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What are some of the features that all cloud services usually have in common?

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Cloud services usually have the followin...

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


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

E) B) and C)
F) A) and D)

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Digital certificates are issued, maintained, and validated by an organization called a certificate authority (CA).

A) True
B) False

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

A) True
B) False

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Which of the following statements regarding the Point-to-Point (PPP) protocol is NOT accurate?


A) PPP can negotiate and establish a connection between two endpoints.
B) PPP can utilize an authentication protocol, such as MS-CHAPv2 or EAP to authenticate a client.
C) PPP can support several Network layer protocols, such as IP, that might use the connection.
D) PPP can support strong encryption, such as AH or ESP.

E) C) and D)
F) All of the above

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By default, what network connection type is selected when creating a VM in VMware, VirtualBox, or KVM?


A) host-only mode
B) bridged mode
C) NAT mode
D) lockdown mode

E) All of the above
F) A) and B)

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C

Which statement regarding the use of a bridged mode vNIC is accurate?


A) The vNIC will its own IP address on the physical LAN.
B) The vNIC will be assigned a NAT-ed IP address.
C) The vNIC will only be able to communicate across the bridge to the host PC.
D) The vNIC will utilize the host PC's IP address.

E) A) and D)
F) A) and C)

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A

What is the difference between a virtual firewall and a software firewall?

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A software firewall is merely an applica...

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The use of certificate authorities to associate public keys with certain users is known by what term?


A) public-key organization
B) certified infrastructure
C) public-key infrastructure
D) symmetric identification

E) A) and D)
F) B) and D)

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What special enterprise VPN supported by Cisco devices creates VPN tunnels between branch locations as needed rather than requiring constant, static tunnels?


A) Dynamic Multipoint VPN
B) Dynamic SmartVPN
C) Symmetric VPN Autodial
D) Auto Switched VPN Service

E) All of the above
F) B) and D)

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What two different types of encryption can be utilized with IPsec?

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Data encrypted for use with an IPsec connection may utilize either AH (authentication header) encryption or ESP (Encapsulating Security Payload) encryption. Both types of encryption provide authentication of the IP packet's data payload through public key techniques. In addition, ESP encrypts the entire IP packet for added security.

When deploying cloud services, what are some of the deployment models you might encounter?

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The main deployment models you are likel...

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A vSwitch (virtual switch) or bridge is a logically defined device that operates at what layer of the OSI model?


A) Layer 1
B) Layer 2
C) Layer 4
D) Layer 7

E) A) and D)
F) All of the above

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Which of the following virtualization products is an example of a bare-metal hypervisor?


A) Citrix XenServer
B) VirtualBox
C) VMware Player
D) Linux KVM

E) A) and D)
F) C) and D)

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Regarding VNC (Virtual Network Computing or Virtual Network Connection) , what statement is accurate?


A) VNC is faster than Remote Desktop, and requires less network bandwidth.
B) VNC is open source, allowing companies to develop their own software based on VNC.
C) VNC uses the Remote Desktop Protocol (RDP) .
D) VNC is a standard developed by Microsoft and used by Windows Remote Desktop.

E) A) and B)
F) B) and C)

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


A) VMware vSphere
B) Oracle VirtualBox
C) Parallels
D) Citrix Xen

E) None of the above
F) B) and C)

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The Virtual Network Computing (VNC) application uses the cross-platform remote frame buffer (RFB) protocol.

A) True
B) False

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


A) L2TP
B) TLS
C) IPsec
D) SSL

E) B) and C)
F) A) and B)

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

A) True
B) False

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Which of the following is NOT a task that a VPN concentrator is responsible for?


A) A VPN concentrator authenticates VPN clients.
B) A VPN concentrator establishes tunnels for VPN connections.
C) A VPN concentrator shuts down established connections with malicious traffic occurs.
D) A VPN concentrator manages encryption for VPN transmissions.

E) A) and D)
F) A) and C)

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