Virtual Networking and SDN Questions

What is the primary purpose of virtual networking?

• To replace physical networks entirely

• To enable communication between devices over a software-defined framework

• To increase internet speed

• To eliminate the need for routers and switches

Which of the following best describes a VLAN (Virtual LAN)?

• A separate physical network for each department

• A logically segmented network within a single physical network

• A direct connection between two remote networks

• A network that requires no configuration

How does a VPN (Virtual Private Network) enhance security?

• It hides the user’s IP address completely

• It encrypts data transmitted over public networks

• It prevents network congestion

• It disables network firewalls

Which of the following is an example of network virtualization?

• Using VLANs to segment a corporate network

• Configuring a Wi-Fi router at home

• Using a direct Ethernet connection between two computers

• Disabling network access to certain employees

Which cloud-based service commonly uses virtual networking?

• Microsoft Excel

• Amazon Web Services (AWS)

• Adobe Photoshop

• Windows Media Player

What is the key feature of Software-Defined Networking (SDN)?

• It uses traditional routers to control the network

• It separates the control plane from the data plane

• It eliminates the need for physical networks

• It requires manual configuration of all devices

Which component in SDN is responsible for making network decisions?

• The router

• The switch

• The SDN controller

• The firewall

How does SDN improve network management?

• By requiring each device to be manually configured

• By centralizing control through a software-based controller

• By reducing the number of network administrators needed

• By eliminating security concerns

What protocol is commonly used for communication between the SDN controller and network devices?

• HTTP

• OpenFlow

• SMTP

• FTP

Which of the following is NOT a benefit of SDN?

• Increased flexibility in network management

• Centralized control of the network

• Requires more manual configuration

• Enhanced security policy enforcement