LANS vs WANS
Who manages a WAN?
The Carrier
What is CPE?
Customer Premises Equipment.
What do we call the lines between PSTN switches?
Trunk Lines
What do we call the radio equipment in a cell?
A Cell site.
Wat are the two main types of US leased lines?
T1 and T3
Where do carriers get permissions to lay infrastructure?
The government
What do we call the line from the customer to the carrier WAN core?
Access Link
What type of cable is typically used for residential lines?
1 pair voice-grade UTP
What do we call antenna that both transmit and receive?
transcievers
What are the two types of Carrier Ethernet services?
E-LAN and E-LINE
Which offers higher transmission speeds: LANs or WANs?
LAN's
What are the two purposes of a carrier WAN?
Connect sites, connect to Internet
What word means that there are different speed for upload/download?
Asynchronous
What must a celltower connect to if we cant to make a cell call to a land line?
Mobile Telephone Switching Office
In MPLS what is added to the IP packet
an MPLS label
Which can be an internet: a LAN or a WAN?
Both!
What device is usually a CPE?
A border or edge router!
Which typically has faster speeds: download or upload?
Download.
What is the latest phone 'generation'?
6G
What do we call saving data for future lookup?
Caching
Is the price of a WAN predictable or unpredictable?
Unpredictable!
What do we call a WAN that links sites within a town or city?
A MAN!
What type of cables are used for TV signals?
coax and fiber
Each cell site can broadcast on multiple _________.
Channels
What are the three types of optimization we discussed?
Compression, caching, traffic shaping.