Instructions:

• Answer 50 questions in 15 minutes.
• If you are not ready to take this test, you can study here.
• Match each statement with the correct term.
• Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. What is the maximum number of paths EIGRP can have for the same destination in it's routing table?
224.0.0.5
16
15.....16 hops and the interface is down
Individual or group IP's


2. In regards to troubleshooting OSPF what should you check?
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
Unicast - Multicast - Anycast
Packet Header
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.


3. What are the major components of OSPF troubleshooting?
Domain
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
Between areas?
The inverse of a subnet mask.


4. Dynamic VLAN is what?
MAC based
120
4 times the hello interval
110


5. What is ::1
Loopback
Routes First/ Tests second
A link is an interface on a router
Port based


6. Spanning-Tree cost of 19
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
Match on all routers or it will not work
100Mb/s
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.


7. What Layer does Frame Relay operate at?
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
Select the routing protocol - then specify the network.
Layers 1 & 2
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.


8. Routing protocol is what?
A layer 3 switch or router
4 times the hello interval
A protocol on how to communicate with other routers
By DLCI's


9. Purpose of a Routing Protocol?
A link is an interface on a router
Private: link local
All backup routes for destinations.
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available


10. Classful Protocols summarize
Automatically
Connects the different areas
View
4


11. Every ACL will need what?
224.0.0.5
110
A permit statement
RIPv2 and EIGRP


12. Dynamic ACL's are dependent on what?
Telnet connectivity - authentication and extended ACLs
A trunk
To select the best path to the destination
Packets are processed before they are routed to an outbound interface.


13. Problem with static routes
It is the signaling standard that maintains connection and statues between the DCE and DTE
Not scalable - hard to maintain as the network grows
Between areas?
Bandwidth & Delay


14. What are the two ways routers can learn about the destination information?
120
224.0.0.10
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
1.) Enter the Routing Manually 2.) Use Dymamic Routing


15. For a VLAN to span across multiple switches What is required?
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
Every 30 minutes by default
A trunk
Plaintext and MD5


16. Static VLAN is what?
Every 10 Seconds
Autonomous System
Port based
Determines the cost which is the bandwidth


17. What does the back bone router do?
...
Connects the different areas
It combines the advantages of Link-State and Distance vector routing protocols.
Designated Router (DR) and a Back-up designated Router (BDR)


18. What is an ABR
...
Updates all DROTHER Routers when a change occurs
A permit statement
Area Border Router


19. Explain OSPF

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20. Explain how routing loops occur with RIP?
EIGRP - OSPF - RIP
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
224.0.0.5
...


21. Break down the word Link-State

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22. Why is EIGRP considered a Hybrid routing protocol?
Domain
It combines the advantages of Link-State and Distance vector routing protocols.
1Gb/s
Only topology within their respective area.


23. What is the dead interval
DROTHER
Domain
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
All backup routes for destinations.


24. What are non designated routers called?
110
Only with Cisco IOS software release 12.3 (2) T
It combines the advantages of Link-State and Distance vector routing protocols.
DROTHER


25. Formula for determining Subnets
15.....16 hops and the interface is down
224.0.0.5
2^n
Supports both unequal metric load balancing and equal metric balancing.


26. What is prefix length?
Aka Subnet mask
15.....16 hops and the interface is down
Make sure trunking is established. Ensure that dot1q encapsulation is set - and then for each subinterface do this encapsulation dot1Q 2 where 2 is the VLAN associated with that interface
2^n


27. How does EIGRP work with regards to Load Balancing
Each router builds a map of the network and determines the shortest path to every network.
Checks the source and destination address then permits or denies specific protocols
Supports both unequal metric load balancing and equal metric balancing.
The Diffusing Update Algorithm (DUAL)


28. Example of a Routing Protocol?
EIGRP - OSPF - RIP
Because a loopback interface is always active and cannot be in a down state like a real interface can.
A link is an interface on a router
2^n-2


29. What are two statements that are true of IPv6 address representation?
20 seconds: 10 missed BPDU's
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
It is never useful to send information about a route back in the direction from which the original info came.
...


30. What is the Shortest Path First algorithm also called?

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31. VTP Client Mode does what?

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32. What two things need to be done to enable dynamic routing?
It is never useful to send information about a route back in the direction from which the original info came.
A permit statement
2^n
Select the routing protocol - then specify the network.


33. How do you configure a sub interface?
Bandwidth & Delay
Make sure trunking is established. Ensure that dot1q encapsulation is set - and then for each subinterface do this encapsulation dot1Q 2 where 2 is the VLAN associated with that interface
Unspecified
Make sure you are in interface mode - then use this command ip access-group 1 out/in


34. In Link state terminology - What is a link?
Unspecified
A link is an interface on a router
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
A group of end stations with a common set of requirements - independent of their physical location


35. When placing ACL's in the Network...Do what?

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36. What is passing VLAN traffic to another called?
Inter-VLAN routing
Only with Cisco IOS software release 12.3 (2) T
Associating the network address with a local DLCI.
MAC based


37. What is the Wildcard mask
224.0.0.10
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Inter-VLAN routing
The inverse of a subnet mask.


38. What distant vector protocols exhibit classless behavior?
RIPv2 and EIGRP
Data Link Connection Identifier
Advertised Distance & Feasible distance
Multiple virtual interfaces that are associated with one physical interface


39. What algorithm does EIGRP use?
Make sure trunking is established. Ensure that dot1q encapsulation is set - and then for each subinterface do this encapsulation dot1Q 2 where 2 is the VLAN associated with that interface
The Diffusing Update Algorithm (DUAL)
100Mb/s
A combination of Link-state and distance vector


40. In bridge root selection - if the bridge prioritys are the same - what determines root selection?
The lower MAC address
...
Every 10 seconds
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers


41. Nonbackbone - internal routers are aware of what topology
The Diffusing Update Algorithm (DUAL)
TRUE
Layers 1 & 2
Only topology within their respective area.


42. Example of a Routed Protocol?
TRUE
Adjacency
IP
One ACL per protocol - One ACL per direction - Once ACL per interface


43. What type of algorithm does EIGRP use?
Plaintext and MD5
A group of end stations with a common set of requirements - independent of their physical location
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Advance Distance Vector


44. What is the purpose of LMI
It is the signaling standard that maintains connection and statues between the DCE and DTE
Every 10 seconds
Inter-VLAN routing
Because a loopback interface is always active and cannot be in a down state like a real interface can.


45. What is a VLAN
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
It is never useful to send information about a route back in the direction from which the original info came.
Every 10 Seconds
A group of end stations with a common set of requirements - independent of their physical location


46. Spanning-Tree cost of 100
Domain
10Mb/s
Every 10 Seconds
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address


47. What is OSPF multicast address?
It is never useful to send information about a route back in the direction from which the original info came.
Ever 2 seconds
224.0.0.5
TRUE


48. What is ::
Unspecified
EIGRP - OSPF - RIP
15.....16 hops and the interface is down
Dijkstra's Algorithm


49. Can you delete individual entries in a specific ACL?
Associating the network address with a local DLCI.
Scalable and fast convergence
4
Only with Cisco IOS software release 12.3 (2) T


50. Admin distance of RIPv2
TRUE
120
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.
Convergence