1.
What are glue records and why are they needed? Use dig to find (and
show here) the glue
records that connect our local zone (cse.lehigh.edu) to its parent.
2.
Why are the name servers in /etc/resolve.conf specified with IP addresses
instead of names?
3.
How does a web server recognize which URL to serve when there are multiple
web sites (hostnames) associated with the same IP address?
4.
The network 134.122.0.0/16 has been subdivided into /19 networks.
a) How many /19 networks are there? List them. What is their
netmask?
b) How many hosts could there be on each network?
c) Determine which network the IP address 134.122.67.124 belongs to.
d) What is the broadcast address for each network?