Term
Switching
A reason why larger broadcast domains slow down a network? |
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Definition
| Every PC and NIC has to take time out to read and or respond to a broadcast. |
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Term
Switching
To read/ memorize
Motivations for using VLANs, including the following: |
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Definition
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Notice, nothing said about increased bandwidth
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To create more flexible designs that group users by department, or by groups that work together, instead of by physical location
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To segment devices into smaller LANs (broadcast domains) to reduce overhead caused to each host in the VLAN
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To reduce the workload for STP by limiting a VLAN to a single access switch
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To enforce better security by keeping hosts that work with sensitive data on a separate VLAN
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To separate traffic sent by an IP phone from traffic sent by PCs connected to the phones
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Term
Switching
Access layer switches |
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Definition
Connect directly to end users, providing access to the LAN
Provides a connection point (access) for end-user devices. Does not forward frames between two other access switches under normal circumstances. |
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Term
Switching
Distribution switches |
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Definition
In larger campus LANs, distribution switches provide a path through which the access switches can forward traffic to each other
Provides an aggregation point for access switches, forwarding frames between switches, but not connecting directly to end-user devices |
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Term
Switching
Core layer switch |
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Definition
| Aggregates distribution switches in very large campus LANs, providing very high forwarding rates |
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Term
Switching
Single mode fiber and multimode fiber.
Which has a longer distance and which is more expensive? |
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Definition
Multimode fiber supports shorter distances, but it is generally cheaper cabling, and it works fine with less-expensive LEDs
single-mode fiber, supports the longest distances but is more expensive, generally using lasers |
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Term
Switching
The preferred configuration command for configuring the password for reaching enable mode is the? |
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Definition
| enable secret password command |
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Term
Switching
For a new switch, the following should be set for passwords: |
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Definition
Console
Telnet
SSH
enable secret password |
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Term
Switching
When using the question mark for commands, what is the difference between "show ? and show?" |
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Definition
command ? - Text help describing all the first parameter options for a command
parm? (no space) - lists parameters starting with parm
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Term
Switching
Commands entered in configuration mode update the __ and take effect when? |
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Definition
active configuration file
These changes to the configuration occur immediately each time you press the Enter key at the end of a command
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