The network layer is concerned with __________ of data. a. bits b. frames c. packets d. bytes

The network layer is concerned with
__________ of data.
a. bits
b. frames
c. packets
d. bytes
by

1 Answer

Answer :

c. packets
by

Related questions

The network layer is concerned with __________ of data. a) bits b) frames c) packets d) bytes

Description : The network layer is concerned with __________ of data. a) bits b) frames c) packets d) bytes

Last Answer : c) packets

The network layer encapsulates the data into _______of data. A. bits B. frames C. packets D. bytes

Description : The network layer encapsulates the data into _______of data. A. bits B. frames C. packets D. bytes

Last Answer : C. packets

Data in network layer is transferred in the form of ____________ A. Layers B. Packets C. Bytes D. Bits

Description : Data in network layer is transferred in the form of ____________ A. Layers B. Packets C. Bytes D. Bits

Last Answer : B. Packets 

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

A sender uses the Stop-and-Wait ARQ protocol for reliable transmission of frames. Frames are of size 1000 bytes and the transmission rate at the sender is 80 Kbps (1Kbps = 1000 bits/second). Size of an acknowledgement is 100 bytes and the transmission rate at the receiver is 8 Kbps. The one-way propagation delay is 100 milliseconds. Assuming no frame is lost, the sender throughput is __________ bytes/second. a. 2500 b. 2000 c. 1500 d. 500

Description : A sender uses the Stop-and-Wait ARQ protocol for reliable transmission of frames. Frames are of size 1000 bytes and the transmission rate at the sender is 80 Kbps (1Kbps = 1000 bits/second). Size of ... is lost, the sender throughput is __________ bytes/second. a. 2500 b. 2000 c. 1500 d. 500

Last Answer : a. 2500

The network layer is considered as the _______? A. Backbone B. packets C. Bytes D. bits

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Last Answer : A. Backbone  

The _______ layer provides a well defined service interface to the network layer, determining how the bits of the physical layer are grouped into frames A. Data Link B. Physical C. Network D. Session

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Consider a CSMA/CD network that transmits data at a rate of 100 Mbps (108 bits per second) over a 1 km (kilometre) cable with no repeaters. If the minimum frame size required for this network is 1250 bytes, what is the signal speed (km/sec) in the cable? a. 8000 b. 10000 c. 16000 d. 20000

Description : Consider a CSMA/CD network that transmits data at a rate of 100 Mbps (108 bits per second) over a 1 km (kilometre) cable with no repeaters. If the minimum frame size required for this network is 1250 bytes, what is the signal speed (km/sec) in the cable? a. 8000 b. 10000 c. 16000 d. 20000

Last Answer : d. 20000

A network with bandwidth of 10 Mbps can pass only an average of 12,000 frames per minute with each frame carrying an average of 10,000 bits. What is the throughput of this network ? a. 1 Mbps b. 2 Mbps c. 10 Mbps d. 12 Mbps

Description : A network with bandwidth of 10 Mbps can pass only an average of 12,000 frames per minute with each frame carrying an average of 10,000 bits. What is the throughput of this network ? a. 1 Mbps b. 2 Mbps c. 10 Mbps d. 12 Mbps

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A network with bandwidth of 10 Mbps can pass only an average of 15,000 frames per minute with each frame carrying an average of 8,000 bits. What is the throughput of this network? a. 2 Mbps b. 60 Mbps c. 120 Mbps

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UDP packets are called as _________ a. Segments b. Checksum c. Frames d. Datagrams

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What is the commonly used unit for measuring the speed of data transmission? A) Bytes per second B) Baud C) Bits per second D) Both B and C

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How many bytes of data can be sent in 15 seconds over a serial link with baud rate of 9600 in asynchronous mode with odd parity and two stop bits in the frame? a. 10,000 bytes b. 12,000 bytes c. 15,000 bytes d. 27,000 bytes

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Last Answer : b. 12,000 bytes

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Last Answer : (3) 15 and 14

Determine the maximum length of the cable (in km) for transmitting data at a rate of 500 Mbps in an Ethernet LAN with frames of size 10,000 bits. Assume the signal speed in the cable to be 2,00,000 km/s.b. 2 c. 2.5 d. 5

Description : Determine the maximum length of the cable (in km) for transmitting data at a rate of 500 Mbps in an Ethernet LAN with frames of size 10,000 bits. Assume the signal speed in the cable to be 2,00,000 km/s. b. 2 c. 2.5 d. 5

Last Answer : b. 2

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

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Network layer protocol exits in _________ a. Host b. Switches c. Packets d. Bridges

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Last Answer : a. Host

PGP is one of the protocols used to provide security at the ……….. It is designed to create authenticated and confidential ………. A. application layer, e-mails. B. Network layer, packets C. application layer, packets D. network layer , e-mails

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Last Answer : A. application layer, e-mails

The _____ layer uses data compression to reduce the number of bits to be transmitted. a. presentation b. network c. data link d. application

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Transport layer receives data in the form of? A. Packets B. Byte streams C. Bits stream D. both packet and Byte stream

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Last Answer : B. Byte streams 

