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15 Cards in this Set
- Front
- Back
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What two commands could tell you information about the IOS version on a given switch SW1 without establishing a Telnet connection to it but using another connected switch?
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'show cdp entry SW1' or 'show cdp neighbors detail'
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What two commands could tell you information about a connected switch SW1's model of hardware?
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'show cdp neighbors' or 'show cdp entry SW1'
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If a given interface Fa0/1 is listed as 'disabled' by 'show interfaces status', what two status codes will be displayed by 'show interfaces Fa0/1'?
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Administratively down and line protocol down
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What two commands list the MAC address table entries for MAC address configured by port security?
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'show mac address-table static' or 'show mac address-table port-security'
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Cisco Discovery Protocol (CDP) displays what information about other devices connected to it?
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Hostname, MAC and IP addresses, interface number, Device type, and model/IOS version
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How can you disable CDP from interface configuration and from global configuration?
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'no cdp enable' and 'no cdp run', appropriately
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What are the only ports on a switch that need to use CDP?
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Ports connected to another switch, router, or IP phone
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Cylic redundancy check (CRC) errors on an interface are caused by what?
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A frame failing the FCS error detection
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Frames that do not meet the minimum frame size requirement of 64 bytes, sometimes caused by collisions, are called...
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Runts
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Frames that exceed the maximum frame size requirement of 1518 bytes are called...
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Giants
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Frame errors are generated when, sometimes from a collision, a frame has an...
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Illegal format
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Late Collisions occur after the 64th byte of a frame has been transmitted. What is this normally caused by on a modern Ethernet LAN?
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Duplex mismatches
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If a switch has a large number of CRC errors but a few collisions, what problem may be causing this?
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Electromagnetic interference
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What occurs when two switches are both configured with 'switchport mode dynamic auto' and how can you resolve this?
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Changing one of the switches' configurations to 'switchport mode dynamic desirable' or 'switchport mode trunk'
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If SW1's trunk port with DTP enabled is connected to SW2 with trunking enabled, but DTP disabled, what occurs?
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One switch will remain in access mode and the trunk will work, but only on the native VLAN
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