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NET125 - MODULE 7- NETWORK ARCHITECTURE EXAM SOLVED -9.
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NET125 - MODULE 7- NETWORK ARCHITECTURE EXAM SOLVED -9.
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NET125 - MODULE 7- NETWORK ARCHITECTURE EXAM SOLVED #9Access Layer - correct answer Workgroup switches connected directly to hosts. Also
called edge layer.
Aggregation Layer - correct answer A highly redundant mesh of connections between
multilayer switches or routers that provides routing within the corporate network as well
as traffic filtering and the network's connection to one or more wans. Also called
distributed layer.
Application plane - correct answer An SDN (software-defined networking) construct
corresponding to the OSI model's application layer where network applications
communicate with the network via apis (application programming interfaces).
Architecture - correct answer The overall design of a device, network, or other system.
In the context of a network, the architecture includes the devices involved, how they're
configured, the services implemented to support the network, and the way devices are
connected to the network.
Automatic failover - correct answer In the event of a component failure, the ability of a
redundant component to immediately assume the duties of the failed component.
Automation - correct answer The use of technology to perform a process or procedure
with minimal human interaction.
Bridge Protocol Data Unit (BPDU) - correct answer bpdus are a type of data messages
that are exchanged across the switches within an extended LAN that uses a Spanning
Tree Protocol (STP) topology.
Branch office - correct answer A remote location within the corporation's network that is
often connected over a WAN link or the open Internet.
Bridged mode - correct answer A type of network connection in which a vnic accesses a
physical network using the host machine's NIC. The bridged vnic obtains its own IP
address, default gateway, and subnet mask information from the physical LAN's DHCP
server.
Broadcast storm - correct answer When there is an accumulation of broadcast and
multicast packet traffic on the LAN coming from one or more network interfaces.
Common Address Redundancy Protocol (CARP) - correct answer A protocol that allows
a pool of computers or interfaces to share one or more IP addresses.
Cloud Computing - correct answer The flexible provision of data storage, applications,
or services to clients over a network.
, Cloud Service Model - correct answer Categories of cloud service types according to
the division of labor between customer and cloud provider for each service.
Clustering - correct answer A technique of grouping multiple devices so they appear as
a single device to the rest of the network.
Colocation facility - correct answer A data center facility that is shared by a variety of
providers. Also called a carrier hotel.
Community cloud - correct answer A cloud deployment model in which flexible data
storage, applications, or services are shared between multiple organizations but are not
available publicly.
Container - correct answer A lightweight, self-contained environment that provides the
services needed to run an application in nearly any OS environment.
Control Plane - correct answer The process of decision making, such as routing,
blocking, and forwarding, that is performed by protocols.
Core Layer - correct answer A group of highly efficient multilayer switches or routers
that support the network's backbone traffic.
Cloud services provider (CSP) - correct answer A business that offers one or more
cloud services to other businesses or individuals.
Daas (Desktop as a Service) - correct answer A cloud-service model in which desktop
services (that is, VDI) are provided virtually from a third-party provider.
Data plane (or Infrastructure plane) - correct answer An SDN (software-defined
networking) construct made up of physical or virtual devices that receive and send
network messages. Also called infrastructure plane.
Defense in depth - correct answer Layers of security implemented to protect a network
from multiple attack vectors.
Distribution Layer - correct answer The centralized control of many vms' access to a
network across a server cluster.
Durability - correct answer A resource's ongoing existence.
East-west traffic - correct answer The flow of traffic between peers within a network
segment.
Edge layer - correct answer Workgroup switches connected directly to hosts. Also
called access layer.
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