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70-741 > Implement an Advanced Network Infrastructure > Flashcards

Implement an Advanced Network Infrastructure Flashcards

1
Q

Which cmdlet would you use to enable RSS on a NIC named ‘NIC2’?

A

Set-NetadapterRss -Name ‘NIC2’ -Enabled $True

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2
Q

What load balancing / fail over feature allows multiple NIC to be placed into use for bandwidth aggregation and or traffic fail over to maintain connectivity in the event of a network component failure?

A

NIC teaming

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3
Q

Which cmdlet creates and external ACL for a vNIC that allows you to deny or allow inbound and outbound connections to a VM on a Hyper-V host based on port number?

A

Add-VMNetworkAdapterExtendedAcl

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4
Q

Which cmdlet would enable Data Centre Bridging on a NIC?

A

Enable-NetAdapterQos

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5
Q

Which cmdlet would install Data Centre Bridging on a server?

A

Install-WindowsFeature -Name Data-Center-Bridging

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6
Q

Which cmdlet creates a Generic Routing Encapsulation (GRE) tunnel?

A

Add-VpnS2SInterface

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7
Q

Which cmdlet would enable Remote Direct Memory Access on all RDMA-capable NICs on a server

A

Enable-NetAdapterRdma -Name “*”

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8
Q

Which interface in software defined networking (SDN) enables communication between the SDN controller and the network nodes (both physical or virtual switches and routers) so that the router can discover the network topology, define network flows, and implement request relayed to it?

A

Southbound API

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9
Q

Which cmdlet would you use to disable SMB multichannel on the server side

A

Set-SmbServerConfiguration -EnableMultiChannel $false

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10
Q

What protocols encapsulates packets and use IPSec to encrypt the site-to-site (S2S) tunnel between the tenant virtual networks and the external networks?

A

GRE over IKEv2 S2S

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11
Q

What type of NIC Teaming is supported in Active/Standby (Active/Passive) mode?

A

Stand-alone NIC teaming

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12
Q

Which network driver technology reduces Spin lock overhead by increasing the probability that software algorithms that share the data execute on the same CPU?

A

Receive side scaling (RSS)

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13
Q

Which cmdlet would enable Remote Direct Memory Access on a NIC

A

Enable-NetAdapterRDMA

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14
Q

Which technology in Server 2016 distributes tenant network traffic among virtual network resources, and provides high availability and scalability by allowing multiple servers to host the same workload?

A

Software Load Balancing (SLB)

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15
Q

Which cmdlet would disable SMB Multichannel on the client side?

A

Set-SmbClientConfiguration -EnableMultiChannel $false

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16
Q

If you plan to create multiple Generic Routing Encapsulation (GRE) tunnel, what must you specify for each tunnel with the Add-VpnS2SInterface cmdlet?

A

A unique GRE key for each tunnel

17
Q

What cmdlet creates a NIC team?

A

New-NetLbfoTeam

18
Q

Which cmdlet allows you to deny Remote Desktop connectons to a VM on Hyper-V

A

Add-VMNetworkAdapterExtendedAcl

19
Q

Which network driver technology enables the efficient distribution of network receive processing across multiple CPUs in multiprocessor systems

A

Receive side scaling (RSS)

20
Q

Which cmdlet will enable RSS on any NIC on a VM

A

Set-NetAdapterRss -Name * -Enabled $true

21
Q

Which service in Server 2016 is a network layer, 5-tuple (protocol, source and destination port numbers, source and destination IP addresses), stateful, multi tenant firewall that can install and configure firewall policies to help protect their virtual network from unwanted traffic originating from internet and intranet networks?

A

Datacentre Firewall

22
Q

What can you use to manage the following physical and virtual network infrastructure components centrally?

Hyper-V VMs

Virtual Switches

Physical network Switches

Physical network routers

Firewall software

A

Network Controller

23
Q

What level OS must a guest be to enable SR-IOV?

A

W8 - clients

S2012 - hosts

24
Q

What level OS must a host be to enable SR-IOV?

A

S2012

25
Q

What should be used to forward network traffic between a tenant virtual network and a tennant external network?

A

GRE over IKEv2 S2S.

26
Q

You want to distribute network traffice amoung multiple VMs on a single S2016 Hyper-V host with a vSwitch.

You have 8 physical 10GB NIC and 32 logical processors. You want to increase the scalbility of the VMs networking.

What configuration setting do you have to verify of configure?

A
  1. Verify thet hyper-threading is enabled
  2. Configure the Teaming mode as switch independent
  3. Configure the load balancing distribution mode as Dynamic
  4. Enable VMQ on the NIC
  5. Set base processot number and max processor number with Set-NetAdapterVmq
  6. Enable RSS with the Enable-NetAdapterRSS cmdlet
27
Q

You are configuring NIC teaming. You have chosen to implement Static teaming as the
teaming mode. What is your next step?

A

Static teaming requires that your Ethernet switches must be configured for NIC
teaming per the 802.3ad standard.

28
Q

When you are configuring SET in a test network, you can only use one Teaming mode.
What is it?

A

Switch independent mode is the only supported teaming mode in SET.

29
Q

You try to enable RSS in a virtual machine running Windows Server. You are unable to
do so. What could the possible reason(s) be?

A

In order to enable RSS on a virtual machine, your network adapters must support the
VMQ feature.

30
Q

You decide to implement QoS over DCB. What are the high-level steps that you must
complete?

A

The high-level steps are:

  1. Enable DCB on your physical switches
  2. Create QoS rules
  3. Install the DCB feature on your server(s)
  4. Define the traffic classes
  5. Enable the DCB settings
  6. Enable DCB on your network adapters
31
Q

What Windows PowerShell cmdlet can you use to enable RDMA on your server’s net-
work adapter?

A

You can enable RDMA on your network adapter, assuming they are RDMA-capable, by
using the Windows PowerShell Enable-NetAdapterRdma cmdlet.

32
Q

What is the main purpose of using network virtualization?

A

You can use network virtualization to manage network traffic by creating multiple
virtual networks, logically isolated, on the same physical network.

70-741 (5 decks)

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