The latest Network Programming and Client-Server Programming certification actual real practice exam question and answer (Q&A) dumps are available free, which are helpful for you to pass the Network Programming and Client-Server Programming exam and earn Network Programming and Client-Server Programming certification.
Question 1
What was the main function of the first computer networks, like ARPANET?
A. To transfer text data
B. To transfer human voice
C. To transfer images and graphics
D. To transfer audio and video
Correct Answer
A. To transfer text data
Question 2
What is the primary function of the first abstraction layer in a computer network architecture?
A. To facilitate data transfer between two computers within the same network
B. To ensure security between networks
C. To establish the physical connection topology between two computers via wired or wireless mediums
D. To enable process-to-process communication between applications
Correct Answer
C. To establish the physical connection topology between two computers via wired or wireless mediums
Question 3
Which of the following is true about the Network Layer in the TCP/IP stack?
A. It primarily uses protocols like IP to allow unique identification of devices across networks.
B. It combines the functionalities of the Physical and Data Link layers.
C. It handles the logical representation of application data and user interface.
D. It is responsible for delivering data from one process to another across a single network.
Correct Answer
A. It primarily uses protocols like IP to allow unique identification of devices across networks.
Question 4
Which of the following best explains why the server is always in a “passive” mode in a client-server communication model?
A. The server can stop listening for requests once it has communicated with a client once.
B. The server initiates communication with the client and actively sends requests to the client.
C. The server must be continuously running and listening for incoming requests from clients, but it does not initiate communication.
D. The server only communicates with other servers and does not interact with clients directly.
Correct Answer
C. The server must be continuously running and listening for incoming requests from clients, but it does not initiate communication.
Question 5
What happens when a new device is added to a TCP/IP network with a unique MAC address?
A. The network administrator must associate an IP address with the device so that it can communicate in the network.
B. The device is assigned a random IP address without the use of ARP.
C. The device must first register its MAC address in the DHCP server before connecting.
D. The device automatically generates an IP address without the need for ARP.
Correct Answer
A. The network administrator must associate an IP address with the device so that it can communicate in the network.
Question 6
Which protocol allows a host to automatically obtain an IP address?
A. DNS
B. DHCP
C. ARP
D. ICMP
Correct Answer
B. DHCP
Question 7
What is the purpose of a port number in the context of a process in a TCP/IP network?
A. To uniquely identify a process within a host
B. To route data between networks
C. To encrypt data during transmission
D. To manage IP address allocation
Correct Answer
A. To uniquely identify a process within a host
Question 8
What does the inet_ntop() function do in the server program?
A. Converts a string to a port number
B. Converts a server’s port number to a string
C. Translates the hostname of a server to an IP address
D. Converts an IP address in network byte order to a string
Correct Answer
D. Converts an IP address in network byte order to a string
Question 9
Which of the following are core components of a computer network?
A. Firewalls
B. Web browsers
C. Switches
D. Email servers
E. Ethernet cables
F. Routers
Correct Answer
C. Switches
Question 10
Which of the following statements correctly describes the HTTP protocol?
A. HTTP is a protocol used for transmitting hypertext over the internet.
B. HTTP primarily uses UDP for its transport.
C. HTTP is only used for secure transmissions.
D. HTTP functions on the transport layer of the OSI model.
Correct Answer
A. HTTP is a protocol used for transmitting hypertext over the internet.
Question 11
Which OSI layer is responsible for end-to-end communication and error recovery?
A. Network Layer
B. Application Layer
C. Transport Layer
D. Session Layer
Correct Answer
C. Transport Layer
Question 12
Which of the following are key components in designing a basic communication protocol?
A. Message format
B. Device IP address
C. Error handling mechanisms
D. MAC address
E. Data encryption
Correct Answer
A. Message format
Question 13
What role do port numbers play in process communication within a network?
A. They provide additional bandwidth for data transmission
B. They identify specific processes for data exchange
C. They encrypt data packets
D. They define the physical path for data packets
Correct Answer
B. They identify specific processes for data exchange
Question 14
Define what a computer network is.
A. Computer networks are limited to local area networks (LANs).
B. Computer networks are comprised solely of physical connections.
C. Computer networks facilitate the exchange of data among multiple devices.
D. Computer networks are identical to social networks in structure.
Correct Answer
C. Computer networks facilitate the exchange of data among multiple devices.
Question 15
What is the primary purpose of assigning IP addresses to hosts in a network?
A. To ensure that each host has the same configuration settings.
B. To enhance the network security of each host.
C. To uniquely identify each host on the network.
D. To increase the network speed for each host.
Correct Answer
C. To uniquely identify each host on the network.
Question 16
Which of the following statements accurately describe the function of MAC addresses in networking?
A. MAC addresses are used for routing data across multiple networks.
B. MAC addresses are used to uniquely identify devices on a local network.
C. MAC addresses are permanent and burned into the network interface card.
D. MAC addresses change every time a device connects to a different network.
Correct Answer
B. MAC addresses are used to uniquely identify devices on a local network.
Question 17
Which of the following components are typically required to execute a traditional C program that displays the system date and time?
A. The library
B. A graphics library
C. A main function
D. A compiler
E. A client-server architecture
Correct Answer
A. The library
Question 18
What is the primary advantage of implementing a client-server architecture in C for network programming?
A. It provides centralized resource management and security
B. It eliminates the need for network protocols
C. It increases the complexity and cost of network setup
D. It allows all clients to run independently without a server
Correct Answer
A. It provides centralized resource management and security
Question 19
Which of the following are essential components of client-server communication?
A. Data encryption
B. Client request
C. HTTP cookies
D. Server response
Correct Answer
B. Client request
Question 20
Select the core physical components of a computer network.
A. Physical Component
B. Abstract Protocol Layer
C. Cable or Wireless Medium
D. Network Interface Card
E. IP Address
Correct Answer
C. Cable or Wireless Medium
Question 21
Identify the correct sequence of layers in the OSI model.
A. Layer 1: Physical, Layer 2: Data Link, Layer 3: Network, Layer 4: Transport, Layer 5: Session, Layer 6: Presentation, Layer 7: Application
B. Layer 1: Presentation, Layer 2: Session, Layer 3: Transport, Layer 4: Network, Layer 5: Data Link, Layer 6: Physical, Layer 7: Application
C. Layer 1: Data Link, Layer 2: Network, Layer 3: Transport, Layer 4: Session, Layer 5: Application, Layer 6: Presentation, Layer 7: Physical
D. Layer 1: Application, Layer 2: Presentation, Layer 3: Session, Layer 4: Transport, Layer 5: Network, Layer 6: Data Link, Layer 7: Physical
Correct Answer
A. Layer 1: Physical, Layer 2: Data Link, Layer 3: Network, Layer 4: Transport, Layer 5: Session, Layer 6: Presentation, Layer 7: Application
Question 22
What is the primary purpose of a client-server architecture in network programming?
A. To ensure that all data is stored locally on the client side for faster access.
B. To centralize resources and processes for easier management and scalability.
C. To allow multiple servers to perform computations independently without any communication.
D. To prevent any form of direct communication between networked devices.
Correct Answer
B. To centralize resources and processes for easier management and scalability.
Question 23
Which components are essential in designing a basic communication protocol?
A. Error detection and correction mechanisms
B. Timing and synchronization methods
C. Data formatting rules
D. Encryption algorithms
E. User authentication processes
Correct Answer
A. Error detection and correction mechanisms