Free Web and Mobile Development MCQs with Answers

• A. physical signalling sublayer
• B. physical data sublayer
• C. physical address sublayer
• D. none of these

Explanation: The physical signaling sublayer, or PLS, is the part of the physical layer that interfaces upward with the MAC sublayer.

• A. HTTP protocol
• B. FTP protocol
• C. SMTP protocol
• D. None of these

Explanation: HTTP is the application-layer protocol used to request and transfer web pages between a browser and a web server.

• A. Diameter
• B. Beam Width
• C. Foot Print
• D. Circular Polarisation

Explanation: A satellite beam's footprint is the geographical area on Earth's surface covered by that beam.

• A. application layer
• B. transport layer
• C. network layer
• D. none of the above

Explanation: HTTP operates at the application layer and carries web requests and responses between clients and servers.

• A. @
• B. *
• C. &
• D. #

Explanation: A DNS wildcard name uses an asterisk as its leftmost label, such as *.example.com, to match otherwise undefined subdomains.

• A. Search Engines
• B. Information Locators
• C. Data Engines
• D. Information Engines

Explanation: Search engines crawl, index, and retrieve web pages in response to user queries.

• A. Mbps
• B. Gbps
• C. Cps
• D. Kbps

Explanation: Gbps means gigabits per second, which is a higher rate than Mbps or Kbps; cps means characters per second and is not normally used for the…

• A. vector
• B. bitmap
• C. either vector or bitmap
• D. neither vector nor bitmap

Explanation: Bitmap graphics store an image as a grid of individual pixels, which is how photographs and scanned images are normally represented.

• A. Euronet
• B. Star network
• C. a single server
• D. none of these

Explanation: Euronet was a European packet-switched data network sponsored by the Commission of the European Economic Community and became operational…

• A. application to application communication
• B. process to process communication
• C. node to node communication
• D. all of these

Explanation: The transport layer provides process-to-process communication by using mechanisms such as port numbers to identify applications.

• A. Broadband
• B. Slow
• C. Remote
• D. Wireless

Explanation: DSL provides an always-on high-speed internet connection and is therefore classified as broadband.

• A. multiple HTTP requests are sent on a single TCP connection without waiting for the corresponding responses
• B. multiple HTTP requests can not be sent on a single TCP connection
• C. multiple HTTP requests are sent in a queue on a single TCP connection
• D. none of these

Explanation: HTTP pipelining allows several requests to travel over one TCP connection before the earlier responses arrive.

• A. hyperlink
• B. url
• C. plugin
• D. none of the above

Explanation: A hyperlink is clickable text, an icon, or an image that points to another webpage or resource.

• A. user datagram protocol
• B. transmission control protocol
• C. stream control transmission protocol
• D. datagram congestion control protocol

Explanation: FTP uses TCP because file transfers require reliable, ordered delivery and connection management.

• A. Home
• B. Page up
• C. Enter
• D. None of these

Explanation: The Home key moves the cursor to the beginning of the current text line. Page Up moves upward by a screenful, while Enter starts a new line.

• A. Mouse, Keyboard and Monitor
• B. Mouse, Keyboard and Printer
• C. Mouse, Keyboard and Plotter
• D. Mouse, Keyboard and Scanner

Explanation: A mouse, keyboard, and scanner all send data into the computer, so they are input devices.

• A. Drag mouse while holding button down
• B. Click mouse once
• C. Roll mouse around
• D. Roll and then click mouse

Explanation: Holding the mouse button and dragging across the word selects or highlights the text.

• A. An ASCII code
• B. A magnetic tape
• C. An OCR scanner
• D. A bar code

Explanation: A bar code stores information as a pattern of bars or lines that an optical reader can scan.

• A. media gateway protocol
• B. dynamic host configuration protocol
• C. resource reservation protocol
• D. session initiation protocol

Explanation: RSVP is a resource-reservation signaling protocol associated with the network or transport-control functions, not an application-layer…

• A. is same every time whenever it displays
• B. generates on demand by a program or a request from browser
• C. both A and B
• D. none of the above

Explanation: A dynamic page is generated or customized when requested, often using server-side code, database data, or browser input.