Questions

Now, it's time to check your knowledge. Select the best response, then check your answers, which can be found in the Assessment appendix:

1. A _____ is defined as an IP address and a port.
   1. window
   2. socket
   3. checksum
   4. sequence
2. ACK 725 means I have received _____ bytes of data and I am ready for more, starting with _____.
   1. 700 and 800
   2. 724 and 725
   3. 725 and 726
   4. 725 and 725
3. The _____ flag informs TCP that data should be sent immediately.
   1. RST
   2. SYN
   3. ACK
   4. PSH
4. If the offset value is 0101, the TCP header length = ___ bytes.
   1. 32
   2. 8
   3. 20
   4. 64
5. In a normal connection, ___ will use UDP.
   1. HTTP
   2. SMTP
   3. DHCP
   4. FTP
6. Unlike TCP, a UDP header does not have any _____.
   1. ports
   2. sockets
   3. checksums
   4. options
7. If the client advertises a scaling factor of 9, the OS will need to multiply the WS by ____.
   1. 2
   2. 9
   3. 128
   4. 512