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a) determine the RTT (round trip time) between a client requesting a web page of 1024 bytes in size from an internal web server on a 100 Base-T Ethernet. Assume a one-way propagation delay of 10 s and that the request and header response messages are of negligible size and all other delays are zero.
b) Consider the arrangement of ‘self-learning' bridges shown in the figure below. Assuming all are initially empty, give the forwarding tables for each of the bridges W, X, Y and Z after the following transmissions: Host A sends to Host C, Host D sends to Host B, and Host C
c) Give an example of a transmitted byte-stream in Basic Encoding Rule (BER) by using the following data type declarations and its corresponding instances:
nickname ::= OCTET STRING {nickname, "King Kenny"} number ::= INTEGER {number, 7} active ::= BOOLEAN [0=NO, 1=YES] {inactive, 0}
d) i) Give the structure of typical SNMPv1 get and trap messages. ii) Which MODULE IDENTITY does this OBJECT ID belong to: 1.3.6.1.2.1.5.1
What is the use of it
For this assignment you will create a program called MMWordFix (Multi-Mode WordFix). This program prompts the user to select one of three word filters (uppercase, lowercase, encryp
Limitations of firewall Firewalls cannot protect a network if security rules are not followed properly by an organization or if the rules are not defined properly. Firewalls ar
Question 1: Describe the functioning of cloud computing. Question 2: Discuss on "Platform as a Service". Question 3: Discuss the steps involved in effective co
Question (a) Name 3 popular electronic mail access protocols? (b) i. What is DNS? ii. Briefly, describe what it does and how it works? iii. Why does DNS use a dist
QUESTION (a) A convex flow problem is a non linear network flow problem. Explain how a convex flow problem could be transformed into a Minimum Cost Flow problem. (b) Exp
Question: (a) A Wireless Mesh Network (WMN) is a communications network made up of radio nodes organized in a mesh topology. i. Describe the function of a TAP in WMNs. ii.
For simplicity, each character is regarded as one data packet, which means that the data in each packet should have the max length of only 1 byte. Your own packet header (not th
Network security is an issue for companies regardless of whether they participate in electronic commerce; however, since most organizations have a Web site that allows some interac
Network-Based IDS (NIDS) A NIDS resides on computer or appliance connected to segment of an organization’s network and looks for signs of attacks. While examining packets, a NID
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