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Question
(a) Draw a typical hybrid star-ring topology paying attention to how the clients and switching hubs are connected.
(b) State 3 main differences between a router and a layer 2 switch.
(c) (i) List the four functional areas of Network Management. (ii) What are the two parameters monitored by a Network Management System?
(d) Explain the Building Block Design process.
(e) In terms of Performance, assuming a network with an MTBF of 2000 Hours and MTTR of 12 Hours:
(i) What do you understand by MTTR? (ii) Calculate the percentage Availability of the network. (iii) Calculate the percentage Reliability of such a network over a one-year period. (iv) What does this Reliability value mean?
(f) List the three different Management Information Base System (MIBS) modules available, giving a brief description of each.
(g) (i) Name the two methods by which a Network Management System can obtain information from SNMP?
(ii) Name three pieces of information that is included in a SNMP Trap?
UDP ENCAPSULATION As given in the figure below, UDP packet is included in IP datagram and the IP datagram is then attached in the Frame.
ROUTING TABLES AND ADDRESS MASKS Additional information is saved in routing table. Destination is kept as network address. Next hop is saved as IP address of router. Address m
QUESTION: a) Below is a capture of an Ethernet II frame which has an IPv4 packet and a segment. Provide the source MAC address in hexadecimal; the source IP address, the length
ADDRESS RESOLUTION WITH TABLE LOOKUP : Resolution needs data structure that has information about address binding. A distinct address-binding table is used for every physical n
Problem 1: Discuss how TWO of the following gurus have contributed to the Quality Movement, highlighting the major points of their philosophies: (a) Edward Deming (b) Jose
BUSINESS NEEDS Information security performs four main functions for an organization. 1. Protects the ability of organization to function. 2. Enables safe operation of applicat
Network diagram for a mediacal care
How does the POP functions? What are the advantages/benefits of IMAP over POP? POP stands for Post Office Protocol, version 3 (POP3) is one of the easiest message access protoc
INTRODUCTION TO PHYSICAL SECURITY The Physical security addresses design, execution, and maintenance of countermeasures which protect physical resources of an organization. The
INTRODUCTION TO SECURITY AND PERSONNEL When implementing information security, there are several human resource issues that should be addressed. They are • Positioning and n
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