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 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
90
...
The Diffusing Update Algorithm (DUAL)


2. What are the three LMI standards
Bandwidth & Delay
Cisco - ANSI - Q.933A
EIGRP - OSPF - RIP
Private: link local


3. What distant vector protocols exhibit classless behavior?
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
1Gb/s
RIPv2 and EIGRP
Updates all DROTHER Routers when a change occurs


4. How often are OSPF hello packets sent out?
Advance Distance Vector
Every 10 seconds
Connects the different areas
The inverse of a subnet mask.


5. VTP Client Mode does what?

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6. What is the default for equal cost paths for load balancing with OSPF?
TRUE
Loopback
110
4


7. What is a VLAN
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers
A group of end stations with a common set of requirements - independent of their physical location
0
A permit statement


8. How often does a router send link-state advertisements?
10Mb/s
Every 30 minutes by default
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
TRUE


9. The advantages of VLSM
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
RIPv2 & EIGRP
Maximizing address efficiency - organization - summarization
Distance Vector


10. What is an ABR
TRUE
A layer 3 switch or router
Area Border Router
Packets are processed before they are routed to an outbound interface.


11. With OSPF - what must be defined?
A backbone area...Also known as Area 0
Make sure you are in interface mode - then use this command ip access-group 1 out/in
Link-State
MD5 and you have to enable it if you want to use it.


12. Explain OSPF

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13. What are non designated routers called?
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
Dijkstra's Algorithm
Supports both unequal metric load balancing and equal metric balancing.
DROTHER


14. VTP Server Mode does what?

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15. What is the Wildcard mask
Anycast
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
Reduce the link-state database and routing table
The inverse of a subnet mask.


16. Wildcard masks filter

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17. What does the back bone router do?
Individual or group IP's
Make sure you are in interface mode - then use this command ip access-group 1 out/in
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
Connects the different areas


18. In Link state terminology - What is a link?

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19. What address is FE80:/10
Reduce the link-state database and routing table
Private: link local
Match on all routers or it will not work
The Root bridge is the bridge with the lowest bridge ID


20. How does an outbound ACL work?
4
Routes First/ Tests second
1Gb/s
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs


21. What is Frame Relay?
To select the best path to the destination
Area Border Router
Convergence
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.


22. What is the default load balancing for RIP
A backbone area...Also known as Area 0
4
20 seconds: 10 missed BPDU's
Designated Router (DR) and a Back-up designated Router (BDR)


23. Summarization of network information usually occurs where?
Checks the source address and then permits or denies the entire protocol suite
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
Between areas?
Unspecified


24. Formula for determining Subnets
The lower MAC address
15.....16 hops and the interface is down
Every 5 seconds
2^n


25. What type of authentication does EIGRP use?
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
The Root bridge is the bridge with the lowest bridge ID
MD5 and you have to enable it if you want to use it.
Packets are processed before they are routed to an outbound interface.


26. Normal time for STP convergence
A layer 3 switch or router
30-50 seconds
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
It is the signaling standard that maintains connection and statues between the DCE and DTE


27. What is passing VLAN traffic to another called?
Unspecified
Inter-VLAN routing
90
Adjacency


28. Why is it important to have a loopback address when using OSPF?
TRUE
Every 30 minutes by default
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
Because a loopback interface is always active and cannot be in a down state like a real interface can.


29. What are the major components of OSPF troubleshooting?
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
MAC based
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available


30. What is the purpose of LMI
It is the signaling standard that maintains connection and statues between the DCE and DTE
30-50 seconds
Every 30 Seconds
The Root bridge is the bridge with the lowest bridge ID


31. What does DLCI stand for?
100Mb/s
Data Link Connection Identifier
Distance Vector
Plaintext and MD5


32. What type of algorithm does EIGRP use?
Loopback
Advance Distance Vector
Area Border Router
It combines the advantages of Link-State and Distance vector routing protocols.


33. With OSPF - each router builds its SPF tree using the same link-state information - but each will have a separate ________ of the topology
View
Between areas?
TRUE
Ever 2 seconds


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

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35. What are subinterfaces?
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers
DROTHER
4 times the hello interval
Multiple virtual interfaces that are associated with one physical interface


36. How long is the dead interval
Every 5 seconds
It combines the advantages of Link-State and Distance vector routing protocols.
Layers 1 & 2
4 times the hello interval


37. How often are LMI's sent out?
Data Link Connection Identifier
Every 10 Seconds
Is a classless link-state protocol - creates a neighbor relationship by exchanging hello packets - propagates LSA's rather than routing table updates.
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available


38. With OSPF - there must always be a area......
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.
Automatically
0
The Root bridge is the bridge with the lowest bridge ID


39. What two classless protocols act classful by default?
Dijkstra's Algorithm
RIPv2 & EIGRP
Ever 2 seconds
0


40. Formula for determining hosts
DROTHER
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
2^n-2
Propagation of partial updates that are sent only to those routers that the changes affect.


41. What are the two ways routers can learn about the destination information?
16
Not scalable - hard to maintain as the network grows
Layers 1 & 2
1.) Enter the Routing Manually 2.) Use Dymamic Routing


42. In bridge root selection - if the bridge prioritys are the same - what determines root selection?
Every 10 seconds
Layers 1 & 2
Plaintext and MD5
The lower MAC address


43. How does EIGRP work with regards to Load Balancing
Supports both unequal metric load balancing and equal metric balancing.
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
TRUE
Private: link local


44. What is the maximum number of paths EIGRP can have for the same destination in it's routing table?
4 times the hello interval
MD5 and you have to enable it if you want to use it.
16
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication


45. What does bounded refer to?
A group of end stations with a common set of requirements - independent of their physical location
The lower MAC address
Propagation of partial updates that are sent only to those routers that the changes affect.
Port based


46. With ACL's where does the router extract information
Reduce the link-state database and routing table
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
Packet Header
Individual or group IP's


47. For an adjacency to occur what do the routers have to agree on?
R= Rip protocol; You can reach network 192.168.1.0 in two hops. The 120 is the admin distance and the 2 is the metric (hop). and it can be reached via the 10.1.1.2 network.
Determines the cost which is the bandwidth
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Unicast - Multicast - Anycast


48. In Link state terminology - What is a link?
A link is an interface on a router
Area Border Router
Scalable and fast convergence
The Root bridge is the bridge with the lowest bridge ID


49. Example of a Routed Protocol?
RIPv2 & EIGRP
IP
Ever 2 seconds
Bandwidth & Delay


50. How is the root bridge determined?
Routes First/ Tests second
Autonomous System
The Root bridge is the bridge with the lowest bridge ID
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL