Network virtualization Flashcards
Which cloud service provides programmers access to the development tool and services used to deliver applications?
SaaS.
PaaS.
Iaas.
PaaS.
Which cloud service provides users with access to services such as email, communications, and Office 365 delivered over the internet?
SaaS.
PaaS.
Iaas.
SaaS.
Which cloud service provides IT managers with access to network equipment, virtualized services, and a supporting network infrastructure?
SaaS.
PaaS.
Iaas.
Iaas.
Which cloud model represents two or more clouds where each part remains a distinctive object, but both are connected using a single architecture?
Public cloud.
Private cloud.
Hybrid cloud.
Community cloud.
Hybrid cloud.
Which cloud model is used to meet the needs of a specific industry, such as healthcare or media?
Public cloud.
Private cloud.
Hybrid cloud.
Community cloud.
Community cloud.
What technology separates the OS from the hardware?
Web application.
Virtualization.
Dedicate servers.
Firmware.
Virtualization.
What device uses all the RAM, processing power, and hard drive space devoted to one service?
Virtual machine.
Type 1 hypervisor.
Dedicated server.
Virtualized server.
Dedicated server.
Which technology is a program, firmware, or hardware that adds an abstraction layer on top of the physical hardware?
Web application.
Virtualization.
Dedicated server.
Hypervisor.
Hypervisor.
What are the major advantages of virtualization? (Choose three)
Requires less equipment.
Less abstraction.
Fewer operating systems.
Faster provisioning.
Increased server uptime.
Requires less equipment.
Faster provisioning.
Increased server uptime.
Which technology is installed on top of the existing OS to create and run VM instances?
Type 2 hypervisor.
Web applications.
Virtualization.
Dedicated servers.
Type 2 hypervisor.
True or False. A Type 1 hypervisor is installed on top of the existing OS and is called the hosted approach.
True.
False.
False.
True of False. A Type 1 hypervisor requires a management console to manage the hypervisor.
True.
False.
True.
True or False. Management consoles prevent server over allocation.
True.
False.
False.
True of False. East-West traffic is exchanged between virtual servers in the same data center.
True.
False.
True.
Which characteristic best describes the control plane of a networking device? (Choose three.)
Information sent to this plane is processed by the CPU.
This plane is also called the forwarding plane.
This plane makes forwarding decisions.
This plane contains router protocol neighbor and topology tables.
This plane is responsible for switching frames out the interfaces.
Information sent to this plane is processed by the CPU.
This plane makes forwarding decisions.
This plane contains router protocol neighbor and topology tables.
Which characteristics best describe the data plane of a networking device? (Choose three.)
This plane is the brains of the device.
This plane is used to forward traffic flows.
Information in this plane is typically processed by a special processor.
This plane contains IPv4 and IPv6 Routing tables.
This plane is typically made up of a switch fabric connecting the various ports on a device.
This plane is used to forward traffic flows.
Information in this plane is typically processed by a special processor.
This plane is typically made up of a switch fabric connecting the various ports on a device.
True of False. A network administrator accesses the control plane to configure a device.
True.
False.
False.
This network architecture offers a new approach to network administration and management that seeks to simplify and streamline the administration process.
Network virtualization.
SDN.
Cisco ACI.
Centralized controller.
SDN.
This is a logical entity that enables network administrators to manage and dictate how the data plane of switches and routers should handle network traffic.
Control plane.
Data plane.
VM.
SDN controller.
SDN controller.
This is a standardized request from the SDN controller to define the behavior of the data plane.
North-South traffic.
Northbound APIs.
East-West traffic.
Southbound APIs.
Southbound APIs.
This is a table that matches incoming packets to a particular flow and specifies the functions that are to be performed on the packet.
Neighbor table.
Routing table.
Flow table.
ARP table.
Meter table.
Flow table.
This is a table that triggers a variety of performance-related actions on a flow including the ability to rate-limit the traffic.
Neighbor table.
Routing table.
Flow table.
ARP table.
Meter table.
Meter table.
This type of SDN, a centralized location is responsible for managing devices throughout the network.
Device-based SDN.
Controller-based SDN.
Policy-based SDN.
Controller-based SDN.
In this type of SDN, the devices are programmable by applications running on the device itself or on a server in the network.
Device-based SDN.
Controller-based SDN.
Policy-based SDN.
Device-based SDN.
This type of SDN uses built-in applications that automate advanced configuration tasks via a guided workflow and user-friendly GUI. No programming skills are required.
Device-based SDN.
Controller-based SDN.
Policy-based SDN.
Policy-based SDN.
A company uses a cloud-based payroll system. Which cloud computing technology is this company using?
Browser as a service (BaaS).
Infrastructure as a service (Iaas).
Software as a service (SaaS).
Wireless as a service (Waas).
Software as a service (SaaS).
For a data center, what is the difference in the server virtualization data traffic compared with the traditional client-server model?
There is more data traffic flowing from virtual servers to clients.
Data traffic from clients will be routed to multiple virtual servers.
More network control traffic is generated between virtual servers and clients.
There are significant data exchanges between virtual servers.
There are significant data exchanges between virtual servers.
Which component in a traditional infrastructure device provides Layer 2 and Layer 3 functions to create data paths within a network?
Data plane.
Adjacency table.
Control plane.
Forwarding information base.
Control plane.
Which network traffic management technology is a basic element in SDN implementations?
Interface to the Routing System.
IEEE 802.1aq.
OpenFlow.
OpenStack.
OpenFlow.
Which two technologies are core components of Cisco ACI architecture? (Choose two.)
OpenFlow enabled switches.
Interface to the routing system.
Application network profile.
Transparent interconnection of Lots of Links.
Application Policy Infrastructure Controller.
Application network profile.
Application Policy Infrastructure Controller.
Which Cloud computing service would be best for a new organization that cannot afford physical servers and networking equipment and must purchase network services on-demand?
ITaaS.
IaaS.
PaaS.
SaaS.
IaaS.
Which services are provided by a private cloud?
Secure communications between sensors and actuators.
Multiple internal IT services in an enterprise.
Online services to trusted vendors.
Encrypted data storage in cloud computing.
Multiple internal IT services in an enterprise.
What are two reasons an organization might use cloud computing? (Choose two.)
Enables connectivity between disparate networks.
Increases cooperate use of technology resources.
Provides power and physical plants capable of meeting increased requirements.
Enables global access to corporate data.
Reduces the time needed for maintenance windows.
Provides power and physical plants capable of meeting increased requirements.
Enables global access to corporate data.
What is a characteristic of data flow processing in SDN?
Each data flow through the network must be approved by the SDN controller first.
The SDN controller routes a data flow first and the data plane will use policies to permit or deny the flow.
OpenStack is used to construct the entry in switches to facilitate data forwarding.
The SDN controller attaches an entry to each packet to identify the flow.
Each data flow through the network must be approved by the SDN controller first.
What are three abstraction layers of a computer system? (Choose three.)
Security.
Data.
Services.
Network.
Hardware.
firmware.
Services.
Hardware.
firmware.
In software defined network architecture, what function is removed from network devices and performed by an SDN controller?
Security.
Application policies.
Data plane.
Control plane.
Control plane.
Which term describes the data exchanges between virtual servers in a data center?
Vertical traffic.
East-west traffic.
North-south traffic.
Backbone traffic.
East-west traffic.
How is the control plane modified to operate with network virtualization?
A hypervisor is installed in each device to allow multiple instances of the control plane.
The control plane function is consolidated into a centralized controller.
The control plane on each device is interconnected to a dedicated high-speed network.
Control plane redundancy is added to each network device.
The control plane function is consolidated into a centralized controller.
Which Cloud computing service would be best for an organization that needs to collaboratively create applications and deliver them over the web?
PaaS.
IaaS.
ITaaS.
SaaS.
PaaS.
