A commonly used fiber-based system for LANs is:
a. FDDI b. high-speed Ethernet c. gigabit Ethernet d. all of the above

1 Answer

Answer :

d. all of the above

Related questions

Description : Using fiber-optic cable in a telephone system except for the connection to the subscriber’s phone is called: a. FDDI b. FTTC c. FITL d. SONET

Last Answer : b. FTTC

Description : FDDI stands for Fiber ____________________ Data Interface.

Last Answer : Distributed

Description : FDDI stands for: a. Fiber Digital Data Interface b. Fiber Distributed Data Interface c. Fiber Distribution Delay Interface d. Frequency-Division Data Interface

Last Answer : b. Fiber Distributed Data Interface

Description : The data rate of an FDDI system is ____________________ bps.

Last Answer : 100 M

Description : Each ____________________ in an FDDI system acts as a regenerative repeater.

Last Answer : node

Description : The two rings of an FDDI system carry data in ____________________ directions.

Last Answer : opposite

Description : FDDI uses ____________________ mode cables.

Last Answer : multi

Description : FDDI systems use two ____________________ rings to carry signals.

Last Answer : token

Description : ………………….. is a collective term for a number of Ethernet Standards that carry traffic at the nominal rate of 1000 Mbit/s against the original Ethernet speed of 10 Mbit/s. A) Ethernet B) Fast Ethernet C) Gigabit Ethernet D) All of the above

Last Answer : B) Fast Ethernet

Description : ............ is a collective term for a number of Ethernet Standards that carry traffic at the nominal rate of 1000 Mbits/s against the original Ethernet speed of 10 Mbit/s. A) Ethernet B) Fast Ethernet C) Gigabit Ethernet D) All of the above

Last Answer : B) Fast Ethernet

Description : is a collective term for a number of Ethernet Standards that carry traffic at the nominal rate of 1000 Mbits/s against the original Ethernet speed of 10 Mbit/s. A) Ethernet B) Fast Ethernet C) Gigabit Ethernet D) All of the above

Last Answer : B) Fast Ethernet

Description : The three essential types of fiber commonly used today except: ∙ A. Plastic core and cladding ∙ B. Plastic core and glass cladding ∙ C. Glass core and glass cladding (SCS) ∙ D. Glass core and plastic cladding (PCS)

Last Answer : B. Plastic core and glass cladding

Description : Which light emitter is preferred for high-speed data in a fiber-optic system? ∙ A. incandescent ∙ B. LED ∙ C. neon ∙ D. laser

Last Answer : D. laser

Description : Which light emitter is preferred for high speed data in a fiber-optic system ∙ a. Incandescent ∙ b. LED ∙ c. Neon ∙ d. Laser

Last Answer : ∙ d. Laser

Description : Which type of fiber optic cable is best for very high speed data? ∙ A. single-mode step-index ∙ B. multimode step-index ∙ C. single-mode graded-index ∙ D. multimode graded-index

Last Answer : A. single-mode step-index

Description : Which type of fiber-optic cable is the best for very high speed data? ∙ a. Single-mode step-index ∙ b. Multimode step-index ∙ c. Single-mode graded-index ∙ d. Multimode graded-index

Last Answer : a. Single-mode step-index

Description : The operation of a fiber-optic cable is based on the principle of ∙ A. refraction ∙ B. reflection ∙ C. dispersion ∙ D. absorption

Last Answer : A. refraction

Description : The operation of the fiber-optic cable is based on the principle of ∙ a. Refraction ∙ b. Reflection ∙ c. Dispersion ∙ d. Absorption

Last Answer : ∙ b. Reflection

Description : Gigabit Ethernet access methods include _______ mode. A) half-duplex B) full-duplex C) both (a) and (b) D) neither (a) nor (b)

Last Answer : both (a) and (b)

Description : Gigabit Ethernet has a datarate of________Mbps. A) 10 B) 100 C) 1000 D) 10,000

Last Answer : 1000

Description : In _________, autonegotiation allows two devices to negotiate the mode or datarate of operation. A) Standard B) Fast Ethernet C) Gigabit Ethernet D) Ten-Gigabit Ethernet

Last Answer : Fast Ethernet

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 : Differentiate fast Ethernet and gigabit Ethernet.

Last Answer : 00-Mbps version called Fast Ethernet. 1000-Mbps version called Gigabit Ethernet. Both 100-Mbps and 1000-Mbps Ethernets are designed to be used in full-duplex, point-to-point configurations, which mean that they are typically used in switched networks.

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 : Match the following IEEE No to their corresponding Name for IEEE 802 standards for LANs. i) 802.3 a) WiFi ii) 802.11 b) WiMa iii) 802.15.1 c) Ethernet iv) 802.16 d) Bluetooth a. i-b, ii-c, iii-d, iv-a b. i-c, ii-d, iii-a, iv-b c. i-c, ii-a, iii-d, iv-b d. i-b, ii-d, iii-c, iv-a

Last Answer : c. i-c, ii-a, iii-d, iv-b

Description : Match the following IEEE No to their corresponding Name for IEEE 802 standards for LANs. i) 802.3 a) WiFi ii) 802.11 b) WiMa iii) 802.15.1 c) Ethernet iv) 802.16 d) Bluetooth A) i-b, ii-c, iii-d, iv-a B) i-c, ii-d, iii-a, iv-b C) i-c, ii-a, iii-d, iv-b D) i-b, ii-d, iii-c, iv-a

Last Answer : C) i-c, ii-a, iii-d, iv-b

Description : Which of the following is type of LAN? (A) Ethernet (B) Token Ring (C) FDDI (D) All of the above 

Last Answer : (D) All of the above 

Description : What phenomenon will result if the glass fiber is exposed to long periods of high humidity? ∙ A. stress fatigue ∙ B. core corrosion ∙ C. stress corrosion ∙ D. cladding corrosion

Last Answer : stress corrosion

Description : Why are visible-light LEDs not used for fiber optics? ∙ a. It has high losses ∙ b. It has short wave ∙ c. It has low attenuation ∙ d. It has weak signal

Last Answer : ∙ a. It has high losses

Description : In fiber optics, higher-order mode refers to ∙ a. Cladding boundary at high angle ∙ b. Backscattering electromagnetic signals ∙ c. Diffracting signals ∙ d. All of these

Last Answer : ∙ a. Cladding boundary at high angle

Description : Calculate the total rise time for a fiber-optic system if the transmitter, receiver, and cable each have a rise time of 50 nanoseconds.

Last Answer : 86.6 nanoseconds

Description : . The product of the bit rate and distance of a fiber-optic system is 2 Gbits-km/s. What is the maximum rate at 5 km? ∙ A. 100 Mbits/s ∙ B. 200 Mbits/s ∙ C. 400 Mbits/s ∙ D. 1000 Gbits/s

Last Answer : C. 400 Mbits/s

Description : . Which fiber-optic system is better? ∙ A. 3 repeaters ∙ B. 8 repeaters ∙ C. 11 repeaters ∙ D. 20 repeaters

Last Answer : A. 3 repeaters

Description : SONET stands for ∙ a. System Optical Network ∙ b. Synchronous Optical Network ∙ c. Silica Optic Network ∙ d. System Optical Fiber Net

Last Answer : ∙ b. Synchronous Optical Network

Description : In fiber optics, PCS stands for ∙ a. Plastic-clad-silica ∙ b. Polyethylene-clad-silica ∙ c. Personal carrier system ∙ d. Personal communication

Last Answer : ∙ a. Plastic-clad-silica

Description : Which fiber-optic system is better? ∙ a. 3 repeaters ∙ b. 8 repeaters ∙ c. 11 repeaters ∙ d. 20 repeaters

Last Answer : a. 3 repeaters

Description : The product of the bit rate and distance of a fiber-optic system is 2 Gbits km/s. What is the maximum rate at 5 km? ∙ a. 100 Mbits/s ∙ b. 200 Mbits/s ∙ c. 400 Mbits/s ∙ d. 1000 Gbits/s

Last Answer : c. 400 Mbits/s

Description : Define fiber optics.

Last Answer : Fiber optics is the branch of optical technology concerned with the transmission of radiant power (light energy) through fibers.

Description : FITL stands for Fiber In The ____________________.

Last Answer : Loop

Description : FTTC stands for Fiber To The ____________________.

Last Answer : Curb

Description : For safety, you should never ____________________ at the end of an optical fiber unless you know it is not connected to a light source.

Last Answer : look

Description : Good connections are more critical with ____________________-mode fiber.

Last Answer : single

Description : A ____________________ is a short length of fiber that carries the light away from the source

Last Answer : pigtail

Description : The optical fiber is not free to move around in a ____________________ cable.

Last Answer : tight-buffer

Description : In multimode fiber, ____________________ index has less dispersion than step index.

Last Answer : graded

Description : With optical fiber, ____________________ light is more common than visible light.

Last Answer : infrared

Description : Optical fiber relies on total ____________________ reflection.

Last Answer : internal