The latest TCP/IP and Internet certification actual real practice exam question and answer (Q&A) dumps are available free, which are helpful for you to pass the TCP/IP and Internet exam and earn TCP/IP and Internet certification.
Question 1
Which of the following is a feature of a computer network?
A. Hardware manufacturing
B. Device cooling
C. Data sharing
D. High-speed processing
Correct Answer
C. Data sharing
Question 2
What is the main function of the Internet?
A. Connecting private devices only
B. Providing global connectivity for data sharing and communication
C. Processing offline data
D. Enhancing hardware performance
Correct Answer
B. Providing global connectivity for data sharing and communication
Question 3
What is one of the main purposes of a computer network?
A. To reduce the cost of hardware manufacturing
B. To speed up hardware processing
C. To improve energy efficiency in devices
D. To enable resource sharing
Correct Answer
D. To enable resource sharing
Question 4
Which of the following is a common use of a computer network?
A. Improving monitor resolution
B. Enhancing computer memory capacity
C. Sharing files between devices
D. Creating computer processors
Correct Answer
C. Sharing files between devices
Question 5
Which of the following was the first computer network?
A. The World Wide Web
B. ARPANET
C. Ethernet
D. Local Area Network
Correct Answer
B. ARPANET
Question 6
What significant milestone marked the transition of the Internet from a research network to a public resource?
A. The creation of the World Wide Web
B. The launch of the first LAN
C. The invention of email
D. The introduction of TCP/IP protocols
Correct Answer
A. The creation of the World Wide Web
Question 7
Why are protocols important in computer networks?
A. They increase the physical speed of data transmission.
B. They enable secure communication between devices.
C. They standardise communication and ensure compatibility between different devices.
D. They ensure devices can communicate without any connection.
Correct Answer
C. They standardise communication and ensure compatibility between different devices.
Question 8
What would happen without the use of protocols in a network?
A. Data would automatically be encrypted.
B. Devices would not need any network interfaces.
C. Communication between different devices would be inconsistent.
D. Devices would communicate without errors.
Correct Answer
C. Communication between different devices would be inconsistent.
Question 9
What is the role of end systems in a computer network?
A. They initiate and receive communication within the network.
B. They manage the network’s security.
C. They handle the physical transmission of data.
D. They provide routing and forwarding of data between networks.
Correct Answer
A. They initiate and receive communication within the network.
Question 10
Which of the following is an example of an access network?
A. The Internet backbone
B. A router used to forward packets across the network
C. A Wi-Fi network connecting a laptop to the Internet
D. The physical cables between different data centers
Correct Answer
C. A Wi-Fi network connecting a laptop to the Internet
Question 11
Which of the following is a key characteristic of packet switching?
A. Dedicated communication channels are used for each session.
B. It is less suitable for internet traffic.
C. It ensures consistent delivery times and low latency.
D. Data is divided into packets that are routed independently.
Correct Answer
D. Data is divided into packets that are routed independently.
Question 12
Which scenario is better suited for circuit switching than packet switching?
A. Video streaming over the internet
B Browsing the web with frequent short bursts of data
C. Sending emails or transferring files
D. Real-time voice calls with minimal latency
Correct Answer
D. Real-time voice calls with minimal latency
Question 13
Which of the following best describes the Internet’s structure?
A. A global system of interconnected networks using standard protocols
B. A fully decentralised network with no central control
C. A hierarchical network where all devices connect directly to a central server
D. A centralised network controlled by a single authority
Correct Answer
A. A global system of interconnected networks using standard protocols
Question 14
What role do Internet Service Providers (ISPs) play in the Internet’s structure?
A. They regulate Internet usage across different countries.
B. They manage and resolve domain names into IP addresses.
C. They provide access to the Internet for users and organisations.
D. They create and maintain the physical backbone of the Internet.
Correct Answer
C. They provide access to the Internet for users and organisations.
Question 15
Which of the following is NOT a component of packet delay?
A. Transmission delay
B. Propagation delay
C. Encryption delay
D. Queuing delay
Correct Answer
C. Encryption delay
Question 16
What primarily causes propagation delay in a network?
A. The processing speed of the network devices
B. The length of the physical link between devices
C. The size of the packet being transmitted
D. The number of routers a packet traverses.
Correct Answer
B. The length of the physical link between devices
Question 17
What does “throughput” in networking refer to?
A. The delay is caused by congestion in the network.
B. The total bandwidth capacity of the network link.
C. The total number of packets sent by the sender
D. The actual rate of successful data delivery over a network
Correct Answer
D. The actual rate of successful data delivery over a network
Question 18
What is the primary cause of packet loss in a network?
A. Packet size exceeding the maximum transmission unit (MTU)
B. Propagation delay
C. Low bandwidth usage
D. Queue overflow due to congestion
Correct Answer
D. Queue overflow due to congestion
Question 19
Which of the following layers is responsible for end-to-end communication in the OSI model?
A. Network
B. Datalink
C. Transport
D. Application
Correct Answer
C. Transport
Question 20
Which of the following layers is NOT part of the TCP/IP model?
A. Application
B. Session
C. Network
D. Transport
Correct Answer
B. Session
Question 21
In the TCP/IP model, which layer is responsible for logical addressing and routing?
A. Transport
B. Application
C. Link
D. Internet
Correct Answer
D. Internet
Question 22
How many layers are there in the OSI model?
A. 7
B. 5
C. 8
D. 6
Correct Answer
A. 7
Question 23
What is the primary role of the Presentation Layer in the OSI model?
A. Ensuring reliable data delivery through error detection and correction
B. Encrypting and compressing data for secure and efficient transmission
C. Determining the physical path for data transmission
D. Managing connections and sessions between applications
Correct Answer
B. Encrypting and compressing data for secure and efficient transmission
Question 24
What is the key difference between the OSI and TCP/IP models?
A. The OSI model has 7 layers, while TCP/IP has 3 layers.
B. The OSI model is a theoretical framework, while TCP/IP is designed for implementation
C. The OSI model combines layers, while TCP/IP separates all layers.
D. The OSI model is protocol-dependent, while TCP/IP is protocol-independent.
Correct Answer
B. The OSI model is a theoretical framework, while TCP/IP is designed for implementation
Question 25
Which layer of the OSI model corresponds to the Internet Layer in the TCP/IP model?
A. Transport
B. Network
C. Application
D. Datalink
Correct Answer
B. Network
Question 26
What is the primary function of the Network Layer in the OSI model?
A. To ensure data packets are routed and transmitted across different networks.
B. To provide end-to-end error recovery and flow control.
C. To convert data into signals suitable for the transmission medium.
D. To establish, manage, and terminate connections between applications.
Correct Answer
A. To ensure data packets are routed and transmitted across different networks.
Question 27
Which of the following are characteristics and performance implications of packet switching technology?
A. Offers low latency for real-time applications.
B. Data is sent in small packets that may take different paths to the destination.
C. Requires a dedicated communication path throughout the transmission.
D. Allows for efficient utilization of network bandwidth.
E. Packets arrive in order without delay.
Correct Answer
B. Data is sent in small packets that may take different paths to the destination.
D. Allows for efficient utilization of network bandwidth.
Question 28
What is the purpose of peering agreements and Internet Exchange Points (IXPs) in Internet connectivity?
A. IXPs are designed to increase the physical distance data travels between ISPs.
B. Peering agreements are contracts that limit bandwidth usage between ISPs.
C. IXPs are used to store user data locally to reduce latency.
D. Peering agreements facilitate direct data exchange between ISPs without involving third-party networks.
Correct Answer
D. Peering agreements facilitate direct data exchange between ISPs without involving third-party networks.
Question 29
Which of the following factors can lead to packet loss in network transmission? Select all that apply.
A. Faulty hardware
B. High bandwidth availability
C. Incorrect IP address configuration
D. Network congestion
E. Low latency
F. Stable network conditions
Correct Answer
A. Faulty hardware
D. Network congestion
Question 30
Identify the key components and functions of TCP/IP protocols.
A. Simple Mail Transfer Protocol (SMTP) provides web browsing capabilities.
B. TCP/IP protocols ensure error checking and recovery.
C. Internet Protocol (IP) handles addressing and routing of packets.
D. Transmission Control Protocol (TCP) manages data packet sequencing.
E. File Transfer Protocol (FTP) encrypts data over the network.
Correct Answer
B. TCP/IP protocols ensure error checking and recovery.
C. Internet Protocol (IP) handles addressing and routing of packets.
D. Transmission Control Protocol (TCP) manages data packet sequencing.
Question 31
Which layer of the OSI model is responsible for establishing, managing, and terminating sessions between applications?
A. Application Layer
B. Network Layer
C. Transport Layer
D. Session Layer
Correct Answer
D. Session Layer
Question 32
Which of the following are social and ethical implications of computer networking?
A. Privacy concerns due to data sharing
B. Digital divide between different socio-economic groups
C. Enhanced face-to-face communication
D. Reduction of global connectivity
E. Increased opportunities for cyberbullying
Correct Answer
A. Privacy concerns due to data sharing
B. Digital divide between different socio-economic groups
E. Increased opportunities for cyberbullying
Question 33
What is the primary purpose of the Transport Layer in the TCP/IP model?
A. Routing packets across different networks
B. Managing network traffic congestion
C. Ensuring reliable data transfer and error correction
D. Encoding and encrypting application data
Correct Answer
C. Ensuring reliable data transfer and error correction
Question 34
Select all layers that are part of both the TCP/IP and OSI models.
A. Transport Layer
B. Network Layer
C. Presentation Layer
D. Application Layer
E. Session Layer
F. Data Link Layer
Correct Answer
A. Transport Layer
D. Application Layer
Question 35
What is a key characteristic of packet switching?
A. Circuit switching establishes a dedicated path
B. Packet switching requires a dedicated connection
C. Packet switching uses a store-and-forward technique
D. Circuit switching utilizes a store-and-forward method
Correct Answer
C. Packet switching uses a store-and-forward technique
Question 36
Identify the elements integral to access network technologies.
A. Peering agreements
B. Network protocols
C. Access Points
D. Transmission media
E. Routing algorithms
F. Internet Exchange Points (IXPs)
Correct Answer
C. Access Points
D. Transmission media
Question 37
Select all components of the TCP/IP model.
A. Session layer
B. Transport layer
C. Application layer
D. Presentation layer
E. Internet layer
Correct Answer
B. Transport layer
C. Application layer
E. Internet layer
Question 38
Select the statements that correctly describe the roles of forwarding and routing in network communication.
A. Forwarding and routing are identical processes
B. Routing deals with the packet content and its modification
C. Routing involves determining paths between networks
D. Forwarding is concerned with the movement of packets within a network
E. Routing modifies packet headers during transmission
F. Forwarding establishes a dedicated path for data transmission
Correct Answer
C. Routing involves determining paths between networks
D. Forwarding is concerned with the movement of packets within a network
Question 39
What is the primary role of a router in a network?
A. Store network configuration settings
B. Forward data packets based on IP addresses
C. Filter network traffic based on MAC addresses
D. Encrypt data before transmission
Correct Answer
B. Forward data packets based on IP addresses
Question 40
Explain the importance of TCP/IP in modern networking by selecting its key benefits.
A. Allows for scalable network growth
B. Supports interoperability between different network devices
C. Provides a standardized protocol for data transmission
D. Facilitates direct device communication without any intermediary
E. Ensures high security during data transmission
Correct Answer
A. Allows for scalable network growth
B. Supports interoperability between different network devices
C. Provides a standardized protocol for data transmission