Chapter 8: Installing Wireless & SOHO Networks

Question 1

Disabling your SSID broadcast makes you less susceptible to ____ ? pg. 378

Answer 1

wardriving; which is when someone drives through your neighborhood looking for a wireless signal.

Question 2

T/F If security is enabled and you are using WEP, the client won’t be required to know the passphrase and WEP key to connect to the wireless router. pg. 378

Answer 2

False

Question 3

RADIUS pg. 378

Answer 3

Remote Authentication Dial-In User Service

Question 4

What does RADIUS offer? pr. 378

Answer 4

RADIUS provides centralized authentication on a network

Question 5

How many configurable channels are in the 2.4GHz range? pg. 379

Answer 5

11 with channel 6 posing as the default for 802.11b/g

Question 6

What is the recommended overlap when setting up WAPs to have overlapping ranges? pg. 379

Answer 6

10 %

Question 7

T/F Channels need to be at least five numbers apart to not overlap. pg. 379

Answer 7

True

Question 8

Wireless clients are configured to ___-___ a channel by default, but can be forced to use a specific channel as well. pg. 379

Answer 8

auto-detect

Question 9

If your using your wireless router to allow one or more clients to access the Internet but you have one external public IP address, your router is using ___. pg. 379

Answer 9

NAT / Network Address Translation

Question 10

In 2007, the WiFi Alliance created ___ ____ ___ as an easy way for users to set up and configure a secure wireless network. pg. 381

Answer 10

WiFi Protected Setup / WPS

Question 11

T/F By their nature, wireless routers are less secure than their wired counterparts. pg. 381

Answer 11

True

Question 12

What can you do to increase the security of your wireless installation? pg. 381

Answer 12

Disable the SSID broadcasts, Wireless encryption, MAC filtering

Question 13

What’s the only downside to disabling your SSID broadcast? pg. 382

Answer 13

you have to configure legitimate client computers manually with the name

Question 14

Always be sure your router has the most current ___. pg. 383

Answer 14

firmware

Question 15

A ___ is a hardware or software solution that serves as your network’s Micheal….uh, security guard. pg. 383

Answer 15

firewall

Question 16

T/F Firewalls can protect you in three ways. pg. 383

Answer 16

False; only two from hackers and accessing undesirable content

Question 17

Some firewalls have a third network port to connect both public and private servers and this network is known as a ____ ____. pg. 384

Answer 17

demilitarized zone / DMZ

Question 18

What are two general categories of firewalls? pg. 384

Answer 18

Network based and Host based

Question 19

A ___-___ firewall is what companies use to protect their private network from public networks. pg. 384

Answer 19

network-based firewall

Question 20

T/F A host-based firewall can serve a workgroup. pg. 384

Answer 20

False; only a single machine

Question 21

The basic method of configuring firewalls is to use an ___ ___ ____. pg. 385

Answer 21

Access control list / ACL

Question 22

ACLs are typically configured to block traffic by ____? pg. 385

Answer 22

IP address, port number, domain name, or some combo of all three

Question 23

___ is essentially an automated form of port forwarding. pg. 385

Answer 23

port triggering

Question 24

What does port triggering accomplish? pg.385

Answer 24

It allows traffic to enter the network on a specific port after a computer makes an outbound request on that specific port

Question 25

___ is a strategy that allows an administrator to control resources to maintain a certain service level.

Answer 25

Quality of Service / QoS