Ethernet networks can be cabled in a number of topologies, depending on what works best in each environment. As more nodes are added, the efficiency of Ethernet decreases. Select the best answer as to why Ethernet becomes less efficient as size increases.

Computer Networking
Ethernet networks can be cabled in a number of topologies, depending on what works best in each environment. As more nodes are added, the efficiency of Ethernet decreases. Select the best answer as to why Ethernet becomes less efficient as size increases.

Repeaters cannot increase the signal strength sufficiently

Cable terminators do not reflect the signal properly

Cable terminators do not absorb the signal properly

"Line echo" occurs due to the impedance of the cable

Network collisions occur

Repeaters cannot increase the signal strength sufficiently

Cable terminators do not reflect the signal properly

Cable terminators do not absorb the signal properly

"Line echo" occurs due to the impedance of the cable

Network collisions occur

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Computer Networking
What is the main reason the OSI model was created?

So Cisco could use the model.

To create a layered model larger than the DoD model.

So application developers can change only one layer's protocols at a time.

So different networks could communicate.

So Cisco could use the model.

To create a layered model larger than the DoD model.

So application developers can change only one layer's protocols at a time.

So different networks could communicate.

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Computer Networking
What is the default subnet mask for a class A network?

255.255.255.0

127.0.0.1

255.255.255.0.0

255.0.0.0

None of these

255.255.255.0

127.0.0.1

255.255.255.0.0

255.0.0.0

None of these

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Computer Networking
Which of the following protocols uses both TCP and UDP?

SMTP

Telnet

FTP

DNS

SMTP

Telnet

FTP

DNS

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Computer Networking
If delays are recorded as 10 bit numbers in a 50 router network, and delay vectors are exchanged twice a second, how much bandwidth per fill duplex line is occupied by the distributed routing algorithm?

5 bps

1000 bps

1500 bps

500 bps

None of these

5 bps

1000 bps

1500 bps

500 bps

None of these

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Computer Networking
The slowest transmission speeds are those of

twisted-pair wire

coaxial cable

fiber-optic cable

microwaves

twisted-pair wire

coaxial cable

fiber-optic cable

microwaves

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Computer Networking

Computer Networking Ethernet networks can be cabled in a number of topologies, depending on what works best in each environment. As more nodes are added, the efficiency of Ethernet decreases. Select the best answer as to why Ethernet becomes less efficient as size increases.

Computer Networking What is the main reason the OSI model was created?

Computer Networking What is the default subnet mask for a class A network?

Computer Networking Which of the following protocols uses both TCP and UDP?

Computer Networking If delays are recorded as 10 bit numbers in a 50 router network, and delay vectors are exchanged twice a second, how much bandwidth per fill duplex line is occupied by the distributed routing algorithm?

Computer Networking The slowest transmission speeds are those of

Computer Networking
Ethernet networks can be cabled in a number of topologies, depending on what works best in each environment. As more nodes are added, the efficiency of Ethernet decreases. Select the best answer as to why Ethernet becomes less efficient as size increases.

Computer Networking
What is the main reason the OSI model was created?

Computer Networking
What is the default subnet mask for a class A network?

Computer Networking
Which of the following protocols uses both TCP and UDP?

Computer Networking
If delays are recorded as 10 bit numbers in a 50 router network, and delay vectors are exchanged twice a second, how much bandwidth per fill duplex line is occupied by the distributed routing algorithm?

Computer Networking
The slowest transmission speeds are those of