Verified And Well Analyzed Exam Questions (Actual Exam
2026-2027) Correct Detailed & Verified ANSWERS (100%
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The network-control applications are programs that manage the underlying network with
the help of the SDN controller. - ANSWERS-true
In SDN networks forwarding rules of traffic still have to be based on IP destination and
cannot be based on other metrics, packet header info etc. - ANSWERS-false
SDN-controlled switches operate on the: - ANSWERS-Data plane
In an SDN Architecture, the northbound interface keeps track of information about the
state of the hosts, links, switches and other controlled elements in the network, as well
as copies of the flow tables of the switches. - ANSWERS-false
In SDN networks, the southbound interface is responsible for the communication
between SDN controller and the controlled devices. - ANSWERS-true
In SDN networks, the controller needs to be implemented over a centralized server. -
ANSWERS-false
A few of the main reasons that SDN arose are: a diversity of different network
equipment (eg routers, switches, firewalls, etc.) using different protocols that made
managing the network difficult, and second a lack of a central platform to control
network equipment. - ANSWERS-true
The main idea behind SDNs is to divide tasks into smaller functions so the code is more
modular and easy to manage. - ANSWERS-true