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 are the three LMI standards
IETF
Port based
Loopback
Cisco - ANSI - Q.933A


2. In Link state terminology - What is a link?
0
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
A link is an interface on a router
10Mb/s


3. How do you apply the ACL to an interface
30-50 seconds
No
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
Make sure you are in interface mode - then use this command ip access-group 1 out/in


4. Admin distance of a connected Network?
Susceptible to routing loops
IP
IETF
0


5. With OSPF - there must always be a area......
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
Convergence
0
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address


6. What address is FE80:/10
Ever 2 seconds
Data Link Connection Identifier
Adjacency
Private: link local


7. Benefits of OSPF?
120
Scalable and fast convergence
Multicast
Adjacency


8. Admin distance of a Static Route?
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
Every 10 Seconds
A trunk
1


9. Example of a Routed Protocol?
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
Null
Advance Distance Vector
IP


10. What is passing VLAN traffic to another called?
Inter-VLAN routing
Six equal cost paths
Disable auto summarization
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.


11. Routers are used for what?
0
A protocol on how to communicate with other routers
Advertised Distance & Feasible distance
To select the best path to the destination


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

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13. What is OSPF multicast address?
Aka Subnet mask
224.0.0.5
It combines the advantages of Link-State and Distance vector routing protocols.
Between areas?


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

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15. Problem with static routes
Designated Router (DR) and a Back-up designated Router (BDR)
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
Not scalable - hard to maintain as the network grows
Every 30 minutes by default


16. What is an Autonomous System?
Area Border Router
The inverse of a subnet mask.
...
MD5 and you have to enable it if you want to use it.


17. What does partial refer to?
Not scalable - hard to maintain as the network grows
The update only includes info about the route change
Routes First/ Tests second
Domain


18. What is a VLAN
Routes First/ Tests second
Every 10 seconds
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
A group of end stations with a common set of requirements - independent of their physical location


19. The time delay for a router to match a network change?
Convergence
4
Domain
Carry's traffic for multiple VLANS


20. The no auto-summary command does what?
Forces protocols to behave as if they were classless
A link is an interface on a router
Link-State
Propagation of partial updates that are sent only to those routers that the changes affect.


21. What are non designated routers called?
It is never useful to send information about a route back in the direction from which the original info came.
224.0.0.5
DROTHER
2^n


22. What type of algorithm does RIP use?
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
Distance Vector
Scalable and fast convergence
Domain


23. A router running EIGRP will store what?
All backup routes for destinations.
4
Cisco - ANSI - Q.933A
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.


24. What does bounded refer to?
RIPv2 & EIGRP
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
Carry's traffic for multiple VLANS
Propagation of partial updates that are sent only to those routers that the changes affect.


25. Explain OSPF

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26. What two classless protocols act classful by default?
Associating the network address with a local DLCI.
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
The Root bridge is the bridge with the lowest bridge ID
RIPv2 & EIGRP


27. Admin distance of EIGRP?
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
TRUE
Link-State
90


28. How is the root bridge determined?
The Root bridge is the bridge with the lowest bridge ID
Every 5 seconds
The lower MAC address
Associating the network address with a local DLCI.


29. What is ::
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
Unspecified
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
Every 5 seconds


30. What is the purpose of LMI
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
It combines the advantages of Link-State and Distance vector routing protocols.
It is the signaling standard that maintains connection and statues between the DCE and DTE
Cisco - ANSI - Q.933A


31. Example of a Routing Protocol?
Bandwidth & Delay
EIGRP - OSPF - RIP
RIPv2 & EIGRP
Telnet connectivity - authentication and extended ACLs


32. OSPF routes packets within a single?
32768
0
Autonomous System
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication


33. Describe features of RIPv1
TRUE
Every 10 seconds
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
120


34. Spanning-Tree cost of 100
32768
Supports both unequal metric load balancing and equal metric balancing.
10Mb/s
Maximizing address efficiency - organization - summarization


35. How does an Extended ACL work?
The inverse of a subnet mask.
Checks the source and destination address then permits or denies specific protocols
Associating the network address with a local DLCI.
Aka Subnet mask


36. Classful Protocols summarize
A layer 3 switch or router
4 times the hello interval
Maximizing address efficiency - organization - summarization
Automatically


37. How do you configure OSPF
Only with Cisco IOS software release 12.3 (2) T
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
4
Not scalable - hard to maintain as the network grows


38. For a VLAN to span across multiple switches What is required?
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers
A trunk
90
Carry's traffic for multiple VLANS


39. VTP Client Mode does what?

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40. What does the DR do?
DROTHER
A link is an interface on a router
It is the signaling standard that maintains connection and statues between the DCE and DTE
Updates all DROTHER Routers when a change occurs


41. How are Frame Relay Circuits identified?

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42. How does Link-State work?
Each router builds a map of the network and determines the shortest path to every network.
Reduce the link-state database and routing table
RIPv2 and EIGRP
MD5 and you have to enable it if you want to use it.


43. For an adjacency to occur what do the routers have to agree on?
All backup routes for destinations.
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
A layer 3 switch or router


44. How long is the dead interval
No
4
2^n
4 times the hello interval


45. With OSPF - what must be defined?
For line vty 0 4
The Diffusing Update Algorithm (DUAL)
A backbone area...Also known as Area 0
Bandwidth & Delay


46. Routers running distances vector routing protocol send periodic updates even if there are no changes in the network. True or False?
Autonomous System
Determines the cost which is the bandwidth
TRUE
Unspecified


47. What does the back bone router do?
A group of end stations with a common set of requirements - independent of their physical location
Connects the different areas
Advance Distance Vector
One ACL per protocol - One ACL per direction - Once ACL per interface


48. How often are LMI's sent out?
110
The Root bridge is the bridge with the lowest bridge ID
Layers 1 & 2
Every 10 Seconds


49. Dynamic VLAN is what?
Automatically
32768
MAC based
Every 5 seconds


50. By default OSPF uses what type of authentication?
Null
Reduce the link-state database and routing table
Autonomous System
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration