CS6250 Exam 2 Practice Questions UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
A few of the main reasons that SDN arose are: a diversity T
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.
The main idea behind SDNs is to divide tasks into smaller T
functions so the code is more modular and easy to
manage.
With SDNs the control plane and data plane have T
independent evolution and development.
In the SDN approach, the SDN controller is physically F
located at each router that is present in a network.
By separating the control plane and the data plane, T
controlling the router's behavior became easier using
higher order programs. For example, it is easier to update
the router's state or control the path selection.
In the SDN approach, ISPs or other third parties can take T
up the responsibility for computing and distributing the
router's forwarding tables.
, Having the software implementations for SDNs F
controllers increasingly open and publicly available
makes it hard to control, since any person could modify
the software easily.
In SDN networks, the SDN controller is responsible for F
the forwarding of traffic.
The network-control applications are programs that T
manage the underlying network with the help of the SDN
controller.
In SDN networks forwarding rules of traffic still have to F
be based on IP destination and cannot be based on
other metrics, packet header info etc.
SDN-controlled switches operate on the: A
A. Data plane
B. Control
In an SDN Architecture, the northbound interface keeps F
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.
In SDN networks, the southbound interface is responsible T
for the communication between SDN controller and the
controlled devices.
In SDN networks, the controller needs to be F
implemented over a centralized server.
An OpenFlow switch can function as a router. T
Determine which plane executes a network policy. A
A. Data Plane
B. Control Plane
C. Management Plane
D. All planes
Determine which type of network can implement load D
balancing.
A. Conventional networks
B. Software-Defined Networks
C. Neither conventional nor software-defined networks
D. Both conventional and software defined networks
CORRECT ANSWERS
A few of the main reasons that SDN arose are: a diversity T
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.
The main idea behind SDNs is to divide tasks into smaller T
functions so the code is more modular and easy to
manage.
With SDNs the control plane and data plane have T
independent evolution and development.
In the SDN approach, the SDN controller is physically F
located at each router that is present in a network.
By separating the control plane and the data plane, T
controlling the router's behavior became easier using
higher order programs. For example, it is easier to update
the router's state or control the path selection.
In the SDN approach, ISPs or other third parties can take T
up the responsibility for computing and distributing the
router's forwarding tables.
, Having the software implementations for SDNs F
controllers increasingly open and publicly available
makes it hard to control, since any person could modify
the software easily.
In SDN networks, the SDN controller is responsible for F
the forwarding of traffic.
The network-control applications are programs that T
manage the underlying network with the help of the SDN
controller.
In SDN networks forwarding rules of traffic still have to F
be based on IP destination and cannot be based on
other metrics, packet header info etc.
SDN-controlled switches operate on the: A
A. Data plane
B. Control
In an SDN Architecture, the northbound interface keeps F
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.
In SDN networks, the southbound interface is responsible T
for the communication between SDN controller and the
controlled devices.
In SDN networks, the controller needs to be F
implemented over a centralized server.
An OpenFlow switch can function as a router. T
Determine which plane executes a network policy. A
A. Data Plane
B. Control Plane
C. Management Plane
D. All planes
Determine which type of network can implement load D
balancing.
A. Conventional networks
B. Software-Defined Networks
C. Neither conventional nor software-defined networks
D. Both conventional and software defined networks