User datagram protocol is called connectionless because _____________ a. all UDP packets are treated independently by transport layer b. it sends data as a stream of related packets c. it is received in the same order as sent order d. it sends data very quickly

Description : User datagram protocol is called connectionless because _____________ a. all UDP packets are treated independently by transport layer b. it sends data as a stream of related packets c. it is received in the same order as sent order d. it sends data very quickly

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User datagram protocol is called connectionless because _____________ a. all UDP packets are treated independently by transport layer b. it sends data as a stream of related packets c. it is received in the same order as sent order d. it sends data very quickly Answer: Option(a) 4. Transmission control protocol ____

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User datagram protocol is called connectionless because _____________ A. all UDP packets are treated independently by transport layer B. it sends data as a stream of related packets C. it is received in the same order as sent order D. it sends data very quickly

Description : User datagram protocol is called connectionless because _____________ A. all UDP packets are treated independently by transport layer B. it sends data as a stream of related packets C. it is received in the same order as sent order D. it sends data very quickly

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User datagram protocol is called connectionless because _____________ a) all UDP packets are treated independently by transport layer b) it sends data as a stream of related packets c) it is received in the same order as sent order d) it sends data very quickly

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If link transmits 4000 frames per second and each slot has 8 bits, the transmission rate of circuit of this TDM is ______. a. 64 Kbps b. 32 Mbps c. 32 Kbps d. 64 MbpS

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The distance between two stations M and N is L kilometers. All frames are K bits long. The propagation delay per kilometer is t seconds. Let R bits/second be the channelcapacity. Assuming that processing delay is negligible, the minimum number of bits for the sequence number field in a frame for maximum utilization, when the sliding window protocol used is: a. A b. B c. C d. D

Description : The distance between two stations M and N is L kilometers. All frames are K bits long. The propagation delay per kilometer is t seconds. Let R bits/second be the channel capacity. Assuming that processing ... maximum utilization, when the sliding window protocol used is: a. A b. B c. C d. D

Last Answer : c. C

What is the maximum size of data that the application layer can pass on to the TCP layer below? a. Any size b. 216 bytes - size of TCP header c. 216 bytes d. 1500

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In a packet switching network, if the message size is 48 bytes and each packet contains a header of 3 bytes. If 24 packets are required to transmit the message, the packet size is ................ (1) 2 bytes (2) 1 byte (3) 4 bytes (4) 5 bytes

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Last Answer : (4) 5 bytes 

------------------- is a set of rules governing the format and meaning of the packets, or messages that are exchanged by the peer entities within a layer. a. Interface b. Reference model c. Protocol d. None of these

Description : ------------------- is a set of rules governing the format and meaning of the packets, or messages that are exchanged by the peer entities within a layer. a. Interface b. Reference model c. Protocol d. None of these

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The..............layer change bits onto electromagnetic signals. A) Physical B) Transport C) Data Link D) Presentation

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Which of the following layers of the OSI reference model is concerned with the syntax of data exchanged between application entities? a. Presentation layer b. Application layer c. Transportation layer d. Session layer

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Last Answer : a. Presentation layer

Header of a Layer two frame usually contain ______________ A. synchronization bytes B. addresses C. frame identifier D. all of the mentioned

Description : Header of a Layer two frame usually contain ______________ A. synchronization bytes B. addresses C. frame identifier D. all of the mentioned

Last Answer : D. all of the mentioned

A station in a network forwards incoming packets byplacing them on its shortest output queue. Whatrouting algorithm is being used? A. hot potatorouting B. flooding C. static routing D. delta routing E. None of the above

Description : A station in a network forwards incoming packets byplacing them on its shortest output queue. Whatrouting algorithm is being used? A. hot potatorouting B. flooding C. static routing D. delta routing E. None of the above

Last Answer : hot potatorouting

Which of the following assertions is FALSE about the Internet Protocol (IP)? a. It is possible for a computer to have multiple IP addresses b. IP packets from the same source to the same destination can take different routes in the network c. IP ensures that a packet is discarded if it is unable to reach its destination within a given number of hops d. The packet source cannot set the route of an outgoing packets; the route is determined only by the routing tables in the routers on the way

Description : Which of the following assertions is FALSE about the Internet Protocol (IP)? a. It is possible for a computer to have multiple IP addresses b. IP packets from the same source to the same ... outgoing packets; the route is determined only by the routing tables in the routers on the way

Last Answer : d. The packet source cannot set the route of an outgoing packets; the route is determined only by the routing tables in the routers on the way

A network with bandwidth of 10 Mbps can pass only an average of 15,000 frames per minute with each frame carrying an average of 8,000 bits. What is the throughput of this network ? (A) 2 Mbps (B) 60 Mbps (C) 120 Mbps (D) 10 Mbps

Description : A network with bandwidth of 10 Mbps can pass only an average of 15,000 frames per minute with each frame carrying an average of 8,000 bits. What is the throughput of this network ? (A) 2 Mbps (B) 60 Mbps (C) 120 Mbps (D) 10 Mbps

Last Answer : (A) 2 Mbps Explanation: In data transmission, throughput is the amount of data moved successfully from one place to another in a given period of time, and typically measured in bits per second (bps), ... second (Mbps) or gigabits per second (Gbps). Here, Throughput = 15000 x 8000/60 = 2 Mbps 

