Internet Technology 1-2 Flashcards
Bits in IPv4 ?
32
What is not a major advantage of a packet switching environment
There is exactly 1 route between each computer
What type of network switching resulted from Paul’s Baran Rand development research ?
Packet Switching
IPv6 bits?
128
Layer1-7 of the OSI network model
Layer 1 physical
Later 2 data link
Layer 3 network
Layer 4 transport
Layer 5 application
Layer 6 presentation
Layer 7 session
Early telephones are an example of
Circuit switching
What is true about tcp
It’s reliable, it is connection oriented, and it uses acknowledgements
What layer of OSI handles frames of data and deals with routing
Data link
Data transmitted through the internet has many additional bits added to help with delivery, what is this?
Encapsulation
What is true about UDP?
It is unreliable, it doesn’t use acknowledgements and its connection less
The dns is ref feed to as the?
Phone book for the internet
Math this to this that
Pop ———— possible matches
Http ————. worldwide web, email
DHCP ————. Remote connection,
SSH —————. And networksetup
Pop = email
Http = www
DHCP = network setup
SSH = remote connection
Steps to look up an IP address for a domain name ?
Query the root name server
Query the .org name server
Query the whole website name server
What is error code
200
301
404
403
In order to
200 - OK
301 - Moved Perm
404 - Not found
403 - Forbidden
HTTP was developed to send and receive info related to web pages, any http connection can be interpreted as what type of data?
Text
DHCP Steps 1-4
Discover
offer
request
Ack
Bonus
DHCPDISCOVER, DHCPOFFER, DHCPREQUEST, DHCPACK