In ATM, the _____ layer defines thetransmission medium,bit transmission,encoding, and electrical-to-optical transformation. A) physical B) ATM layer C) AAL D) none of the above

In ATM, the _____ layer defines thetransmission medium,bit transmission,encoding, and electrical-to-optical transformation.
A)
physical
B)
ATM layer
C)
AAL
D)
none of the above
by

1 Answer

Answer :

physical
by

Related questions

In ATM, the _______layeraccepts transmissions from upper-layer servicesand maps them into ATM cells. A) physical B) ATM C) AAL D) none of the above

Description : In ATM, the _______layeraccepts transmissions from upper-layer servicesand maps them into ATM cells. A) physical B) ATM C) AAL D) none of the above

Last Answer : AAL

In ATM, the ______ layerprovides routing, traffic management, switching, and multiplexing services. A) physical B) ATM C) AAL D) none of the above

Description : In ATM, the ______ layerprovides routing, traffic management, switching, and multiplexing services. A) physical B) ATM C) AAL D) none of the above

Last Answer : ATM

The physical layer provides __________a. mechanical specifications of electrical connectors and cables b. electrical specification of transmission line signal level c. specification for IR over optical fiber d. all of the mentioned

Description : The physical layer provides __________ a. mechanical specifications of electrical connectors and cables b. electrical specification of transmission line signal level c. specification for IR over optical fiber d. all of the mentioned

Last Answer : d. all of the mentioned

The physical layer provides __________ A. mechanical specifications of electrical connectors and cables B. electrical specification of transmission line signal levelC. specification for IR over optical fiber D. all of the mentioned

Description : The physical layer provides __________ A. mechanical specifications of electrical connectors and cables B. electrical specification of transmission line signal level C. specification for IR over optical fiber D. all of the mentioned

Last Answer : D. all of the mentioned

What specifications does physical layer provides __________. A. mechanical specifications of electrical connectors and cablesB. electrical specification of transmission line signal level C. specification for IR over optical fiber D. all of the mentioned

Description : What specifications does physical layer provides __________. A. mechanical specifications of electrical connectors and cables B. electrical specification of transmission line signal level C. specification for IR over optical fiber D. all of the mentioned

Last Answer : D. all of the mentioned

The physical layer provides __________ a) mechanical specifications of electrical connectors and cables b) electrical specification of transmission line signal level c) specification for IR over optical fiber d) all of the mentioned

Description : The physical layer provides __________ a) mechanical specifications of electrical connectors and cables b) electrical specification of transmission line signal level c) specification for IR over optical fiber d) all of the mentioned

Last Answer : d) all of the mentioned

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

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

_____ encoding has a transition at the beginning of each 0 bit. A) RZ B) Manchester C) Differential Manchester D) All the above

Description : _____ encoding has a transition at the beginning of each 0 bit. A) RZ B) Manchester C) Differential Manchester D) All the above

Last Answer : Differential Manchester

_____ encoding has a transition at the middle of each bit. A) RZ B) Manchester C) Differential Manchester D) All the above

Description : _____ encoding has a transition at the middle of each bit. A) RZ B) Manchester C) Differential Manchester D) All the above

Last Answer : All the above

The layer that transmits data in the form of bit streams using electrical and mechanicalsystems is in the OSI model. a. Physical layer b. Transport Layer c. Network Layer d. Data Link Layer

Description : The layer that transmits data in the form of bit streams using electrical and mechanicalsystems is in the OSI model. a. Physical layer b. Transport Layer c. Network Layer d. Data Link Layer

Last Answer : a. Physical layer

In TDM, the transmissionrate of the multiplexed path isusually_______ thesum of thetransmission rates of thesignal sources. A) greater than B) less than C) equal to D) not related to

Description : In TDM, the transmissionrate of the multiplexed path isusually_______ thesum of thetransmission rates of thesignal sources. A) greater than B) less than C) equal to D) not related to

Last Answer : greater than

What is the main function of Session layer in OSI model? a. Defines how data is formatted between the devices b. Made physical connection between server and client c. Both a and b d. None of the above

Description : What is the main function of Session layer in OSI model? a. Defines how data is formatted between the devices b. Made physical connection between server and client c. Both a and b d. None of the above

Last Answer : a. Defines how data is formatted between the devices

Which transmission media provides the highest transmission speed in a network? a. coaxial cable b. twisted pair cable c. optical fiber d. electrical cable

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

Which transmission media provides the highest transmission speed in a network? a) coaxial cable b) twisted pair cable c) optical fiber d) electrical cable

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

In Manchester anddifferential Manchester encoding, the transition at the middle of the bit is usedfor __________. A) bit transfer B) baud transfer C) synchronization D) none of the above

Description : In Manchester anddifferential Manchester encoding, the transition at the middle of the bit is usedfor __________. A) bit transfer B) baud transfer C) synchronization D) none of the above

Last Answer : synchronization

In Ethernet when Manchester encoding is used, the bit rate is: a. Half the baud rate. b. Twice the baud rate. c. Same as the baud rate. d. None of the above

Description : In Ethernet when Manchester encoding is used, the bit rate is: a. Half the baud rate. b. Twice the baud rate. c. Same as the baud rate. d. None of the above

Last Answer : a. Half the baud rate.

