All Free Software Engineering MCQs with Answers

Every Software Engineering question in the bank, across all chapters, each with the correct answer and a written explanation. Free and unlimited, with no account needed.

1,731 questions · page 84 of 87

  • A. port
  • B. pipe
  • C. node
  • D. none of these

Explanation: A TCP port identifies a transport service access point on a host, allowing TCP to deliver data to the correct application.

Correct answer: port
  • A. user datagram protocol
  • B. broader gateway protocol
  • C. transmission control protocol
  • D. none of these

Explanation: Traditional HTTP uses TCP to create a reliable connection to the server's port, commonly port 80 for HTTP.

Correct answer: transmission control protocol
  • A. domain name system
  • B. routing information protocol
  • C. network time protocol
  • D. internet relay chat

Explanation: The Domain Name System, or DNS, resolves human-readable domain and host names into IP addresses.

Correct answer: domain name system
  • A. prior network
  • B. chief network
  • C. prime network
  • D. overlay network

Explanation: An overlay network is built logically on top of an existing underlying network and uses that network to carry its traffic.

Correct answer: overlay network
  • A. connection oriented protocol
  • B. uses a three way handshake to establish a connection
  • C. recievs data from application as a single stream
  • D. all of these

Explanation: TCP is connection-oriented, establishes the connection through a three-way handshake, and presents application data as a reliable ordered…

Correct answer: all of these
  • A. HTTP
  • B. FTP
  • C. Telnet
  • D. None of these

Explanation: Telnet provides interactive remote login, allowing a user to connect to another host and send keystrokes to it.

Correct answer: Telnet
  • A. Loss-tolerant application
  • B. Bandwidth-sensitive application
  • C. Elastic application
  • D. None of these

Explanation: E-mail is an elastic application because it can tolerate variable delay and bandwidth and does not require a continuous fixed-rate…

Correct answer: Elastic application
  • A. Keyboard
  • B. Mouse
  • C. Joystick
  • D. Track ball

Explanation: The mouse is the standard pointing device in a graphical user environment because it controls the on-screen pointer and supports selection…

Correct answer: Mouse
  • A. network layer
  • B. physical layer
  • C. transport layer
  • D. application layer

Explanation: The data link layer receives packets from the network layer and adds its own header and trailer to form frames.

Correct answer: network layer
  • A. sectioned
  • B. partitioned
  • C. inter-sectioned
  • D. deleted

Explanation: A hard disk is first divided into logical sections called partitions, and each partition can then be formatted with a file system.

Correct answer: partitioned
  • A. broadcast network
  • B. unicast network
  • C. multicast network
  • D. none of the mentioned

Explanation: In a broadcast network, all machines share the same communication channel and transmitted data can be received by every connected machine.

Correct answer: broadcast network
  • A. Database
  • B. DBMS
  • C. Data entry
  • D. Data processor

Explanation: A digital device that accepts, manipulates, and produces data is called a data processor in these options.

Correct answer: Data processor
  • A. control bus
  • B. parity unit
  • C. control unit
  • D. semiconductor

Explanation: Semiconductors are the materials used to manufacture integrated circuits and computer chips because their electrical conductivity can be…

Correct answer: semiconductor
  • A. bit-by-bit delivery
  • B. process to process delivery
  • C. application to application delivery
  • D. none of these

Explanation: The physical layer transmits raw bits over a medium, so its delivery is described as bit-by-bit.

Correct answer: bit-by-bit delivery
  • A. individual
  • B. department
  • C. company
  • D. city

Explanation: A personal computer is intended primarily for one user, unlike larger systems designed to serve a department, company, or city.

Correct answer: individual
  • A. line coding
  • B. channel coding
  • C. modulation
  • D. all of these

Explanation: The physical layer converts bits into signals using techniques such as line coding and modulation, and it can also apply channel coding…

Correct answer: all of these
  • A. objects
  • B. data
  • C. ideas
  • D. facts

Explanation: In basic computer terminology, input supplied to a computer is called data, which may later be processed into meaningful information.

Correct answer: data
  • A. Clip art
  • B. Highlight
  • C. Fetch
  • D. Decode

Explanation: Dragging the pointer across text while selecting it causes the text to be highlighted, usually by displaying it with a contrasting…

Correct answer: Highlight
  • A. personal area network
  • B. local area network
  • C. virtual private network
  • D. none of the mentioned

Explanation: Bluetooth creates a short-range network around an individual, such as between a phone, headset, and laptop, so it is a personal area…

Correct answer: personal area network
  • A. File transfer
  • B. File download
  • C. E-mail
  • D. Internet telephony

Explanation: Internet telephony is time-sensitive because voice packets must arrive quickly and in order for conversation to remain understandable.

Correct answer: Internet telephony