1 - Intro Flashcards
1
Q
Internet Standards: RFC & IETF
A
Request for comments
Internet Engineering Task Force
2
Q
Tier 1 vs 2 vs 3
A
Tier 1 ISP provides national or international coverage
Tier 2 connects to one or more tier 1
Tier 3 last hop access network
3
Q
Ethernet packet name
A
Frame
4
Q
IP packet name
A
IP datagram
5
Q
TCP packet name
A
TCP segment
6
Q
Encapsulation
A
Adding headers and trailers
7
Q
IANA
A
Internet Assigned Number Authority)
8
Q
IPv4 address allocation hierarchy
A
IANA worldwide
IANA to RIRs
RIRs to ISPs/LArge orgs
ISPs to end users
9
Q
Ipv4 vs IPv6 bits
A
IPv4 32 bits
IPv6 128bits
10
Q
How does netmask define the boundary of network and host?
A
Number of bits that are 1s
11
Q
Special addreses
A
All 0s in host = network
All 1s in host = broadcast
127.0.0.1/8 = Loopback
0.0.0.0
