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A number of carriers have said they would like to differentiate levels of service provided to different applications. Based on the reading and lecture, is there a pressing need to differentiate traffic in current ISP backbones to manage quality of service? Why or why not.
You are the Network Manager for a large bank. You have been asked to investigate having employees connect using wireless and not cables.
Several graphic files were transmitted by a e-mail from the unknown source to suspect in the ongoing investigation. Lead investigator provides you these graphics files and tells you that at least four messages must be embedded in them.
You are hired to create the IP addressing scheme for five departments which will give security and access to Internet. Each department needs between 1,500 - 2,000 IP addresses.
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 the primary advantage of a deterministic local area network protocol over a nondeterministic local area network protocol.Give a real-life example of this advantage.
It has already decided to use the Windows Server 2003 network operating system. What type of LAN will your team design for this company?
Design a network that will integrate a wireless network into an existing wired network. The wired network consists of five departments in a two-story building.
Suppose a propagation speed of 100 km/hour. Assume caravan travels 150 km, beginning in front of tollbooth. Calculate the end-to-end delay.
Suppose there is a Certificate Authority (CA) with well-known public key. Further suppose every user is issued a certificate for his/her public key.
PCs connected to the two wall jacks work fine, but the three connected to the switch refuse to communicate with the network. What could be wrong and what should she try next?
Zippy Car, a medium-sized business wants to house the company-owned web servers in a facility that offers round-the-clock controlled access and high-bandwidth internet access.
Try to devise a technique that will allow Arnold to establish a TCP connection with Bernard without application-specific NAT configuration. If you have difficulty devising such a technique, discuss why.
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