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previou it officer paper central bank of india 2008

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by , 02-13-2012 at 07:35 AM (4212 Views)
      
Q5 What is a Three-Tier Architecture?

A three-tier architecture introduces a server (or an "agent") between
the client and the server. The role of the agent is manyfold. It can
provide translation services (as in adapting a legacy application on a
mainframe to a client/server environment), metering services (as in
acting as a transaction monitor to limit the number of simultaneous
requests to a given server), or intellegent agent services (as in
mapping a request to a number of different servers, collating the
results, and returning a single response to the client.
For SBI Speciality Officer, Allahabad bank IT
Officer Exam

Model Questions : The Descriptive Test should be Prepared on
Basis of All Books of Degree Exam with Special Emphasis on Banking.We
are Listing Sample Questions

1. What do you understand by Authentication and Encryption in the
context of system security? In this context explain
(i) Kerberos
(ii) IP Security
(iii) RSA Encryption

2.Write short notes on each of the following:
(a) Trojan Horse
(b) Smart Cards

3. Write short notes on each of the following:
(a) Trojan Horse
(b) Smart Cards
(c) Physical threats and security
(d) PGP

4. Explain the DMA controller with block diagram. What is meant by a
block transfer? What are the various phases of an instruction cycle ?
Give the micro operation of fetch and decode phases
Compare Static RAM with Dynamic RAM.

5. Using NAND gate generate the AND and NOR functions

6. Which of the following services should be enabled in a secure
workstation connected in an Ethernet LAN ?

Give reasons for your answer.
Anacron, ftp, netfs, nfs, telnet, sendmail, SSH, syslog, SNMP, time.
(Assume the LAN is connected to the Internet but is not connected via
Firewall nor is Kerberos used).

7. What is a Socket ? Write two differences between a TCP Socket and a
UDP Socket.

8. What are the standard port numbers for (i) Web Server (ii) Mail
Server (iii) FTP Server (iv) Telnet ?

9 What is Network Address Translation (NAT) ? Give any two advantages
and two disadvantages of NAT.

10 What is VPN ? How is it useful for an organization ?

11. What is a Search Engine ? How is it useful for Internet/Intranet ?
Give the names of any four Search engines.

12 What is WAP ? Give any two advantages and two limitations of WAP.
Also explain its layered architecture.
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Updated 02-13-2012 at 01:59 PM by RPS

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  1. SNARESS's Avatar
    plz send me some more past n sample papers regarding IT
    thank u