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Networking Questions Set 33:

Quiz Mode

What was the name of the first network?

ASPANET

ARPANET

CNNET

NSFNET

Solution:

The receiver equalizer reduces delay distortions using

tapped delay lines

gear shift

descrambler

difference edging

Solution:

The gateway allows devices on one network to communicate with devices on another network.

decode

communicate

convert

separate

Solution:

In File Transfer Protocol (FTP), data transfer cannot be done in ___________

stream mode

block mode

compressed mode

message mode

Solution:

The physical layer in a network is concerned with:

Process-to-process delivery

Bit-by-bit delivery

Application-to-application delivery

Port-to-port delivery

Solution:

Which sublayer of the data link layer performs data link functions that depend upon the type of medium?

logical link control sublayer

network interface control sublayer

none of the above

media access control sublayer

Solution:

Consider a selective repeat sliding window protocol that uses a frame size of 1 KB to send data on a 1.5 Mbps link with a one-way latency of 50 ms. To achieve a link utilization of 60%, the minimum number of bits required to represent the sequence number field is _____.

Solution:

The address of a Class B host is to be split into subnets with a 6-bit subnet number. What are the maximum number of subnets and the maximum number of hosts in each subnet?

62 subnets and 262142 hosts.

64 subnets and 262142 hosts.

62 subnets and 1022 hosts.

64 subnets and 1024 hosts.

Solution:

Consider three IP networks A, B, and C. Host HA in network A sends messages, each containing 180 bytes of application data, to a host HC in network C. The TCP layer adds a 20-byte header to the message. This data passes through an intermediate network B. The maximum packet size, including a 20-byte IP header, in each network is: A: 1000 bytes, B: 100 bytes, C: 1000 bytes. The network between A and B is a 1 Mbps link, while the link between B and C is a 512 Kbps link. What is the rate at which application data is transferred to host HC? Ignore errors, acknowledgments, and other overheads.

325.5 Kbps

354.5 Kbps

409.6 Kbps

512.0 Kbps

Networking Questions Set 33:

What was the name of the first network?

Solution:

The receiver equalizer reduces delay distortions using

Solution:

The gateway allows devices on one network to communicate with devices on another network.

Solution:

In File Transfer Protocol (FTP), data transfer cannot be done in ___________

Solution:

The physical layer in a network is concerned with:

Solution:

Which sublayer of the data link layer performs data link functions that depend upon the type of medium?

Solution:

Consider a selective repeat sliding window protocol that uses a frame size of 1 KB to send data on a 1.5 Mbps link with a one-way latency of 50 ms. To achieve a link utilization of 60%, the minimum number of bits required to represent the sequence number field is _____.

Solution:

The address of a Class B host is to be split into subnets with a 6-bit subnet number. What are the maximum number of subnets and the maximum number of hosts in each subnet?

Solution:

Solution:

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