1. Network security is more often compromised from ___the inside____ than from external sources.
2. __Encryption____ is the last means of defense against data theft.
3. __Phishing___ is a social engineering practice in which a person attempts to glean access or authentication information by posing as someone who needs that information.
4. _Port Scanner___ software searches a node for open ports.
5. A router that is not configured to drop packets that match certain or suspicious characteristics is an example of a risk associated with __software__ and hardware.
6. A _routers_ main function is to examine packets and determine where to direct them based on their Network layer addressing information.
7. The combination of a public key and a private key is known as a _key pair____.
8. In __DNS Spoofing__, a hacker forges name server records to falsify his host’s identity.
9. A VPN _concentrator_ authenticates VPN clients and establishes tunnels for VPN connections.
10. RADIUS and TACACS belong to a category of protocols known as AAA , which stands for - _Authentication____, ___Authorization_____, and _Accounting_.
11. A(n) _security audit__ is a thorough examination of each aspect of the network to determine how it might be compromised.
12. A(n) __security policies___ 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.
13. In general, information is _confidential____ if it could be used by other parties to impair an organization’s functioning, decrease customers’ confidence, cause a financial loss, damage an organization’s status, or give a significant advantage to a competitor.
14. A(n) _proxy server__ is a software application on a network host that acts as an intermediary between the external and internal networks, screening all incoming and outgoing traffic.
15. __Encryptinon__ is the use of an algorithm to scramble data into a format that can be read only by reversing the algorithm.