Peer-to-Peer Architecture: A Comprehensive Guide for Distributed Systems

Question 1

What is the role of a tracker in a BitTorrent network?

Accepted Answer

To maintain a list of peers and their available file parts

Answer

To distribute the file to peers

Answer

To enforce network security

Answer

To optimize network performance

Question 2

Which of the following is a type of structured P2P network?

Accepted Answer

Chord

Answer

Gnutella

Answer

Freenet

Answer

BitTorrent

Question 3

What is the purpose of using a Distributed Hash Table (DHT) in a P2P network?

Accepted Answer

To store and retrieve data efficiently

Answer

To route messages between peers

Answer

To provide security and privacy

Answer

To manage network resources

Question 4

What is the concept of a supernode in a P2P network?

Accepted Answer

A node with enhanced capabilities and responsibilities

Answer

A node that stores all network data

Answer

A node that controls network access

Answer

A node that provides security services

Question 5

Which characteristic does NOT apply to Peer-to-Peer (P2P) architecture?

Accepted Answer

Unified central control

Answer

Decentralized structure

Answer

Peer equality

Answer

Resource sharing

Question 6

In a P2P network, which entity is primarily responsible for maintaining data consistency?

Accepted Answer

Each individual peer

Answer

Centralized server

Answer

Assigned peer

Answer

Dedicated database server

Question 7

What is a primary advantage of using P2P architecture for file sharing?

Accepted Answer

Increased scalability

Answer

Guaranteed data security

Answer

Centralized management

Answer

Enhanced privacy

Question 8

What is the primary purpose of a DHT (Distributed Hash Table) in a P2P network?

Accepted Answer

Providing efficient routing information

Answer

Storing and maintaining data

Answer

Handling peer discovery

Answer

Enforcing security policies

Question 9

Which key characteristic differentiates structured from unstructured P2P networks?

Accepted Answer

Data organization approach

Answer

Routing efficiency

Answer

Scalability potential

Answer

Security mechanisms

Question 10

Identify the defining characteristic of a Peer-to-Peer (P2P) architecture.

Accepted Answer

Decentralized network structure

Answer

Hierarchical data storage

Answer

Single point of failure

Answer

Centralized control mechanism

Question 11

Which protocol is commonly associated with P2P file sharing networks?

Accepted Answer

BitTorrent

Answer

HTTP

Answer

SMTP

Answer

FTP

Question 12

Explain the role of a supernode in the context of a P2P network.

Accepted Answer

A node with advanced capabilities and responsibilities

Answer

A centralized server that controls the network

Answer

A node that stores all the data in the network

Answer

A node that connects all other nodes in the network

Question 13

Common application of Peer-to-Peer Networking

Accepted Answer

File sharing and distribution

Answer

Web browsing

Answer

High-performance computing

Answer

Electronic mail

Question 14

Key concept related to **Peer-to-Peer Network Topology**

Accepted Answer

Meshed networks

Answer

Star network topology

Answer

Bus network topology

Answer

Ring network topology

Question 15

Role of a **Tracker** in a BitTorrent Network

Accepted Answer

Maintaining a list of available peers

Answer

Storing the complete shared file

Answer

Controlling network access

Answer

Encrypting data

Question 16

Purpose of a DHT in a Peer-to-Peer Network

Accepted Answer

Storing and retrieving data based on keys

Answer

Maintaining a list of active peers

Answer

Routing messages between peers

Answer

Providing network security

Question 17

Which characteristic is fundamental to Peer-to-Peer (P2P) architecture?

Accepted Answer

Decentralized network structure

Answer

Centralized authority

Answer

Cloud-based infrastructure

Answer

Hierarchical organization

Question 18

Which application is commonly implemented using P2P architecture?

Accepted Answer

File sharing

Answer

Database management

Answer

Website hosting

Answer

Cloud computing

Question 19

What is the primary advantage of using a distributed hash table (DHT) in a P2P network?

Accepted Answer

Efficient storage and retrieval of data

Answer

Centralized control of resources

Answer

Enhanced security

Answer

Simplified network management

Question 20

In a BitTorrent network, what is the primary function of a tracker?

Accepted Answer

Coordinating peer connections

Answer

Storing and distributing files

Answer

Enforcing copyright

Answer

Monitoring network performance

Question 21

Which characteristic is unique to structured P2P networks?

