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MAN Network Interview Questions & Answers - Learning Mode
COOLINTERVIEW.COM NETWORKING INTERVIEW QUESTIONS MAN NETWORK INTERVIEW QUESTIONS QUESTIONS & ANSWERS - LEARNING MODE

MAN Network Interview Questions & Answers - Learning Mode

A metropolitan area network (MAN) is a network that interconnects users with computer resources in a geographic area or region larger than that covered by even a large local area network (LAN) but smaller than the area covered by a wide area network (WAN). A metropolitan area network (MAN) is a computer network larger than a local area network, covering an area of a few city blocks to the area of an entire city.

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MAN Network Interview Questions & Answers - Learning Mode
Try MAN Network Interview Questions & Answers - Exam Mode
Question: WHAT IS DIFFERENCE BETWEEN DIAL-UP INTERNET CONNECTION AND BROADBAND CONNECTION?


Answer: Dial up connection requires a username/password & a modem to connect to internet.The maximum speed will be of 56kbps only. In this either the phone or the internet will work at a time.

While in broadband connection (it need a modem & may need user/password).It is directly connected with RJ45 LAN card. Its speed ranges from 256kbps to several mbps. In this both phone line and internet can work together. Source: CoolInterview.com
Question: What is the difference between hub,switch and router?

Answer: HUB When Ethernet was originally designed it used a single fat coax called a backbone. Individual hosts were physically connected to the backbone. This created a party line. Each host has to listen for the backbone to be idle before it started talking. It is possible more then one host will start talking at the same time, in that case the messages collide making them unintelligible. This condition is detected each transmitter stops talking and waits a variable interval before attempting to talk Source: CoolInterview.com
Question: Under what situations a packet can go into infinite loop in a network ?

Answer: if there are more than one way for reaching a particular router from the same source router.

1.If TTL(time to live)field become zero.
2.Invalid destination.
3.if any fragment is lost. Source: CoolInterview.com
Question: How many ips we can assign to a particular pc?

Answer: normally u can assigh one ip, if u ant to assign more than one ip , then u use diff LAN card(external lan card) Source: CoolInterview.com
Question: Describe a 3-way TCP/IP Handshake.

Answer: To establish a connection, TCP uses a 3-way handshake. Before a client attempts to connect with a server, the server must first bind to a port to open it up for connections: this is called a passive open. Once the passive open is established then a client may initiate an active open. To establish a connection, the 3-way (or 3-step) handshake occurs:

The active open is performed by sending a SYN to the server.
In response, the server replies with a SYN-ACK.
Finally the client sends a Source: CoolInterview.com
Question: What are the difference between node,host,terminal,system,hub?


Answer: These are all different things in networking.
Hub:Where we connect all the the links for a networking connection.
Node:It can be identified as a one connection.
Host:is nothing than if you are going to send a request to the server the questioned system can be know as a host.
Source: CoolInterview.com
Question: WHAT IS MEAN BY DNS(DOMAIN NAME SYSTEM)AND WHAT IS THE PURPOSE OF IT?


Answer: DNS is called domain name server.it is used to resolved the ip address to domain name or vise versa. Source: CoolInterview.com
Question: What is metropolitan area networks?

Answer: A MAN is optimized for a larger geographical area than a LAN, ranging from several blocks of buildings to entire cities. MANs can also depend on communications channels of moderate-to-high data rates. A MAN might be owned and operated by a single organization, but it usually will be used by many individuals and organizations. Source: CoolInterview.com
Question: What is passive topology?

Answer: When the computers on the network simply listen and receive the signal, they are referred to as passive because they don?t amplify the signal in any way.

Example for passive topology - linear bus. Source: CoolInterview.com
Question: What is Proxy ARP?

Answer: It is using a router to answer ARP requests. This will be done when the originating host believes that a destination is local, when in fact is lies beyond router.

Proxy ARP (Address Resolution Protocol) is a technique by which a device on a given network answers the ARP queries for a network address that is not on that network. The ARP Proxy is aware of the location of the traffic's destination, and offers its own MAC address in reply, effectively saying, "send it to me, and I'll Source: CoolInterview.com

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