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Local Area Network
Questions concerning the setting up, troubleshooting and operation of wired LANs used by businesses and other organizations
4,003 Questions
Which Layer 4 protocol is used to transport voice packets in a VoIP deployment?
UDP - primarily for speed is used to transport voice packets in a VoIP deployment.
Connecting home computer and work computer?
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How do you find your IP subnet mask on vista?
1. On the Start Menu, right-click on Network and click Properties.
2. A Network and Sharing Center window will open. Click View status to the right of Local Area Connection.
3. In the new Local Area Connection Status window that opens, click Details. Your IP Address will be listed among the other connection details. * 4 months ago http://grok.lsu.edu/Article.aspx?article...
Which scenario describes a typical peer-to-peer network environment?
An employee downloads a file that is stored on a departmental file server.
What connector used with a thin coaxial cable?
A thin coaxial cable that is used as a connector is also called a thinnet. It is popular in linear bus networks.
List advantages and disadvantages of protocols?
It isn't a question of advantages and disadvantages; a protocol is an agreed-upon set of rules. These rules are designed to allow (in the case of networks) an agreed-upon framework for communication of nodes within a network.
These rules are worked on by committees, representing users and companies world-wide.
10BASE2 is a variant of Ethernet that uses thin coaxial cable. The 10 comes from the maximum transmission speed of 10 millions of bits per second, The BASE stands for baseband signaling, and the 2 supposedly refers to the maximum cable length of 200 meters.
How many bites does an IP address have?
In case of IPv4, the address has 4 bytes. In case of IPv6, the address has 16 bytes.
15 How do you know the path that a packet takes to the destination?
You use the traceroute command. Example, in Windows: open a command window, and type tracert wiki.answers.com.
You use the traceroute command. Example, in Windows: open a command window, and type tracert wiki.answers.com.
You use the traceroute command. Example, in Windows: open a command window, and type tracert wiki.answers.com.
You use the traceroute command. Example, in Windows: open a command window, and type tracert wiki.answers.com.
What type of connector is most often used to connect machines to hubs and switches?
RJ45 female and males.
What is the role of the OSI application layer?
Application layer is designed to convert user data to language that can be understood by Presentation layer. For instance, http is at Application layer and converts people language to language that can be understood by browsers.
What is the importance of ip packets?
Internet Protocol, IP, is a data oriented protocol used for communicating data across a packet switched internetwork. It is one of the main components of our ability to connect to the internet. The most current and popular network layer protocol is IPv4.
Why Use RJ45 interface in LAN network?
The simple answer is that there aren't enough wires; RJ11 has 4 wires, and RJ-45 uses 8 wires. In addition, the RJ11 wire is not twisted, so there is a problem with crosstalk.
What are the advantages of peer-to-peer networking?
An important goal in peer-to-peer networks is that all clients provide resources, including bandwidth, storage space, and computing power. Thus, as nodes arrive and demand on the system increases, the total capacity of the system also increases. This is not true of a client-server architecture with a fixed set of servers, in which adding more clients could mean slower data transfer for all users. The distributed nature of peer-to-peer networks also increases robustness in case of failures by replicating data over multiple peers, and -- in pure P2P systems -- by enabling peers to find the data without relying on a centralized index server. In the latter case, there is no single point of failure in the system. When the term peer-to-peer was used to describe the Napster network, it implied that the peer protocol was important, but, in reality, the great achievement of Napster was the empowerment of the peers (i.e., the fringes of the network) in association with a central index, which made it fast and efficient to locate available content. The peer protocol was just a common way to achieve this.
What type of cable does a standard Ethernet require?
The modern Ethernet cable is a Category 5 UTP cable, with an RJ 45 connector.
LAN is a Local Area Network A LAN is the short abbreviation for Local Area Network. In a LAN you usually have many computers connected together using ehternet, Wifi, etc. The computers in Lan have the ability to share resources such as printers, scanners, hard drive space, and an internet connection. The inter net is also a network but a much larger scale LAN usually refers to a small network like the computers in one house, company, school, etc. Answer A local area network (LAN) is a computer network covering a small physical area, like a home, office, or small group of buildings, such as a school, or an airport. The defining characteristics of LANs, in contrast to wide-area networks (WANs), include their usually higher data-transfer rates, smaller geographic place, and lack of a need for leased telecommunication lines. Ethernet over unshielded twisted pair cabling, and Wi-Fi are the two most common technologies currently, but ARCNET, Token Ring and many others have been used in the past. The ITU-T G.hn standard provides a way to create a high-speed (up to 1 Gigabit/s) Local area network using existing home wiring (power lines, phone lines and coaxial cables). Answer: A local area network (LAN) consists of two or more computers connected together in a building or home using software and hardware. A LAN is contrasted to a wide area network (WAN) such as the Internet, which covers a large geographic area. In a LAN, there is a main computer or server, and remote computers called clients. By creating a LAN in the home or office, computers on the LAN can share files, resources, and if desired, an Internet connection.
A Local Area Network (LAN) is a network that is confined to a relatively small area. It is generally limited to a geographic area such as a writing lab, school, or building.
