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

1 Answer

Answer :

p-persistent

Related questions

Description : Inthe _________ method, after the station finds the lineidle, it sends its frame immediately. If the line isnot idle, it continuously senses theline until it finds it idle. A) nonpersistent B) 1-persistent C) p-persistent D) none of the above

Last Answer : 1-persistent

Description : Inthe ________method, a stationthat has a frame tosend senses the line. If the line is idle, it sends immediately. If theline is not idle, it waits a random amount of time and then senses the line again. A) nonpersistent B) 1-persistent C) p-persistent D) none of the above

Last Answer : nonpersistent

Description : In IPv6, the _______ field inthe baseheader restricts the lifetime ofa datagram. A) version B) next-header C) hoplimit D) neighbor-advertisemen

Last Answer : hoplimit

Description : Inthe _____ Protocol, the sender sends one frame, stops until it receives confirmation from the receiver, and then sends the next frame. A) Stop-and-Wait B) Simplest C) Go-Back-N ARQ D) Selective-Repeat ARQ

Last Answer : Stop-and-Wait

Description : Inthe _____ Protocol, the sender sends its frames oneafter another with noregard to the receiver. A) Stop-and-Wait B) Simplest C) Go-Back-N ARQ D) Selective-Repeat ARQ

Last Answer : Stop-and-Wait B) Simplest

Description : Inthe _________ protocol weavoid unnecessary transmissionby sending only frames that are corrupted. A) Stop-and-Wait ARQ B) Go-Back-N ARQ C) Selective-Repeat ARQ D) none of the above

Last Answer : Selective-Repeat ARQ

Description : _________control inthe datalink layer is based on automatic repeat request, which is the retransmission of data. A) Flow B) Error C) Transmission D) none of the above

Last Answer : Transmission

Description : The ____layer is responsible for the movement ofa signal across aphysical line. A) section B) line C) path D) photonic

Last Answer : section

Description : To connect a computer with a device inthe same room, you might be likely to use A. a coaxial cable B. a dedicated line C. a groundstation D. All of theabove

Last Answer : a coaxial cable

Description : To connect a computer with a device inthe same room, you might be likely to use A. a coaxial cable B. a dedicated line C. a groundstation D. All of theabove E. None of the above

Last Answer : a coaxial cable

Description : You are very busy in your personal work mean while your neighbouring retired person visits you in a relaxed and gossiping mood. In such a time how would you like to behave with that person? Options: A) ... but tell him about the time-limit D) You sit as an idle person and think of his departure

Last Answer : C) You give due honour but tell him about the time-limit 

Description : The _______ address in theheader ofa packet in adatagram network normally remains thesame during the entire journeyof the packet. A) source B) destination C) local D) none of the above

Last Answer : destination

Description : _________ media transportelectromagnetic waves without the use ofa physical conductor. A) Guided B) Unguided C) Either (a) or (b) D) None of the above

Last Answer : Unguided

Description : ______ cables arecomposed ofa glass or plastic inner core surrounded by cladding, allencasedin an outside jacket. A) Coaxial B) Fiber-optic C) Twisted-pair D) none of the above

Last Answer : Fiber-optic

Description : _____ isa digitalprocess that allows several connections to share thehighbandwidth ofa link. A) FDM B) TDM C) WDM D) None of the above

Last Answer : TDM

Description : The Nyquist theorem specifies the minimum samplingrate to be_______. A) equal to the lowest frequency of asignal B) equal to the highest frequency ofa signal C) twice thebandwidth of a signal D) twice thehighest frequencyof a signal

Last Answer : twice thehighest frequencyof a signal

Description : What is the bandwidth ofa signal that ranges from 1 MHz to4 MHz? A) 4 MHz B) 1 KHz C) 3 MHz D) none of the above

Last Answer : 3 MHz

Description : A DVD is an example ofa(n) – (A) hard disk (B) opticaldisc (C) output device (D) solid-state storage device (E) None of these

Last Answer : opticaldisc

Description : The basic unit ofa worksheet into which you enter data in Excel is called a– (A) tab (B) cell (C) box (D) range (E) None of these

Last Answer : cell

Description : To instruct Wordto fit the width ofa column to the contents ofa table automatically, click the button and then point to AutoFit Contents. (A) Fit to Form (B) Format (C) Autosize (D) Contents (E) AutoFit

Last Answer : AutoFit

Description : In mesh topology, every device has a dedicated topology of a. Point to point linking b. Both a and b c. Multipoint linking d. None of given

Last Answer : a. Point to point linking

Description : "He who is too busy doing good finds no time to be good" - Rabindranath Tagore. Comments?

Last Answer : Sounds like bullshit gobbledygook to me. Or sour grapes.

