Interview Questions.

Q1. Explain What Is Difference Between Baseband And Broadband Trmission?

In the baseband trmission, the whole bandwidth of the cable is ate up by a unmarried signal. In broadband trmission, alerts are despatched on a couple of frequencies, allowing multiple alerts to be despatched simultaneously.

In baseband trmission we trmit virtual signal with out changing it into analog, right here a low skip channel is used.

In broadband trmission we trmit digital signal by way of converting it into analog. Right here a band bypass channel is used.

Q2. Explain What Are The Security Features In Lanwriter?

Every user is required to have a legitimate login account earlier than the use of LANwriter to jot down facts. User validation is towards the WindowsXP safety database of the laptop hosting LANwriter. Users are of various sorts and there are ascending stages of security privileges.

For eg. Admins have full control while Normal customers can simplest compile information writing jobs and write them only after Approvers give approval. All records is cataloged and optionally archived to a spare Disk Drive before being written. This can be mentioned at whenever to find out what information became written by way of any precise user for any unique process.

Q3. What Is A Wireless Lan (wlan)?

Very clearly, a WLAN is a wi-fi or radio frequency extension of a LAN. Some WLANs but, together with ad-hoc networks have no wired components. Generally these networks are based on the IEEE 802.11 protocol suite but can also consist of proprietary communique protocols.

Q4. Explain Can Lanwriter Be Used Over The Internet?

LANwriter being a browser-based totally utility may be accessed over the internet if the LANwriter host is published as a virtual server in the back of your firewall. However this accessibility is best used for approving jobs remotely as opposed to for growing jobs which calls for actual bulk file trfer over the community and can not be carried out through the browser.

Q5. Explain What Are The Different Type Of Networking / Internetworking Devices?

Also referred to as a regenerator, it's miles an electronic tool that operates handiest at physical layer. It gets the sign within the community before it becomes weak, regenerates the original bit pattern and places the refreshed replica back in to the link.

Bridges:

These operate each inside the bodily and records hyperlink layers of LANs of identical type. They divide a larger community in to smaller segments. They incorporate logic that permit them to maintain the site visitors for each phase separate and for that reason are repeaters that relay a frame most effective the facet of the segment containing the supposed recipent and manage congestion.

Routers:

They relay packets amongst a couple of interconnected networks (i.E. LANs of different kind). They perform within the physical, statistics hyperlink and community layers. They contain software program that allow them to decide which of the several feasible paths is the best for a particular trmission.

Gateways:

They relay packets among networks which have one of a kind protocols (e.G. Between a LAN and a WAN). They take delivery of a packet formatted for one protocol and convert it to a packet formatted for another protocol before forwarding it. They operate in all seven layers of the OSI version.

I Think Switches has left both layer 2 and @Bridges are not used nowadays and it additionally paintings on information link layer and now not on bodily layer.

Switches (L2)

It breaks collasion domain. Uses MAC deal with to talk. Faster than bridges.

Q6. Explain What Do I Need To Make A Wlan Work?

Basically all this is needed is a trmitting device, which connects to the Internet and operates in one of the unlicensed frequency bands, and a receiver (normally a PCMCIA card), which connects for your computer. But it is now not that smooth.

There are many present day merchandise which have been designed with unique uses in thoughts. Some are very simple, and others very sophisticated. It's type of like asking what sort of laptop does someone need? Well it absolutely relies upon on what it is being used for. Is it processing big quantities of statistics, maybe just used for surfing the net, possibly protecting top-secret information! It's apparent that the sort of task dictates the type of system wanted. Are you confused but? Don't worry! LBA has the understanding to help you determine what is the proper gadget in your commercial enterprise application.

Q7. Can We Import Users From Active Directory?

The subsequent launch of LANwriter will offer this facility of connecting to an Active Directory server at the network for user control.

Q8. When A New Trunk Link Is Configured On An Ios-based totally Switch, Which Vl Are Allowed Over The Link?

By default, all VLANs are allowed on the trunk link and you have to dispose of via hand each VLAN which you don't need traversing the trunked hyperlink.

Q9. Explain Is Setup, Configuration And Maintenance Easy?

YES ! Setup could be very smooth. Even a lay laptop person could be capable of install LANwriter with none difficulty, way to the shrewd setup application that robotically installs the specified system components and courses and prompts the person in a pleasant manner to input suitable statistics as and when essential. After the initial installation is accomplished, the simple LANwriter setup can be further configured from any machine on the community via an internet browser.

Q10. Explain Are All Wlan Products Interoperable?

