Test Quiz IT Essentials Chapter 8 Quiz-1
This is a quiz for all the programmers and nerds out there. If you want to test your knowledge on this particular bunch of IT essentials take this quiz and find out how vast your knowledge is.
Questions and Answers
- 1.
The Internet is an example of which type of network?
- A.
LAN
- B.
SAN
- C.
WAN
- D.
WLAN
Correct Answer
C. WANExplanation
The Internet is an example of a WAN (Wide Area Network) because it connects multiple networks over a large geographic area, such as different cities or even countries. It allows for communication and data sharing between devices and networks that are far apart from each other.Rate this question:
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- 2.
What is the suggested maximum number of PC's in a peer-to-peer network?
- A.
100
- B.
50
- C.
25
- D.
10
Correct Answer
D. 10Explanation
In a peer-to-peer network, there is no dedicated server, and all computers are equal. This means that the performance of the network depends on the capabilities of each individual computer. The more computers there are in the network, the more resources are required to maintain it. Therefore, it is suggested to have a maximum of 10 PCs in a peer-to-peer network to ensure optimal performance and efficient sharing of resources.Rate this question:
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- 3.
Which method of data transfer allows information to be sent and received at the same time?
Correct Answer
full duplexExplanation
Full duplex is a method of data transfer that allows information to be sent and received simultaneously. In this mode, communication can occur in both directions at the same time, enabling real-time and efficient data exchange. Unlike half duplex or simplex methods, where communication is limited to one direction at a time, full duplex provides a bidirectional flow of data, enhancing the speed and effectiveness of data transfer.Rate this question:
- 4.
Latency is the amount of time it takes to travel from_____ to _______.
Correct Answer
source destinationExplanation
Latency refers to the time it takes for data to travel from the source to the destination. It is a measure of the delay or lag in data transmission between these two points.Rate this question:
- 5.
Half Duplex allows data to be sent and received at the same time.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The given statement is false. Half Duplex mode allows data to be sent and received, but not at the same time. In Half Duplex, communication can only happen in one direction at a time. When one party is sending data, the other party must wait until the transmission is complete before they can send their own data. This is in contrast to Full Duplex mode, where data can be sent and received simultaneously.Rate this question:
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- 6.
How many bits are in an IP address?
Correct Answer
32
32 bits
thirty two
thirty two bitsExplanation
An IP address is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. It consists of 32 bits, which are divided into four sets of 8 bits each, separated by periods. Each set can have a value between 0 and 255, representing a total of 4.3 billion unique IP addresses. Therefore, the correct answer is 32 bits, as it accurately describes the number of bits in an IP address.Rate this question:
- 7.
What is another name for Logical Address?
- A.
Virtual address
- B.
Physical address
- C.
MAC address
- D.
IP address
Correct Answer
D. IP addressExplanation
The correct answer is IP address. An IP address, or Internet Protocol address, is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. It serves as a unique identifier for devices and allows them to communicate with each other on a network. The term "logical address" is often used interchangeably with IP address, as both refer to the same concept of identifying devices on a network.Rate this question:
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- 8.
In dotted decimal notation, 32 bits are grouped into 8-bit bytes called ______.
Correct Answer
octetsExplanation
In dotted decimal notation, 32 bits are grouped into 8-bit bytes called octets. Octets are used to represent the four sets of numbers in an IP address, where each set can have a value between 0 and 255. This grouping helps in organizing and identifying the different parts of an IP address, making it easier for computers to interpret and process the information.Rate this question:
- 9.
Which IP class is used for experimental testing?
- A.
Class A
- B.
Class B
- C.
Class C
- D.
Class D
- E.
Class E
Correct Answer
E. Class EExplanation
Class E is used for experimental testing.Rate this question:
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- 10.
What is the default subnet mask for Class A?
- A.
255.255.255.0
- B.
255.0.0.0
- C.
255.255.0.0
Correct Answer
B. 255.0.0.0Explanation
The default subnet mask for Class A is 255.0.0.0. Class A addresses have the first octet reserved for the network portion, and the remaining three octets for the host portion. The subnet mask 255.0.0.0 signifies that the first octet is used for the network address, while the remaining three octets are available for host addresses.Rate this question:
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- 11.
What is the communication protocol that establishes a connection on the internet?
- A.
FTP
- B.
SSH
- C.
POP3
- D.
