Why DNS use both TCP and UDP ports. And for which purpose it uses TCP and UDP.

5 Answers   Accenture,

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If all stations tries to communicate at same time, what will happen ?

4 Answers   Honeywell,

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TCP uses the services of IP protocol and IP is connection less protocol, then how TCP guarantees the delivery of packet to the destination?

4 Answers   Accenture,

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How do Routers work

9 Answers   TCS,

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• Brief me about yourself? • What are your day to day job roles /responsibilities? • What is the through put of 3560 POE switch? • What is POE switch? • How will you configure VLAN in a new switch? • What is NAT? • Different types of NAT? • Difference between NAT & PAT? • Explain with diagram how you can access a PC on internet; will NAT come into picture, how? • How many physical ports are there in PIX 515E? Are they Ethernet of gigabyte? • What is difference between ASA5510 & ASA5550?How many ports are there • Explain any client network topology? • How will you configure a new firewall, parameters for configuration? • What is HSRP? • If a link is down what status will be the interface be in? • How good are you in SWITCHING ,rate yourself between 1 to 5 • What is VLAN • Avaya IP Phone, separate required? • Configuration for DATA and VOICE VLAN? • What is VTP? • Modes of VTP • Can we have more than 2 VTP servers in a single VTP domain? • What is STP? • How STP works? • How is Root Bridge elected? • Which priority is considered, highest or lowest? • Difference between STP & RSTP? • Modes of STP? • By default which mode of STP is there? • By default which mode of VTP is there? • In firewall which security level is what? • What is DMZ? • What is ether channel?

0 Answers   DELL, TCS,

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Explain what does the protocol FTP do?

0 Answers   BPL,

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What is TACACS? Radius?

4 Answers   Cisco, CSC, DV, Motorola,

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Suppose in DHCP server running network(assigning ip addresses automatically), you connect a Laptop in the same n/w, now how the DHCP is going to assign a IP add. to it and how it will came to know that there's one new machine added.

13 Answers   Cisco, CybAge, Mphasis, Targus Technologies, Zensoft,

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what is ping of death ?

3 Answers  

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What is SPAN or RSPAN?

2 Answers   Cisco,

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Expand URL

5 Answers  

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how does works ARP protocol?

3 Answers  

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