9/15 Class Flashcards
Chapter 10
resolving names to IP Addresses
ARP
translates mac address to an IP address
structure of mac address
comp1.network.atm
computer location:comp1
network: network
com: atm
host names
used in the internet
domain name systemsDNS
heirarchical
net bios
used in internal networks
windows internet naming service(WINS)
list
nbtstat -n
success1 (server)
Domain Name Service(DNS)
internal and external use
a(host): resolves host names to IPv4 IP addresses
AAAA(host): resolves host names to IPv6 addresses
PTR(pointer): resolves IP addresses to host names
cname(alias): resolves one host name to another host name which allows multiple computers to be assigned to the same IP address
MX: used for mail exchange servers(email servers)
SRV: Required by active directory to locate servers running specific services
NS: identifes DNS name servers
DNS heirarchy
DNS root servers
top level domain DNS servers
Second level domain DNS servers
authoritative for microsoft .com
slides are wrong when it says it is authoritative
look at it
caching
when names are saved at your computer level so you don’t have to communicate with the DNS server
Windows Internet Name Service(WINS)
net bios names resolved to IP addresses
IMhosts
similar to a DNS hosts, but for NETBIOS
Link local multicast name resolution
IPv6
troubleshooting TCP/IP Problems
awesome
ipconfig
checks TCP/IP configuration
ipconfig /all (detailed network info)
ipconfig /release (releases a DHCP provided address)
ipconfig /renew (requests a DHCP provided address)
ping
checks TCP/IP connectivity
