Question 1 What updates have been brought by snmpv2 to SNMPv1 communication arch
ID: 3934226 • Letter: Q
Question
Question 1 What updates have been brought by snmpv2 to SNMPv1 communication architecture?
Question 2 How SNMPv3 enhances security compared to SNMPv2?
Question 3 a) Define RMON b) What are the benefits of RMON ?
Question 4 As a network manager, you are responsible for the operation of a network. You notice heavy traffic in a host that is on a TCP/IP network and want to find out the details:
a) What basic network monitoring tool(s) would you use?
b) What would you look for in your results?
Question 5 What is the difference between nslookup & dig? Question No. 5 Install wireshark and capture IP packets on your Ethernet interface.
a) Put a screenshot of IP packets captured on your device.
b) Analyze their headers and contents. bonus for analysis)
Explanation / Answer
Question 1
Answer
SNMPv1 (Simple Network Management Protocol) v1 was designed as a short term solution to allow management of TCP/IP - based internets. Although it was simple there were some major issues in SNMPv1, viz Expressiveness of MIB definitions, performance and security issues.
Some key differences brought in SNMPv2 are:
· Protocol operations used in SNMPv1 are Get, GetNext, put and Trap. SNMPv2 define two additional set of rules option GetBulk and Inform.
· catch PDU format is dissimilar than other PDU’s format in SNMPv1. In version 2, trap PDU format is same as the arrangement of get and put PDU’s.
· In SNMPv1, if in a get demand one of the object instance in multiple-attribute request does not exist or is invalid, no response would be known, only an mistake message would go back. In SNMPv2, in such a situation, response would go back for all other thing example or attributes apart from the invalid value i.e. partial response would be there quite than mistake.
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