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Outline and discuss the main fields in Ethernet IEEE 802.3 frame. What are the main objectives of preamble ?
1924What is the average number of transmission required to send a frame of length 1600 bytes correctly, if the bit error rate is 1 x 10-6.
1596Explain what is meant by the term ‘integrated service digital network’. Give three reasons a company might choose an ISDN link in preference to a leased line.
1622Subnet the class C network address 198.67.25.0 into eight subnets. Why are the ‘all ones’ and ‘all zeroes’ subnets not used ?
1882What do you understand by the term ‘structured cabling’. State the main rules that should be used when installing a cable. 31. Show that maximum cabling area for LAN for horizontal cabling runs is approximately 200m.
1641What are the various classes of IP addressing? Calculate the maximum number of class A, B and C network Ids.
1762Post New Networking AllOther Questions
Explain Wireless networks.
What do you understand by the term ‘structured cabling’. State the main rules that should be used when installing a cable. 31. Show that maximum cabling area for LAN for horizontal cabling runs is approximately 200m.
What is OSPF
Why does ATM use the cell of small and fixed length ?
Which layer is used to run services like FTP, Telnet etc.
What is virtual path
Explain what is meant by the term ‘integrated service digital network’. Give three reasons a company might choose an ISDN link in preference to a leased line.
When creating a static route, what is the gateway used to define?
When is a translating bridge used ?
What is the difference between TFTP and FTP application layer protocols?
What is sliding window protocol ?
Is the nyquist theorem true for optical fibre or only for copper wire ? Explain.
Explain FDDI
Differentiate between static and dynamic channel allocation.
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?