All products that agree to IEEE 802.Eleven standards hold a few interoperability. Products that bring the Wi-Fi certification are tested to affirm a base degree of interoperability.

Q11. What Is Boot To Lan?

Boot to LAN is most customarily used while you are doing a clean installation on a gadget. What you would do is setup a network-primarily based installer able to community-booting via PXE. Boot to LAN allows this through allowing a pre-boot surroundings to search for a DHCP server and hook up with the broadcasting network installation server.

Environments that have very big numbers of systems greater frequently than not have the functionality of pushing out pix through the network. This reduces the amount of fingers-on time this is required on each gadget, and continues the installs more constant.

Q12. Which Protocol Reduces Administrative Overhead In A Switched Network By Allowing The Configuration Of A New Vlan To Be Distributed To All The Switches In A Domain?Explained It?

Virtual Trunk Protocol (VTP) is used to pass a VLAN database to all or any switches within the switched network. The three VTP modes are server, customer, and trparent.

Q13. Explain How Is Lanwriter Administered?

Administration of all aspects of LANwriter is accomplished through an internet browser from in the LANwriter application itself.

Q14. Explain What Is Netbios And Netbeui?

NETBIOS is a programming interface that lets in I/O requests to be despatched to and obtained from a far off laptop and it hides the networking hardware from programs.

NETBEUI is NetBIOS prolonged person interface. A trport protocol designed by way of microsoft and IBM for the use on small subnets.

NETBIOS is a programming interface that lets in I/O request to be ship to and obtained from a faraway laptop and it hides the networking hardware from programs.

NETBEUI is a netBIOS extended person interface. A trport protocol designed via Microsoft and IBM for the use on small subnets.

Q15. Explain Can We Have Too Many Aps And What Is The Impact?

We can actually have too many APs and this may surely be more tough than too few APs. When devices on the identical channel are co-placed with out sufficient channel separation the end result is wasted gadget and reduced overall performance.

Q16. Explain What Is An Access Point (ap)?

An get entry to factor or AP is the infrastructure tool that contains a stressed community interface and one or extra radio interfaces that bridges information between the air and the cord.

Q17. How Does Lan Work?

LANwriter is established on a WinXPP computing device equipped with a CD-Burner, USB Ports for flash drives and connectivity to the Internet for FTP . A LAN consumer trying to write down a CD or trfer records to a pen force or an FTP server, begins up the browser on his machine and factors it to an internet software jogging at the LANwriter sever, logs in and is guided along with the aid of the software program in trferring files to the LANwriter laptop.

He then creates a information trfer task and asks LANwriter to jot down the information to the selected vacation spot viz. CD, Pen pressure or Ftp server. LANwriter executes the writing process in a queued way and shops the statistics approximately the job in a database and competently files the files to an archive vicinity for destiny reference and reuse. LANwriter as a consequence keeps an in depth document of the History of all facts writing jobs and acts as a comfy information publishing system for the organisation.

Q18. Explain Ping Utility?

PING stands Packet Internet Gopher. This is a utility for making sure connectivity between computers . ICMP protocol works behind this application. Under it , sending node sends packets to destination node and respond is obtained if there may be right conversation between .

PING : Packet Internet Gropper

it's a diagnostic software , which diagnose devices connectivity.

It use ICMP: Internet Control Messaging protocol to send echo requests ( typically four packets) and acquire echo replies (four packets)

Q19. Explain What Is Local Area Network?

A neighborhood place network (LAN) is a pc network protecting a small bodily region, like a home, workplace, or small group of homes, which includes a faculty, or an airport.

Lan stands for local location community. A range of structures connected in a bodily connectivity in a restricted geographical vicinity that is known as lan. It affords complete time connective.

Q20. Explain Lan?

LAN is a pc network that sp a rather small location. Most LANs are limited to a single building or group of homes. However, one LAN may be linked to different LANs over any distance via smartphone lines and radio waves. A device of LANs related in this way is referred to as a wide-place network (WAN). Most LANs join workstations and personal computer systems. Each node (individual computer) in a LAN has its very own CPU with which it executes packages, however it is also capable of get admission to information and gadgets everywhere at the LAN. This me that many users can share steeply-priced gadgets, including laser printers, in addition to statistics. Users can also use the LAN to communicate with every different, with the aid of sending electronic mail or engaging in chat periods.

Q21. Explain How To Create Vlan?

VLAN is era wherein we can administratively assign distinctive ports of identical layer to exchange to exceptional subnet works.