Exam 10: Setting up a Virtual Private Network

How is the encryption of the data payload accomplished on a VPN?

A VPN connection occurs within the context of a HTTP tunnel.

In ____ mode, the concentrator acts as a hardware device enabling a secure site-to-site VPN connection.

Due to a lack of common standards, it is difficult, if not impossible, to operate a VPN that uses systems from different vendors.

A(n) ____________________ tunnel is a communications path that makes use of Internet-based hosts and servers to conduct data from one network station to another, just like any other TCP/IP data transmission.

An increasingly popular alternative for remote access to Web-enabled applications is ____-based VPNs.

The problem with mesh VPNs is that the requirement that all communications flow into and out of the central router slows down communications.

Routers that support IPSec can be set up at the perimeter of the LANs to be connected; these are sometimes called IPSec ____________________.

For fast-growing networks, a ____ configuration is preferable.

PPTP is commonly used when older clients need to connect to a network through a VPN or when a tunnel must pass through a firewall that performs NAT.

VPNs can be used to give parts of your own organization access to other parts through an organizational ____.

What is L2TP?

L2TP uses ____ rather than MPPE to encrypt data sent over PPP.

VPN endpoints provide ____ and encapsulation of data.

Match each item with a statement below. -The traffic is encrypted and decrypted in transit, somewhere between the source computer that generated it and its destination.

A VPN ____ is an alternative to using a general-purpose hardware device.

Describe the drawbacks of VPNs.

____ provides for the exchange of public and private keys.

Most VPN concentrator appliances give users the choice of operating in one of two modes: ____________________ mode or network extension mode.

A(n) ____ is essential for identifying who can use the VPN and for ensuring that all users know what constitutes proper use of the VPN.