Network Architecture

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Which type of hypervisor is installed directly on top of the server's firmware?

Type 1

How does a vNIC get a MAC address without manual intervention?

Upon creation, each vNIC is automatically assigned a MAC address.

What virtual, logically defined device operates primarily at the data link layer to pass frames between nodes?

Virtual switch

Which of the following features of a network connection between a switch and server is not improved by link aggregation?

Bandwidth

How is licensing an important concern when using virtualization?

Because every instance of commercial software requires its own license, every VM that uses such software comes with added cost.

Which virtual network connection type assigns a VM its IP address from the physical network?

Bridged

Which cloud characteristic ensures you can manage cloud resources from an iPad?

Broad network access

What type of adapters are required on servers in an FCoE storage network?

CNAs (converged network adapters)

Which type of switch is best used for connections to web servers?

Edge switch

List two advantages to using virtualization on a network.

Efficient use of resources Cost and energy savings Fault and threat isolation Simple backups, recovery, and replication

When shopping for a new router, what does the MTBF tell you?

How long devices like this one will last on average until the next failure

What software allows you to define VMs and manage resource allocation and sharing among VMs on a host computer?

Hypervisor

When you set private IP address ranges for servers in your cloud, what service model are you using?

IaaS

What are two use cases for a VIP (virtual IP address)?

In some cases, you might have a set of IP addresses to share among multiple hosts. Another scenario is when pooling servers that host VMs.

Which SDN plane moves traffic from switch port to switch port?

Infrastructure plane

List available options for connecting to cloud resources.

Internet VPN remote access connections leased line private or dedicated direct connection

Which protocol balances traffic across multiple links?

LACP

What protocol is most often used to bond ports between a switch and a busy server?

LACP (Link Aggregation Control Protocol)

Which device can manage traffic to multiple servers in a cluster so all servers equally share the traffic?

Load balancer

What information does the switchport port-security command use to restrict access to a switch's interface?

MAC address

Which is longer for a reliable device?

MTBF

With which network connection type does the VM obtain IP addressing information from its host?

NAT mode

Which network architecture technique are you using when you run a virtual router on a network?

NFV

Which cloud management technique executes a series of tasks in a workflow?

Orchestration

Which cloud service model gives software developers access to multiple platforms for testing code?

PaaS

Which STP bridge serves as the basis for all path calculations?

Root bridge

What kind of device can be used to configure and manage physical and virtual networking devices across the network?

SDN (software-defined networking) controller

Which type of switch connects all devices in a rack to the rest of the network?

ToR switch

Which SAN connection technology can run over ordinary Ethernet NICs without any special equipment needed?

iSCSI

Only one ____________________ exists on a network using STP.

root bridge


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