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Exam AZ-700 topic 2 question 6 discussion

Actual exam question from Microsoft's AZ-700
Question #: 6
Topic #: 2
[All AZ-700 Questions]

HOTSPOT -
Your company has an Azure virtual network named Vnet1 that uses an IP address space of 192.168.0.0/20. Vnet1 contains a subnet named Subnet1 that uses an
IP address space of 192.168.0.0/24.
You create an IPv6 address range to Vnet1 by using a CIDR suffix of /48.
You need to enable the virtual machines on Subnet1 to communicate with each other by using IPv6 addresses assigned by the company. The solution must minimize the number of additional IPv4 addresses.
What should you do? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:

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Suggested Answer:
Reference:
https://docs.microsoft.com/en-us/azure/virtual-network/ipv6-overview https://docs.microsoft.com/en-us/azure/virtual-network/ipv6-add-to-existing-vnet-powershell
by WorkHardBeProud at Oct. 21, 2021, 5:07 a.m.

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Wesgo
Highly Voted 3 years, 6 months ago
1) Correct: /64 Explanation: The subnets for IPv6 must be exactly /64 in size. This ensures future compatibility should you decide to enable routing of the subnet to an on-premises network since some routers can only accept /64 IPv6 routes. Source: https://docs.microsoft.com/en-us/azure/virtual-network/ip-services/ipv6-overview 2) Correct: Public IPv6 Address Explanation: Add IPv6 configuration to NIC. "Configure all of the VM NICs with an IPv6 address using Add-AzNetworkInterfaceIpConfig" Source: https://docs.microsoft.com/en-us/azure/load-balancer/ipv6-add-to-existing-vnet-powershell
upvoted 31 times
ian2387
3 years ago
I didnt understand. how can public ipv6 be correct. It is IP configuration as per your explanation as well
upvoted 6 times
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Windows98
3 years, 6 months ago
Your IPV6 address is already public. The powershell config for this has separate IPV4 and IPV6 config blocks and I think examtopics is correct in this instance.
upvoted 8 times
sleekdunga
3 years, 2 months ago
The correct answer was even embedded in his powershell script "Add-AzNetworkInterfaceIpConfig" Implying IP Configurations at the NIC level.
upvoted 6 times
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jelley
Highly Voted 3 years, 6 months ago
Even based on the stated it should make sense: And regarding the total VNET uses /48, thus it can never be lower and considering the probable need for another subnet at a later point /64 is the most likely. You can add multiple IP configurations to a NIC thus NIC is incorrect (1x ipv4 and an ipv6 to 1 NIC). It can't be public IP's because we are talking about internal transfers thus IP Configuration is correct
upvoted 17 times
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ZQasqas
Most Recent 8 months, 1 week ago
First question is: /64 https://learn.microsoft.com/en-us/azure/virtual-network/ip-services/ipv6-overview Second question is: IP configurations Add IPv6 configuration to virtual machine: https://learn.microsoft.com/en-us/azure/virtual-network/ip-services/add-dual-stack-ipv6-vm-portal?tabs=azureportal#add-ipv6-configuration-to-virtual-machine
upvoted 2 times
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VeryOldITGuy
1 year, 2 months ago
In Exam Feb 2024
upvoted 2 times
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_Cris
1 year, 7 months ago
appears on exam, 19 Sept 2023
upvoted 2 times
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Billabongs
1 year, 9 months ago
It shows ipv4 and ipv6 configured under the same NICs. (Configured using PowerShell) https://learn.microsoft.com/en-US/azure/load-balancer/ipv6-add-to-existing-vnet-powershell#view-ipv6-dual-stack-virtual-network-in-azure-portal
upvoted 1 times
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Ayokun
2 years, 2 months ago
Wouldn't be better give a new NIC dedicated with the IPv6??? i think the correct answer is: /64 NIC since you can't do it on the already exsisting one that uses the old subnet
upvoted 1 times
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LeonTH
2 years, 2 months ago
maledetti
upvoted 5 times
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liono
2 years, 3 months ago
Given answers are correct!
upvoted 1 times
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yamapan
2 years, 4 months ago
URL is outdated; this islatest https://learn.microsoft.com/en-US/azure/load-balancer/ipv6-add-to-existing-vnet-powershell
upvoted 2 times
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HasanHHH
2 years, 6 months ago
Answer: /64 - IP configuration #Add IPv6 prefix to the VNET $vnet.addressspace.addressprefixes.add("fd00:db8:deca::/48") #Add IPv6 prefix to the Subnet (smaller than addressspace) $subnet.addressprefix.add("fd00:db8:deca::/64") https://learn.microsoft.com/en-us/azure/load-balancer/ipv6-add-to-existing-vnet-powershell A single service instance can connect with both IPv4 and IPv6, IPv6-only are not supported, each NIC must include at least one IPv4 IP configuration.
upvoted 6 times
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Pradh
2 years, 7 months ago
100% CORRECT ANSWER : /64 & IP Configuration .
upvoted 5 times
sapien45
2 years, 7 months ago
100% unhelpful comment
upvoted 24 times
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hogs
2 years, 8 months ago
Appeared on exam Aug2022
upvoted 3 times
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1particle
2 years, 9 months ago
Correct. /64 and IP configuration https://docs.microsoft.com/en-us/azure/virtual-network/ip-services/ipv6-overview#capabilities https://docs.microsoft.com/en-us/answers/questions/442977/unable-to-add-ipv6-address-to-existing-azure-netwo.html
upvoted 6 times
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unclegrandfather
2 years, 10 months ago
Appeared on exam 6/28/22
upvoted 2 times
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kogunribido
2 years, 10 months ago
Appeared on exam 6/27/2022
upvoted 2 times
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Edward1
3 years ago
Answer: /64 - IP configuration You can add as many private and public IPv4 addresses as necessary to a network interface, within the limits listed in the Azure limits article. You can add a private IPv6 address to one secondary IP configuration (as long as there are no existing secondary IP configurations) for an existing network interface. Each network interface may have at most one IPv6 private address. https://docs.microsoft.com/en-us/azure/virtual-network/ip-services/virtual-network-network-interface-addresses
upvoted 4 times
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