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Certified Ethical Hacker Exam Practice Questions
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Question 1 of 10
1. Question
International standard organization (ISO) introduced a model of seven layers, the conceptual model that characterises and standardises the communication functions of a telecommunication or computing system is called which of the following system?
Correct
The Open Systems Interconnection model (OSI model) is a conceptual and theoretical model that specifies and standardises the communication transmission and reception functions of telecommunication equipment or computing system without regard which type of internal structure and technology is used. in 1978, the International standard organization (ISO) proposed, initiated and published OSI model.
Incorrect
The Open Systems Interconnection model (OSI model) is a conceptual and theoretical model that specifies and standardises the communication transmission and reception functions of telecommunication equipment or computing system without regard which type of internal structure and technology is used. in 1978, the International standard organization (ISO) proposed, initiated and published OSI model.
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Question 2 of 10
2. Question
Which of the following layer in Open Systems Interconnection (OSI) model closest to the end-user and manages the communication needs of the application?
Correct
An application layer is an abstraction layer that specifies the shared communications (transmission and reception) protocols and interface types/methods used by hosts or computer in a communications network. It is nearest to the end-user and manages the communication (transmission and reception) needs of the application.
Incorrect
An application layer is an abstraction layer that specifies the shared communications (transmission and reception) protocols and interface types/methods used by hosts or computer in a communications network. It is nearest to the end-user and manages the communication (transmission and reception) needs of the application.
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Question 3 of 10
3. Question
In Open Systems Interconnection (OSI) model HyperText Transfer Protocol (HTTP) is a protocol of which of the following layer?
Correct
HyperText Transfer Protocol is an application layer protocol which is developed within the framework of the Internet protocol suite for viewing the web pages. It develops the relations between the client and the server for resources (pages, etc.).
Incorrect
HyperText Transfer Protocol is an application layer protocol which is developed within the framework of the Internet protocol suite for viewing the web pages. It develops the relations between the client and the server for resources (pages, etc.).
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Question 4 of 10
4. Question
it’s a communication channel (a single network cable) that allows the communication between multiple computers is the definition of Which of the following topology?
Correct
In a Local Area Network (LAN), a bus topology can be defined as a topology in which all the nodes, hosts or computers are connected to a single cable. The cable to which the nodes, hosts or computers connect is called a “backbone”. If this backbone is broken, the communication in the entire segment fails, it means that no host is able to communicate.
Incorrect
In a Local Area Network (LAN), a bus topology can be defined as a topology in which all the nodes, hosts or computers are connected to a single cable. The cable to which the nodes, hosts or computers connect is called a “backbone”. If this backbone is broken, the communication in the entire segment fails, it means that no host is able to communicate.
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Question 5 of 10
5. Question
Multiple Computers (hosts) in a network being connected through a central hub is the definition of which of the following?
Correct
A star network is defined as an implementation of a node–hub infrastructure in computer networks. In a star network, each host is connected directly to a central device which is called the hub. In its simplest form, one central hub acts as a channel to transmit and receive messages. The star network is categorized as one of the most common and widely used computer network topologies.
Incorrect
A star network is defined as an implementation of a node–hub infrastructure in computer networks. In a star network, each host is connected directly to a central device which is called the hub. In its simplest form, one central hub acts as a channel to transmit and receive messages. The star network is categorized as one of the most common and widely used computer network topologies.
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Question 6 of 10
6. Question
It is a network topology in which each node is connected to exactly two other nodes, forming a single continuous pathway for signals through each node is the definition for which of the following?
Correct
A ring network is defined as a network topology in which each node, computer or simply host connects to exactly two other nodes, computer or hosts forming a single continuous pathway for transmitting and reception of signals through each node i.e. a ring. Data passes from node to node, with each node or computer along the way receiving and transmitting every packet.
Incorrect
A ring network is defined as a network topology in which each node, computer or simply host connects to exactly two other nodes, computer or hosts forming a single continuous pathway for transmitting and reception of signals through each node i.e. a ring. Data passes from node to node, with each node or computer along the way receiving and transmitting every packet.
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Question 7 of 10
7. Question
It is a local network topology in which the infrastructure nodes (i.e. bridges, switches, and other infrastructure devices) being connected directly, dynamically and non-hierarchically to other nodes as many as possible is the definition for which of the following?
Correct
A mesh network which is also known as meshnet is a local network topology in which the infrastructure nodes (i.e. bridges, hub, switches, and other devices) connect directly, dynamically and non-hierarchically to as many other nodes, computers, or other hosts as possible and communicate with one another to route data precisely and effectively from/to clients.
Incorrect
A mesh network which is also known as meshnet is a local network topology in which the infrastructure nodes (i.e. bridges, hub, switches, and other devices) connect directly, dynamically and non-hierarchically to as many other nodes, computers, or other hosts as possible and communicate with one another to route data precisely and effectively from/to clients.
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Question 8 of 10
8. Question
It is an interconnection of two or more basic network topologies, each of which contains its own nodes is called which of the following?
Correct
When an interconnection of two or more basic network topologies (for example star and mesh), a hybrid network topology is created. The resulting topology will show properties of all the topologies which are include in hybrid topology, thereby decrease the limitation of the inherent weaknesses of each topology.
Incorrect
When an interconnection of two or more basic network topologies (for example star and mesh), a hybrid network topology is created. The resulting topology will show properties of all the topologies which are include in hybrid topology, thereby decrease the limitation of the inherent weaknesses of each topology.
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Question 9 of 10
9. Question
Media access control is 6 octets (8-bit bytes) generally separated by a colon. How the Media Access Control (MAC) address is represented?
Correct
The Media access control (MAC) address is described or written in hexadecimal values because it’s a very easy way for representation of octets. A pair of hexadecimal values will cover the range of all the expected values of a byte i.e. 00 is 0 and ff is 255
Incorrect
The Media access control (MAC) address is described or written in hexadecimal values because it’s a very easy way for representation of octets. A pair of hexadecimal values will cover the range of all the expected values of a byte i.e. 00 is 0 and ff is 255
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Question 10 of 10
10. Question
In the IP header, Which of the following is a 4-bit field and indicates IP version?
Correct
The version field in the IP header indicates that the packet under consideration includes the version of the IP. This field shows a value of 4 when IPv4 is configured. The header length is defined as the length of the header and in 32-bit words, it has the values between 20 bytes to 60 bytes.
Incorrect
The version field in the IP header indicates that the packet under consideration includes the version of the IP. This field shows a value of 4 when IPv4 is configured. The header length is defined as the length of the header and in 32-bit words, it has the values between 20 bytes to 60 bytes.