Description : Inthe _________ method, a special packet called a ______ circulates through the ring. A) reservation: control frame B) polling: poll request C) token passing: token D) none of the above

Last Answer : token passing: token

Description : A _______ can check the MAC addresses contained inthe frame. A) passive hub B) repeater C) bridge D) route

Last Answer : bridge

Description : _______ inthe data link layer separates a message from one source toa destination, or from other messages going from other sources to other destinations. A) Digitizing B) Controlling C) Framing D) none of the above

Last Answer : Framing

Description : Inthe _________Protocol, ifno acknowledgment for aframe has arrived, we resend all outstanding frames. A) Stop-and-Wait ARQ B) Go-Back-N ARQ C) Selective-Repeat ARQ D) none of the above

Last Answer : Go-Back-N ARQ

Description : In modulo-11 arithmetic, we use only the integers inthe range ______, inclusive. A) 1to 10 B) 1to 11 C) 0to 10 D) none of the above

Last Answer : 0to 10

Description : In IPv6, the _______ field inthe baseheader and thesender IP address combineto indicate aunique path identifier for aspecific flow of data. A) flow label B) nextheader C) hoplimit D) destination IP address

Last Answer : flow label

Description : n IPv4,an HLEN value ofdecimal10 means _______. A) there are 10bytes ofoptions B) there are 40bytes ofoptions C) there are 40bytes inthe header D) noneof the above

Last Answer : there are 40bytes inthe header

Description : In IPv4 header, an HLEN value of decimal 10 means_______. A) there are 10bytes ofoptions B) there are 40bytes ofoptions C) there are 10bytes inthe header D) thereare 40 bytes in the header

Last Answer : thereare 40 bytes in the header

Description : The sender is a router thathas receiveda datagram destinedfor a host on thesame network. The logical address that mustbe mapped to a physical address is ______. A) thedestination IP address in the datagram ... IP address of therouter found inthe routing table C) either a or b D) noneof the above

Last Answer : thedestination IP address in the datagram header

Description : The sender is a router thathas receiveda datagram destinedfor a host on anothernetwork. The logicaladdress that must be mapped to aphysical address is ______. A) thedestination IP address in the datagram header ... address of therouter found inthe routing table C) either a or b D) noneof the above

Last Answer : thedestination IP address in the datagram header

Description : If the sender is a host and wants tosend a packet toanotherhost on another network, the logical address that must be mapped to a physical address is ______. A) thedestination IP address in the datagram ... the IP address of therouter found inthe routing table C) either a or b D) noneof the above

Last Answer : the IP address of therouter found inthe routing table

Description : f the sender is a host and wants tosend a packet toanotherhost on the samenetwork, the logical address that must be mapped to a physical address is ______. A) thedestination IP address in the datagram ... the IP address of therouter found inthe routing table C) either a or b D) noneof the above

Last Answer : hedestination IP address in the datagram header

Description : This first step inthe transaction processing cycle captures businessdata throughvarious modes suchas optical scanning orat an electronic commerce website– (A) Document and report generation (B) Database maintenance (C) Transaction processing startup (D) Data Entry

Last Answer : Data Entry

Description : Your company has a LAN in its downtown officeandhas now set upa LAN inthe manufacturing plant inthe suburbs. Toenable everyoneto sharedata and resources between the two LANs, what type of device(s) are neededto connect them? Choose the most correct answer. A. Modem B. Cable C. Hub D. Router

Last Answer : Router

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 : While sending a signed message, a sender a. sends message key using public key encryption using DES and hashed message using public key encryption b. sends message using public key encryption ... and hashed message using DES d. sends both message and hashed message using public key encryption

Last Answer : a. sends message key using public key encryption using DES and hashed message using public key encryption  

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 ________,a station monitors the medium after it sends a frame to see if the transmission was successful. If so, the station is finished. If, however, there is a collision, the frameis sentagain. A) CSMA/CA B) CSMA/CD C) either (a)or (b) D) both (a) and (b)

Last Answer : CSMA/CD

Description : An anticipated result from multiprogramming operations is: A. reducedcomputer idle time B. the handling of more jobs C. better schedulingof work D. All of theabove E. None of the above

Last Answer : All of theabove

Description : SONET sends ________ frames per second A) 1000 B) 2000 C) 4000 D) 8000

Last Answer : 2000

Description : Frame Relay networks offer an optioncalled ______________that sends voice through the network. A) VOFR B) FRAD C) MUX D) none of the above

Last Answer : VOFR

Description : To create a neighborhood relationship,a router running BGP sends an ________ message. A) open B) update C) keepalive D) none of the above

Last Answer : open

Description : Identify the correct order in which the following actions take place in an interaction between a web browser and a web server. 1. The web browser requests a webpage using HTTP. 2. The web browser establishes a TCP connection with the web ... DNS. a. 4,2,1,3 b. 1,2,3,4 c. 4,1,2,3 d. 2,4,1,3

Last Answer : a. 4,2,1,3

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 : 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 in the same order as sent order d. it sends data very quickly

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

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 : With Slotted Aloha, a …………. sends out small clock tick packets to the outlying stations. A. distributed clock B. synchronized clock C. centralized clock D. Digital clock

Last Answer : C. centralized clock