1.
How many bits are in a megabit?
Correct Answer
A. 1024*1024
Explanation
A megabit is a unit of digital information that consists of 1,048,576 bits. This is calculated by multiplying 1024 (representing the number of bits in a kilobyte) by 1024 (representing the number of kilobytes in a megabyte). Therefore, the correct answer is 1024*1024.
2.
Which of the following is a common internet access technology for U.S. homes?
Correct Answer
C. DSL
Explanation
DSL (Digital Subscriber Line) is a common internet access technology for U.S. homes. It uses existing telephone lines to provide high-speed internet access. DSL allows for simultaneous internet and phone usage, and it offers faster speeds than traditional dial-up connections. This technology is widely available and affordable, making it a popular choice for residential internet connections in the United States.
3.
A logical address in an TCP/IP network is also known as what?
Correct Answer
D. IP Address
Explanation
A logical address in a TCP/IP network is commonly referred to as an IP address. This address is used to identify and locate devices within a network, allowing for communication and data transfer between them. The IP address consists of a series of numbers separated by periods, which uniquely identifies each device connected to the network. It plays a crucial role in routing and delivering data packets across the internet. The other options, such as Hardware Address, MAC Address, and Host Location, do not accurately represent the concept of a logical address in a TCP/IP network.
4.
Which of these is a term used for an electronic device connected to a network?
Correct Answer
D. Node
Explanation
A node is a term used for an electronic device connected to a network. It can be a computer, printer, or any other device that is part of a network. Nodes communicate with each other to share data and resources. LAN, WAN, and Web are also network-related terms, but they do not specifically refer to individual devices connected to a network like a node does.
5.
In computer terms, what does "LLC" stand for?
Correct Answer
A. Logical Link Control
Explanation
LLC stands for Logical Link Control. In computer terms, LLC is a sublayer of the Data Link Layer in the OSI model. It is responsible for managing the flow of data between network devices, error checking, and ensuring reliable transmission of data. The Logical Link Control sublayer is commonly used in protocols such as Ethernet and Token Ring.
6.
What is Novell Netware?
Correct Answer
D. Network Operating System
Explanation
Novell Netware is a network operating system. It was developed by Novell Inc. and was widely used in the 1980s and 1990s. It allowed multiple computers to be connected and share resources, such as files and printers, in a networked environment. Netware provided features like file and print services, directory services, and security mechanisms. It was known for its stability and performance, making it a popular choice for businesses and organizations.
7.
A T-1 connection can theoretically deliver information at up to how many megabits per second?
Correct Answer
A. 1.544
Explanation
A T-1 connection can theoretically deliver information at up to 1.544 megabits per second. This is the standard transmission rate for a T-1 line, which is commonly used for high-speed internet connections and telecommunications.
8.
What kind of interface does "ACGI" signify?
Correct Answer
D. Asynchronous Common Gateway
Explanation
ACGI signifies Asynchronous Common Gateway. ACGI is a programming interface that allows communication between web servers and applications. It is used to develop dynamic web applications and enables asynchronous processing, meaning that multiple requests can be handled simultaneously without blocking the execution of other tasks. This allows for efficient and responsive web applications.
9.
What does ISDN stand for?
Correct Answer
C. Integrated Services Digital Network
Explanation
ISDN stands for Integrated Services Digital Network. This is a telecommunications network that allows the transmission of voice, data, video, and other network services over traditional telephone lines. It provides a digital connection, enabling faster and more reliable communication compared to analog systems. ISDN is commonly used for services such as video conferencing, internet access, and digital telephone lines.
10.
Which protocol is used for accessing newsgroups?
Correct Answer
A. NNTP
Explanation
NNTP (Network News Transfer Protocol) is the correct answer. NNTP is specifically designed for accessing and reading newsgroups, which are online discussion forums where users can post and read messages on various topics. SMTP (Simple Mail Transfer Protocol) is used for sending and receiving email. FTP (File Transfer Protocol) is used for transferring files between computers. POP3 (Post Office Protocol version 3) is used for retrieving email from a mail server. Therefore, NNTP is the most appropriate protocol for accessing newsgroups.
11.
What does the acronym "UUCP" stand for?
Correct Answer
B. Unix To Unix Copy Protocol
Explanation
The correct answer is "Unix To Unix Copy Protocol." UUCP is a protocol used for transferring files between Unix systems over a network. It allows for the copying of files and email exchange between different Unix machines. The acronym accurately reflects the purpose and functionality of the protocol.
12.
Which city had the first commercial cell phone service available?
Correct Answer
B. Tokyo
Explanation
Tokyo had the first commercial cell phone service available. This means that Tokyo was the first city to offer cell phone services to the general public for commercial use.
13.
What does "PCS" stand for?
Correct Answer
D. Personal Communications Service
Explanation
PCS stands for Personal Communications Service. This term refers to a wireless telecommunications service that provides voice and data communication services to individuals. It is a broad term that encompasses various technologies and services, including mobile phones, pagers, and wireless internet access. The term "Personal" emphasizes the individual nature of the service, while "Communications" refers to the transmission of information. "Service" indicates that it is a commercial offering provided by telecommunication companies.
14.
In computer terminology, what does the acronym "DLL" stand for?
Correct Answer
C. Dynamic Link Library
Explanation
DLL stands for Dynamic Link Library. In computer terminology, a DLL is a file that contains a set of functions and data that can be used by multiple programs simultaneously. It allows programs to share resources and code, reducing the need for duplicate code and saving memory space. DLLs are commonly used in Windows operating systems to provide functionality that can be accessed by multiple applications.
15.
What is the measure of how frequently sound changes on a phone line?
Correct Answer
B. Baud
Explanation
Baud is the measure of how frequently sound changes on a phone line. It represents the number of signal changes per second in a communication channel. The higher the baud rate, the more frequently the sound changes, allowing for faster and more efficient transmission of data over the phone line.