1.
All of the following statements are true Except:
Correct Answer
B. Wireless networks are faster than wired networks.
Explanation
The given statement "Wireless networks are faster than wired networks" is incorrect. In general, wired networks tend to be faster and more reliable than wireless networks. Wired networks use physical cables to transmit data, which allows for faster and more stable connections compared to wireless networks that rely on radio waves.
2.
The system of satellites used to determine any position on the Earth is known as?
Correct Answer
C. GPS
Explanation
The correct answer is GPS. GPS stands for Global Positioning System, which is a network of satellites that orbit the Earth and provide precise location and timing information to GPS receivers on the ground. GPS is widely used for navigation, mapping, and tracking purposes, allowing users to determine their exact position anywhere on the Earth's surface.
3.
___________ refers to the quantity of data that can be transmitted through a communication medium in a given amount of time.
Correct Answer
B. Bandwidth
Explanation
Bandwidth refers to the quantity of data that can be transmitted through a communication medium in a given amount of time. It is a measure of the capacity of the medium to carry information. A higher bandwidth allows for more data to be transmitted simultaneously, resulting in faster and more efficient communication. Megahertz refers to the frequency of a signal, Ethernet is a type of network protocol, and attenuation refers to the loss of signal strength over a distance.
4.
A personal area network is possible because of the wireless technology known as?
Correct Answer
A. Bluetooth
Explanation
A personal area network is possible because of the wireless technology known as Bluetooth. Bluetooth is a short-range wireless communication technology that allows devices to connect and communicate with each other. It enables the creation of a personal area network by allowing devices such as smartphones, laptops, and tablets to connect wirelessly to peripherals like headphones, keyboards, and speakers. Bluetooth technology facilitates the transfer of data and audio between devices within close proximity, making it ideal for creating personal area networks.
5.
A_________ network is a configuration that allows every computer on the network to act as both client and server.
Correct Answer
D. Peer-to-peer
Explanation
A peer-to-peer network is a configuration that allows every computer on the network to act as both a client and a server. In this type of network, each computer can share resources and services directly with other computers without the need for a central server. This decentralized approach allows for better scalability and flexibility, as there is no single point of failure. Additionally, peer-to-peer networks are commonly used for file sharing, collaboration, and decentralized applications.
6.
New radio-based wireless standard in which a single tower can provide access to a 25-square-mile area.
Correct Answer
C. WiMAX
Explanation
WiMAX, which stands for Worldwide Interoperability for Microwave Access, is a new radio-based wireless standard that allows a single tower to provide access to a large area of 25 square miles. This technology enables high-speed internet access and data transmission over long distances, making it suitable for rural and remote areas where it may not be feasible to lay traditional wired infrastructure. WiMAX offers a cost-effective and efficient solution for delivering broadband connectivity to a wide coverage area.
7.
Every host computer on the Internet has a(n):
Correct Answer
B. Unique IP address
Explanation
Every host computer on the Internet is assigned a unique IP address. An IP address is a numerical label that identifies a device's location on a network. It serves as a unique identifier for each computer, allowing data to be sent and received between different devices on the Internet. This addressing scheme ensures that information is correctly routed to its intended destination. Therefore, every host computer must have a unique IP address to ensure proper communication and connectivity within the network.
8.
With the TCP protocol, a message is broken into___________ when it is sent on the Internet.
Correct Answer
B. Packets
Explanation
When using the TCP protocol, a message is divided into packets before being sent over the internet. These packets are small units of data that contain a portion of the original message along with necessary information such as the source and destination addresses. Dividing the message into packets allows for efficient and reliable transmission, as each packet can be individually routed and reassembled at the destination.
9.
Which of the following is a legal IP address?
Correct Answer
A. 192.168.12.15
Explanation
The correct answer is 192.168.12.15. This is a legal IP address because it follows the standard IPv4 format, which consists of four sets of numbers separated by periods. Each set of numbers must be between 0 and 255.
10.
A(n)__________ server contains look-up tables that map domain names to IP addresses.
Correct Answer
B. DNS
Explanation
A DNS server contains look-up tables that map domain names to IP addresses. DNS stands for Domain Name System, and it is responsible for translating human-readable domain names into their corresponding IP addresses. This allows users to access websites and other internet resources using easy-to-remember domain names, rather than having to remember the specific numerical IP addresses associated with each website.
11.
The following are all examples of broadband access Except:
Correct Answer
A. Dial-up
Explanation
Dial-up is not an example of broadband access because it uses a regular telephone line and operates at a much slower speed compared to broadband technologies like DSL, cable, and satellite. Dial-up connections are typically limited to a maximum speed of 56 kilobits per second (Kbps), whereas broadband connections can offer speeds ranging from several megabits per second (Mbps) to gigabits per second (Gbps).
12.
In the email address [email protected], "Bir Zeit" is the
Correct Answer
B. Host computer in an educational domain
ExplanationThe email address
[email protected] suggests that "Bir Zeit" is the host computer in an educational domain. This is because the domain name "birzeit.edu" indicates that the email address is associated with an educational institution, and "Bir Zeit" is likely the name of the specific host computer within that domain.
13.
The device or program that forwards messages between networks is known as:
Correct Answer
D. Router
Explanation
A router is a device or program that forwards messages between networks. It determines the best path for data packets to travel from one network to another based on the destination address. Routers operate at the network layer of the OSI model and can connect networks using different protocols. Unlike bridges, which connect networks at the data link layer, routers can handle multiple protocols and make intelligent routing decisions. Therefore, a router is the correct answer for the device or program that forwards messages between networks.
