Miscellaneous Flashcards
NAT
Network Address Translation
DNS
Domain Name System
IP
Internet Protocol
ARP
Address Resolution Protocol
Hur ser en IP-adress ut?
8 binära tal * 4, åtskiljda av punkter.
Hur många IP-adresser finns det?
4 294 967 296 (2^32)
URL
Uniform Resource Locator. Protokoll://fqdn:port/resurs?skickar denna information#Hoppa till detta stycke
MAC
Media Access Control
An IP-address consistS of?
First a netid and then a hostid. The netmask show which part is the netid.
MAC address?
6 bytes written in hexadecimal notation separated by colon. The three first identify the manufacturer (OUI) the three last the NIC (UAA).
OUI
Organizationally Unique Identifier
UAA
Universally Administered Address
NIC
Network Interface Controller (nätverkskort)
CIDR
Classless Inter-Domain Routing
An IP address in CIDR notation:
192.168.0.0/24. Alternativt med nätmask 192.168.0.0 255.255.255.0
Unicast
Deliver packet to exactly one destination.
Broadcast
Deliver packet to all destinations on subnet.
Multicast
Deliver packet to all members of a group.
Anycast
Several destinations share a single address, but only one is selected for delivery (typically the closest).
netid, network address
host all zeros
Broadcast on IP subnet
host all ones
IANA
Internet Assigned Numbers Authority