HTTP
Correct Answer
D. HTTPExplanation
HTTP (Hypertext Transfer Protocol) is the communication protocol that establishes a connection on the internet. It is the foundation of data communication for the World Wide Web. HTTP allows for the transfer of hypertext, which includes text, images, videos, and other multimedia files, between web servers and web browsers. It defines how messages are formatted, transmitted, and handled between client and server, enabling the retrieval and display of web pages. FTP (File Transfer Protocol), SSH (Secure Shell), and POP3 (Post Office Protocol version 3) are also communication protocols, but they serve different purposes and are not primarily used for establishing internet connections.Rate this question:
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- 12.
What is the protocol that provides services for file transfer and manipulation?
- A.
HTTP
- B.
SSH
- C.
FTP
- D.
POP3
Correct Answer
C. FTPExplanation
FTP (File Transfer Protocol) is the correct answer because it is a protocol specifically designed to provide services for file transfer and manipulation. FTP allows users to upload, download, and manage files on a remote server. It provides a reliable and efficient way to transfer files over a network, making it widely used in various applications and industries. HTTP (Hypertext Transfer Protocol) is primarily used for web browsing, SSH (Secure Shell) is used for secure remote access and control, and POP3 (Post Office Protocol version 3) is used for retrieving emails from a mail server.Rate this question:
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- 13.
______ is a protocol used to send email in a TCP/IP network.
Correct Answer
SMTP
Simple Mail Transfer ProtocolExplanation
SMTP stands for Simple Mail Transfer Protocol and it is a protocol used to send email in a TCP/IP network. It is a set of rules that govern the transmission of email messages between servers. SMTP is responsible for the transfer of email from the sender's email client to the recipient's email server. It uses TCP/IP as the underlying network protocol to establish a reliable connection and ensure the successful delivery of email messages. SMTP is widely used and supported by email servers and clients, making it a standard protocol for email communication.Rate this question:
- 14.
What is another name for a hub?(Choose Two)
- A.
Concentrator
- B.
Bridge
- C.
Multiport repeater
- D.
Router
Correct Answer(s)
A. Concentrator
C. Multiport repeaterExplanation
A hub is a networking device that connects multiple devices in a network. It receives data packets from one device and broadcasts them to all other devices connected to it. A hub is also known as a concentrator because it concentrates the data traffic from multiple devices into a single network segment. Additionally, a hub can be referred to as a multiport repeater because it amplifies and regenerates the incoming signal before transmitting it to other devices. However, a hub is not the same as a bridge or a router, as they perform different functions in a network.Rate this question:
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- 15.
Which term describes the process of adding headers to data as it moves through the layers of the OSI model?
Correct Answer(s)
encapsulationExplanation
Encapsulation is the term used to describe the process of adding headers to data as it moves through the layers of the OSI model. This process involves wrapping the data with additional information at each layer, such as source and destination addresses, to ensure proper routing and delivery. Encapsulation allows for the separation of concerns and enables each layer to perform its specific functions independently while ensuring that the data is properly packaged and transmitted across the network.Rate this question:
- 16.
When purchasing Cisco components for a network installation, what are three warning signs that the equipment may be counterfeit?
- A.
The equipment appears to be performing at a substandard level.
- B.
The packaging appears to be substandard compared to the packaging of other Cisco purchases.
- C.
The price is much less than expected.
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
The three warning signs that the equipment may be counterfeit are: the equipment appears to be performing at a substandard level, the packaging appears to be substandard compared to the packaging of other Cisco purchases, and the price is much less than expected.Rate this question:
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- 17.
Which protocol lacks support for encryption and can be initiated from a computer command prompt?
- A.
DHCP
- B.
POP3
- C.
Telnet
- D.
HTTP
Correct Answer
C. TelnetExplanation
Telnet lacks support for encryption and can be initiated from a computer command prompt. Telnet is a network protocol that allows a user to remotely access and control a computer or device over a network. However, it does not provide any encryption or security measures, making it vulnerable to eavesdropping and unauthorized access. It can be easily initiated by typing specific commands in the command prompt of a computer.Rate this question:
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- 18.
Which network topology will allow all devices to continue to communicate with each other should a network cable fail?
- A.
Star
- B.
Mesh
- C.
Bus
- D.
