(1) In the strength of the carrier signal is varied to represent binary 1 or 0.
(2) is a system that can map a name to an address and conversely an address to an name.
(3) is a three-way handshaking authentication protocol that it’s packets are encapsulated in the point-to-point protocol
(4) is an approach that enables an ATM Switch to behave like a LAN switch.
(5) is an guided media which is made of glass or plastic and transmits signals in the form of light.

A:Coaxial cable B:Optical fiber C:Unshielded Twisted-pair Cable D:Shielded Twisted-pair Cable

(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.

A:Coaxial cable B:Optical fiber C:Unshielded Twisted-pair Cable D:Shielded Twisted-pair Cable

In (66) the strength of the carder signal is varied to represent binary 1 or 0. (67) is a system that can map a name to an address and conversely an address to an name. (68) is a three-way handshaking authentication protocol that it’s packets are encapsulated in the point-to-point protocol. (69) is an approach that enables an ATM Switch to behave like a LAN switch. (70) is an guided media which is made of glass or plastic and transmits signals in the form of light.

A:Coaxial cable B:Optical fiber C:Unshielded Twisted-pair Cable D:Shielded Twisted-pair Cable

(74) isn't a type of transmission medium used for LANs.

A:Twisted pair B:Coaxial cable C:Satellite D:Optical fiber

In (66) the strength of the carrier signal is varied to represent binary 1 or 0. (67) is a system that can map a name to an address and conversely an address to al name. (68) is a three-way handshaking authentication protocol that it’s packets are encapsulated in the point-to-point protocol. (69) is an approach that enables an ATM switch to behave like a LAN switch. (70) is an guided media which is made of glass or plastic and transmits signals in the form of light.

A:Coaxial cable B:Optical fiber C:Unshielded Twisted-pair Cable D:Shielded Twisted-pair Cable

For each blank, choose the best answer from the four choices and write down on the answer sheet.
In (1) the strength of the carrier signal is varied to represent binary 1 or 0. (2) is a system that can map a name to an address and conversely an address to an name. (3) is a three -way handshaking authentication protocol that it’s packets are encapsulated in the point - to -point protocol. (4) is an approach that enables an ATM Switch to behave like a LAN switch. (5) is an guided media which is made of glass or plastic and transmits signals in the form of light.

A:Optical fiber B:Coaxial cable C:Shielded Twisted-pair Cable D:Unshielded Twisted-pair Cable

In a data communication system, the transport media with the widest frequency band and best reliability is the( ).

A:radio channel B:coaxial cable C:twisted--pair cable D:fiber optic cable

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 reliability

A:radio channel B:fiber optic cable C:twisted-pair cable D:coaxial cable