Computer Web Technologies Multiple Choice Questions Answers designed to test your knowledge of the fundamental principles and concepts that underlie the world of web development and design. Whether you’re a beginner looking to solidify your understanding or a seasoned professional aiming to stay sharp, these MCQs cover a wide range of topics, from HTML and CSS to web technologies and best practices. Challenge yourself and expand your expertise in the dynamic and ever-evolving field of web fundamentals with these thought-provoking questions.These MCQs will help students in university exams,competitive exams and interviews preparation.
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1. The packets of an internet message
- take a predetermined path
- take a path based on packet priority
- go along different paths based on path availability
- take the shortest path from source to destination
Yes, the packets of an internet message can go along different paths based on path availability. This is one of the key features of packet switching in the Internet Protocol (IP) network.
When packets are transmitted across the internet, they can take different routes to reach the destination. The routing decisions are typically made by routers based on various factors such as network congestion, availability of network links, and the most efficient path at a given time.
Packet switching allows for dynamic routing, where routers can make real-time decisions on the best available path for each packet. This flexibility enables the internet to adapt to changes in network conditions and efficiently utilize available network resources.
If a particular path becomes congested or unavailable, routers can reroute packets along alternative paths to ensure their timely delivery. This ability to dynamically distribute traffic across different paths helps to improve network reliability, resilience, and overall performance.
Therefore, packets of an internet message can indeed go along different paths based on path availability and routing decisions made by routers in the network.
2. The domain 121.24.34.12.in-addr.arpa is a(n) _______ domain.
- generic
- country
- inverse
- none of the above
The domain "121.24.34.12.in-addr.arpa" is a reverse domain or reverse DNS (Domain Name System) domain. It is used in the reverse mapping of IP addresses to domain names.
In the standard DNS system, domain names are mapped to IP addresses. However, in reverse DNS, the process is reversed. Reverse DNS is often used for security purposes, email validation, and various other applications.
The format of the reverse domain follows the IP address in reverse order, with the ".in-addr.arpa" suffix. Each segment of the IP address is separated by dots and appended with ".in-addr.arpa."
In the given example, "121.24.34.12.in-addr.arpa" represents the reverse DNS domain for the IP address 12.34.24.121. It is used to map that IP address to a domain name or provide other related information through reverse DNS lookups.
3. Advantages of B2C commerce are (i) Business gets a wide reach to customers (ii) Payment for services easy (iii) Shop can be open 24 hours a day seven days a week (iv) Privacy of transaction always maintained
- i and ii
- ii and iii
- i and iii
- All of the Above
All of the provided options are advantages of B2C (business-to-consumer) commerce. Let's go through each one:
(i) Business gets a wide reach to customers: B2C commerce allows businesses to reach a large number of customers geographically dispersed. Through online platforms and websites, businesses can target and connect with a broader audience, expanding their customer base.
(ii) Payment for services is easy: B2C commerce typically provides various convenient payment options for customers, such as credit/debit card payments, digital wallets, and online banking transfers. This simplifies the payment process and enhances customer convenience.
(iii) Shop can be open 24 hours a day, seven days a week: With B2C commerce, online stores can remain operational 24/7, allowing customers to browse, shop, and make purchases at any time. This flexibility enables businesses to capture sales opportunities around the clock and cater to customers in different time zones.
(iv) Privacy of transaction is always maintained: B2C commerce platforms prioritize the security and privacy of customer transactions. Encryption techniques and secure protocols are implemented to protect sensitive customer information, ensuring that privacy is maintained throughout the transaction process.
Therefore, all of the mentioned options (i) Business gets a wide reach to customers, (ii) Payment for services is easy, (iii) Shop can be open 24 hours a day, seven days a week, and (iv) Privacy of transaction always maintained, are advantages of B2C commerce.
4. The time taken by internet packets
- can be predetermined before transmission
- may be different for different packets
- is irrelevant for audio packets
The time taken by internet packets can be relevant for audio packets, especially in real-time applications such as voice over IP (VoIP) or streaming audio. In these applications, maintaining low latency is crucial to ensure a smooth and uninterrupted audio experience.
When transmitting audio packets over the internet, delays in packet delivery can result in audio artifacts such as delays, jitter, or loss of audio quality. The time taken by packets to reach their destination, known as packet latency, directly impacts the real-time nature of audio communication.
To achieve optimal audio quality, techniques such as packet prioritization, quality of service (QoS) mechanisms, and buffering may be employed to minimize packet latency and ensure timely delivery of audio packets.
In summary, the time taken by internet packets can have a significant impact on the quality of audio packets, especially in real-time applications. Minimizing packet latency is important to maintain a smooth and uninterrupted audio experience.
5. The general client-server program in the Internet is _________
- FTP
- TFTP
- TELNET
- none of the above
TELNET is a network protocol that provides a client-server architecture for remote terminal access and communication. It allows a user on one computer (the TELNET client) to connect to and access a remote computer or server (the TELNET server) over a network.
The TELNET client program establishes a connection with the TELNET server using the TELNET protocol. Once the connection is established, the client can send commands and input to the server, and the server responds by sending output and data back to the client.
TELNET was widely used in the early days of the internet to enable remote login and command-line access to remote systems. It provides a text-based interface that allows users to interact with the remote server as if they were directly connected to it through a terminal.
