chapter 11 : build a small network

Question 1

intermediate device

Answer 1

a device passing network traffic and connecting different networks

Question 2

device capacity

Answer 2

the port density, processing, and memory capacity of a device

Question 3

redundancy

Answer 3

the duplication of devices, links, or technologies to increase high availability

Question 4

modular

Answer 4

a feature that allows add-in capabilities/technologies to a device without the need to purchase a whole new device

Question 5

vulnerability

Answer 5

a weakness or flaw that can allow an attacker to gain access to a system

Question 6

malware

Answer 6

unwanted malicious software that can harm or disrupt a system operation

Question 7

virus

Answer 7

a type of malicious software that requires a user to spread the software through the network

Question 8

worm

Answer 8

a type of malicious software that uses the network to spread the software and infect vulnerable systems

Question 9

trojan horse

Answer 9

hidden or disguised software that installs with another software package that a user requested

Question 10

AAA

Answer 10

a framework that is used to implement authentication, authorization, and accounting functions into network operations

Question 11

packet filtering

Answer 11

the ability to perform packet inspection at Layer 3 based on the source and destination IP addresses and source and destination port numbers

Question 12

application filtering

Answer 12

the ability to filter traffic based on destination port numbers

Question 13

URL filtering

Answer 13

the ability to filter traffic based on a web address

Question 14

stateful packet inspection

Answer 14

the ability of a device to track TCP connections and only allow returning data to the inside connection