Networking Concepts Quiz
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Questions and Answers

Which option correctly sets the voice VLAN for an access port configuration?

  • switchport access vlan 300, switchport voice vlan 400 (correct)
  • switchport access vlan 300, switchport voice vlan 300
  • switchport access vlan 400, switchport voice vlan 400
  • switchport access vlan 400, switchport voice vlan 300

What is the primary function of a hypervisor in a virtualized environment?

  • To provide storage solutions for virtual machines
  • To manage and allocate host hardware resources (correct)
  • To act as a firewall for virtual networks
  • To develop virtual machine software

Which statement accurately describes cloud service models?

  • IaaS requires users to manage network security completely.
  • Software as a Service (SaaS) offers software applications hosted in the cloud. (correct)
  • Infrastructure as a Service (IaaS) provides users with physical servers.
  • Platform as a Service (PaaS) allows users to manage the underlying infrastructure.

What is a potential environmental impact of cloud services?

<p>Increased energy consumption due to data centers. (B)</p> Signup and view all the answers

What describes the operation of virtual machines in relation to physical hardware?

<p>Virtual machines operate independently of the hardware they are hosted on. (C)</p> Signup and view all the answers

Which cloud service model allows an organization to install its own operating system on a virtual machine?

<p>Infrastructure-as-a-service (D)</p> Signup and view all the answers

Which statement best describes the functionality of virtual machines?

<p>The hypervisor can virtualize physical components including CPU, memory, and storage (C)</p> Signup and view all the answers

How can an organization reduce its environmental footprint through technology?

<p>By utilizing cloud services (D)</p> Signup and view all the answers

What is one of the primary functions of a hypervisor?

<p>To virtualize and manage the allocation of resources like CPU and memory (A)</p> Signup and view all the answers

Which of the following is a fundamental of virtualization?

<p>Logical network devices can manage traffic between virtual machines and the physical network (A)</p> Signup and view all the answers

What does the collapsed core layer in a two-tier architecture primarily enforce?

<p>Routing policies for network traffic (C)</p> Signup and view all the answers

Which of these is NOT a characteristic of infrastructure-as-a-service (IaaS)?

<p>It typically involves a fixed cost regardless of usage (D)</p> Signup and view all the answers

Which statement about cloud services is most accurate?

<p>Cloud technology can enable telecommuting and minimize facility needs (A)</p> Signup and view all the answers

What is the primary function of a cloud service model?

<p>To facilitate the renting of software or infrastructure resources (D)</p> Signup and view all the answers

Which statement accurately describes the functionality of virtual machines?

<p>They can run different operating systems on the same physical machine (A)</p> Signup and view all the answers

What is a significant environmental impact of cloud services?

<p>Lower energy consumption due to efficient resource sharing (D)</p> Signup and view all the answers

What role does a hypervisor play in virtualization?

<p>It allows multiple virtual machines to run on a single physical machine (A)</p> Signup and view all the answers

Which of the following is a fundamental principle of virtualization?

<p>It abstracts the underlying physical hardware for multiple users (D)</p> Signup and view all the answers

What is a primary advantage of using virtual server clustering?

<p>It ensures high availability by distributing workloads across servers (A)</p> Signup and view all the answers

Which characteristic distinguishes three-tier network topologies?

<p>The core layer ensures fault tolerance and availability (A)</p> Signup and view all the answers

How does controller-based networking differ from traditional networking?

<p>It centralizes control for easier management and automation (D)</p> Signup and view all the answers

Flashcards

Traffic Policing

Ensuring consistent data flow and preventing congestion at network edges.

Uninterrupted Forwarding

Maintaining network performance by ensuring uninterrupted data forwarding across devices.

Packet Inspection

Analyzing packets to identify and block malicious activities, protecting the network.

Collapsed Core Layer

Enforces routing policies in a two-tier network architecture, controlling data flow between networks.

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Hypervisor

Software that creates virtual machines, allowing one physical server to run multiple operating systems.

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Infrastructure-as-a-Service (IaaS)

A cloud computing service where users install and manage their custom operating systems on virtual machines, providing flexibility.

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Virtual Network Devices

The ability to create and manage virtual network devices, connecting virtual machines and physical networks.

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Virtual Machines

Software-based operating system instances running independently from the physical server hardware.

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Access Points

Wireless devices connect to the wired network through these gateways, providing wireless connectivity in enterprises.

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Layer 3 Devices

Connects different networks, enabling data communication between them.

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SFP Modules

Modules for networking devices that offer both copper and fiber connections, with swappable capabilities for quick replacements.

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Spine-and-Leaf Architecture

A network topology where every device is equidistant from each other, ensuring efficient communication.

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Three-Tier Network Topology

A network topology with three layers: core, distribution, and access, offering robust connectivity.

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Core Layer (Three-Tier)

The core layer in a three-tier topology ensures uninterrupted network connectivity even during failures.

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Distribution Layer (Three-Tier)

The distribution layer in a three-tier topology utilizes both Layer 2 and Layer 3 technologies.

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Timely Data Transfer

Enabling fast and efficient data transfer between network layers.

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Virtualization

Virtualization of physical components like CPU, memory, and storage, allowing efficient execution of virtual machines.

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Cloud Services and Sustainability

Cloud services reduce energy consumption and promote remote work, contributing to environmental sustainability.

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End User Connectivity

End users require direct connectivity for seamless access to network resources.

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Two-Tier Network Architecture

A network architecture with two main layers: the access layer and the core layer.

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Study Notes

Network Functions and Architectures

  • End user devices require direct connectivity for efficient access.
  • Traffic policing is essential at the edge of the network to manage data flow.
  • Uninterrupted forwarding service is critical for maintaining network performance.
  • Packet inspection is necessary to detect and mitigate malicious activities.
  • Timely data transfer between different network layers enhances overall functionality.

Core Layer Functions

  • The collapsed core layer enforces routing policies in a two-tier architecture.

Cloud and Virtualization Concepts

  • Virtual machines run efficiently via hypervisors, enabling virtualization of physical components like CPU, memory, and storage.
  • Infrastructure-as-a-Service (IaaS) allows users to install custom operating systems on virtual machines.
  • Cloud services contribute to reducing energy costs and promoting telecommuting, supporting environmental sustainability.
  • A fundamental of virtualization includes enabling logical network devices to manage traffic between virtual machines and physical networks.

Virtual Machine Operations

  • Virtual machines are operating system instances that function independently from server hardware, facilitating resource management.
  • Access points connect wireless devices to wired networks, playing a vital role in enterprise connectivity.

Layer 3 Device Functionality

  • The primary role of a Layer 3 device is passing traffic between different networks.

SFP Module Interfaces

  • Both copper and fiber interfaces using SFP modules provide hot-swappable functionality, allowing minimal service interruption.

Topology Architectures

  • In spine-and-leaf architecture, each device is equidistantly separated by the same number of hops, ensuring efficient communication.
  • Three-tier network topologies consist of a core layer that guarantees connectivity continuity during device failures, and the distribution layer operates using both Layer 2 and Layer 3 technologies.

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Related Documents

CCNAv7_questions.pdf

Description

Test your understanding of key networking functions and two-tier architecture in this quiz. Questions focus on connectivity, packet inspection, and the roles of different layers in network design. Perfect for students learning about computer networking.

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