Answer Posted / ravin vasani

Hello,

Firewall

There are four types of Firewall:-

1. Application-level Firewalls
2. Network-Level Firewalls
3. Circuit-Level Firewalls
4. Stateful Multi-level Firewalls

Router

There are three types of router:-

1. Access layer router:- Which is used for Small offices and
corporates.

2. Distribution layer router:- Which is used for ISP's like
sift tata.

3 Core layer router:- Which is used for Backbone ISP's like
vsnl.

Switches

There are four types of Switches:-

1. Unmanageable Switches
2. Manageable Switches
3. Smart (or intelligent) Switches
4. Enterprise Managed (or fully managed) switches

Servers

1. Hosting Server

1. Shared Server
2. Virtual Server

2. Managed Dedicated Server

1. Cluster/Grid
2. Cloud

3. Application Server

1. Web Servers
2. Application Servers
3. Specialized Servers: File, Printer and Database Servers
4. Media Servers
5. Mail (Exchange) Servers
6. Trends in Server Type Configuration and Performance
7. Green and Energy Efficient Servers
8. Blade Servers
9. Mobile Rack Servers
10. Efficient Cloud Servers

senario: There are two switches connected via trunk port.One end station is connected to each switch via access port. All the ports are in same VLAN.All the ports have same speed 1Gbps.Start sending 1Gbps traffic from one end station to other. Determine percentage of traffic received by destination end station.

2049

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Define slip?

583

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How do two computers communicate with each other when they are connected through L2 or L3 switch?

2484

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Explain how to perform system maintenance?

571

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Define peer to peer?

658

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I have to do a project in transport domain in J2EE.How can i find informations regarding transport domain and why do we use that?

1687

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I want to Use Motorola Canopy 5.4 GHZ System for wireless Internt , i need how setup this network , i need step by step guide , Also i need what Hard i need for in such setup .

1701

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Define mac addresses?

601

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Explain the major disadvantage of a star topology?

496

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Explain netstat?

576

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What is RSTP?

1930

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I am to introduce a new financial product through nationalised Banks.How I could monitor the dealings,ie.payment made or withdrawn from the accounts of our clients and how the customers could read the details of their accounts through the mobiles.

1630

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Explain the osi role in computer networking?

580

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Is it possible to connect two computers for file sharing without using a hub or router?

545

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List the functions of a network administrator?

617

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