WGU D415: (SDN) Software-Defined Networking
OA| Objective Assessment
1. What is the primary purpose of Software-Defined Networking (SDN)?
A. Increase router hardware speed
B. Separate control and data planes
C. Replace Ethernet
D. Remove firewalls
2. In traditional networking, the control plane and data plane are:
A. Virtualized
B. Separated
C. Combined in devices
D. Cloud-hosted
3. The SDN controller primarily operates in which plane?
A. Data plane
B. Application plane
C. Control plane
D. Transport plane
4. Which of the following is a key benefit of SDN?
A. Manual configuration
B. Hardware dependency
C. Centralized management
D. Static routing only
5. Which component forwards packets based on controller instructions?
A. Controller
B. Switch
C. Application
D. Hypervisor
6. What does programmability in SDN allow?
A. Physical rewiring
B. Dynamic network configuration
C. Slower routing
D. Device replacement
7. Northbound APIs connect:
A. Switch to switch
B. Controller to applications
, C. Router to ISP
D. Firewall to VLAN
8. Southbound APIs connect:
A. Controller to switches
B. Users to cloud
C. Apps to servers
D. VLAN to VPN
9. Which plane makes traffic decisions?
A. Data
B. Control
C. Physical
D. Transport
10. Which of the following is true about SDN?
A. It eliminates switches
B. It removes routing
C. It centralizes control logic
D. It disables VLANs
11. OpenFlow operates between:
A. Router and ISP
B. Controller and switch
C. Firewall and server
D. User and database
12. OpenFlow is considered which type of interface?
A. Northbound
B. East-west
C. Southbound
D. WAN
13. A flow table in OpenFlow contains:
A. Email logs
B. Packet forwarding rules
C. User passwords
D. DNS entries
14. What triggers a packet to be sent to the controller?
A. Known flow
B. Unknown flow
C. VLAN tag
D. ARP table
15. OpenFlow increases:
A. Vendor lock-in
B. Centralized control
OA| Objective Assessment
1. What is the primary purpose of Software-Defined Networking (SDN)?
A. Increase router hardware speed
B. Separate control and data planes
C. Replace Ethernet
D. Remove firewalls
2. In traditional networking, the control plane and data plane are:
A. Virtualized
B. Separated
C. Combined in devices
D. Cloud-hosted
3. The SDN controller primarily operates in which plane?
A. Data plane
B. Application plane
C. Control plane
D. Transport plane
4. Which of the following is a key benefit of SDN?
A. Manual configuration
B. Hardware dependency
C. Centralized management
D. Static routing only
5. Which component forwards packets based on controller instructions?
A. Controller
B. Switch
C. Application
D. Hypervisor
6. What does programmability in SDN allow?
A. Physical rewiring
B. Dynamic network configuration
C. Slower routing
D. Device replacement
7. Northbound APIs connect:
A. Switch to switch
B. Controller to applications
, C. Router to ISP
D. Firewall to VLAN
8. Southbound APIs connect:
A. Controller to switches
B. Users to cloud
C. Apps to servers
D. VLAN to VPN
9. Which plane makes traffic decisions?
A. Data
B. Control
C. Physical
D. Transport
10. Which of the following is true about SDN?
A. It eliminates switches
B. It removes routing
C. It centralizes control logic
D. It disables VLANs
11. OpenFlow operates between:
A. Router and ISP
B. Controller and switch
C. Firewall and server
D. User and database
12. OpenFlow is considered which type of interface?
A. Northbound
B. East-west
C. Southbound
D. WAN
13. A flow table in OpenFlow contains:
A. Email logs
B. Packet forwarding rules
C. User passwords
D. DNS entries
14. What triggers a packet to be sent to the controller?
A. Known flow
B. Unknown flow
C. VLAN tag
D. ARP table
15. OpenFlow increases:
A. Vendor lock-in
B. Centralized control
