Computer Science Test 5 Nddc Scholarship
Computer Science Test 5 Nddc Scholarship
Question 41
When sending an e-mail message, it is acceptable to include spaces within the e-mail address.
Email addresses follow strict syntax rules that do not allow for spaces. An address consists of a local part, the '@' symbol, and a domain name (e.g., user@example.com). Including a space would cause the mail server to fail to recognize the address, leading to a delivery error.
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Question 42
Which of the following is NOT a recognized type of network server?
While 'file,' 'print,' and 'mail' are standard server roles defined by the specific service they provide to clients, 'disc server' is not a standard industry term. Storage-related servers are generally referred to as File Servers or Network Attached Storage (NAS) devices.
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Question 43
IPv4 addresses are typically written as __________, with each set separated by dots or a decimal point.
A standard IPv4 address is composed of four decimal numbers (octets) ranging from 0 to 255. For example, 192.168.1.1. In binary, this represents a 32-bit address, but the 'dotted-decimal' notation makes it much easier for humans to read, remember, and configure in network settings.
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Question 44
On a computer network, software licenses must generally be obtained for:
To comply with copyright laws and 'End User License Agreements' (EULA), an organization must ensure they have a valid license for every concurrent instance of the software. This can be handled via per-seat licenses, where every machine has a license, or concurrent-use licenses, which limit how many people can open the program simultaneously across the network.
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Question 45
When you save data to a shared network drive, the physical location where your file is stored is typically a:
A file server is a high-capacity computer dedicated to storing and managing files for all users on a network. Instead of keeping files on a local hard drive where others cannot see them, saving to a file server allows for centralized backups, shared access among colleagues, and better data security.
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Question 46
What is the primary security function of Network Address Translation (NAT)?
NAT allows a router to act as an intermediary between a local private network and the public internet. It maps multiple private (internal) IP addresses to a single public IP address. This effectively 'hides' the internal structure of the network from outside observers, making it much harder for hackers to target individual computers directly.
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Question 47
Which of the following network types best describes the global scale of the Internet?
The Internet is the world's largest Wide Area Network (WAN). While a LAN covers a room or building and a MAN covers a city, a WAN connects smaller networks across vast geographical distances—countries and continents—using various technologies like satellite links, fiber optics, and undersea cables.
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Question 48
What is the general term for saving a website address so that you can return to it easily in the future? (In Internet Explorer, this was specifically called 'Favorites'.)
A 'bookmark' is a saved shortcut to a specific web page. Most modern browsers allow users to organize these into folders or a toolbar. This saves the user from having to remember complex URLs or search for the same site repeatedly, providing a quick 'one-click' way to navigate to preferred destinations.
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Question 49
In networking, __________ is defined as the 'grammar' or standardized language that computers use to talk to each other.
A network protocol is a formal set of rules that defines how data is formatted, transmitted, and received. Just as two humans must speak the same language to understand each other, two computers must use the same protocol (like TCP/IP or HTTP) to ensure that the packets of data they exchange are interpreted correctly.
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Question 50
Netiquette refers to the code of conduct for appropriate online behavior. Which of the following is an example of POOR netiquette?
'Flaming' (sending angry, insulting, or derogatory messages) is never considered good netiquette. Proper online behavior includes being respectful, keeping messages concise, avoiding typing in ALL CAPS (which is seen as 'shouting'), and checking for existing answers in FAQs before asking a question that has already been addressed.
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