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WGU D415 | SOFTWARE-DEFINED
NETWORKING (SDN) | OBJECTIVE
ASSESSMENT EXAM 2026 ALL QUESTIONS AND
VERIFIED ANSWERS |RATED A+ | NEW AND
REVISED
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?
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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
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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
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Which cyber kill chain term implies actual detonation of the attack?
Exploitation
Command and control
Installation
Delivery - ANSWER- Exploitation
Which defensive in-depth mechanism watches activities on systems and
networks to determine attacks and repair the damages?
Preventive solutions
Detection and response
Survivability and recovery
Reconnaissance - ANSWER- Detection and response
Which organization is responsible for publishing security frameworks
and standards to help an organization achieve security outcomes?
Open Web Application Security Project (OWASP)
Internet Assigned Numbers Authority (IANA)
National Institute of Standards and Technology (NIST)
International Organization for Standardization (ISO) - ANSWER-
National Institute of Standards and Technology (NIST)
WGU D415 | SOFTWARE-DEFINED
NETWORKING (SDN) | OBJECTIVE
ASSESSMENT EXAM 2026 ALL QUESTIONS AND
VERIFIED ANSWERS |RATED A+ | NEW AND
REVISED
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?
,2|Page
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
,3|Page
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
, 4|Page
Which cyber kill chain term implies actual detonation of the attack?
Exploitation
Command and control
Installation
Delivery - ANSWER- Exploitation
Which defensive in-depth mechanism watches activities on systems and
networks to determine attacks and repair the damages?
Preventive solutions
Detection and response
Survivability and recovery
Reconnaissance - ANSWER- Detection and response
Which organization is responsible for publishing security frameworks
and standards to help an organization achieve security outcomes?
Open Web Application Security Project (OWASP)
Internet Assigned Numbers Authority (IANA)
National Institute of Standards and Technology (NIST)
International Organization for Standardization (ISO) - ANSWER-
National Institute of Standards and Technology (NIST)