Computers connected to a network are broadly categorized as servers or workstations. Servers are generally not used by humans directly, but rather run continuously to provide "services" to the other computers (and their human users) on the network. Services provided can include printing and faxing, software hosting, file storage and sharing, messaging, data storage and retrieval, complete access control (security) for the network's resources, and many others.
Workstations are called such because they typically do have a human user which interacts with the network through them. Workstations were traditionally considered a desktop, consisting of a computer, keyboard, display, and mouse, or a laptop, with with integrated keyboard, display, and touchpad. With the advent of the tablet computer, and the touch screen devices such as iPad and iPhone, our definition of workstation is quickly evolving to include those devices, because of their ability to interact with the network and utilize network services.
Servers tend to be more powerful than workstations, although configurations are guided by needs. For example, a group of servers might be located in a secure area, away from humans, and only accessed through the network. In such cases, it would be common for the servers to operate without a dedicated display or keyboard. However, the size and speed of the server's processor(s), hard drive, and main memory might add dramatically to the cost of the system. On the other hand, a workstation might not need as much storage or working memory, but might require an expensive display to accommodate the needs of its user. Every computer on a network should be appropriately configured for its use.
On a single LAN, computers and servers may be connected by cables or wirelessly. Wireless access to a wired network is made possible by wireless access points (WAPs). These WAP devices provide a bridge between computers and networks. A typical WAP might have the theoretical capacity to connect hundreds or even thousands of wireless users to a network, although practical capacity might be far less.
Nearly always servers will be connected by cables to the network, because the cable connections remain the fastest. Workstations which are stationary (desktops) are also usually connected by a cable to the network, although the cost of wireless adapters has dropped to the point that, when installing workstations in an existing facility with inadequate wiring, it can be easier and less expensive to use wireless for a desktop.
Local area network. Simpy put a LAN covers a small area such as one site or in one building, eg a school or a college.
where a WAN, as an example is the "Internet" or a simple example; all of one banks cash machines across the country.
A LAN can be part of a WAN i.e. a school network is connected to the internet (WAN).
A computer network limited to a relatively small local area (e.g. a single residence or office) as opposed to a large wide area (e.g. internet). A LAN may or may not be connected to an external WAN, or may or may not be connected to other LANs without being connected to a WAN.
Difference between a hub and a switch?
A hub forwards packets it receives through one port to every other port on the device. A switch will read packet headers and identify which machines are connected to which port based on the information they send. Any packets addressed to those machines will only get sent to that port of the switch. A router looks at packet headers to determine which port it needs to forward a packet through, and also will translate packets between different protocols if needed. A router can also define subnets and will filter traffic as needed. Routers usually include DHCP, port forwarding capabilities and a whole host of other things usually controlled by software and therefore user customizable.
Hubs, Switches, Routers A Hub is, in its simplest form, just like a mains multiplug unit. There is no intelligence or circuitry in it. More complex units may incorporate an amplifier or repeater. The network signal goes into one port and out of all the others. This is a Layer 1 device. A Switch has a small level of intelligence, in that it can open a message, check the IP address, and direct the message packets to the port on which the device with that IP address resides. It cannot modify IP addresses or see addresses outside of the range of the 'home' network. This is a Layer 2 device. A Router can read IP addresses, and direct the messages to another network with different IP addresses to the originating network. The Router software can build up an address table, so that it 'knows' where other devices are. This is a Layer 3 device. CT
What is the difference lans wans cans mans and Hans?
They all stand for some kind of computer area networks:- LAN's = Local Area Network, WAN's = Wide Area Network, MAN's = Metropolitan Area Network, HAN's = Home Area Network.
What is the first valid host address of 193.168.22.1?
0001 0110 001 is the first valid host address of 193.168.22.1.
How many subnets and hosts per subnet can you get from the network 172.16.0.0?
There are 16 bits available; it is up to you how many of those bits you reserve for the subnet, and how many for the individual hosts within each subnet.
How many collision and broadcast domain are there if a router is directly connected to hub?
A hub contains a single collision domain and a single broadcast domain, regardless of the number of ports on the hub.
How many bits are used in the ipv4 addressing scheme?
The standard IPv4 (Internet Protocol version 4) address currently in use almost everywhere is a 32-bit number split into 4 8-bit values displayed as decimal numbers separated by periods. It is often referred to as a "dotted quad" (as in 192.168.3.24). None of the values should have a leading zero as it may be interpreted as a hexadecimal number (as in 192.168.3.024 and hex 024 will be used as decimal 36). An IPv4 address is split into a network number (your home or company) and a host (each individual machine on your network). The addresses are assigned to classes where class A, B, and C represent different network host capacities. Class D and E are reserved
There is a newer standard IPv6 (Internet Protocol version 6). An IPv6 address has 128 bits split into 8 groups of 16 bit values displayed as a hexadecimal numbers separated by colons (as in 3f45:1c65:05ab:babe:0000:0000:feed:0041). To simplify things, leading zeros can be removed (as in 3f45:1c65:5ab:babe:0:0:feed:41) and all zero entries can be removed altogether (as in 3f45:1c65:5ab:babe:::feed:41).
It is both. For more info. try this link: http://t1rex.blogspot.com/2007/12/what-is-ethernet-wan.html