Ring
Correct Answer
B. MeshExplanation
A mesh network topology allows all devices to continue communicating with each other even if a network cable fails. In a mesh topology, each device is connected to every other device in the network, creating multiple paths for data to travel. This redundancy ensures that if one cable fails, data can still be routed through alternative paths, maintaining uninterrupted communication between devices.Rate this question:
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- 19.
What are the Two types of fiber-optic cable?(Choose Two)
- A.
Thicknet
- B.
Thinnet
- C.
Multimode
- D.
Single Mode
Correct Answer(s)
C. Multimode
D. Single ModeExplanation
The two types of fiber-optic cable are multimode and single mode. Multimode cables have a larger core diameter and allow multiple modes of light to propagate simultaneously. They are commonly used for short-distance communication. Single mode cables have a smaller core diameter and allow only one mode of light to propagate. They are used for long-distance communication as they provide higher bandwidth and lower attenuation.Rate this question:
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- 20.
In a Bus Topology, what prevents signals from being echoed back through the network?
Correct Answer(s)
terminatorExplanation
In a Bus Topology, a terminator is used to prevent signals from being echoed back through the network. The terminator absorbs or dissipates the signals, preventing them from bouncing back and causing interference. Without a terminator, the signals would reflect off the end of the cable and create signal reflections, leading to data corruption and network performance issues.Rate this question:
- 21.
Which Windows XP command displays the route taken by packets crossing an IP network?
- A.
Ping
- B.
Ipconfig
- C.
Tracert
- D.
Displaydns
Correct Answer
C. TracertExplanation
The correct answer is "tracert" because it is a Windows XP command that displays the route taken by packets crossing an IP network. It is used to troubleshoot network connectivity issues by showing the sequence of routers or hops that the packets pass through from the source to the destination. By analyzing the output of tracert, network administrators can identify where the network congestion or failure occurs and take appropriate actions to resolve the issue.Rate this question:
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- 22.
Which layer of the OSI model is primarily concerned with accessing the physical media and physical addressing?
- A.
Application Layer
- B.
Presentation Layer
- C.
Session Layer
- D.
Transportation Layer
- E.
Network Layer
- F.
Data Link Layer
- G.
Physical Layer
Correct Answer
F. Data Link LayerExplanation
The Data Link Layer is primarily concerned with accessing the physical media and physical addressing. This layer is responsible for establishing and terminating connections between devices, as well as for the reliable transmission of data over the physical network. It also handles error detection and correction, and provides a means for devices to identify each other on the network using physical addressing, such as MAC addresses.Rate this question:
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- 23.
Which three protocols are associated with e-mail? (Choose three.)
- A.
POP3
- B.
HTTP
- C.
SMTP
- D.
Telnet
- E.
ICMP
- F.
IMAP
Correct Answer(s)
A. POP3
C. SMTP
F. IMAPExplanation
POP3, SMTP, and IMAP are the three protocols associated with email. POP3 (Post Office Protocol version 3) is used to retrieve email from a mail server to a client device. SMTP (Simple Mail Transfer Protocol) is used to send email between servers. IMAP (Internet Message Access Protocol) is used to access and manage email on a mail server. HTTP (Hypertext Transfer Protocol), Telnet, and ICMP (Internet Control Message Protocol) are not specifically associated with email.Rate this question:
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- 24.
Which two characteristics describe Ethernet technology? (Choose two.)
- A.
Supported by IEEE 802.11g standards
- B.
Supported by IEEE 802.11a standards
- C.
Supported by IEEE 802.3 standards
- D.
Uses a star logical topology
- E.
Uses a bus logical topology
- F.
Uses a mesh logical topology
Correct Answer(s)
C. Supported by IEEE 802.3 standards
E. Uses a bus logical topologyExplanation
Ethernet technology is supported by IEEE 802.3 standards, which define the physical and data link layer specifications for Ethernet networks. It uses a bus logical topology, where all devices are connected to a single shared communication medium called a bus. This allows for multiple devices to transmit and receive data on the same network.Rate this question:
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- 25.
A _____ controller manages all security related aspects of users and network resources.
Correct Answer(s)
DomainExplanation
A domain controller is responsible for managing all security-related aspects of users and network resources. It authenticates user credentials, controls access to resources, enforces security policies, and manages user accounts and permissions within a network domain. It acts as a central authority for security management, ensuring that only authorized users have access to the network and its resources.Rate this question:
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