Related Questions

When two computers communicate with each other, they send information back and forth. If they are separated by a reasonable distance, they can send and receive the information through a direct cable connection which is called a null-modem connection. Presently what is the maximum distance in metres permitted in this null-modem connection?
ক 80
খ 100
গ 30
ঘ 150
ঙ None of the above
______ provides a connection oriented reliable service for sending message-
ক TCP
খ IP
গ UDP
ঘ None of these
What is the name given to the exchange of control signals which is necessary for establishing a connection between a modem and a computer at one end of a line and another modem and computer at the other end?
ক Handshaking
খ Modem options
গ Protocol
ঘ Duplexing
ঙ None of the above
কোনো খেলার সরাসরি সম্প্রচারের ডেটা ট্রান্সমিট হবার প্রক্রিয়া- (i) Broadcast Transmission (ii) Duplex Transmission (iii) Simplex Mode Transmission নিচের কোনটি সঠিক?
ক i ও ii
খ i ও iii
গ ii ও iii
ঘ i ii ও iii
A survey was conducted among the students of Khulna University to find out how many forms of physical exercise usually swam, 25% said they usually did jogging, 20% said they played cricket, 15% said they usually played football and 20 respondents said they did not take any form of exercise. From the above findings it can be concluded that.
ক The student of khulna University do not usually take physical exercise.
খ No respondent took more than one form of exercise.
গ The method of data collection was not valid.
ঘ Some of the respondents took more than one form of exercise.
Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?
ক Paperless office
খ Electronic mail
গ Global network
ঘ Electronic newspaper
ঙ None of the above
You need to configure a router for a Frame Relay connection to a non-Cisco router. Which of the following commands will prepare the WAN interface of the router for this connection?
ক Router (config-if) #encapsulation frame-relay q933a
খ Router (config - if) #encapsulation frame-relay ansi
গ Router (config - if) #encapsulation frame-relay ietf
ঘ Router (config - if) #encapsulation frame-relay cisco
Who is the vice among following is used for sending digital data over a phone line?
ক Usb
খ Modem
গ Scanner
ঘ Printer
Which device among following is used for sending digital data over a phone line?
ক USB
খ Modem
গ Scanner
ঘ Printer
When sending an e-mail, the _____ line describes the contents of the message.
ক To
খ Subject
গ Contents
ঘ CC
ঙ None of these

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