Chapter 1, Problem 3.18CP

An ISP is granted a block of addresses starting with 130.100.0.0/16. The ISP needs to distribute these addresses to 4 large companies. Each company requires 1024 IP addresses.   Write the address ranges for these companies into the following table with /n notation. Company First address Last address 1      2     3     4

Here is a detailed description of how DNS works, covering iterated and non-iterated queries, authoritative and root servers, and DNS entries.

Telnet into a Web server and send a multiline request message. Include in the request message the If-modified-since: header line to force a response message with the 304 Not Modified status code.

What is the destination port of the DNS query message?  Enter the number only.

Captured Data Analysis Count how many TCP packets you received from / sent to your site or YouTube, and how many of each were HTTP packets. Determine if any TCP packets with SYN or PSH flags set were sent from your host or received from yoursite/Youtube Go flag-by-flag and count how many packets have tcp.flags.push set, then how many have tcp.flags.syn set, and finally, how many have tcp.flags.reset set. Report all three counts in a table.

Which OSPF wildcard mask would be appropriate to use for the given network prefix? /30 and 0.0.0.2 /13 and 0.7.255.255 /23 and 0.0.2.255 /18 and 0.0.64.255