Description : Which of the following is not a transmission medium? (a) Telephone lines (b) Co_axial cable (c) Modem (d) Microwave system -Technology
Last Answer : (c) All are communication channel but modem is a dev that convert analog signals to digital signals or vice-versa
Description : Write down the name of communication channel used for telephone line and TV. -Technology
Last Answer : Communication channel for telephone line is twisted pair cable and for TV is co-axial cable.
Description : Write down the name of communication channel used for telephone line and TV -Technology
Description : Identify the fastest wired media out of the following: Ethernet cable, Optical fiber, Co_axial cable -Technology
Last Answer : Optical fiber
Description : Why wires in twisted pair cable are twisted around each other? -Technology
Last Answer : Wires are twisted to provide protection against crosstalk and noise.
Description : In twisted pair cable, two insulated wires are twisted around each other which provides protection against noise. Explain. -Technology
Last Answer : Twisting the cables keep them close together so that, any external magnetic fields must cross both cable at the same time, so the interference created in one cable is cancelled by the almost exact opposite amount of interference in the other.
Description : Twisted pair cable is suitable for broadband application. -Technology
Last Answer : FalseTwisted pair cable has low bandwidth capabilities and broadband application requires high bandwidth.
Description : When the computer network uses telephone lines as communication channel -Technology
Last Answer : MODEMperforms the task of Modulation at sender's site and DEModulation at the receiver's end. Basically, our computer generates data in the form of digital signals which needs to be forwarded ... signals should be converted back to the original digital signals, then this is called demodulation.
Description : The traditional cable TV system used ________cable endto end. A) twisted-pair B) coaxial C) fiber-optic D) none of the above
Last Answer : coaxial
Description : What medium is used by IBM token ring network that operates at either 4 Mbps or 16 Mbps? A. Twisted pair B. Coaxial cable C. Fiber-optic D. Parallel-wire line
Last Answer : A. Twisted pair
Description : The types of Unguided transmission channel or media used for LAN are __. A. Twisted Pair Cables B. Coaxial Cables C. Radio Waves D. All the above
Last Answer : C. Radio Waves
Description : What is Twisted Pair Cable ?
Last Answer : Twisted pair cable is a type of cable made by twisting two conductive copper or copper wires evenly.
Description : What is the frequency of twisted pair cable ?
Last Answer : Twisted pair cable frequency 0-5MHZ
Last Answer : : Four pairs
Description : What is the primary function of the twist in the twisted pair cable?
Last Answer : Shielding against crosscoupled signals from other wires in acable.By keeping the two wires as close to each other as possible itensures both wires pick up nearly the same amount of ... other words the crosscoupled signals from otherwires cancel out each other in twisted pair cables.
Description : ________uses four pairsof voice-grade, or higher, twisted-pair cable. A) 100Base-TX B) 100Base-FX C) 100Base-T4 D) none of the above
Last Answer : 100Base-T4
Description : ________ uses two pairsof twisted-pair cable. A) 100Base-TX B) 100Base-FX C) 100Base-T4 D) none of the above
Last Answer : 100Base-TX
Description : The HFC network uses _______ cable. A) twisted-pair B) coaxial C) fiber-optic D) acombination of (b) and (c)
Last Answer : fiber-optic
Description : ___ cable can carry signals ofhigher frequency ranges than_____ cable. A) Twisted-pair; fiber-optic B) Coaxial; fiber-optic C) Coaxial; twisted-pair D) none of the abov
Last Answer : Coaxial; twisted-pair
Description : ______ cable is used for voice and data communications. A) Coaxial B) Fiber-optic C) Twisted-pair D) none of the above
Last Answer : Twisted-pair
Description : What is the major factor that makes coaxial cable less susceptible to noisethan twisted-pair cable? A) inner conductor B) diameterof cable C) outer conductor D) insulating material
Last Answer : outer conductor
Description : Which of the following is nota guided medium? A) twisted-pair cable B) coaxial cable C) fiber-optic cable D) atmosphere
Last Answer : atmosphere
Description : ______ cable consists of an inner copper core and asecond conductingouter sheath. A) Twisted-pair B) Coaxial C) Fiber-optic D) Shielded twisted-pair
Last Answer : Coaxial
Description : The slowest transmissionspeeds are those of A. twisted-pair wire B. coaxial cable C. fiber-optic cable D. microwaves
Last Answer : twisted-pair wire
Description : was the first step in the evolution of Ethernet from a coaxial cable bus to hub managed, twisted pair network. a. Star LAN b. Ring LAN c. Mesh LAN d. All of the above
Last Answer : a. Star LAN
Description : Which transmission media provides the highest transmission speed in a network? a. coaxial cable b. twisted pair cable c. optical fiber d. electrical cable
Last Answer : c. optical fiber
