A generator that contains afactor of ____ can detectall odd-numberederrors.
A)
x
B)
x + 1
C)
1
D)
none of the above

1 Answer

Answer :

x

Related questions

Description : Let G(x) be the generator polynomial used for CRC checking. What is the condition that should be satisfied by G(x) to detect odd number of bits in error? a. G(x) contains more than two terms b. G(x) does ... exceeding the frame length c. 1+x is a factor of G(x) d. G(x) has an odd number of terms

Last Answer : c. 1+x is a factor of G(x)

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 : Find the transmitted code if the frame is (MSB) 1101011011 (LSB) and generator polynomial is x4 + x + 1. A. 1101011011 1110 B. 1101011111 1110 C. 1101011011 1111 D. 1101011011

Last Answer : A. 1101011011 1110

Description : Which of the following is associated with error detector? a. Odd parity bit b. Even parity bit c. Both of the above d. None of above

Last Answer : Both of the above

Description : While transmitting odd-parity coded symbols, the number of zeros in each symbol is a. odd b. even c. a and b both d. unknown

Last Answer : unknown

Description : A simpleparity-check code can detect__________ errors. A) an even-number of B) two C) no errors D) an odd-number of

Last Answer : an odd-number of

Description : _______ can detect burst error of length less than or equal to degree of the polynomial and detects burst errors that affect odd number of bits. a. Hamming Code b. CRC c. VRC d. None of the above

Last Answer : b. CRC

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 : A simple parity-check code can detect __________ errors A. an even-number of B. two C. no errors D. an odd-number of

Last Answer : D. an odd-number of

Description : Inthe _______method, after thestation finds the line idle it sends or refrainfrom sending based on the outcome ofa random number generator. If the line is busy, it tries again A) nonpersistent B) 1-persistent C) p-persistent D) none of the above

Last Answer : p-persistent

Description : The divisor in a cyclic code is normally called the _________. A) degree B) generator C) redundancy D) none of the above

Last Answer : generator

Description : The RTS and CTS frames in CSMA/CA ____ solvethe hidden stationproblem. The RTS and CTS frames in CSMA/CA ____ solve the exposed station problem. A) can; cannot B) cannot; can C) can; can D) cannot; cannot

Last Answer : can; cannot

Description : We candivide today's networks into ____ broad categories. A) four B) three C) five D) two

Last Answer : three

Description : We candivide ____ into two different schemes: synchronousor statistical. A) FDM B) TDM C) WDM D) none of the above

Last Answer : TDM

Description : ____ is designed to use thehigh bandwidthcapabilityof fiber-optic cable. A) FDM B) TDM C) WDM D) None of the above

Last Answer : WDM

Description : In a multiplexed system,__ lines share thebandwidthof ____ link. A) 1; n B) 1; 1 C) n; 1 D) n; n

Last Answer : n; 1

Description : The signal rate is sometimes called the ____ rate. A) baud B) bit C) signal D) none of the above

Last Answer : baud

Description : ______ finds the value of thesignal amplitudefor eachsample; ____ finds the change from the previous sample. A) DM; PCM B) PCM; DM C) DM; CM D) none of the abov

Last Answer : PCM; DM

Description : In IPv6,____ address defines a groupof computers with addresses that have thesame prefix. A) aunicast B) a multicast C) an anycast D) none of the above

Last Answer : an anycast

Description : RPF guarantees that eachnetwork receives only ____ of the multicast packet. A) one copy B) two copies C) a or b D) none of the above

Last Answer : none of the above

Description : ____ are special-interest groups that quickly test, evaluate, andstandardize new technologies. A) Forums B) Regulatory agencies C) Standards organizations D) All of theabove

Last Answer : Forums

Description : Application layer protocol defines ____ a.types of messages exchanged b.message format, syntax and semantics c.rules for when and how processes send and respond to messages d.all of the mentioned

Last Answer : d.all of the mentioned

Description : The ____ layer establishes, maintains, and synchronizes the interaction between communicating systems. a. network b. transport c. session d. presentation

Last Answer : c. session

Description : The ____ layer is the network dialog controller. a. network b. transport c. session d. presentation

