Computer Science Test 5 Nddc Scholarship
Computer Science Test 5 Nddc Scholarship
Question 51
A network of computers located within a single office complex or building is best described as a:
A Local Area Network (LAN) connects devices over a small physical area. This setup allows employees in an office to share high-speed data, printers, and internet connections. LANs are typically owned and managed by a single person or organization and offer much higher data transfer speeds than WANs.
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Question 52
A primary benefit of shopping on the Internet is that it allows the user to:
E-commerce provides the convenience of 24/7 shopping from any location. Users can browse global inventories, compare prices instantly, and have items delivered directly to their doorstep, eliminating the need for physical travel to a brick-and-mortar store.
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Question 53
Computers in a school are best connected together on a:
A computer network allows multiple devices to communicate and share resources. In a school setting, this enables students and teachers to share files, access a common internet connection, and use shared printers, regardless of which specific room they are in.
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Question 54
In computer networking, NAT is an abbreviation for __________
Network Address Translation (NAT) is a method of remapping one IP address space into another by modifying network address information in the IP header of packets. It is most commonly used to allow multiple devices on a private local network to share a single public IP address provided by an ISP.
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Question 55
When sending an attached file via email, it is considered good practice to keep the file size small.
Keeping attachments small is a matter of 'netiquette' and technical necessity. Large files can take a long time to upload and download, fill up the recipient's inbox quota, or even be rejected by mail servers that have strict size limits (often 20-25MB).
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Question 56
What are static IP addresses?
A static IP address is a fixed, permanent numerical label assigned to a computer or device. Unlike dynamic addresses, which change every time you connect to the internet, a static IP remains the same. This is essential for devices that need to be consistently reachable, such as web servers or game servers.
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Question 57
DSL is an acronym for:
Digital Subscriber Line (DSL) is a technology used to transmit digital data over the copper wires of a standard local telephone network. It provides high-speed internet access while allowing the telephone line to be used for voice calls at the same time.
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Question 58
The interconnection of computers for the purpose of information and resource sharing is known as a:
A computer network consists of two or more computers linked together to share resources (such as printers and CDs), exchange files, or allow electronic communications. The computers on a network may be linked through cables, telephone lines, radio waves, satellites, or infrared light beams.
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Question 59
The largest computer network in the world is known as the:
The Internet is a global system of interconnected computer networks that use the standard Internet Protocol suite (TCP/IP) to link several billion devices worldwide. It is essentially a 'network of networks' that consists of millions of private, public, academic, business, and government networks.
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Question 60
The process of sending data from your local computer to a remote computer or server is also called:
Uploading is the transmission of a file from a one computer system to another, usually larger or more central system. From a user's point of view, to upload is to send a file to a network that is set up to receive it.
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