Networking Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Networking AllOther (430)

Networking Interview Questions

Questions Answers Views Company eMail

What is a characteristic of the 802.3 100BT fast Ethernet? a. CAT5 UTP b. CAT3 UTP c. Max cable length of 200 meters d. BNT T-Connectors

1 2651

Which has error correction? (choose all that apply) Connection Oriented Connectionless oriented

1 2508

You are setting up a 100 Mbps network in a building, which is pre-wired. After testing you decided that the cabling is category 3 compliant. What do you do? a. Keep existing b. Change to category 5

1 3262

You want to connect 2 buildings together that are 1000 meters apart and communicate at 100 Mbps and provide some security on the cable. What do you choose? a. Fiber optic

1 3050

Your HOSTS file looks like this: 123.34.19 product 123.23.45 develop you can ping 187.123.34.19 , but you cannot connect \product etapps . Why ?

1 2363

Your HOSTS file looks like this: 11.12.13 UNIX programmer # Programmers FTP server 11.12.14 server 11.12.15 UNIX developer #Developers FTP server 11.12.20 developer # developer you try to ftp developer, you can connect to the right server. But you try ftp 10.11.12.20, you fail to connect. Why?

1 2700

Two subnet of computers. the subnet on the left has a server called L_SERVER and A workstation called L_WKST1 and the subnet on the right has one server called R_SERVER. L_WKST1 can connect to R_SERVER, but L_WKST1 can not connect to L_SERVER server on the same subnet. Why?

1 2770

Host ----router ----server Class B network. host's IP : ...82.2 , Mask: 255.255.240.0 router's left IP-address is ...64.1 router's right IP-address is ...32.1. Why can the host not access the server ?

1 2684

Your workstation can ping itself by ip, but it can't ping ip of the others on the same subnet. why? (The physical connection is OK).

1 2794

What do you use to find the path a packet takes?

1 2798

What do you use to monitor TCP/IP stats since the last reboot?

1 2709

Command to troubleshoot DNS problems Host name resolution problems:

1 2566

Which of the following protocols are application protocols? a. ARP b. RIP c. FTP d. NFS

1 2748

All IP addresses are eventually resolved to network interface card addresses. Which of the following is used to map an IP address to a network interface card address? a. WINS b. DHCP c. DNS d. ARP

1 2695

Which layer addresses the stations attached to the transmission medium and the next higher protocol that used the transmission service.

1 2496

Un-Answered Questions { Networking }

Can you name all the physical layers in networking?

1170

Explain Protocols?

1308

What are protocols? What are they used for?

1087

What is fast start and slow start? Explain the difference between them.

326

What is non verbal communication?

2464

What is the usage of osi physical layer?

481

What is the purpose of cables being shielded and having twisted pairs?

317

Define tracert?

1086

• 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?

3786

What is BGP (Border Gateway Protocol)

Host IP Address is?

Can you forward the same port to multiple ips?

1066

PLEASE SEND FAQ FOR NETWORK ADMINISTRATOR

2020

What is nat?

1067

How do I find my ip address in terminal?

1081

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