Description : ______ uses two optical fibers and a short-wave laser source, A) 1000Base-SX B) 1000Base-LX C) 1000Base-T D) none of the above
Last Answer : 1000Base-LX
Description : _________ uses four twisted pairs. A) 1000Base-SX B) 1000Base-LX C) 1000Base-T D) none of the above
Last Answer : 1000Base-T
Description : 1000Base-SX, 1000Base-LX, and 1000Base-CX use _________ block coding and ________ line coding. A) 4B/5B; NRZ B) 8B/10B; NRZ C) 4B/5B; MLT-3 D) 8B/10B; NRZ
Last Answer : 8B/10B; NRZ
Description : IEEE 802.3ab defines Gigabit Ethernet transmission over unshielded twisted pair (UTP) category 5, 5e or 6 cabling known as .................... a. 1000 BASE-T b. 1000 BASE-SX c. 1000 BASE-LX d. 1000 BASE-CX
Last Answer : a. 1000 BASE-T
Description : IEEE 802.3ab defines Gigabit Ethernet transmission over unshielded twisted pair (UTP) category 5, 5e or 6 cabling known as .................... A) 1000 BASE-T B) 1000 BASE-SX C) 1000 BASE-LX D) 1000 BASE-CX
Last Answer : A) 1000 BASE-T
Description : _______uses four twisted-pair cables that connect eachstation toa commonhub. A) 10Base5 B) 10Base2 C) 10Base-T D) 10Base-F
Last Answer : 10Base-T
Description : 1000Base-T uses________line coding. A) 4D-PAM5 B) 8B6T C) MLT-3 D) Manchester
Last Answer : 4D-PAM5
Description : Which of the following are Gigabit Ethernets? A) 1000 BASE-SX B) 1000 BASE-LX C) 1000 BASE-CX D) All of above
Last Answer : D) All of above
Description : Which of the following are Gigabit Ethernets? A) 1000 BASE-SX B) 1000 BASE-LX C) 1000 BASE-CX D) All of the above
Last Answer : D) All of the above
Description : . A _____ DBMS distributesdata processing tasks between the workstation anda network server. A. Network B. Relational C. Client Server D. Hierarchical E. None of the above
Last Answer : Client Server
Description : Which type of optical splitter (Y-coupler or T-coupler) splits only a small amount of power from the input fiber to one of the output fibers?
Last Answer : T-coupler
Description : List the types of materials used in fabricating low-loss, long wavelength optical fibers.
Last Answer : Heavy-metal fluorides, chalcogenide glasses, and crystalline materials.
Description : The ______ layer is responsible for the movementof a signal from its optical source to its optical destination. A) section B) line C) path D) photonic
Last Answer : line
Description : Is the T-Mobile SideKick LX Cyber Cell Phone Case waterproof?
Last Answer : T-Mobile SideKick LX Cyber Cell Phone Case is water resistant not water proof.
Description : Which type of fiber optic connector (butt-jointed or expanded beam) brings the prepared ends of two optical fibers into close contact?
Last Answer : Butt-jointed connectors.
Description : What are the two basic types of optical fibers?
Last Answer : Multimode and single mode fibers.
Description : Optical fibers are the fine strands of _____. A. Glass B. Iron C. Calcium D. Mercury
Last Answer : ANSWER: A
Description : Optical Fiber Optical fibers are the fine strands of _____. A. Glass B. Iron C. Calcium D. Mercury
Description : What is the basic fiber cleaving technique for preparing optical fibers for coupling?
Last Answer : Score-and-break.
Description : Which semiconductor sources (LD or LED) emit more focused light and are capable of launching sufficient optical power into both single mode and multimode fibers?
Last Answer : LDs.
Description : List the three techniques used by manufacturers to buffer optical fibers.
Last Answer : Tight-buffered, loose-tube, and gel-filled loose-tube.
Description : List three benefits that properly cabled optical fibers provide.
Last Answer : a. Protect optical fibers from damage or breakage during installation and over the fiber's lifetime. b. Provide stable fiber transmission characteristics compared with uncabled fibers. c. Maintain the physical integrity of the optical fiber.
Description : Multimode optical fibers can have a step-index or graded index refractive index profile. Which fiber, multimode step-index or multimode graded-index fiber, usually performs better?
Last Answer : Multimode graded-index fiber
Description : A mode filter is a device that attenuates specific modes propagating in the core of an optical fiber. What mode propagating along single mode fibers do mode filters eliminate?
Last Answer : Second-order mode.
Description : Will an optical fiber's attenuation coefficient vary with changes in wavelength?
Last Answer : Yes.
Description : Optical fibers or cables should never be bent at a radius of curvature smaller than a certain value. Identify this radius of curvature
Last Answer : Minimum bend radius.
Description : How can loss be reduced during construction (or fabrication) of optical fibers?
