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An IPv4 header bytes in Hex notation is given below: 45 c0 00 38 9b 3e 00 00 ff 01 fd 3b 80 99 90 01 80 99 91 56.
Answer the following questions about the header:
What is the size of data in the IPv4 datagram?
What type of higher-level protocol is this datagram carrying?
How many more hops can the datagram travel without being dropped?
What are source and destination IP addresses for the IPv4 header?
Illustrate how you can create message with particular CBC residue, with only constraint which somewhere in message you have to be able to embed 64 bits of "garbage".
Take the time to research the various features that were added to the IPv6 protocol (compared to IPv4). Choose one feature and provide a brief explanation of its benefits.
Provide subnet assignment which gives contiguous address space to each department. (b) Do same in (a) but with department B having 70 hosts.
Create communication system (block diagram) which will permit transmission of these 4 sources over telephone channel using: Time division multiplexing by using PCM, suppose 8-bit samples.
Assume you are asked to head a non computerized department and you need ten computers and would like to connect them to each other.
Assume that sender sends silence suppressed RTP stream of G.711 audio to receiver (G.711 is the name of standard for 64Kbps PCM). Outline algorithm which uses sequence numbers and time stamps of RTP packets to find out beginning of new talk spurt?
Write a two-and-a-half-page paper explaining network management system identified on acurrently-dated vendor website (Cisco, HP, Sun, SolarWinds, CA, Network General, IBM, etc.).
While working in an economy, it has a separate identity but cannot operate insolently.
It is considered good practice for the sender to pad every message, including messages in which the final message block is already complete. What is the motivation for including a padding block when padding is not needed.
The latest member of the 802.11 family is 802.11n. What are some immediately noticeable differences between LANs and Wireless LANs?
What resources are available on the Internet to help system administrators determine how to harden a Windows Server 2008? Windows 7 workstation? (List at least three resources in your response.)
Write client and server, Java Swing application using socket connections which permits the client to specify filename to server in Textfield and server send contents of text file back to client if it exists.
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