1.
To connect to the internet, you need either:
Correct Answer
G. All of the above
Explanation
The correct answer is "all of the above" because to connect to the internet, you can use any of the mentioned options: dial-up connection, DSL connection, cable lines connection, satellite connection, or cellular or mobile data connection. Each of these options provides a different method of accessing the internet, allowing users to choose the most suitable option based on their location, availability, and personal preferences.
2.
Which one is NOT an example of a web address.
Correct Answer
D. None of the above
Explanation
All of the given options are examples of web addresses. The first option "https://hsbc.com.hk" is a secure web address for the HSBC bank website. The second option "www.yahoo.com" is a typical web address for the Yahoo website. The third option "http://192.168.0.1" is an IP address, which can also be used as a web address to access a specific device or network. Therefore, none of the above options are NOT examples of web addresses.
3.
A computer network is a network of interconnected computers or devices.
Correct Answer
A. True
Explanation
The given statement is true. A computer network refers to a group of interconnected computers or devices that can communicate and share resources with each other. This network allows for the exchange of data, information, and resources among the connected devices, enabling them to work together and enhance productivity. Therefore, the statement accurately describes the concept of a computer network.
4.
Which one has the widest coverage?
Correct Answer
B. WAN
Explanation
PAN = Personal Area Network
LAN = Local Area Network
MAN = Metropolitan Area Network
WAN = Wide Area Network
5.
Anything physically connected to a network is called _______________.
Correct Answer
C. A Node
Explanation
A node refers to any device or object that is connected to a network. It can be a computer, a server, a printer, or any other device that is part of the network. Therefore, anything physically connected to a network is called a node.
6.
Which one is not an example of Communications Media:
Correct Answer
E. None of the Above
Explanation
The correct answer is "None of the Above" because all the options listed (Cables, Fiber Optics, and Radio Waves) are examples of communication media. Cables are physical wires used to transmit data, fiber optics use light signals to transmit data, and radio waves are used for wireless communication. Therefore, none of the options provided are not examples of communication media.
7.
What is a server?
Correct Answer
A. Any combination of hardware or software designed to provide services to clients.
Explanation
A server is a combination of hardware and software that is specifically designed to provide services to clients. This can include tasks such as hosting websites, managing databases, or providing file storage. Servers are typically installed in computers and allow access to a network through Ethernet or Wireless connections. They act as a central hub that receives data from other components on the network and processes it accordingly to fulfill client requests.
8.
A Client is ____
Correct Answer
B. Any component on a network that receives data from other components.
Explanation
A client is any component on a network that receives data from other components. This means that it is a device or software application that requests and receives information or services from a server or another client on the network. Clients can include computers, smartphones, tablets, or any other device that connects to a network and interacts with other components to access data or resources.
9.
A NIC is a component in a computer that allows a network cable to be plugged in or a wireless connection to a network. NIC stands for what?
Correct Answer
Network Interface Card
Explanation
The answer is Network Interface Card
10.
Select the option which is NOT a type of network topology.
Correct Answer
A. SPIRAL
Explanation
The option "SPIRAL" is not a type of network topology. Network topologies refer to the physical layout of a network, such as how devices are connected and communicate with each other. The other options listed - STAR, RING, BUS, and MESH - are all valid types of network topologies commonly used in computer networks. However, "SPIRAL" does not represent a recognized network topology.
11.
Select all choices which are common examples of a NIC.
Correct Answer(s)
B. Wireless Card
C. Ethernet Card
Explanation
A NIC (Network Interface Card) is a hardware component that allows a computer to connect to a network. Both a Wireless Card and an Ethernet Card are common examples of NICs as they enable a computer to connect to a network wirelessly or through an Ethernet cable respectively. However, a Filter, Port, and Firewall are not examples of NICs as they perform different functions in a network setup.
12.
A _______ is a set of rules which is used by computers to communicate with each other across a network.
Correct Answer(s)
Protocol
Explanation
The answer is protocol
13.
What is a network?
Correct Answer
A. A collection of computers and devices connected by communication channels.
Explanation
A LAN is only one type of network. Computers/devices need to be connected not just in an organisation. A wireless link is only one type of connection
14.
