Cisco Network CH 3

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Match the components in the notation 100Base-T to the specification.

100 → speed in Mbps, BASE → baseband transmission, T → twisted-pair cable

When a computer assembles a frame to be sent over the network, what is the maximum size of an Ethernet frame?

1518 bytes

What makes it possible for e-mail to be sent and received on a wide variety of devices, including cell phones, PDAs, laptops, and desktop computers?

E-mail software is written using standards and protocols that ensure compatibility.

What type of information is contained in an ARP table?

IP address to MAC address mappings

What address type does a switch use to make selective forwarding decisions?

destination MAC

What is the purpose of the core layer in the Cisco hierarchical network design model?

high-speed backbone switching

Which three elements do all communication methods have in common?

message destination, message source, transmission medium

Which two layers of the OSI model specify protocols that are associated with Ethernet standards? (Choose two.)

physical layer, data link layer

Which type of network model describes the functions that must be completed at a particular layer, but does not specify exactly how each protocol should work?

reference model

What role does a router play on a network?

selecting the path to destination networks

Which three layers of the OSI model make up the application layer of the TCP/IP model? (Choose three.)

session, presentation, application

Which term refers to the set of rules that define how a network operates?

standard


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