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Virtualization And Cloud Computing

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Question 1
Free
True/False

 An enterprise-wide VPN can include elements of both the client-to-site and site-to-site models.

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False

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Question 2
Free
True/False

 After L2TP establishing a VPN tunnel, GRE is used to transmit L2TP data frames through the tunnel.

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False

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Question 3
Free
True/False

 PPP can support several types of Network layer protocols that might use the connection.

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False

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Question 4
Free
True/False

 A community cloud is a service shared between multiple organizations, but not available publicly.

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False

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Question 5
Free
True/False

 A Type 2 hypervisor installs on a computer before any OS, and is therefore called a bare-metal hypervisor.

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False

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Question 6
True/False

 Office 365 is an example of an SaaS implementation with a subscription model.

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True
False
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Question 7
True/False

 The HTTPS (HTTP Secure) protocol utilizes the same TCP port as HTTP, port 80.

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True
False
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Question 8
True/False

 FTPS (FTP Security or FTP Secure) and SFTP (Secure FTP) are two names for the same protocol.

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True
False
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Question 9
Multiple Choice

 Which type of cloud service model involves hardware services that are provided virtually, including network infrastructure devices such as virtual servers?

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A
IaaS
B
PaaS
C
SaaS
D
XaaS
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Question 10
Multiple Choice

 What cloud service model involves providing applications through an online user interface, providing for compatibility with a multitude of different operating systems and devices?

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A
IaaS
B
SaaS
C
XaaS
D
PaaS
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Question 11
Multiple Choice

 What type of scenario would be best served by using a Platform as a Service (PaaS) cloud model?

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A
A group of developers needs access to multiple operating systems and the runtime libraries that the OS provides.
B
An organization wishes to gain access to applications through an online user interface, while maintaining compatibility across operating systems.
C
An organization needs to have a hosted virtual network infrastructure for their services, which are run on virtual machines.
D
A small organization needs to have high availability for their web server.
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Question 12
Multiple Choice

 When using public and private keys to connect to an SSH server from a Linux device, where must your public key be placed before you can connect?

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A
In an authorization file under your home directory on your computer.
B
In an authorization file on the host where the SSH server is.
C
In the /etc/ssh/keys folder.
D
In the /var/run/ssh/public folder.
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Question 13
Multiple Choice

 The combination of a public key and a private key are known by what term below?

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A
key set
B
key team
C
key pair
D
key tie
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Question 14
Multiple Choice

 What security encryption protocol requires regular re-establishment of a connection and can be used with any type of TCP/IP transmission?

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A
L2TP
B
TLS
C
IPsec
D
SSL
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Question 15
Multiple Choice

 At what layer of the OSI model does the IPsec encryption protocol operate?

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A
Physical layer
B
Network layer
C
Transport layer
D
Application layer
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Question 16
Multiple Choice

 The PPP headers and trailers used to create a PPP frame that encapsulates Network layer packets vary between 8 and 10 bytes in size due to what field?

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A
priority
B
FCS
C
FEC
D
encryption
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Question 17
Multiple Choice

 When using a site-to-site VPN, what type of device sits at the edge of the LAN and establishes the connection between sites?

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A
VPN proxy
B
VPN server
C
VPN transport
D
VPN gateway
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Question 18
Multiple Choice

 Amazon and Rackspace both utilize what virtualization software below to create their cloud environments?

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A
VMware vSphere
B
Oracle VirtualBox
C
Parallels
D
Citrix Xen
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Question 19
Multiple Choice

 What open-source VPN protocol utilizes OpenSSL for encryption and has the ability to possibly cross firewalls where IPsec might be blocked?

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A
Layer 2 Tunneling Protocol (L2TP)
B
Point-to-Point Tunneling Protocol (PPTP)
C
Generic Routing Encapsulation (GRE)
D
OpenVPN
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Question 20
Multiple Choice

 VMware Player and Linux KVM are both examples of what type of hypervisor?

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A
Type 1 hypervisor
B
Type 2 hypervisor
C
barebones hypervisor
D
bare-metal hypervisor
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