It is worth noting that TELNET operates at the application layer of the TCP/IP protocol suite and has been largely replaced by more secure protocols such as SSH (Secure Shell) for remote access due to security concerns.
To summarize, TELNET is a client-server protocol used for remote terminal access and communication, allowing a user to connect to a remote server and interact with it through a text-based interface.
Learn more about : What is TELNET?
6. B2C commerce
- includes services such as legal advice
- means only shopping for physical goods
- means only customers should approach customers to sell
- means only customers should approach business to buy
Yes, B2C (business-to-consumer) commerce can include services such as legal advice. B2C commerce encompasses a wide range of transactions between businesses and individual consumers, and it is not limited to the sale of physical products.
In addition to tangible goods, B2C commerce can involve the provision of various services, including but not limited to legal advice, consulting, financial services, healthcare services, education, entertainment, and more.
For example, there are online platforms and websites where consumers can seek legal advice from qualified professionals, engage in consultations, and receive guidance on legal matters. These platforms facilitate the B2C exchange of legal services.
Therefore, B2C commerce is not restricted to physical products, and it can indeed include services such as legal advice as part of the offerings available to consumers.
7. By an intranet we mean
- a LAN of an organization
- a Wide Area Network connecting all branches of an organization
- a corporate computer network
- a network connecting all computers of an organization and using the internet protocol
8. The TELNET client uses a ________driver, while the TELNET server uses a _______ driver
- terminal; pseudoterminal
- pseudoterminal; terminal
- TELNET
- none of the above
The TELNET client uses a "terminal driver" or "terminal emulation driver," while the TELNET server uses a pseudoterminal (pty) or pseudo-terminal driver.
When a user interacts with a TELNET client program, the terminal driver is responsible for translating the user's keyboard input and displaying output on the user's terminal or screen. It handles tasks such as converting keystrokes into network-friendly representations and interpreting received data to display it in a readable format.
On the other hand, the TELNET server receives incoming connections from TELNET clients and interacts with them. The server uses a network driver or network interface driver to handle lower-level networking tasks such as sending and receiving data over the network, managing network connections, and routing data between the client and server.
In summary, the TELNET client relies on a terminal driver for local input and output, while the TELNET server utilizes a network driver to handle networking-related tasks.
A pseudoterminal is a software emulation of a terminal device. In the case of a TELNET server, the pseudoterminal driver is responsible for emulating the terminal interface on the server-side, allowing the server to interact with the TELNET client as if it were a physical terminal.
The TELNET server uses the pseudoterminal driver to handle the translation of data between the network connection and the terminal interface. It manages input/output from the TELNET client, converts the data into a suitable format for the server's applications, and handles terminal-specific features and settings.
Therefore, to clarify, the TELNET server uses a pseudoterminal (pty) driver to emulate the terminal interface and interact with the TELNET client.
9. Advantages of B2C commerce to customers are (i) wide variety of goods can be accessed and comparative prices can be found (ii) shopping can be done at any time (iii) privacy of transactions can be guaranteed (iv) security of transactions can be guaranteed
- i and ii
- ii and iii
- iii and iv
- All of Above options
All of the provided options are advantages of B2C (business-to-consumer) commerce to customers. Let's go through each one:
(i) Wide variety of goods can be accessed and comparative prices can be found: B2C commerce provides customers with access to a wide range of goods and products from various sellers and retailers. Online platforms allow customers to explore different options, compare prices, read reviews, and make informed purchasing decisions.
(ii) Shopping can be done at any time: B2C commerce operates 24/7, allowing customers to shop at their convenience. Online stores are accessible anytime, allowing customers to browse and make purchases whenever it suits them, without being restricted by traditional brick-and-mortar store hours.
(iii) Privacy of transactions can be guaranteed: B2C commerce platforms prioritize the security and privacy of customer transactions. Encryption techniques and secure protocols are implemented to protect sensitive customer information and ensure that privacy is maintained during the transaction process.
(iv) Security of transactions can be guaranteed: B2C commerce platforms often incorporate secure payment gateways and robust security measures to ensure the safety of customer transactions. Secure sockets layer (SSL) encryption and other security technologies help protect customer data and provide a secure environment for financial transactions.
Therefore, all of the mentioned options, (i) wide variety of goods can be accessed and comparative prices can be found, (ii) shopping can be done at any time, (iii) privacy of transactions can be guaranteed, and (iv) security of transactions can be guaranteed, are advantages of B2C commerce to customers.
10. The FTP establishes _________ connection(s).
- one
- two
- three
- none of the above
The File Transfer Protocol (FTP) establishes two connections during a session: a control connection and a data connection.
1. Control Connection: The control connection is the primary connection established between the FTP client and the FTP server. It is used for sending commands, responses, and control information between the client and server. The control connection remains open throughout the FTP session and is responsible for managing the session's control flow.
2. Data Connection: The data connection is established separately from the control connection and is used for transferring actual data, such as files or directory listings. The data connection is dynamically created and terminated for each data transfer operation. There can be multiple data connections established during an FTP session, depending on the number of data transfers being performed.
The control connection handles commands and responses related to authentication, navigation, and control of the FTP session, while the data connection is responsible for the actual transfer of files or directory information.
In summary, FTP establishes both a control connection and one or more data connections to facilitate the transfer of files and manage the FTP session.
