I have 2 networks. One is LAN & other is Tata Indicom Modem which is connected to USB. The problem is that When USB Modem is using, i am unable to use LAN. And when we use LAN, we cannot use USB Modem. kindly help me.

6452

Convert the IP address 197.228.17.56 into binary ?

4020

Explain any three error detection and correction techniques.

1813

Enumerate the main responsibilities of data link layer ?

1958

Is the nyquist theorem true for optical fibre or only for copper wire ? Explain.

3202

Explain pure-ALOHA and slotted- ALOHA systems. Give the expression for throughout for each,clearly explaining the various terms.

2119

What is MAC address

1257

How kernal work in operating system?

2165

Explain Salient difference between ISO-OSI and TCP/IP models.

1876

Why is a data link layer switch preferred over a hub ?

2058

Why do data link layer protocols position the checksum in the trailer and not in the header ?

2383

What is silly window syndrome

1289

1. What ports does FTP traffic travel over? 2. What ports does mail traffic utilize? 3. What ports do HTTP and HTTPS use? 4. Why is NTP required in an NFS network? 5. Name some common mal software on the server side 6. What is CPAN? How do you access it? 7. What is PEAR? 8. What advantages does mod_perl have over a perl CGI? 9. What is required to do SSL in Apache 1.x? 10. What is Tcl? 11. What is a servlet engine/container? 12. What is BIND? 13. Name the steps to setup a slave zone in BIND 14. Name the steps to setup a primary zone in BIND 15. What commands would you use under Solaris or Linux to modify/view an LDAP tree?

2746

Differentiate between IEEE 802.3, IEEE 802.4 and IEEE 802.5 standards.

4905

How to create dynamic users on simple Asterisks server for simple extension based x-change?

2214