CT320: Network and System Administration

Fall 2019

IQ 11

CT320 IQ 11

Show Main.IQ11 as a slide show.

NAT

To implement NAT, a router must maintain a table of:

  1. addresses of other routers
  2. packet fragments for reassembly
  3. IP address/port pairs
  4. TTL values for packets

IP address/port pairs. Address is not enoughβ€”what if two users are both accessing google.com?

IPV6

An IPV6 address has how many bits?

  1. 32
  2. 64
  3. 128
  4. 256
  5. one billion

128 bits

Top-Level Domains

Which is a valid top-level domain?

  1. .adult
  2. .love
  3. .porn
  4. .sexy
  5. .xxx

πŸ’–πŸ’–πŸ’– Of course, they all are. πŸ’–πŸ’–πŸ’–