Data Communication Lowersixth Science Computer Science

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Test your knowledge on data transmission basics.

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Data Communication Lowersixth Science Computer Science


Data Communication Lowersixth Science Computer ScienceVersión en línea Test your knowledge on data transmission basics. por YAKILI LMS 1 Routers operate at the network layer (Layer 3). Yes No 2 The main purposes include resource sharing, control, and information sharing. Yes No 3 Latency and bandwidth are the same. Yes No 4 Bit rate is measured in seconds. Yes No 5 Data compression increases data size. Yes No 6 The OSI model is the same as the TCP/IP model in layer count. Yes No 7 Duplex mismatch improves network performance. Yes No 8 A MAC address is an IP address. Yes No 9 Bit rate is the same as latency. Yes No 10 Full duplex allows simultaneous two-way communication. Yes No 11 A channel is a medium that carries multiple signals simultaneously without multiplexing. Yes No 12 Error detection is not possible in data transmission. Yes No 13 Bandwidth and throughput are always equal. Yes No 14 Latency is the delay in delivering data from sender to receiver. Yes No 15 A circuit-switched network establishes a dedicated path for the duration of a communication. Yes No 16 Modulation is only used in wireless media. Yes No 17 In simple duplex, data can flow in both directions at the same time. Yes No 18 Data transmission uses a sender, a medium, and a receiver. Yes No 19 In a simplex system, the receiver does not send signals back to the sender. Yes No 20 Wireless signals do not experience attenuation. Yes No 21 The physical layer deals with software protocols. Yes No 22 Ethernet cables only use copper. Yes No 23 Packet switching breaks data into packets before transmission. Yes No 24 CRCs never used for error checking. Yes No 25 The data link layer is responsible for routing packets. Yes No 26 A bit is a unit of data at the application layer. Yes No 27 A hub reduces network collisions. Yes No 28 The OSI model has nine layers. Yes No 29 A router forwards frames only within the same LAN. Yes No 30 Wireless transmission uses radio waves as a transmission medium. Yes No 31 Half duplex allows transmission in both directions but not at the same time. Yes No 32 The speed of transmission is called bandwidth. Yes No 33 The payload is the control information in a packet. Yes No 34 Full duplex means one direction at a time. Yes No 35 The bandwidth measures the time delay of a link. Yes No 36 Half duplex allows simultaneous two-way transmission. Yes No 37 Switches operate primarily at the data link layer (Layer 2). Yes No 38 A network switch routes packets across networks. Yes No 39 Modulation is used to adapt signals for transmission over a medium. Yes No 40 Physical layer deals with how bits are electrical signals on a medium. Yes No 41 A modem converts digital data into analog signals only in reverse direction. Yes No 42 Simplex means data flows in one direction only. Yes No 43 The OSI model has seven layers. Yes No 44 Data communication networks enable sharing of resources over a medium. Yes No 45 Data transmission requires at least three layers of the OSI model. Yes No 46 A channel carries data between devices in a network. Yes No 47 Transmission media do not influence data speed. Yes No 48 Data transmission can be serial or parallel. Yes No 49 A channel can be shared among many users without any method. Yes No 50 Wireless networks cannot be affected by interference. Yes No

Data Communication Lowersixth Science Computer Science

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Data Communication Lowersixth Science Computer ScienceVersión en línea

por YAKILI LMS

Routers operate at the network layer (Layer 3).

The main purposes include resource sharing, control, and information sharing.

Latency and bandwidth are the same.

Bit rate is measured in seconds.

Data compression increases data size.

The OSI model is the same as the TCP/IP model in layer count.

Duplex mismatch improves network performance.

A MAC address is an IP address.

Bit rate is the same as latency.

Full duplex allows simultaneous two-way communication.

A channel is a medium that carries multiple signals simultaneously without multiplexing.

Error detection is not possible in data transmission.

Bandwidth and throughput are always equal.

Latency is the delay in delivering data from sender to receiver.

A circuit-switched network establishes a dedicated path for the duration of a communication.

Modulation is only used in wireless media.

In simple duplex, data can flow in both directions at the same time.

Data transmission uses a sender, a medium, and a receiver.

In a simplex system, the receiver does not send signals back to the sender.

Wireless signals do not experience attenuation.

The physical layer deals with software protocols.

Ethernet cables only use copper.

Packet switching breaks data into packets before transmission.

CRCs never used for error checking.

The data link layer is responsible for routing packets.

A bit is a unit of data at the application layer.

A hub reduces network collisions.

The OSI model has nine layers.

A router forwards frames only within the same LAN.

Wireless transmission uses radio waves as a transmission medium.

Half duplex allows transmission in both directions but not at the same time.

The speed of transmission is called bandwidth.

The payload is the control information in a packet.

Full duplex means one direction at a time.

The bandwidth measures the time delay of a link.

Half duplex allows simultaneous two-way transmission.

Switches operate primarily at the data link layer (Layer 2).

A network switch routes packets across networks.

Modulation is used to adapt signals for transmission over a medium.

Physical layer deals with how bits are electrical signals on a medium.

A modem converts digital data into analog signals only in reverse direction.

Simplex means data flows in one direction only.

The OSI model has seven layers.

Data communication networks enable sharing of resources over a medium.

Data transmission requires at least three layers of the OSI model.

A channel carries data between devices in a network.

Transmission media do not influence data speed.

Data transmission can be serial or parallel.

A channel can be shared among many users without any method.

Wireless networks cannot be affected by interference.