The sharing of a medium and its link by two or more devices is called _______. A) modulation B) encoding C) line discipline D) multiplexing

Description : The sharing of a medium and its link by two or more devices is called _______. A) modulation B) encoding C) line discipline D) multiplexing

Last Answer : multiplexing

The _____layer defines the electrical and physical specifications for devices: a) Data Link Layer b) Presentation Layer c) Physical Layer d) None of These

Description : The _____layer defines the electrical and physical specifications for devices: a) Data Link Layer b) Presentation Layer c) Physical Layer d) None of These

Last Answer : c) Physical Layer

The physical layer is concerned with ___________ a. bit-by-bit delivery b. process to process delivery c. application to application delivery d. port to port delivery

Description : The physical layer is concerned with ___________ a. bit-by-bit delivery b. process to process delivery c. application to application delivery d. port to port delivery

Last Answer : a. bit-by-bit delivery

The physical layer is concerned with ___________ A. bit-by-bit delivery B. process to process delivery C. application to application delivery D. port to port delivery

Description : The physical layer is concerned with ___________ A. bit-by-bit delivery B. process to process delivery C. application to application delivery D. port to port delivery

Last Answer : A. bit-by-bit delivery

The physical layer is concerned with ___________ a) bit-by-bit delivery p) process to process delivery c) application to application deliveryd) port to port delivery

Description : The physical layer is concerned with ___________ a) bit-by-bit delivery p) process to process delivery c) application to application delivery d) port to port delivery

Last Answer : a) bit-by-bit delivery

In ATM,______ is for constant-bit-ratedata. A) AAL1 B) AAL2 C) AAL3/4 D) AAL5

Description : In ATM,______ is for constant-bit-ratedata. A) AAL1 B) AAL2 C) AAL3/4 D) AAL5

Last Answer : AAL1

The physical layer is concerned with the movement of _______ over the physical medium. A. programs B. dialogs C. protocols D. Bits

Description : The physical layer is concerned with the movement of _______ over the physical medium. A. programs B. dialogs C. protocols D. Bits

Last Answer : D. Bits

The ________ rate defines thenumber of dataelements sent in1s; the______ rate is the numberof signalelements sent in 1s. A) data; signal B) signal; data C) baud; bit D) none of the above

Description : The ________ rate defines thenumber of dataelements sent in1s; the______ rate is the numberof signalelements sent in 1s. A) data; signal B) signal; data C) baud; bit D) none of the above

Last Answer : data; signal

For a ______ channel, the Nyquist bit rate formula defines thetheoretical maximum bit rate. A) noisy B) noiseless C) bandpass D) low-pass

Description : For a ______ channel, the Nyquist bit rate formula defines thetheoretical maximum bit rate. A) noisy B) noiseless C) bandpass D) low-pass

Last Answer : noiseless

Transmission media lie below the_______ layer. A) physical B) network C) transport D) application

Description : Transmission media lie below the_______ layer. A) physical B) network C) transport D) application

Last Answer : physical

The _______ layer ensures reliable transmission on a single link A. network B. physical C. data link D. transport

Description : The _______ layer ensures reliable transmission on a single link A. network B. physical C. data link D. transport

Last Answer : C. data link

The data link layer takes the packets from _________ and encapsulates them into frames for transmission. a) network layer b) physical layer c) transport layer d) application layer

Description : The data link layer takes the packets from _________ and encapsulates them into frames for transmission. a) network layer b) physical layer c) transport layer d) application layer

Last Answer : a) network layer

Rate of change of a signal on a transmission medium after encoding and modulation have occurred

Description : Rate of change of a signal on a transmission medium after encoding and modulation have occurred

Last Answer : baud rate

A(n) _____ medium provides a physical conduit from one device to another. A) guided B) unguided C) either (a)or (b) D) none of the above

Description : A(n) _____ medium provides a physical conduit from one device to another. A) guided B) unguided C) either (a)or (b) D) none of the above

Last Answer : guided

Choose the Protocols working in the Data Link Control Layer of OSI model below. a. ATM (Asynchronous Transfer Mode), Frame Relay b. HDLC (High Level Data Link Control), SDLC (Synchronous Data Link Control)c. ARP (Address Resolution Protocol), IEEE802.3 d. All the above

Description : Choose the Protocols working in the Data Link Control Layer of OSI model below. a. ATM (Asynchronous Transfer Mode), Frame Relay b. HDLC (High Level Data Link Control), SDLC (Synchronous Data Link Control) c. ARP (Address Resolution Protocol), IEEE802.3 d. All the above

Last Answer : d. All the above

IEEE 802.3ab defines Gigabit Ethernet transmission over unshieldedtwisted 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

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

Application layer protocol defines ____ a.types of messages exchanged b.message format, syntax and semantics c.rules for when and how processes send and respond to messages d.all of the mentioned

