things to know in review

Question 1

encapsulation

Answer 1

works from top to bottom in osi model. starts as data from layer 7 then something is added in each layer before it gets sent out

Question 2

decapsulation

Answer 2

form bottom to top data is taken apart

Question 3

wireless topologies

Answer 3

infastructure mode uses ap
ad hoc mode devices communicate amongst themselves
mesh ad hoc devices work together to form a mesh cloud

Question 4

demarc point

Answer 4

point where you connect with the outside world

Question 5

4 things u need to configure with your ip

Answer 5

ip
subnet mask
default gateway
dns

Question 6

to change mac to eui 64

Answer 6

you change the second number of mac address based on groups 0123456789abcdef. then you add ff:fe in the middle so the eui 64 is now groups of 4 numbers instead of groups of 2

Question 7

how to get physical address of ipv6 device

Answer 7

they use somehnitng called neighbor solicitaion

Question 8

icmp

Answer 8

Layer 3 or 2
text messaging for your network devices.
devices can send messages when things aren’t going well

Question 9

dhcp

Answer 9

dora
discover
offer
request
Acknowledgement

Question 10

zone transfer

Answer 10

replicate a dns database

Question 11

card reader

Answer 11

it is a access control device

Question 12

routing tables

Answer 12

contrained within each router it is a table for directions on where the next hop would be

Question 13

stp steps

Answer 13

blocking
listening
learning
forwarding

Question 14

n, ac, and ax

Answer 14

allow sending multiple streams of info over the same frequency at the same time

Question 15

RTSP

Answer 15

Real time streaming protocol establishing and controlling live media broadcasts over an IP network

Question 16

CSU/DSU

Answer 16

A channel service unit/data service unit is a digital-interface device used to connect data terminal equipment, such as a router, to a digital circuit, such as a Digital Signal 1 T1 line.

Question 17

whats most common way to perform an on path attack

Answer 17

An evil twin is the most common way to perform an on-path attack

Question 18

split horizon

Answer 18

a method used by distance vector protocols to prevent network routing loops

Question 19

RAS

Answer 19

Remote access server A remote access server (RAS) or remote desktop gateway is a type of server that provides a suite of services to connect users to a network or the Internet remotely