WGU D415 – SDN UESTIONS WITH
COMPLETE SOLUTIONS GRADED +
Which OSI model layer is responsible for the segment protocol data unit?
Network
Transport
Application
Data link Answer - Transport
Which protocol in the software-defined networking (SDN) framework is responsible
for defining the communication between the controller and a network device?
OpenFlow
Telnet
Point-to-point
Address resolution Answer - OpenFlow
Which network automation tool is open source?
BlueCat gateway
Chef
Ansible
Puppet Enterprise Answer - Ansible
What is a benefit of using network automation?
Backing up and restoring data
Using infrastructure as code to maintain a reliable state
Dynamic allocation of IP addresses
Boosting storage Answer - Using infrastructure as code to maintain a reliable state
Which service introduces flexibility, dynamism, and automation into the management
of network objects?
Open source for network functions virtualization (NFV)
OpenStack
Network functions virtualization (NFV)
Software-defined networking (SDN) Answer - Software-defined networking (SDN)
,Which OpenStack unit provides authentication?
Cinder
Nova
Keystone
Neutron Answer - Keystone
Which interface in SDN allows the controller to communicate, interact, and manage
forwarding elements?
Westbound
Flow ID
Southbound
Eastbound Answer - Southbound
Which OpenFlow SDN controller has a multi-threaded, cross-platform, and modular
emphasis?
FlowVisor
OpenDaylight (ODL) Project
Floodlight
Beacon Answer - Beacon
Which port number is used as the destination of a server by Dynamic Host
Configuration Protocol?
23
53
67
68 Answer - 67
Which IPv6 address identifies each network interface?
Multicast
Broadcast
Anycast
Unicast Answer - Anycast
Which network virtualization (NV) approach refers to a logical local area network
(LAN) based on physical LANs?
Virtual private networks (VPN)
Virtual private LAN services (VPLS)
Virtual LANs (VLANs)
Wide area network (WAN) Answer - Virtual LANs (VLANs)
Which network virtualization benefit involves using virtual networks to create slices to
reserve networking resources?
Debugging and intrusion detection
, Resource optimization
Mobility
Testing/quality assurance Answer - Debugging and intrusion detection
Which layer 2 virtual networking device is responsible for controlling data frames to
connected devices?
Router
Hub
Bridge
Switch Answer - Switch
Which virtual networking protocol is used to support VPNs and does not provide
encryption?
Layer 2 Tunneling Protocol (L2TP)
Point-to-Point Protocol (PPP)
Internet Key Exchange version 2 (IKEv2)
Secure Socket Layer (SSL) Answer - Layer 2 Tunneling Protocol (L2TP)
What is the AAA mechanism responsible for granting user privileges to network
resources?
Authorization
Authentication
Accounting
Availability Answer - Authorization
Which authentication type validates a user based on what the person knows?
Retinal scans
Swipe card
Password
Unique tokens Answer - Password
Which phase of an attack involves the attacker gathering information about the
target?
Escalating privileges
Exploiting the system
Clearing tracks
Reconnaissance Answer - Reconnaissance
Which term refers to a weakness or gap in a security system that can be exploited by
an attacker?
Threat
Vulnerability
Attack
Risk Answer - Vulnerability
COMPLETE SOLUTIONS GRADED +
Which OSI model layer is responsible for the segment protocol data unit?
Network
Transport
Application
Data link Answer - Transport
Which protocol in the software-defined networking (SDN) framework is responsible
for defining the communication between the controller and a network device?
OpenFlow
Telnet
Point-to-point
Address resolution Answer - OpenFlow
Which network automation tool is open source?
BlueCat gateway
Chef
Ansible
Puppet Enterprise Answer - Ansible
What is a benefit of using network automation?
Backing up and restoring data
Using infrastructure as code to maintain a reliable state
Dynamic allocation of IP addresses
Boosting storage Answer - Using infrastructure as code to maintain a reliable state
Which service introduces flexibility, dynamism, and automation into the management
of network objects?
Open source for network functions virtualization (NFV)
OpenStack
Network functions virtualization (NFV)
Software-defined networking (SDN) Answer - Software-defined networking (SDN)
,Which OpenStack unit provides authentication?
Cinder
Nova
Keystone
Neutron Answer - Keystone
Which interface in SDN allows the controller to communicate, interact, and manage
forwarding elements?
Westbound
Flow ID
Southbound
Eastbound Answer - Southbound
Which OpenFlow SDN controller has a multi-threaded, cross-platform, and modular
emphasis?
FlowVisor
OpenDaylight (ODL) Project
Floodlight
Beacon Answer - Beacon
Which port number is used as the destination of a server by Dynamic Host
Configuration Protocol?
23
53
67
68 Answer - 67
Which IPv6 address identifies each network interface?
Multicast
Broadcast
Anycast
Unicast Answer - Anycast
Which network virtualization (NV) approach refers to a logical local area network
(LAN) based on physical LANs?
Virtual private networks (VPN)
Virtual private LAN services (VPLS)
Virtual LANs (VLANs)
Wide area network (WAN) Answer - Virtual LANs (VLANs)
Which network virtualization benefit involves using virtual networks to create slices to
reserve networking resources?
Debugging and intrusion detection
, Resource optimization
Mobility
Testing/quality assurance Answer - Debugging and intrusion detection
Which layer 2 virtual networking device is responsible for controlling data frames to
connected devices?
Router
Hub
Bridge
Switch Answer - Switch
Which virtual networking protocol is used to support VPNs and does not provide
encryption?
Layer 2 Tunneling Protocol (L2TP)
Point-to-Point Protocol (PPP)
Internet Key Exchange version 2 (IKEv2)
Secure Socket Layer (SSL) Answer - Layer 2 Tunneling Protocol (L2TP)
What is the AAA mechanism responsible for granting user privileges to network
resources?
Authorization
Authentication
Accounting
Availability Answer - Authorization
Which authentication type validates a user based on what the person knows?
Retinal scans
Swipe card
Password
Unique tokens Answer - Password
Which phase of an attack involves the attacker gathering information about the
target?
Escalating privileges
Exploiting the system
Clearing tracks
Reconnaissance Answer - Reconnaissance
Which term refers to a weakness or gap in a security system that can be exploited by
an attacker?
Threat
Vulnerability
Attack
Risk Answer - Vulnerability
