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

0 Answers  

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Explain 1-persistent, p-persistent and 0-persistent CSMA giving strong and weak points of each.

0 Answers   Vee Technologies,

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What is autonomous system

0 Answers   Elgi Equipments,

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Domain user can have multiple login password true or false

4 Answers  

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how many host we can add for network 172.112.0.1/20 ? and which is the broadcast address for above network ?

6 Answers   KPIT,

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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?

0 Answers   TCS,

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a node has the ip address 138.50.10.7 and 138.50.10.9. But it is transmitting data from node1 to node2 only. The reason may be a)a node cannot have more than one address b)class A should have second octet different c)classB " " " " " d)a,b,c

1 Answers  

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How can we enable the USB pen drive in Network if Network administrator Disable the Drive. Asume You are Computer administrator but when you enable it it show windows can't enable this dirve.

7 Answers   BSNL, HCL, TCS, Value Source, Wipro, Zoho,

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why we need MAC address in data link layer?

2 Answers   TeleTech,

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What is NVT (Network Virtual Terminal)

0 Answers   Elgi Equipments,

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Differentiate between Baseband co-axial cable and broad band coaxial cable

0 Answers  

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Explain CSMA/CD

0 Answers  

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