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Computer Networking

Computer networks are collections of computers which are connected together in order to communicate and transfer information. Questions about computer networks, networking protocols, and how to set them up belong here.

18,810 Questions

What is The difference between peer and friend?

In a technical sense, a peer is someone who is equal to you in terms of status, age, or abilities, while a friend is someone with whom you have a close personal relationship based on mutual affection and trust. Peers are often found in academic or professional settings, where they provide support and feedback. Friends, on the other hand, are individuals you choose to spend time with outside of structured environments, and they play a significant role in your emotional well-being.

What are the Disadvantages of parallel computing?

They typically take up A LOT of space.

Supercomputers have the following disadvantages:

- Generate a lot of heat often require water cooling in addition to an A/C system

- High power requirements which cost at minimum $400 per hour or $3.5 million per year as an example

- The initial purchase can be at minimum $100,000

- Large space requirements

What type of bridge is used to segment network traffic for the purpose of reducing bottlenecks?

Jumlah murid kelas 5 adalah 40. Hari ini, 4 murid tidak masuk sekolah dikarenakan sakit. Dari kasus tersebut, berapa persentase murid yang tidak masuk sekolah?

a. 10%

b. 15%

c. 20%

d. 25%

Do you need to pay monthly for an Ethernet cable?

Oh, dude, that's a good one! No, you don't pay monthly for an Ethernet cable. It's a one-time purchase, like buying a pair of socks. Just plug it in and enjoy the sweet, sweet internet without worrying about monthly fees. It's like owning a magic cord that brings the world to your fingertips.

What Protocol Provides connections to computers over a TCPIP network?

NIC (Network Interface Card) is a device that makes possible your computer to connect to the network

you must insert your NIC in PCI slot of a computer connect CAT 5 cable to the NIC

assign IP addresses to computers and in such a way let TCP/IP (networking protocol) do its job :)

http://embarq.centurylink.com/embarq/media/images/promo/residential/HSI_nic_display.gif

What does each computer connected to a network need installed to connect to the network?

Any network-connected device includes a Network Interface Card (NIC). This card provides a dedicated connection between a computer and a network and manages the data transmission and reception. It is referred to as a card, originally designed as an expansion card inserted into a slot in the motherboard

What is the main difference between a standalone computer and a computer networked via a LAN?

In general, desktop PC is to meet personal (mostly gaming and home theater purpose) usage while workstation is definitely for work. Sometimes workstation is designed only to perform 1 function (stock trader workstations don't have CD drives, speakers, or usb ports....only keyboard/mouse/monitor).

Remember though, people sometimes call the same configuration computer at home as "PC" while the one at work is labeled as "workstation"!

What is ramification means?

Answer

Ramification is usually used negitively to describe the results of a bad action. If you curse out your teacher, you must accept the ramifications (you'll get an 'F' this quarter).

How do you calculate the baud rate for a 72000 bps 64-QAM signal?

Well, isn't that just a happy little question! To calculate the baud rate for a 72000 bps 64-QAM signal, you simply divide the bit rate by the number of bits per symbol. In this case, for 64-QAM, each symbol represents 6 bits (2^6 = 64), so the baud rate would be 72000 bps divided by 6, which equals 12000 baud. Just remember, there are no mistakes, only happy little accidents in the world of calculations!

Disadvantages of selective repeat protocol?

Selective Repeat Protocol has several disadvantages, including the potential for increased complexity in terms of implementation compared to other protocols like Go-Back-N. Additionally, it requires more memory to store duplicate packets at both the sender and receiver ends, which can be a limitation in resource-constrained environments. Furthermore, selective repeat may not be as efficient as other protocols in scenarios where there is a high rate of packet loss, as it can lead to increased retransmissions and potentially slower overall throughput.

How long is a little bit?

A little bit is usually an hour, half hour etc.

Hope I helped.

What is it called when only one PDU can cross a wire in each direction at any given time?

