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Network+ Chapter 7: Virtualization and Cloud Computing
Questions and Answers Graded A+
What software allows you to define VMs and
manage resource allocation and sharing among
them on a host computer?
A. Hypervisor
B. NVF (Network Functions Virtualizations)
C. SDN (software-defined technology)
D. Terminal Emulation - ANSWER -- A.
Hypervisor
- A Hypervisor, creates and manages a VM, and
manages resource allocation and sharing
between a host and any of its guest VMs.
What virtual, logically defined device operates at
the Data Link layer to pass frames between
nodes?
A. Virtual Firewall
B. Virtual Switch
C. Virtual Router
D. Virtual Load Balancer - ANSWER -- B.
Virtual Switch
- As soon as the virtual machine's vNIC is
selected, the hypervisor creates a connection
between that VM and the host. Depending on the
hypervisor, this connection might be called a
bridge or a switch. This vSwitch (virtual switch) or
bridge is a logically defined device that operates
at the Data Link layer to pass frames between
nodes.
With which network connection type does the VM
obtain IP addressing information from its host?
A. Bridged Mode
B. Managed Mode
C. NAT Mode
D. Host-Only Mode - ANSWER -- C. NAT
mode
- NAT MODE, a vNIC relies on the host machine
to act as a NAT device. The VM obtains IP
addressing information form its host, rather than
a server or router on the physical network.
Which cloud computing services model gives
software developers access to multiple operating
systems for testing?
A. IaaS
B. PaaS
C. SaaS
D. XaaS - ANSWER -- B. PaaS
- PaaS (Platform as a Service), developers often
require access to multiple platforms during the
development process. A platform in this context
includes the operating system, the runtime
libraries or modules the OS provides to
applications, and the hardware on which the OS
runs.
What service in Windows Server 2016
authenticates remote users and computers to the
Windows domain and its corporate network
resources?
A. Active Directory
B. Group Policy
C. Direct Access
D. RAS (Remote Access Service) -
ANSWER -- C. DirectAccess
- DirectAccess authenticates users to the
Windows domain.
Which remote access protocol is used over an
Ethernet network?
A. PPPoE
B. RAS
C. PPP
D. SLIP - ANSWER -- A. PPPoE
- When PPP Is used over an Ethernet network
(no matter that connection type), is known as
PPPoE (PPP over Ethernet).