Description : Application layer protocol defines ____ a.types of messages exchanged b.message format, syntax and semantics c.rules for when and how processes send and respond to messages d.all of the mentioned

Last Answer : d.all of the mentioned

The _______ layer ensures interoperability between communicating devices through transformation of data into a mutually agreed upon format. a. network b. presentation c. transport d. data link

Description : The _______ layer ensures interoperability between communicating devices through transformation of data into a mutually agreed upon format. a. network b. presentation c. transport d. data link

Last Answer : b. presentation

The physical layer is responsible for _____ a) line coding b) channel coding c) modulation d) all of the mentioned

Description : The physical layer is responsible for _____ a) line coding b) channel coding c) modulation d) all of the mentioned

Last Answer : d) all of the mentioned

In ATM,_____ is for conventionalpacket switching(virtual-circuit approachor datagram approach). A) AAL1 B) AAL2 C) AAL3/4 D) AAL5

Description : In ATM,_____ is for conventionalpacket switching(virtual-circuit approachor datagram approach). A) AAL1 B) AAL2 C) AAL3/4 D) AAL5

Last Answer : AAL3/4

In Frame Relay, the EA field defines thenumber of bytes; it is _____ in the last byte of the address. A) 0 B) 1 C) 2 D) 3

Description : In Frame Relay, the EA field defines thenumber of bytes; it is _____ in the last byte of the address. A) 0 B) 1 C) 2 D) 3

Last Answer : 1

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

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

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

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

Hard disk is coated in both side above a. Magnetic metallic oxide b. Optical metallic oxide c. Carbon layer d. All of the above

Description : Hard disk is coated in both side above a. Magnetic metallic oxide b. Optical metallic oxide c. Carbon layer d. All of the above

Last Answer : Magnetic metallic oxide

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

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

_____ isan analog multiplexing technique to combine optical signals. A) FDM B) TDM C) WDM D) None of the above

Description : _____ isan analog multiplexing technique to combine optical signals. A) FDM B) TDM C) WDM D) None of the above

Last Answer : WDM

In______ transmission, wesend1 start bit (0) at thebeginningand 1 or more stop bits (1s) at the end of each byte. A) synchronous B) asynchronous C) isochronous D) none of the above

Description : In______ transmission, wesend1 start bit (0) at thebeginningand 1 or more stop bits (1s) at the end of each byte. A) synchronous B) asynchronous C) isochronous D) none of the above

Last Answer : asynchronous

the maximum window size for data transmission using the selective reject protocol with n-bit frame sequence numbers is: a. 2^n b. 2^(n-1) c. 2^n – 1 d. 2^(n-2)

Description : the maximum window size for data transmission using the selective reject protocol with n-bit frame sequence numbers is: a. 2^n b. 2^(n-1) c. 2^n – 1 d. 2^(n-2)

Last Answer : b. 2^(n-1)

How many 8-bit characters can be transmitted per second over a 9600 baud serial communication link using asynchronous mode of transmission with one start bit, eight data bits, two stop bits, and one parity bit ? a. 600 b. 800 c. 876 d. 1200

Description : How many 8-bit characters can be transmitted per second over a 9600 baud serial communication link using asynchronous mode of transmission with one start bit, eight data bits, two stop bits, and one parity bit ? a. 600 b. 800 c. 876 d. 1200

Last Answer : b. 800

In a token ring network the transmission speed is 10^7 bps and the propagation speed is 200 metres/micro second. The 1- bit delay in this network is equivalent to: a. 500 metres of cable. b. 200 metres of cable. c. 20 metres of cable. d. 50 metres of cable

Description : In a token ring network the transmission speed is 10^7 bps and the propagation speed is 200 metres/micro second. The 1- bit delay in this network is equivalent to: a. 500 metres of cable. b. 200 metres of cable. c. 20 metres of cable. d. 50 metres of cable

Last Answer : c. 20 metres of cable.

Standard Ethernet (10-Mbps) uses_______ encoding A) NRZ B) AMI C) Manchester D) differential Manchester

Description : Standard Ethernet (10-Mbps) uses_______ encoding A) NRZ B) AMI C) Manchester D) differential Manchester

Last Answer : Manchester

Which encoding method uses alternating positive and negative values for1s? A) NRZ-I B) RZ C) Manchester D) AMI

Description : Which encoding method uses alternating positive and negative values for1s? A) NRZ-I B) RZ C) Manchester D) AMI

Last Answer : AMI

Which of the following encoding methods does not provide for synchronizationA)NRZ-LB)RZC)NRZ-ID)Manchester?

Description : Which of the following encoding methods does not provide for synchronization? A) NRZ-L B) RZ C) NRZ-I D) Manchester

Last Answer : NRZ-L

Unipolar, bipolar, and polar encoding are typesof _______ encoding. A) line B) block C) NRZ D) Manchester

Description : Unipolar, bipolar, and polar encoding are typesof _______ encoding. A) line B) block C) NRZ D) Manchester

Last Answer : line