LLC in LAN Technologies (4)

LLC protocol - HDLC protocol

Type 3 of operation

- each transmitted PDU is acknowledged:

- a new unnumbered PDU is defined: Acknowledge Connectionless (AC) PDU

- user data are sent in AC command PDUs an must be ack using an AC response PDU.

- to guard against the lost PDUs, a 1-bit sequence number is used: the sender alternates 0 and 1…

- only one PDU in each direction may be outstanding at any time

What is the difference between dumb and smart terminals?

A dumb terminal has no local processing capabilities of its own. The computer it is working from could be in another room. An intelligent terminal has local processing capability, so it does more than just act as a way of displaying things. Most old mainframe computers are attached to dumb terminals, enabling one computer to be used by many people. A PC is an intelligent terminal. It can be linked to a mainframe too, acting as a dumb terminal then, but it can be used as a standard computer too.

Why should you map a network drive rather than just access your network resource from the network group in windows explorer?

Well, mapping a network drive can make it easier for you to access your network resources quickly and efficiently. It allows you to assign a drive letter to the network location, making it feel like a part of your computer. This can save you time and make it more convenient to work with your files and folders on the network.

How is aviation better off because of software engineering?

Well, darling, aviation is soaring high thanks to software engineering. Those brilliant minds have made planes safer, more efficient, and even more comfortable for us to travel in. So next time you're cruising at 30,000 feet, remember to thank those software engineers for keeping you up there with the birds.

What is the binary network ID of the loopback IP address?

Oh, dude, the binary network ID of the loopback IP address 127.0.0.1 is 01111111. But like, who really cares about that, right? It's just a fancy way of saying "this is me talking to myself." So, like, chill out and don't stress about the tech jargon, man.

Difference between ios function and manipulators?

1. ios functions returns value while manipulators does not.

2.we can not create own ios functions while we can create our own manipulators.

3.ios functions are single and not possible to be combined while manipulators are possible to be applied in chain.

4.ios function needs <iostream> while manipulators needs <iomanip>

5.ios functions are member functions while manipulators are non-member functions.

What is the relationship between Xerox PARC and the Ethernet?

Xerox PARC (Palo Alto Research Center) played a crucial role in the development of Ethernet. In the early 1970s, a team at PARC, led by Robert Metcalfe, developed Ethernet as a networking technology to connect computers in a local area network (LAN).

Key Points of the Relationship:

Origin: Ethernet was conceived as a way to enable communication between the various devices within PARC. The need arose from the increasing number of computers and workstations that required a method to share information.

Technical Development: Metcalfe and his colleagues developed the first version of Ethernet in 1973. They based it on the concept of a coaxial cable that allowed multiple devices to communicate in a shared medium, which was a novel approach at the time.

Standardization: Ethernet’s design was simple and robust, leading to its rapid adoption. It became a standard for networking, with the IEEE 802.3 standard being established in the early 1980s.

Impact: Ethernet revolutionized networking by providing a reliable, cost-effective way to connect computers, leading to the proliferation of local area networks and ultimately the Internet.

In summary, Xerox PARC was instrumental in the invention and development of Ethernet, contributing significantly to the field of networking and shaping how computers communicate today.

What are the 4 facilities needed to connect the internet?

Well, honey, to connect to the internet, you need a modem to communicate with your service provider, a router to distribute the connection within your home, a network switch to connect multiple devices, and Ethernet cables to physically link everything together. So, get those facilities set up and start surfing the web like there's no tomorrow!

What is the difference between networking and network?

Networking is to access the network via the internet or by any kind of connectivity that involves, or requires a connection to do so. Network is the actual set up or topology of the computers.

What is thinknoodles address?

Oh, dude, I can't just give out personal information like that! That's like asking me to share my secret stash of snacks - not gonna happen! If you're trying to send fan mail, maybe try reaching out through official channels or carrier pigeons, whichever works for you.

Which layer of osi reference model deals with network topology?

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