A LAN allows users to share resources such as:
Correct Answer
A. Files, application programs, printers, and/or other software/hardware
Explanation
A LAN (Local Area Network) enables users to share resources such as files, application programs, printers, and other software/hardware. This means that multiple users connected to the LAN can access and utilize these shared resources, making it easier to collaborate and work together efficiently. The other options mentioned, such as transfer of money via electronic funds transfer and public transportation, are not related to the capabilities of a LAN and are therefore not applicable.
15.
What is a network that covers a large geographical area and uses many types of communications channels?
Correct Answer
C. WAN
Explanation
A Wide Area Network (WAN) is a network that covers a large geographical area and uses many types of communications channels. Unlike a Local Area Network (LAN) which is limited to a small area, a WAN can connect multiple LANs over a wide distance. WANs are typically used by organizations that have multiple branches or offices spread across different locations, allowing them to share resources and communicate efficiently.
16.
What name is given to a network with a small number of computers that share their files and printers, but has no main server?
Correct Answer
B. A peer-to-peer network.
Explanation
A peer-to-peer network is the correct answer because it refers to a network where computers are connected to each other and share their files and printers without the need for a central server. In this type of network, all computers have equal status and can act as both clients and servers, allowing for decentralized sharing of resources.
17.
An intranet can be described as:
Correct Answer
D. Allowing restricted access to company information and supporting workers working in groups using the Internet and web technologies
Explanation
An intranet is a private network that allows restricted access to company information and supports workers working in groups using the Internet and web technologies. It is different from the capability of a computer to communicate with other computers, as it specifically refers to a network within a company or organization. It is also different from hardware and software that restricts access to data and information on a network, as an intranet is a network itself rather than a security measure. Lastly, an intranet is not necessarily a WAN (Wide Area Network), as it can be a local network within a specific location or office.
18.
What does WLAN stand for?
Correct Answer
A. Wireless Local Area Network.
Explanation
WLAN stands for Wireless Local Area Network. It is a type of wireless network that allows devices to connect and communicate wirelessly within a limited area, such as a home, office, or campus. The other options, Wireless Large Area Network, Western Local Address Network, and World-Local Address Network, are incorrect and do not accurately represent the meaning of WLAN.
19.
Networking computers can improve efficiency because
Correct Answer
B. You save money when you share resources.
Explanation
When networking computers, sharing resources such as printers, storage devices, and software applications becomes possible. This eliminates the need for each computer to have its own dedicated resources, resulting in cost savings. By sharing resources, businesses can optimize their productivity and efficiency without the need to purchase additional equipment for each individual computer. This also allows for easier management and maintenance of resources, further enhancing efficiency.
20.
What does a client-server network have?
Correct Answer
A. A server computer and other computers that it controls.
Explanation
file server, print server and an internet server are examples of servers, some larger networks may have them, but not all
21.
What does Internet peer-to-peer networking enable users with the same networking software to do?
Correct Answer
D. Exchange files directly from each other’s hard disks
Explanation
Internet peer-to-peer networking enables users with the same networking software to exchange files directly from each other's hard disks. This means that users can share files with each other without the need for a central server. Instead, the files are transferred directly between the users' computers, allowing for faster and more efficient file sharing.
22.
To restrict unauthorised access to a Wireless Network which of the following should you consider.
Correct Answer
D. All of the above
Explanation
To restrict unauthorized access to a wireless network, it is important to consider all of the mentioned options. Not broadcasting the network name (SSID) makes it harder for potential intruders to discover the network. Only allowing access to specified devices ensures that only authorized devices can connect to the network. Finally, using data encryption, such as WPA2, protects the information transmitted over the network from being intercepted and accessed by unauthorized users. By implementing all of these measures, the security of the wireless network can be significantly enhanced.
23.
To set up a network in a building where it is not possible to drill holes through walls the best solution would be to use:
Correct Answer
B. A WAP (Wireless Access Point)
Explanation
The best solution for setting up a network in a building where drilling holes through walls is not possible would be to use a WAP (Wireless Access Point). This is because a WAP allows for wireless connectivity, eliminating the need for physical connections through walls. Ethernet Cat5e and fiber optic cables require drilling holes for installation, so they are not suitable in this scenario. Therefore, the correct answer is a WAP.