Description : Identify the non suitable medium for 802.3 ethernet? a. A thin coaxial cable b. A twisted pair cable c. A microwave link d. A fiber optical cable
Last Answer : c. A microwave link
Description : Which of the following cannot be used as a medium for 802.3 ethernet? a) A thin coaxial cable b) A twisted pair cable c) A microwave link d) A fiber optical cable
Last Answer : c) A microwave link
Description : What kind of transmission medium is most appropriate to carry data in a computer network that is exposed to electrical interferences? a) Unshielded twisted pair b) Optical fiber c) Coaxial cable d) Microwave
Last Answer : b) Optical fiber
Description : Which transmission media provides the highest transmission speed in a network? a) coaxial cable b) twisted pair cable c) optical fiber d) electrical cable
Last Answer : c) optical fiber
Description : Consists of 2 conductors twisted round each other. a. Twisted pair cable b. Fiber optic cable c. Coaxial cable d. Microwave
Last Answer : a. Twisted pair cable
Description : Which of the following is not a guided medium? a. twisted-pair cable b. fiber-optic cable c. coaxial cable d. atmosphere
Last Answer : d. atmosphere
Description : ……….cable is used for voice and data communications. a. Twisted-pair b. None of These c. Coaxial d. Fiber-optic
Last Answer : a. Twisted-pair
Description : ....... was the first step in the evolution of Ethernet from a coaxial cable bus to hub managed, twisted pair network. A) Star LAN B) Ring LAN C) Mesh LAN D) All of the above
Last Answer : A) Star LAN
Description : 8............. was the first step in the evolution of Ethernet from a coaxial cable bus to hubmanaged, twisted pair network. A) Star LAN B) Ring LAN C) Mesh LAN D) All of the above
Description : 802.3 is the standard for 10BASE5 Ethernet that uses ___________ cable as shared medium. A. Twisted pair cable B. Coaxial cable C. Fiber optic cable D. None of the above
Last Answer : B. Coaxial cable
Description : Which one of the following media is multidrop? (A) Shielded Twisted pair cable (B) Unshielded Twisted pair cable (C) Thick Coaxial cable (D) Fiber Optic cable
Last Answer : (C) Thick Coaxial cable
Description : In a fast Ethernet cabling, 100 Base-TX uses ........... cable and maximum segment size is ............ (A) twisted pair, 100 metres (B) twisted pair, 200 metres (C) fibre optics, 1000 metres (D) fibre optics, 2000 metres
Last Answer : (A) twisted pair, 100 metres
Description : Identify the odd term amongst the following group : (1) Optical fibre (2) Twisted pair wire (3) Microwaves (4) Coaxial cable
Last Answer : Microwaves
Description : Give any two disadvantages of unshielded twisted pair cable.
Last Answer : Disadvantages of unshielded twisted pair cable. 1. Highly prone to crosstalk. 2. Unable to provide secured transmission of data.
Description : What type of communication media is the most widely usedcabling for data transfer today? A) Cat 5 B) Twisted pair C) Coaxial D) Optical fiber
Last Answer : Cat 5
Description : A large numbers of computers in a wide geographical area can be efficiently connected using (A) twisted pair lines (B) coaxial cables (C) Communication satellites (D) all of the above
Last Answer : (D) all of the above
Description : I have a Surge Protector (with Data Line protection: ethernet, telephone, coaxial cable) Plugged into a UNGROUNDED Outlet. Do is there a risk? It is Safe?
Last Answer : My understanding is that the surge protector helps keep your equipment safe. And the grounding helps keep you safe. The surge protector will trip a circuit so any power spikes won't damage your stuff that is ... least that is how my brother in law explained it to me. (he is a licensed electrician)
Description : The channel in the data communication model can be a. postal mail services b. telephone lines c. radio lines d. any of the above
Last Answer : any of the above
Description : What is the importance of communication channel? -Technology
Last Answer : Communication channel is responsible for carrying data in the form of signals from sender to receiver.
Description : Ram and Sita, two persons talking to one another. 1. What are the components of the network? 2. What is the communication channel? -Technology
Last Answer : 1. Components of network are as follows:(a) Sender(b) Communication channel(c) Receiver2. Communication channel is the channel in which two computers can communicate with each other by sending data or sharing information between them.
Description : What do you call a cable consisting of twisted pairs of conductors, each separately insulated? A. Microstrip line B. Strip line C. Quad D. Coaxial cable
Last Answer : C. Quad
Description : Asingle fiber can handle asmanyvoice channel as a. a pair of copper conductors b. a1500-pair cable c. a 500-pair cable d. a 1000-pair cable
Last Answer : b. a1500-pair cable
Description : Carefully read the following descriptions and identify what is being talked about. 1. It consists of two insulated wires twisted around each other, -Technology
Last Answer : 1. Twisted pair cable2. Crosstalk3. Radiowave4. Wired communication channel5. Resource sharing