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