640-802 CCNA Exam Questions – Test Your Networking Knowledge

640-802 CCNA Exam Questions – Test Your Networking Knowledge

The 640-802 CCNA exam is a comprehensive test that evaluates your knowledge and skills in the field of networking. It covers a wide range of topics, including network fundamentals, LAN switching, IP routing, WAN technologies, network security, and more. If you’re preparing for the CCNA exam, it’s crucial to have a solid understanding of these concepts.

To help you assess your preparedness for the exam, we have compiled a list of challenging 640-802 CCNA exam questions. This article will test your networking knowledge and provide detailed explanations for each answer. Whether you’re a seasoned professional or a beginner in the field, these questions will challenge your abilities and enhance your understanding.

Question 1: Network Fundamentals

Which layer of the OSI model is responsible for logical addressing and routing?

A) Data Link Layer
B) Transport Layer
C) Network Layer
D) Presentation Layer

Answer: C) Network Layer

The Network Layer is responsible for logical addressing and routing. It handles the exchange of data packets between different networks by using IP addresses. This layer ensures that data reaches its intended destination and deals with issues such as routing protocols and IP addressing schemes.

Question 2: LAN Switching

What is the purpose of a VLAN (Virtual Local Area Network)?

A) To connect two separate LANs over a WAN
B) To provide wireless access to network devices
C) To divide a single physical LAN into multiple logical LANs
D) To encrypt data traffic between network devices

Answer: C) To divide a single physical LAN into multiple logical LANs

VLANs allow network administrators to segment a single physical LAN into multiple logical LANs. This segmentation provides improved network performance, security, and manageability. Each VLAN operates as a separate broadcast domain and allows for better control over network traffic.

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