : In_______transmission, bits aretransmittedover asingle wire, one ata time. A) asynchronous serial B) synchronous serial C) parallel D) (a) and (b)
Last Answer : (a) and (b)