14.
The primary difference between LAN and WAN is:
Correct Answer
C. GeograpHical area
Explanation
LAN (Local Area Network) and WAN (Wide Area Network) differ primarily in terms of geographical area. A LAN covers a smaller area, typically within a single building or campus, while a WAN spans a larger area, often connecting multiple LANs across cities or countries. The geographical area determines the scale and reach of the network, with LANs being more localized and limited in scope, whereas WANs extend over larger distances and can connect geographically dispersed locations.
15.
Bandwidth of fast Ethernet is:
Correct Answer
B. 100 megabits per second.
Explanation
The correct answer is 100 megabits per second. Fast Ethernet has a bandwidth of 100 Mbps, which means it can transfer data at a rate of 100 million bits per second. It is important to note the distinction between megabits (Mb) and megabytes (MB), as a megabyte is eight times larger than a megabit. Therefore, the correct answer is 100 megabits per second, not 100 megabytes per second.
16.
Bandwidth of gigabyte Ethernet is:
Correct Answer
A. 1 gigabits per second.
Explanation
The correct answer is 1 gigabits per second. This is because the term "gigabyte Ethernet" refers to a type of Ethernet connection that can transfer data at a speed of 1 gigabits per second. The term "gigabyte" refers to a unit of storage capacity, while "gigabit" refers to a unit of data transfer speed. Therefore, the bandwidth of gigabyte Ethernet is measured in gigabits per second, not gigabytes per second.
17.
WAN is abbreviation for?
Correct Answer
B. Wide Area Network
Explanation
A Wide Area Network (WAN) is a network that spans a large geographical area and connects multiple local area networks (LANs) together. It is used to connect computers and devices over long distances, typically using telecommunications or internet services. The correct answer, "Wide Area Network," accurately represents the commonly used abbreviation for this type of network.
18.
LAN is abbreviation for Local Area Near?
Correct Answer
B. False
Explanation
The correct answer is False because LAN is an abbreviation for Local Area Network, not Local Area Near. A LAN is a network that connects computers and devices in a limited geographical area such as a home, office, or building. It allows for the sharing of resources, such as files and printers, among connected devices.
19.
Every computer attached to LAN is a:
Correct Answer
B. Node
Explanation
In a Local Area Network (LAN), every computer connected to it is referred to as a "node." A node can be any device such as a computer, printer, or scanner that is connected to the network. Each node in the LAN has its own unique address and can communicate with other nodes within the network. Therefore, the correct answer is "Node."
20.
The most basic computer network can be described as:
Correct Answer
B. Two or more computers that are linked together.
Explanation
The most basic computer network consists of two or more computers that are connected together. This means that these computers can communicate with each other and share resources such as files and printers. Networks can be set up in various ways, including using wired or wireless connections. The Internet, on the other hand, refers to a global network of networks that allows computers from all over the world to communicate with each other. Therefore, the correct answer is that a basic computer network is comprised of two or more linked computers.
21.
Set of rules for the exchange of data between devices:
Correct Answer
B. Protocol.
Explanation
The correct answer is "Protocol" because a protocol is a set of rules that governs the exchange of data between devices. It defines the format, timing, sequencing, and error control of data transmission. GPS is a global positioning system used for navigation, WAN (Wide Area Network) refers to a network that covers a large geographical area, and LAN (Local Area Network) refers to a network that covers a small area such as an office or a building. However, neither GPS, WAN, nor LAN specifically refer to a set of rules for data exchange between devices.
22.
Bandwidth can be affected by:
Correct Answer
D. All of the above.
Explanation
Bandwidth refers to the maximum amount of data that can be transmitted over a network in a given amount of time. It can be affected by various factors. The physical media of the network, such as cables and wireless signals, can impose limitations on the amount of data that can be transmitted. Additionally, the amount of traffic on the network can also impact the available bandwidth, as more traffic means more data to be transmitted. Furthermore, the type of network connection, such as a wired or wireless connection, can also influence the bandwidth. Therefore, all of the options mentioned (physical media, amount of traffic, and type of network connection) can affect the bandwidth.
23.
The top-level domain (.org) is
Correct Answer
C. Nonprofit organization sites
Explanation
The top-level domain (.org) is commonly associated with nonprofit organization sites. This domain is often used by organizations that are not driven by profit and are focused on serving a specific cause or mission. These sites typically provide information about the organization, its goals, and the work it does to benefit the community or society as a whole.
24.
WAP is abbreviation for
Correct Answer
C. Wireless Access Point
Explanation
The correct answer is "Wireless Access Point." WAP is an abbreviation commonly used to refer to a Wireless Access Point. A Wireless Access Point is a device that allows wireless devices to connect to a wired network using Wi-Fi technology. It acts as a central hub for wireless communication, enabling devices such as smartphones, laptops, and tablets to connect to the internet or other network resources wirelessly.
25.
The first part of URL refers to the ____________ that must be used to access information, for example http.
Correct Answer
A. Protocol
Explanation
The first part of a URL refers to the protocol that must be used to access information. The protocol determines the rules and procedures for communication between devices over a network. Examples of protocols include HTTP, HTTPS, FTP, and SMTP. The protocol specified in the URL indicates the type of request being made and how the information should be retrieved or transmitted.