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?2 3331
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 9200
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?
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.4 4365
What is the difference between process and thread ? also what is the difference between process and service >
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.2 4475
Talk about diffrent types of cables used in lan cabling?18 23044
Difference Between DDR1, DDR2 and DDR3 memories.
Explain Network Topologies and their uses.
Why does ATM use the cell of small and fixed length ?
What is the difference between IE 6 & 8?
How the code in popup card number(SIM recharge card number) will be unique?How they designed?What is the formula?Please answer me?
Explain any three error detection and correction techniques.
Differentiate between IEEE 802.3, IEEE 802.4 and IEEE 802.5 standards.
List out the main responsibilities of the network layer.
What is Mail Gateway
Differentiate between stop-and wait ARQ and Go-back-N protocol.
Explain various cabling techniques used in IEEE 802.3 standard.
what is colour port? what is the use with it?
what is Voltage levels of rs232x?
what is upsizing and downizing?