Accepted Answer

Predefined organization

Answer

Unstructured topology

Answer

Centralized management

Answer

Peer-driven routing

Question 22

Which of the following is a defining characteristic of unstructured P2P networks?

Accepted Answer

Decentralized

Accepted Answer

Dynamic

Accepted Answer

Self-organizing

Answer

Based on rigid network structure

Question 23

How does churn impact the efficiency of P2P networks?

Accepted Answer

Negatively impacts performance by increasing overhead and reducing node availability

Answer

Reduces network load, enhancing performance

Answer

Minimally affects network efficiency due to quick re-establishment of connections

Answer

Improves network efficiency by removing inactive or malicious peers

Question 24

Define the fundamental characteristic of Peer-to-Peer (P2P) architecture that differentiates it from traditional client-server models.

Accepted Answer

Decentralized network structure, where nodes can act as both clients and servers.

Answer

Centralized server management, where a single entity controls data and resources.

Answer

Hierarchical data storage, where data is organized in a tree-like structure.

Question 25

Which of the following is NOT a potential application of P2P networks?

Accepted Answer

Website hosting, as P2P networks are typically not suitable for hosting static web content.

Answer

Distributed computing, where P2P networks can leverage the collective computing power of multiple nodes.

Answer

Streaming media, where P2P networks enable peer-assisted content delivery for video and audio streaming.

Answer

File sharing, where P2P networks facilitate efficient and decentralized file distribution.

Question 26

Provide an example of a widely used structured P2P network.

Accepted Answer

BitTorrent, a popular file-sharing network that utilizes a distributed hash table (DHT) to efficiently locate and retrieve data.

Answer

Napster, an early file-sharing network that employed a centralized server for data storage and retrieval.

Answer

Gnutella, an unstructured P2P network that uses flooding-based search mechanisms for data discovery.

Answer

Freenet, a decentralized and censorship-resistant network designed to protect user privacy and anonymity.

Question 27

Describe the primary function of a Distributed Hash Table (DHT) within P2P networks.

Accepted Answer

Maintains a distributed and scalable mapping of keys to values, facilitating efficient data storage and retrieval.

Answer

Provides encryption services to secure data transmissions and protect user privacy.

Answer

Manages network connections and routes data traffic among nodes to optimize network performance.

Answer

Handles file transfers by coordinating data exchange between nodes in the network.

Question 28

Identify the protocol specifically designed for file sharing in P2P networks.

Accepted Answer

BitTorrent protocol, a peer-to-peer file transfer protocol that enables efficient and reliable distribution of large files across multiple nodes.

Answer

FTP, a protocol for file transfer over a network, typically used for uploading and downloading files from a centralized server.

Answer

SMTP, a protocol used for sending and receiving electronic mail messages.

Answer

HTTP, a protocol for transferring data over the World Wide Web, used for accessing web pages and other resources.

Question 29

Explain the concept of "seeding" in the context of P2P file sharing.

Accepted Answer

The act of maintaining a complete copy of a file and making it available for download by other peers in the network, ensuring its continued availability.

Answer

Managing network traffic and optimizing data transfer rates to enhance network performance.

Answer

Encrypting file transfers to protect data privacy and prevent unauthorized access.

Answer

Initiating file downloads by searching for and connecting to peers who possess the desired file.

Question 30

Which of the following is a fundamental characteristic of Peer-to-Peer Architecture?

Accepted Answer

Decentralized network structure

Answer

Client-server model

Answer

Hierarchical organization

Answer

Centralized control

Question 31

What is a common application of Peer-to-Peer Architecture?

Accepted Answer

File sharing and content distribution

Answer

Email services

Answer

Web browsing

Question 32

Which type of network topology is commonly used in Peer-to-Peer networks?

Accepted Answer

Mesh topology with interconnected peers

Answer

Star topology with a central server

Answer

Bus topology with a central backbone

Answer

Ring topology with a closed loop

Question 33

What protocol is specifically designed for content discovery and retrieval in Peer-to-Peer networks?

Accepted Answer

BitTorrent DHT (Distributed Hash Table)

Answer

TCP (Transmission Control Protocol)

Answer

FTP (File Transfer Protocol)

Answer

HTTP (Hypertext Transfer Protocol)

Question 34

Identify the characteristic that does NOT define a Peer-to-Peer network:

Accepted Answer

Heavy reliance on a client-server model

Answer

Decentralized structure

Answer

Absence of a central authority

Answer

Nodes serving as both providers and consumers of resources

Question 35

Which characteristic does NOT apply to Peer-to-Peer (P2P) Architecture?

