Lesson 7 Virtualization and Cloud Computing

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

• A VPN concentrator authenticates VPN clients.

• A VPN concentrator manages encryption for VPN transmissions.

• A VPN concentrator shuts down established connections with malicious traffic occurs.

• A VPN concentrator establishes tunnels for VPN connections.

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

• Dynamic Multipoint VPN

• Auto Switched VPN Service

• Symmetric VPN Autodial

• Dynamic SmartVPN

Which file transfer protocol has no authentication or security for transferring files, uses UDP, and requires very little memory to use?

• File Transfer Protocol (FTP)

• Trivial FTP (TFTP)

• Secure FTP (SFTP)

• FTP Secure (FTPS)

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

• VNC is faster than Remote Desktop, and requires less network bandwidth.

• VNC is open source, allowing companies to develop their own software based on VNC.

• VNC uses the Remote Desktop Protocol (RDP).

• VNC is a standard developed by Microsoft and used by Windows Remote Desktop.

In order to generate a public and private key for use with SSH, what command line utility should you use?

• ssh-keygen

• key-generate

• ssh-newkey

• gpg --ssh

What statement regarding the SSH (Secure Shell) collection of protocols is accurate?

• SSH provides a graphical view of the remote computer.

• SSH does not protect against DNS spoofing

• SSH does not protect against IP spoofing.

• SSH supports port forwarding.

Why is the telnet utility a poor choice for remote access to a device?

• It provides no mechanism for authentication.

• It cannot be used over a public WAN connection.

• It provides poor authentication and no encryption.

• It does not allow for control of a computer remotely.

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

• PPP can negotiate and establish a connection between two endpoints.

• PPP can support strong encryption, such as AH or ESP.

• PPP can support several Network layer protocols, such as IP, that might use the connection.

• PPP can utilize an authentication protocol, such as MS-CHAPv2 or EAP to authenticate a client.

What term is used to describe a space that is rented at a data center facility by a service provider?

• point of presence (PoP)

• locally exchanged data point (ledp)

• central service point (CSP)

• service location (SL)

In a software defined network, what is responsible for controlling the flow of data?

• SDN controller

• flow director

• vRouter

• SDN switch