Flashcards
week 6 quiz prep
Cards in this deck (16)
- 1PATPort Address Translation
PAT translates both private IP addresses and port numbers to a single public IP address and unique port numbers - 2OSI vs TCP_IP
- 3RouterThe boundary between networks
stops propagation of broadcasts - 4Transport Layera
- 5DHCP Ports, use caseDynamic Host Configuration Protocol
Client port: 68
Server port: 67 - 6NAT Ports, use caseNetwork address translation
The router maintains a NAT table that maps private IP addresses public IP addresses. - 7DNSDynamic Name Service
Port: 53 - 8HTTP/s PortsHyper-Text Transfer Protocol\
HTTP Ports: 80
HTTPS Ports: 443
Used to send html files from server over internet - 9SMTPSimple mail transport protocol
Port: 25 - 10Ssh Name, Ports, ProtocolSecure shell
Port: 22
Protocol: TCP can use UDP - 11TCP description, codesTransmission control protocol
Description: Connects to other computer and has acknowledgment of packets received - 12UDPUser Datagram Protocol.
Assumes packets received. Fast but not requires stable connection. Cannot rebuild if packets sent out of order - 13MAC address table use, how its builta
- 14What does an ARP table doAddress resolution protocol
Mapping IP addresses to MAC addresses
arp -a - 15FTP What ports, protocolFile transfer protocol
Control Port: 21
Data Port: 20
Uses two FTC connection a control and Data connection - 16RIPRouting Information Protocol
Layer 3 OSI uses hops as a routing metric
efficiently & dynamically assigns routes