Exam 11: Network Security

____ protocols are the rules that computers follow to accomplish authentication.

____ is a public key encryption system that can verify the authenticity of an e-mail sender and encrypt e-mail data in transmission.

In ____, both computers verify the credentials of the other.

A ____ attack occurs when a hacker uses programs that try a combination of a user ID and every word in a dictionary to gain access to the network.

A router that is not configured to drop packets that match certain or suspicious characteristics is an example of a risk associated with ____.

A(n) ____________________ identifies an organization's security risks, levels of authority, designated security coordinator and team members, responsibilities for each team member, and responsibilities for each employee.

RADIUS and TACACS belong to a category of protocols known as AAA (____).

A security policy should state exactly which hardware, software, architecture, or protocols will be used to ensure security.

A ____ attack occurs when a system becomes unable to function because it has inundated with requests for services and can't respond to any of them.

A ____ main function is to examine packets and determine where to direct them based on their Network layer addressing information.

Describe who should conduct a security audit and the advantages of doing so, if any.

Encryption is the last means of defense against data theft.

A ____ firewall is a router (or a computer installed with software that enables it to act as a router) that examines the header of every packet of data it receives to determine whether that type of packet is authorized to continue to its destination.

By default, the 802.11 standard offers substantial security.

The use of certificate authorities to associate public keys with certain users is known as ____.

____ is a method of encrypting TCP/IP transmissions above the network layer.

Describe the SCP (Secure CoPy) utility.

A(n) ____ is a password-protected and encrypted file that holds an individual's identification information, including a public key.

In a ____ attack, a person redirects or captures secure transmissions as they occur.

____ software searches a node for open ports.