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17 Cards in this Set
- Front
- Back
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What happens to runt frames recieved by a cisco Ethernet switch |
The frame us dropped |
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What are the two sizes of an Ethernet frames |
64 bytes 1518 bytes |
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What statement best describes Ethernet |
It defines the most common lan type in the world |
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Which two statements describe features and functions of the logical link control sublet in Ethernet standards |
Logical link control is implemented in software The data link layer uses Llc to communicate with the upper layers of the protocol suite |
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Which statement describes a characteristic of mac address |
They must be globally unique |
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Which statement is true about mac addresses |
The first three bytes are used by the vendor assigned oui |
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Which destination address is used in a ARP request frame? |
FFFF.FFFF.FFFF |
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What addressing information is recorded by a switch to build it's mac address table |
The source layer 2 address of incoming frames |
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Which switching method uses the crc value in the frame |
Store and foward |
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What is auto mdix |
A feature that detects Ethernet cable types |
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When a device is sending data to another device on a remote network the Ethernet frame is sent to the mac address of the default gateway |
True |
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The arp table on a switch maps which two types of address together |
Layer 3 address to a layer 2 address |
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Which statement describes the treatment of arp requests on the local link |
They are recieved and processed by every device on the network |
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What are the two potential problems that can result from arp operation |
On large networks with low bandwidth. Multiple arp broadcasts could cause communication delays Network attackers could manipulate mac address and ip address mapping in arp messages |
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A collision fragment also known as a runt frame is a frame of fewer than 64 bytes in length |
Runt |
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On a cisco switch port based memory buffering is used to buffer frames in queues linked to specific incoming and outgoing ports |
Port based |
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Arp spoofing is a technique that is used to send fake arp messages to other hosts in the lan |
Spoofing |
