Network Virtualization
Quiz by Dr Suriya S - PSGCT
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- Q1
These Challenges:
(1) Physical switch must be aware of VLAN numbers in order to enable VM to have local broadcast level communication from one device to another device in the same VLAN.
(2) Not only the physical switches needs to be aware but the routing services needs to be aware of VLAN details.
Traditional Networking
Network Virtualization
Both Traditional Networking and Network Virtualization
30s - Q2
These difficulties are faced:
(1) Long extended hairpin bends all the way through physical switch and physical router is not efficient for networking. (2) If we want a new VLAN, we need to configure that to support VMs that are going to be isolated from everything else. (2.1) Need for configuration of new VLAN (VLAN 700) in all hypervisor hosts.
(2.2) Need for configuration of new VLAN (VLAN 700) in physical switch and router.
Both Traditional Networking and Network Virtualization
Network Virtualization
Traditional Networking
30s - Q3
Which team focusses on VMs and making sure that VMs are working and accessible ?
Virtualization Team
Networking Team
30s - Q4
In traditional networking, hypervisor hosts will never provide routing.
True
False
30s - Q5
In traditional networking, not only the physical switches needs to be aware but the routing services needs to be aware of VLAN details.
False
True
30s - Q6
In case of network virtualization, messages are encapsulated and goes through the physical switch to reach the destination.
False
True
30s - Q7
Once the encapsulated message reaches the destination host(s), it is encapsulated, forwarded through the logical switch to the destination.
False
True
30s - Q8
In network virtualization, during communication between VMs in same network the physical switch can never see the message.
False
True
30s - Q9
In network virtualization, communication between VMs of different network, it does not involve any physical switch or router, hence the VMs remain isolated.
True
False
30s - Q10
In case of communication between VMs of different network: check the below sequence:
Source VM --> Logical Switch -->Physical Router --> Logical Switch --> Destination VM
True
False
30s