help me to answer these questions

Are you pressed for time and haven’t started working on your assignment yet? Would you like to buy an assignment? Use our custom writing services for better grades. Even if your deadline is approaching fast, our writers can handle your task right when you need it. Our writers will complete your order from scratch and make sure it’s completely unique.


Order a Similar Paper Order a Different Paper

Read Chapter 7 in the book “Computer Networking: A Top-Down Approach”

1. [3 points] What are the di erences between the following types of wireless channel impairments- path

loss”, multipath propagation” and interference” from other sources?

2. [4 points] What are the di erences between a master device in a bluetooth network and base station in

802.11 network?

3. [3 points] If a node has a wireless connection to the Internet, does that node have to be mobile? Suppose

that a user with a laptop walks around her house with her laptop, and always accesses the Internet

through the same access point. Is the user mobile from a network standpoint? Explain.

4. [3 points] What are the purposes of the HLR and VLR in GSM networks? What elements of mobile IP

are similar to the HLR and VLR?

5. [5 points] What feature in 3G and 4G network made them popular in terms of massive user and connected

devices? What are the roles EPC in 4G architecture?

6. [2 points] Why is a packet that is received after its scheduled playout time considered lost?

Writerbay.net

Do you need help with this or a different assignment? Even when your task is complicated and the deadline is in less than 2 days, you still have every chance to get a good grade for it. How? By completing the order form, you will get the finest custom-written assignment at an affordable price. We also deliver a number of services for free (e.g., revisions, editing, checking the text for authenticity). Use our paper writing service to receive effective help with your homework.


Order a Similar Paper Order a Different Paper