Last Answer : By removing the impurities from optical fiber.
Description : Optical fibers for telecommunications are typically about _____ mils thick and consists of a glass core, a glass cladding of lower index of refraction, and a protective coating ∙ a. 5 ∙ b. 6 ∙ c. 7 ∙ d. 8
Last Answer : ∙ a. 5
Description : The ultrapure glass used to manufacture optical fibers is approximately ___pure ∙ a. 99.9 % ∙ b. 99.99 % ∙ c. 99.999 % ∙ d. 99.9999 %
Last Answer : d. 99.9999 %
Description : Unlike coax and twisted pair, optical fibers are immune to a. High-frequency transmission b. Signal attenuation c. Power loss d. Electromagnetic interference
Last Answer : Unlike coax and twisted pair, optical fibers are immune to Electromagnetic interference
Description : Light travels along optical fibers by
Last Answer : Light travels along optical fibers by Total internal reflection
Description : Berapa penghasilan anda dari internet per bulannya?
Last Answer : Ane juga mau top up to date A Bullet di dunia sudah hancur dan orang yang tidak meminjam uang kepada orang lain bernama lengkap
Description : NECESITO RASTREAR DONDE ANDA EL NUMERO TELEFONICO (323)3929383?
Last Answer : NECESITO RASTREAR EL NUMERO (323)3929383 EN QUE PARTE DE LOS ANGELES ANDA
Description : What is the hybrid you obtain when a cross takes place between female donkey anda male horse?
Last Answer : Hinny
Description : Long and short spans of a two way slab are ly and lx and load on the slab acting on strips parallel to lx and ly be wx and wy respectively. According to Rankine Grashoff theory (A) (wx /wy ) = (ly /lx ) (B) (wx/wy) = (ly/lx)² (C) (wx /wy ) = (ly /lx )4 (D) None of these
Last Answer : Answer: Option C
Description : A _______is the optical link connecting two neighbor devices. A) section B) line C) path D) none of the above
Description : This natural fiber obtained from the stems of a plant of the nettle family has found popularity in modern fibers with a high wet strength, absorbent but dries quickly, it can be spun or woven, has a high rot ... a source of heat or power? w) Plutonium-238 x) Strontium-90 y) Cesium-137 z) Uranium-235
Last Answer : ANSWER: W -- PLUTONIUM-238
Description : Can i still get polaroid SX-70 film any where even though it's discontinued?
Last Answer : one word: ebay
Description : The polygons are scaled by applying the following transformation. a.X’=x * Sx + Xf(1-Sx) & Y’=y * Sy + Yf(1-Sy) b.X’=x * Sx + Xf(1+Sx) & Y’=y * Sy + Yf(1+Sy c.X’=x * Sx + Xf(1-Sx) & Y’=y * Sy – Yf(1-Sy) d.X’=x * Sx * Xf(1-Sx) & Y’=y * Sy * Yf(1-Sy)
Last Answer : a.X’=x * Sx + Xf(1-Sx) & Y’=y * Sy + Yf(1-Sy)
Description : If the value of Sx=1 and Sy=1 then a.Reduce the size of object b.Distort the picture c.Produce an enlargement d.No change in the size of an object
Last Answer : d.No change in the size of an object
Description : If the scaling factors values Sx and Sy < 1 then a.It reduces the size of object b.It increases the size of object c.It stunts the shape of an object d.None
Last Answer : a.It reduces the size of object
Description : If the scaling factors values Sx and Sy are assigned to unequal values then a.Uniform rotation is produced b.Uniform scaling is produced c.Differential scaling is produced d.Scaling cannot be done
Last Answer : c.Differential scaling is produced
Description : If the scaling factors values sx and sy are assigned to the same value then……… a.Uniform rotation is produced b.Uniform scaling is produced c.Scaling cannot be done d.Scaling can be done or cannot be done
Last Answer : b.Uniform scaling is produced
Description : The individual demand and supply curve of a product are Dx = 12-2px, Sx=3+5px, where Px stand for price and Dx and Sc respectively stands for quantity demanded and quantity supplie(d) If there are 5000 consumers and 1000 suppliers ... be the equilibrium price (a) `4 ; (b) `5 ; (c) `3 ; (d) `4.5
Last Answer : ; (c) `3 ;
Description : The Supply function of a product x is as Sx = 5px + 3. Where Px stand for price. The quantity supplied corresponding to price of `2 will be …………… (a) 18 ; (b) 13 ; (c) 15 ; (d) 23
Last Answer : (b) 13 ;
Description : Which is considered a direct entry input device? a. Optical scanner b. Mouse and digitizer c. Light pen d. All of the above
Last Answer : All of the above
Description : Which of the following is not an input device? a. OCR b. Optical scanners c. Voice recognition device d. COM (Computer Output to Microfilm)
Last Answer : COM (Computer Output to Microfilm)