Accepted Answer

Centralized control

Answer

Direct peer-to-peer communication

Answer

Collaborative decision-making

Answer

Resource sharing

Question 36

Which major application showcases the utility of P2P networks?

Accepted Answer

File sharing

Answer

Cloud computing

Answer

Web browsing

Answer

Centralized data storage

Question 37

Which of the following is a primary advantage offered by P2P networks?

Accepted Answer

High scalability

Answer

Limited bandwidth capacity

Answer

Increased security vulnerabilities

Answer

Susceptibility to single points of failure

Question 38

Which type of network exemplifies the implementation of P2P Architecture?

Accepted Answer

BitTorrent

Answer

Web services

Answer

Cloud computing

Answer

Client-server model

Question 39

Which concept is fundamental to the operation of P2P networks?

Accepted Answer

Peer discovery

Answer

Virtualization technologies

Answer

Data encryption techniques

Answer

Firewall configuration strategies

Question 40

Which impact does P2P Architecture potentially have on distributed systems?

Accepted Answer

Enhanced resilience against failures

Answer

Reduced network latency

Answer

Centralized control and management

Answer

Limited scalability constraints

Question 41

Which trade-off presents a design consideration for P2P systems?

Accepted Answer

Scalability versus Security

Answer

Cost versus Performance

Answer

Compatibility versus Efficiency

Answer

Reliability versus Usability

Question 42

What is a defining characteristic of Peer-to-Peer (P2P) architecture?

Accepted Answer

Decentralized network structure where all nodes are interconnected and equal

Answer

Asymmetric communication channels where nodes have different roles and capabilities

Answer

Centralized server-client model where a central server controls the network

Answer

Hierarchical network topology where nodes are arranged in a layered structure

Question 43

Which of the following is a practical application of P2P architecture?

Accepted Answer

File sharing

Answer

Web browsing, which relies heavily on centralized servers

Answer

Email communication, which predominantly operates on a client-server architecture

Answer

Cloud computing, which typically utilizes a client-server model

Question 44

Describe a major advantage of employing P2P architecture in distributed systems.

Accepted Answer

Increased fault tolerance, as there is no central point of failure

Answer

Enhanced security, which is influenced by various factors beyond network architecture

Answer

Reduced communication overhead, which is dependent on network topology

Question 45

Identify a challenge associated with P2P architecture.

Accepted Answer

Difficulty in maintaining data consistency due to the decentralized nature

Answer

Security vulnerabilities, which can be addressed through appropriate security measures

Answer

Limited scalability, which can be mitigated through network optimization techniques

Answer

High bandwidth requirements, which can be managed by efficient resource allocation

Question 46

Which protocol is commonly used in P2P networks for resource discovery?

Accepted Answer

Distributed Hash Table (DHT)

Answer

Transmission Control Protocol (TCP), primarily used for reliable data transfer

Answer

Hypertext Transfer Protocol (HTTP), primarily used for web browsing

Answer

User Datagram Protocol (UDP), primarily used for real-time applications

Question 47

Identify a common type of overlay network utilized in P2P systems.

Accepted Answer

Structured overlay

Answer

Virtual network, a software-defined network

Answer

Physical network, referring to the physical infrastructure connecting devices

Answer

Logical network, a conceptual representation of the network

Question 48

Explain a key benefit of using a structured overlay network in P2P systems.

Accepted Answer

Efficient resource discovery and retrieval through organized data placement

Answer

Reduced network overhead, influenced by network topology and routing algorithms

Answer

Improved security, dependent on encryption and other security measures

Answer

Increased fault tolerance, primarily determined by the underlying network architecture

Question 49

Which component plays a crucial role in maintaining the structure of a structured overlay network?

Accepted Answer

Routing table that stores information for efficient data routing

Answer

Peer list that maintains a list of connected peers

Answer

Content index that assists in locating specific content

Question 50

Which technique can enhance the performance of P2P file sharing systems?

Accepted Answer

Caching frequently requested files to reduce retrieval latency

Answer

Reducing the file size, which is a property of the content itself

Answer

Using a faster internet connection, which can improve overall network performance

Answer

Increasing the number of peers in the network, which may not always lead to performance improvements