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

How many layers are under tcp/ip?

1052

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How proxy servers protect computer networks?

1107

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Define network topology?

1095

---

Define nos?

1042

---

can i get oracle10g with Linux installation procedure

1986

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Purpose of TTL. How it gets modified.

2126

---

Explain routers?

1031

---

How to securing a computer network?

1066

---

how do u share printer through FTP(fire transfer protocol)?

2478

---

Explain backbone network?

1099

---

Define lan?

1084

---

How to identify the ip class of a given ip address?

1064

---

How dynamic host configuration protocol aid in network administration?

1132

---

Explain sneakernet?

1069

---

Explain the importance of implementing a fault tolerance system? Are there limitations?

1103

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