Networking device

-

                     Ch-1 Networking device


1-Switch

Features of switch

1-Speed

2-PoE (Power over Ethernet) 

3- Software Defined Networking (SDN)

4- QoS Support

5- Stackable Switches / virtual chassis.

6- Network security

7- Interoperability

8- Single Point of management 

Use of switch 

A network switch connects devices with in a network (often a local areas network or LAN) and forwards data packets to and from those devices.

2-Routers

Features of Routers

1- A Router is a layer 3 or network layer devices. 
2- It connects different networks together and sends data packets from one network to another
3- A Router can be used both in LANS (Local area networks) and WANS (Wide Area Networks)...
4- It Tranfers data in the form of IP Packets. 
5- Routers provide protection against broadcast storms.

Use of router

Managing traffic between these networks by forwarding date packets to their intended IP addresses, and allowing multiple devices to use the same internet connection.

3-Hub

Features of Hub

1- Hubs do not perform packets filtering or addressing functions.
2- They just send packets to all connected Devices.
3- Hubs operate at the Physical layer of the open system interconnection(OSI) model

Use of Hub

 connects multiple computer networking devices together. A Hub also acts as a repeater in that it amplifies singals that Deteriorate after traveling long distances over connecting cables.

4-Modem

Features of modem

1- Automatic cable sensor.
2- Automatic calling card Dialing.
3- Call progress Detection. 
4- Caller ID.
5- Analog cellular communications.
6- Dialing Stored Phone Numbers.
7-Digital Line Guard.

Use of moden

Modem is a devices that enables a computers to send or receive data over telephone or cable lines.

Comments

Post a Comment

Popular posts from this blog

Ch A Triumph of surgery Q/A

-
Q what kind of a person do you think the narrator is a veterinary surgeon? Would you say he is Artful as well as full of common sense? Ans The narrator seems to be a practical perum with lots of common sense. He is helpful to others as well. The way he treats tricky without a single medicine tells VS about his common sense more over the way he shares eggs, wines & brandy sending miss Pumphrey with his staff, and tells VS about his practised mindset. Q Do you think. I was happy to go home. what do you think will happen now Ans The way the trick jumps in its owner's lap and away shows affection towards the owner and indicates that tricky is happy to go home. Either Mrs Humphrey will want her ways & more trick on agile & healthy dogs or she may go back to her old ways of spoiling trick habits. Q Do you think this is a real-life episode or more fiction? Or fiction or a mixture of both. Ans This can be anything. This can be a real-life story fiction or a mixture of both. Q T...
Read more

Structure of nephron

-
                 Structure of nephron 1) Glorerucless 2) Bow Man's capsule 3) Proximal Convoculated tubeless (PCT) 4) Loop of Henle a) Ascending b) Descending 5) Distil C.T 6) Collective tube The function of nephron/urine concentration 1) Ultrafiltration 2) Selective Reabsorption 3) Secretion 1) Ultrafiltration The glomerulus filters the deoxygenated blood into oxygenated blood and transports it back out of the kidney. 2) Selective Reabsorption The different parts of the nephron absorb different materials. P.C.T.- 80% water, glucose, salt Ascending loop of Henle- Urine Vasorecta- Glucose, amino acids D.C.T- Facilitated absorption of 20%water with the help of hormones. 3) Secretion Excess waste is secreted out of getting the kidney. 4)Micturition  The process of throwing urine out of the body through the Urethra is called micturition. This action is Controlled by Lorain. Urine • The human urine is yellow due to Bilruvin secreted by the li...
Read more

Sentences Recording

-
Rearrange the following words and phrases to form meaningful sentences, first has been done for you. 1) extremely/a/Gries/it/is/that/matter/unkindly/ animals/are exploited. Ans it is an extremely a matter of grief that animals are exploited unlikely. 2)killed/theyare/beaten/chained/and/merchilily/trained Ans they are beaten chained trained and killed merchilily. 3) their/need/but/hears/and pays/ nobody/to cry. Ans but nobody hears and to their cries. 4)Sand/auxiliaries/animals /necessary/are hour/and survival/ for you Ans animals are our friends, auxiliaries and necessary for our survival Q5 animals/matters/one visions /world should be/welfare Ans our vision should be a world animal welfare matter.
Read more