A network with bandwidth of 10 Mbps can pass only an average of 12,000 frames per minute with each frame carrying an average of 10,000 bits. What is the throughput of this network ? (A) 1 Mbps (B) 2 Mbps (C) 10 Mbps (D) 12 Mbps

Description : A network with bandwidth of 10 Mbps can pass only an average of 12,000 frames per minute with each frame carrying an average of 10,000 bits. What is the throughput of this network ? (A) 1 Mbps (B) 2 Mbps (C) 10 Mbps (D) 12 Mbps

Last Answer : (B) 2 Mbps

Network Layer is used for (A) Breaking up the data in frames for transmission (B) Deal with Error correction (C) Automatic Recovery of Procedure (D) Physical Architecture

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Last Answer : (D) Physical Architecture

The minimum frame size required for a CSMA/CD based computer network running at 1 Gbps on a 200m cable with a link speed of 2 × 108m/s is a. 125 bytes b. 250 bytes c. 500 bytes d. None of these

Description : The minimum frame size required for a CSMA/CD based computer network running at 1 Gbps on a 200m cable with a link speed of 2 × 108m/s is a. 125 bytes b. 250 bytes c. 500 bytes d. None of these

Last Answer : b. 250 bytes

A pure ALOHA Network transmits 200 bit frames using a shared channel with 200 Kbps bandwidth. If the system (all stations put together) produces 500 frames per second, then the throughput of the system is ______. a. 0.384 b. 0.184 c. 0.286 d. 0.58

Description : A pure ALOHA Network transmits 200 bit frames using a shared channel with 200 Kbps bandwidth. If the system (all stations put together) produces 500 frames per second, then the throughput of the system is ______. a. 0.384 b. 0.184 c. 0.286 d. 0.58

Last Answer : b. 0.184

In an Ethernet local area network, which one of the following statements is TRUE ? a. A station stops to sense the channel once it starts transmitting a frame. b. The purpose of the jamming signal is to pad the frames that are smaller than the minimum frame size. c. A station continues to transmit the packet even after the collision is detected. d. The exponential backoff mechanism reduces the probability of collision on retransmissions

Description : In an Ethernet local area network, which one of the following statements is TRUE ? a. A station stops to sense the channel once it starts transmitting a frame. b. The purpose ... collision is detected. d. The exponential backoff mechanism reduces the probability of collision on retransmissions

Last Answer : The exponential backoff mechanism reduces the probability of collision on retransmissions

In open-loop control, policies are applied to __________ A. Remove after congestion occurs B. Remove after sometime C. Prevent before congestion occurs D. Prevent before sending packets

Description : In open-loop control, policies are applied to __________ A. Remove after congestion occurs B. Remove after sometime C. Prevent before congestion occurs D. Prevent before sending packets

Last Answer : C. Prevent before congestion occurs

A __________ is a device that forwards packets between networks by processing the routing information included in the packet.a) bridge b) firewall c) router d) hub

Description : A __________ is a device that forwards packets between networks by processing the routing information included in the packet. a) bridge b) firewall c) router d) hub

Last Answer : c) router

For Stop-and-Wait ARQ, for 10 data packets sent, _______ acknowledgments are needed. A) exactly 10 B) less than10 C) more than 10 D) none of the above

Description : For Stop-and-Wait ARQ, for 10 data packets sent, _______ acknowledgments are needed. A) exactly 10 B) less than10 C) more than 10 D) none of the above

Last Answer : exactly 10

Which of the following is not correct in relation to multi-destination routing? a. is same as broadcast routing b. contains the list of all destinations c. data is not sent by packets d. there are multiple receivers

Description : Which of the following is not correct in relation to multi-destination routing? a. is same as broadcast routing b. contains the list of all destinations c. data is not sent by packets d. there are multiple receivers

Last Answer : c. data is not sent by packets

For Stop-and-Wait ARQ, for 10 data packets sent, _______ acknowledgments are needed A. exactly 10 B. less than 10 C. more than 10 D. none of the above

Description : For Stop-and-Wait ARQ, for 10 data packets sent, _______ acknowledgments are needed A. exactly 10 B. less than 10 C. more than 10 D. none of the above

Last Answer : B. High-level data link control

Breaking physical memory into fixed-sized bloclcs called as: (1) Packets (2) Page (3) Frames (4) Segments

Description : Breaking physical memory into fixed-sized bloclcs called as: (1) Packets (2) Page (3) Frames (4) Segments

Last Answer : Frames

Which of the following are the best units of data on an external storage device? A) Bits B) Bytes C) Hertz D) Clock cycles

Description : Which of the following are the best units of data on an external storage device? A) Bits B) Bytes C) Hertz D) Clock cycles

Last Answer : Answer : B

Which of the following are the best units of data on an external storage device? 1) Bits 2) Bytes 3) Hertz 4) Clock cycles

Description : Which of the following are the best units of data on an external storage device? 1) Bits 2) Bytes 3) Hertz 4) Clock cycles

Last Answer : 2) Bytes