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33 Cards in this Set

  • Front
  • Back
What is the purpose of the Cisco Discovery Protocol (CDP)?
It is used to dynamically discover information about neighboring devices.
What is the command to see the neighbors of a device using CDP?
show cdp neighbors
What does a router listen for to discover information while using CDP?
CDP advertisements
(True/False) Cisco Discovery Protocol (CDP) relies on Layer 3 protocols.
False
For the Cisco Discovery Protocol (CDP) to work, the data link layer must support use of what protocol header?
Subnetwork Access Protocol (SNAP) header
(True/False) The Cisco Discovery Protocol (CDP) can still work even if IP does not work.
True
List the type of information learned by CDP:
- Device Name
- Local Interface
- Holdtime
- Capability
- Platform
- Port ID
- VTP Management Domain Name (CDP version 2 only)
- Native VLAN (CDP version 2 only)
- Full/Half Duplex (CDP version 2 only)
What is the default interval for the CDP update interval timer?
60 seconds
CDP requires that a device send advertisements on a regular, periodic time cycle. What is this called?
CDP update interval
What defines how long the information in a CDP advertisement should be considered valid?
CDP holdtime
Which "show cdp" command lists one summary line of information about each neighbor, or just the neighbor found on a specifc interface if an interface was listed.
show cdp neighbors [type number]
What does the following CDP command do:

show cdp neighbors detail
Lists one large set (approx 15 lines) of information, one set for every neighbor
What "show cdp" command can be used to see detailed information about a single specific neighbor?
show cdp neighbors detail [name]

or

show cdp entry [name]
Which CDP command states whether CDP is enabled globally and lists the default update and holdtime timers?
show cdp
Which CDP command states whether CDP is enabled on each interface, or a single interface if the interface is listed, and states update and holdtime timers on those interfaces?
show cdp interface [type number]
What does the following command show:

show cdp traffic
Lists global statistics for the number of CDP advertisements sent and received
What command is used to reset the counters shown in the "show cdp traffic" command to 0?
clear cdp packets
What does the following command do:

debug cdp packets
Enables a debug that generates one message each time a CDP advertisement is sent or received
What command is used to enable cdp?
cdp run
What command is used to disable cdp?
no cdp run
What command is used to enable cdp on an interface?
cdp enable
What is command is used to disable cdp on an interface?
no cdp enable
(True/False) CDP can be used to create a map of an internetwork.
True
What command is used to delete the CDP table of information about neighbors?
clear cdp table
What command is used to display information about the types of debugging that are enabled for your router?
show debugging
What command displays informational messages in real time when the status od a CDP neighbor changes?
debug cdp adjacency
Which command displays informational messages regarding any event that occurs with CDP?
debug cdp events
Which command displays informational messages each time a router learns IP information with CDP?
debug cdp ip
A global configuration command that sets the CDP update time
cdp timers
A global configuration command that specifies the CDP holdtime
cdp holdtime
When a user uses telnet to connect to a router, the router provides what type of line for the connection?
VTY line
List three main reasons for the failure of opening a telnet session:
- IP routing is not working
- Name resolution is not working
- VTY password is not confgured
What is the key sequence to suspend a telnet session?
Ctrl+Shift+6, let go of all three keys and then press "x" and let go