24.
What are switches on a network?
Correct Answer
B. Hardware devices that manage network data traffic.
Explanation
Switches on a network refer to hardware devices that manage network data traffic. These devices are responsible for receiving data packets and forwarding them to their intended destination within a network. Switches make decisions based on the destination MAC (Media Access Control) address of the packets, allowing them to efficiently direct traffic and ensure that data reaches the appropriate devices. Unlike software packages or network interface cards, switches are physical devices that provide a crucial function in controlling and managing data flow within a network.
25.
What is a firewall?
Correct Answer
C. Hardware and/or software that restricts access to data on a network.
Explanation
A firewall is a security measure that can be implemented using hardware and/or software to restrict access to data on a network. It acts as a barrier between an internal network and external networks, filtering incoming and outgoing network traffic based on predetermined security rules. By monitoring and controlling network traffic, a firewall helps prevent unauthorized access, potential threats, and data breaches, ensuring the security and integrity of the network.
26.
What does FTP stand for?
Correct Answer
D. File Transfer Protocol
Explanation
FTP stands for File Transfer Protocol. It is a standard network protocol used to transfer files from one host to another over a TCP-based network, such as the internet. FTP provides a simple and efficient way to upload, download, and manage files on a remote server. It is commonly used by web developers to transfer website files to a web server, and by individuals to transfer files between their personal devices and remote servers.
27.
Which of the following network transmission media is capable of the fastest rate of data transmission?
Correct Answer
D. Fibre-optic Cable
Explanation
Fibre-optic cable is capable of the fastest rate of data transmission compared to the other options. This is because it uses light signals to transmit data, allowing for a higher bandwidth and faster transmission speeds. Twisted-pair cable and coaxial cable use electrical signals, which are slower in comparison. Bluetooth wireless transmission also has lower data transmission rates compared to fibre-optic cable.
28.
A NIC is?
Correct Answer
E. In a computer and attaches to the cable or wireless technology used to connect the devices in a network
Explanation
A NIC (Network Interface Card) is a material or technology used to establish the communications channel in a computer and attaches to the cable or wireless technology used to connect the devices in a network. This card allows the computer to send and receive data over the network, enabling communication between devices.
29.
A dial-up modem is:
Correct Answer
C. Converts analogue signals into digital signals and vice versa
Explanation
A dial-up modem is a device that converts analogue signals into digital signals and vice versa. This conversion is necessary because computers transmit and receive digital signals, while telephone lines transmit analogue signals. The modem allows the computer to communicate over a telephone line by converting the digital signals from the computer into analogue signals that can be transmitted over the phone line, and then converting the analogue signals received from the phone line back into digital signals that the computer can understand. This enables the computer to access the internet or communicate with other computers using a dial-up connection.
30.
A smart phone is:
Correct Answer
A. A convergence of technologies that has resulted in a device also performing the functions of a different device.
Explanation
A smart phone is a convergence of technologies that has resulted in a device also performing the functions of a different device. This means that a smart phone combines various technologies such as computing, communication, and multimedia capabilities, allowing it to not only function as a phone but also perform tasks that were traditionally done by separate devices, such as cameras, music players, and personal digital assistants (PDAs).
31.
Email, instant messaging, chat rooms, and videoconferencing are forms of ______________ that can occur efficiently through networks.
Correct Answer
B. Communication
Explanation
Email, instant messaging, chat rooms, and videoconferencing are all methods of exchanging information and ideas between individuals or groups. These forms of communication allow for efficient and effective communication to take place through networks. Therefore, the correct answer is "communication".
32.
When using the Internet, you may get SPAM. This can BEST be described as:
Correct Answer
D. Unsolicited email or web page material, usually advertisement
Explanation
SPAM, in the context of using the Internet, refers to unsolicited email or web page material that is typically in the form of advertisements. It is sent or displayed to users without their consent or request. This type of content is often unwanted and can be considered a nuisance. It is not a computer virus, canned meat, or extra web pages on a chosen topic.