3.5.2-->

Question 1

what is AD Hock?

Answer 1

wirless connection method where each computer on the network communicated wirelessly in a p2p fashion and does not use a central wifi router to communicate. this is not good for large size networks.

Question 2

what is channel bonding in wifi?

Answer 2

combining 2 non-overlapping wifi channels into one. doubles bandwidth.

Question 3

when a old wifi device is connected to a newer frequency router then what takes place?

Answer 3

many wireless routers are backwards compatable but when an older wifi range is device is connected then the speed of the wifi network is reduced to the older technology speed.

Question 4

open authentication uses what kind of security for wifi?

Answer 4

mac address filtering, white list are acceptable devices.

Question 5

how does 802.1x authentication work? wifi

Answer 5

both a user name and password is used for each user and is confirmed by an authentication server for wifi connections.

Question 6

what is the diff. between WPA2personal and WPA2enterprise?

Answer 6

WPA2-personal: uses AES (Advanced encryption Security) and pre-shared keys for authentication.
*WPA2Enterprise: uses AES for encryption and 802.1x authentication (uses server, username and unique passwords for each device to make connections to wifi).

Question 7

what kind of server does 802.1x wifi use? enterprise wifi

Answer 7

RADIUS server- must have a server certificate.

Question 8

what speed does the 802.11b wireless standard use?

Answer 8

11mbps

Question 9

i need a wireles network that will support 54 mbps and laready have a wifi phones system on the 2.4 ghz what network types w=should i add? (2 types)

Answer 9

802. 11a - 54 mbps or more
803. 11n - 600mbps
     * both work in the 5GHz frequency and will not interfier with the 2.4 ghz range.

Question 10

how many channels are available for the 802.11a wifi network?

Answer 10

23

Question 11

how many channels are available for the b and g 802.11 networks?

Answer 11

11

Question 12

which encryption is used for WPA networks?

Answer 12

TKIP - rotating encryption keys for security

Question 13

which wifi network versions are on the 2.4ghz range?

Answer 13

802.11b and 802.11g

Question 14

which wifi network versions are on the 5ghz range?

Answer 14

802.11a and 802.11ac

Question 15

which wifi version can do both the 2.5 and 5 ghz range?

Answer 15

802.11n

Question 16

which setting in windows can be selected to turn off the ability of users to configure wireless settings using WCN - Windows Connect Now?

Answer 16

admin>templates>network>windows connect now under user config.> Turn off ability to config. using a USB flash drive -setting

Question 17

what is the Implicit Deny Mode?

Answer 17

used in a firewall to drop all traffic unless it is in the (ACL) Access Control List as an ok’ed rule. so all potential attacks are dropped.

Question 18

TCP? used for

Answer 18

TCP: Transfer Control Protocol - internet based traffic

Question 19

UDP? used for?

Answer 19

UDP: User Datagram Protocol- used for network broadcasts and multicasts traffic.

Question 20

ICMP? used for?

Answer 20

ICMP: Internet Control Message Protocol - used by ping and traceroute for diagnostic tools/ communicatioon

Question 21

what is a port?

Answer 21

a number used to keep track of programs running on the host that is also using the same ip address. like port 80- used by HTTP to transmit and receive traffic for web browsers and web servers.

Question 22

what is IPsec?

Answer 22

IPsec: Internet Protocol security - encryption protocol used to protect network traffic over unsafe public networks.

Question 23

NLA? is what?

Answer 23

NLA - Network Location Awareness: