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Twisted Pair双绞线
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考题
● (71) In the strength of the carrier signal is varied to represent binary 1 or 0．(72) is a system that can map a name to an address and conversely an address to an name．(73) is a three-way handshaking authentication protocol that it's packets are encapsulated in the point-to-point protocol(74) is an approach that enables an ATM Switch to behave like a LAN switch．(75) is an guided media which is made of glass or plastic and transmits signals in the form. of light．(71) A．ASKB．PSKC．FSKD．FDM(72) A．NATB．NCPC．DDND．DNS(73) A．PPPB．PAPC．CHAPD．LCP(74) A．VLANB．LANEC．VPND．IPOA(75) A．Coaxial cableB．Optical fiberC．Unshielded Twisted-pair CableD．Shielded Twisted-pair Cable
考题
In a data communication system, which transport media can be described as following: Has two classes: single mode and multiple mode; with higher transmit rate; with the best reliabilityA．radio channelB．fiber optic cableC．twisted-pair cableD．coaxial cable
考题
● 10BaseT is an Ethernet LAN term meaning a maximum transfer rate of 10Mbps that uses baseband signaling and twisted pair cabling. A 10BaseT Ethernet LAN has a （71） topology.（71）A．starB．ringC．busD．none of the above
考题
Which two factors affect the speed of your DSL connection?()
A.line qualityB.distance from the COC.brand of xDSL modemD.number of twisted-pair wires used
考题
Which of the following represents a wiring standard for twisted pair cables?()
A.FiberB.T568AC.IEEE1394D.CAT5
考题
Which of the following cable types is intended to be used on short distances and is immune to anytype of interference?()
A. Singlemode fiberB. Multimode fiberC. Shielded twisted pairD. Unshielded twisted pair
考题
Which of the following describes what the number two represents in l00Base2 cabling?()
A. FiberB. Coaxial cableC. UTPD. Twisted pair
考题
100BASE-TX makes use of two pairs of twisted pair cable, one pair used for transmission and the other for(69).A．receptionB．detectionC．relationD．connection
考题
Which type of cable is used to connect the COM port of a host to the COM port of a router or switch?()
A. crossoverB. straight-throughC. rolledD. shielded twisted-pair
考题
A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port（）。A、This is a 10 Mb/s switch portB、This is a 100 Mb/s switch portC、This is an Ethernet port operating at half duplexD、This is an Ethernet port operating at full duplexE、This is a port on a network interface card in a PC
考题
A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?（）A、This is a 10 Mb/s switch port.B、This is a 100 Mb/s switch port.C、This is an Ethernet port operating at half duplex.D、This is an Ethernet port operating at full duplex.E、This is a port on a network interface card in a PC
考题
Which of the following connectors is commonly used on a shielded twisted pair cable?（）A、BNCB、RJ-45C、FD、HDMI
考题
Which of the following connector types is used with twisted pair cable?（）A、T-ConnectorB、BNCC、RJ-45D、LC
考题
Which of the following cable types is intended to be used on short distances and is immune to anytype of interference?（）A、Singlemode fiberB、Multimode fiberC、Shielded twisted pairD、Unshielded twisted pair
考题
Which type of cable is used to connect the COM port of a host to the COM port of a router or switch?（）A、crossoverB、straight-throughC、rolledD、shielded twisted-pair
考题
Which of the following represents a wiring standard for twisted pair cables?（）A、FiberB、T568AC、IEEE1394D、CAT5
考题
Which of the following BEST describes CAT5e？（）A、Contains four pair of wires of various gaugeB、Contains two wires in a red fireproof jacketC、Contains four twisted pairs of wiresD、Contains eight wires within a thick jacket with a rip cord
考题
Which of the following describes what the number two represents in l00Base2 cabling?（）A、FiberB、Coaxial cableC、UTPD、Twisted pair
考题
Which two factors affect the speed of your DSL connection?（）A、line qualityB、distance from the COC、brand of xDSL modemD、number of twisted-pair wires used
考题
单选题During the manufacture of line，yarns are twisted together in the（）.A
opposite direction from which the fibers are twisted together to form strandsB
same direction the fibers are twisted to form strandsC
opposite direction from which the fibers are twisted together to form the lineD
opposite direction from which the fibers are twisted together forming cables
考题
单选题Which of the following connector types is used with twisted pair cable?（）A
T-ConnectorB
BNCC
RJ-45D
LC
考题
单选题A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port（）。A
This is a 10 Mb/s switch portB
This is a 100 Mb/s switch portC
This is an Ethernet port operating at half duplexD
This is an Ethernet port operating at full duplexE
This is a port on a network interface card in a PC
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