Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?

Computer Networking
Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?

Electronic newspaper

Paperless office

Global network

None of these

Electronic mail

Electronic newspaper

Paperless office

Global network

None of these

Electronic mail

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Computer Networking
A 8-Mbps token ring has a token holding timer value of 10 msec. What is the longest frame (assume header bits are negligible) that can be sent on this ring?

8 x 105 bit frame

80,000 B frame

10,000 B frame

8000 B frame

8 x 105 bit frame

80,000 B frame

10,000 B frame

8000 B frame

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Computer Networking
For data communications to occur, the communicating devices must be part of a communication system made up of a combination of?

Hardware and software

WAN and LAN

All of these

Full duplex and half duplex

Hardware and software

WAN and LAN

All of these

Full duplex and half duplex

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Computer Networking
The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?

Internet

Network Access

Application

Host-to-Host

Internet

Network Access

Application

Host-to-Host

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Computer Networking
Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?

The update will be ignored and no further action will occur.

The existing routing table entry will be deleted from the routing table and all routers will exchange routing updates to reach convergence.

The updated information will be added to the existing routing table.

They will all load-balance.

The updated information will replace the existing routing table entry.

The update will be ignored and no further action will occur.

The existing routing table entry will be deleted from the routing table and all routers will exchange routing updates to reach convergence.

The updated information will be added to the existing routing table.

They will all load-balance.

The updated information will replace the existing routing table entry.

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Computer Networking
Acknowledgments, sequencing, and flow control are characteristics of which OSI layer?

Layer 4

Layer 7

Layer 3

Layer 2

Layer 4

Layer 7

Layer 3

Layer 2

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Computer Networking

Computer Networking A 8-Mbps token ring has a token holding timer value of 10 msec. What is the longest frame (assume header bits are negligible) that can be sent on this ring?

Computer Networking For data communications to occur, the communicating devices must be part of a communication system made up of a combination of?

Computer Networking The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?

Computer Networking Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?

Computer Networking Acknowledgments, sequencing, and flow control are characteristics of which OSI layer?

Computer Networking
A 8-Mbps token ring has a token holding timer value of 10 msec. What is the longest frame (assume header bits are negligible) that can be sent on this ring?

Computer Networking
For data communications to occur, the communicating devices must be part of a communication system made up of a combination of?

Computer Networking
The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?

Computer Networking
Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?

Computer Networking
Acknowledgments, sequencing, and flow control are characteristics of which OSI layer?