Last Answer : c. session

Description : User datagram protocol is called connectionless because _____________ a. all UDP packets are treated independently by transport layer b. it sends data as a stream of related packets c. it is received ... order d. it sends data very quickly Answer: Option(a) 4. Transmission control protocol ____

Last Answer : a. all UDP packets are treated independently by transport layer

Description : The client code recognizes the SSL request and establishes a connection through TCP port ____ to the SSL code on the server A. 1023 B. 402 C. 443 D. 8080

Last Answer : C. 443

Description : The ____ namespace is based on a hierarchical and logical tree structure A. DNS B. Address C. table D. both a and b

Last Answer : A. DNS

Description : The sender SMTP establishes a TCP connection with the destination SMTP and then waits for the server to send a ____ Service ready message.. A. 420 B. 320 C. 220 D. 120

Last Answer : C. 220

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 : Figure out the odd statement about ceramics in the following (a) Good insulators of heat and electricity (b) Usually less desire than metals (c) Ductile in nature (d) Contains both metallic and nonmetallic elements  

Last Answer : (c) Ductile in nature

Description : A small or intelligent device is so called because it contains within it a a. Computer b. Microcomputer c. Programmable d. Sensor

Last Answer : Sensor

Description : The system unit of a personal computer typically contains all of the following except: a. Microprocessor b. Disk controller c. Serial interface d. Modem

Last Answer : Modem

Description : A floppy disk contains a. Circular tracks only b. Sectors only c. Both circular tracks and sectors d. All of the above

Last Answer : Both circular tracks and sectors

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 : In the Ethernet frame, the_______field contains error detection information. A) CRC B) preamble C) address D) none of the above

Last Answer : CRC

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 : A _______routingtable contains information entered manually. A) static B) dynamic C) hierarchical D) none of the above

Last Answer : static

Description : Suppose transmission rate of a channel is 32 kbps. If there are ‘8’ routes from source to destination and each packet p contains 8000 bits. Total end to end delay in sending packet P is _____. a. 2 sec b. 3 sec c. 4 sec d. 1 sec

Last Answer : a. 2 sec

Description : The network layer contains which hardware device? a. Routers, Bridges b. Bridges only c. Bridges and switches d. Routers, Bridges and Switches

Last Answer : d. Routers, Bridges and Switches

Description : A subset of a network that includes all the routers but contains no loops is called ________ a. spanning tree b. spider structure c. spider tree d. special tree

Last Answer : a. spanning tree

Description : Which of the following is not correct in relation to multi-destination routing? a. is same as broadcast routing b. contains the list of all destinations c. data is not sent by packets d. there are multiple receivers

Last Answer : c. data is not sent by packets

Description : In virtual circuit network each packet contains ___________ a. full source and destination address b. a short VC number c. only source address d. only destination address

Last Answer : b. a short VC number

Description : Header of a frame generally contains a. synchronization bytes b. addresses c. frame identifier d. all of the mentioned

Last Answer : d. all of the mentioned

Description : Connector RJ-45 contains? a. Two pins b. Four pins c. Eight pins d. Ten pins

Last Answer : c. Eight pins

Description : The subset of a network that includes all the routers but contains no loops is called ________ A. spanning tree B. spider structure C. spider tree D. special tree

Last Answer : A. spanning tree

Description : One subset of a network that includes all the routers but contains no loops is called ________ A. spanning tree B. spider structure C. spider tree D. special tree

Last Answer : A. spanning tree

Description : In virtual circuit network each packet contains ___________ A. full source and destination address B. a short VC number C. only source address D. only destination address

Last Answer : B. a short VC number

Description : The main circuit in a PSN generator is ____.

Last Answer : Shift register

Description : Inside the ____ is a gas generator containing a mixture of NaN3 (Sodium Azide), KNO3 (Potassium Nitrate) and SiO2 (Silicon Dioxide). When the undesired event happens, an electric circuit is ... chemical reactions generate nitrogen gas that fills ____ in 20 to 30 milliseconds. Fill up the blank

Last Answer : Air-bags in automobiles.

Description : Muscle fibre is a ____ as the sarcoplasm contains many nuclei.

Last Answer : Muscle fibre is a ____ as the sarcoplasm contains many nuclei.