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NETWORK MANAGEMENT & SECURITY
1. Describe a basic communication model.
2. State the following terms:a. Configuration Managementb. Fault Managementc. Security Management
3. Who initiates ‘Trap' message? When is this message generated?
4. Describe four major components that build up the SNMP model? Explain each of them.
5. Write down the operation of an SNMP Manager.
6. Elucidate the TMN conceptual model.
7. In the context of Structure of Management Information, what do you understand by the Information module?
8. What do you mean by Demilitarized Zone (DMZ)?
9. Write a descriptive note on RMONv2.
Q. Show Example on Check Sum? Data: 10101001 00111001 Computing Checksum: 10101001 00111001 --------------- Sum 11100010 Receiver Side: 10101
It is an additional 16-bit number which uniquely identifies the specific service on any given machine on the Internet. Port numbers are 16 bit wide, so each of the computers on the
Mesh : This is two dimensional networks. In this all processing elements are organised in a two dimensional grid. The processor in the row i and column j are indicated by PE i .
Q. What is Two Types of Errors? Single-Bit Errors: Merely one bit in the data unit has changed Burst Errors of length 'n': 2 or more bits in the data unit have changed (
What can be done to fix signal attenuation problems? A common way of dealing with like problem is to use repeaters and hub, because it will help regenerate the signal and thus
The following issues are decided by the system in the process of message passing: 1) Whether the communication link is established or not 2) Whether the receiver is ready to
Multiplexing and De multiplexing Another critical set of services that are provided by the transport layer is that of application multiplexing and de multiplexing. This featu
Q. Show the Go-back-N - Control Variables? - S- holds the series number of the recently sent frame - SF - holds sequence number of the first frame in the window - SL - ho
Describe networking. Networking refers to the inter connection among computers and peripherals for data communication. Networking can be done using wired cabling or by wireless
ADVANTAGE AND DISADVANTAGE OF WIRING SCHEMES: Each of three wiring procedure has disadvantages and advantages, which are illustrate as follows: RELIABILITY ISSUES: W
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