Is the nyquist theorem true for optical fibre or only for copper wire ? Explain.
No Answer is Posted For this Question
Be the First to Post Answer
1. What is the difference between layer 2 and layer 3 in the OSI model? 2. What is the difference between a hub, switch, and router? 3. What is a VLAN? 4. What is the difference between TCP and UDP? 5. How do you distinguish a DNS problem from a network problem? 6. What is a runt, Giant, and collision? 7. What is a broadcast storm? 8. What is the purpose of VRRP? 9. What is a VPN? 10. What information about a peer would I need to establish a VPN? 11. What is a full-class C in CIDR notation? 12. What is a default route? 13. What is a metric? 14. What is a MAC address? 15. What is ARP/RARP? 16. Describe a TCP connection sequence 17. What is MTU? 18. What other TCP setting can you modify besides MTU to shorten packets?
2 Answers 247Customer, Bharat BPO, Verinon Technology Solutions,
If we have a firewall in our network then how to connect a VPN server through internet and therefore which port to open in the firewal?
What is OSPF
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?
How to make a port to a dedicated port through dll registration in a windows system
what is web server,application server,database server
What is virtual path
What is an Operating System?
Explain Attenuation?
One of my friend told that M.C.A people are not prefered by the companies for networking side requirement is it true? please post your answer.because i want to make my career at networking side.
what is frame realy
How to use a user of domain as a SQL server database login.