a. What are the benefits of Software-Defined Networking?

15a1.) SDN holds the promise of bringing ______.

a. Lower costs

b. Lower agility

c. Both A and B

d. Neither A nor B

15a2.) SDN can ______.

a. Permit routing rules to be changed rapidly

b. Reduce router costs

c. Both A and B

d. Neither A nor B

b. Distinguish between the control function and the forwarding function.

15b1.) Creating switching tables is an example of ______.

a. Forwarding

b. Routing complexity

c. Hardwiring

d. Control

15b2.) Creating routing tables is an example of ______ .

a. Forwarding

b. Routing complexity

c. Hardwiring

d. Control

15b3.) Routing packets are an example of ______ .

a. Forwarding

b. Routing complexity

c. Hardwiring

d. Control

c. Where was the control function placed traditionally?

15c1.) Control is done on individual switches and routers in ______ .

a. Traditional operation

b. SDN

c. Both A and B

d. Neither A nor B

15c2.) Forwarding functions are located in routers in ______ .

a. Traditional operation

b. SDN

c. Both A and B

d. Neither A nor B

15c3.) In SDN, a switch receives its forwarding table rules directly from ______ .

a. The SDN controller

b. An SDN management application

c. Another switch

d. An SNMP manager

d. Where is it placed in SDN?

15d.) In SDN, which device manages the control function for individual devices?

a. SNMP manager console

b. Forwarding device itself

c. SDN policy server

d. SDN controller

e. What do northbound APIs connect?

15e.) Communication between SDN applications and SDN controllers is governed by ______ .

a. Northbound APIs

b. Southbound APIs

c. Both A and B

d. Neither A nor B

f. What do southbound APIs connect?

15f.) Communication between SDN controllers and routers is governed by ______ .

a. Northbound APIs

b. Southbound APIs

c. Both A and B

d. Neither A nor B

g. Which type of API must router and switch designers support?

15g.) Routers and switches must support ______ .

a. northbound APIs

b. Southbound APIs

c. Both A and B

d. Neither A nor B

h. Why are applications necessary for SDN to be successful?

15h.) In SDN, applications ______ .

a. Increase network management labor

b. Are required to make SDN work effectively

c. Both A and B

d. Neither A nor B