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 one to many?
Multicast
Forces protocols to behave as if they were classless
4 times the hello interval
Automatically


2. What is ::1
The lower MAC address
Autonomous System
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
Loopback


3. Describe features of RIPv2
MD5 and you have to enable it if you want to use it.
The lower MAC address
MAC based
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication


4. In Link state terminology - What is a link?
IETF
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.
Data Link Connection Identifier
A link is an interface on a router


5. Nonbackbone - internal routers are aware of what topology
Match on all routers or it will not work
Anycast
Only topology within their respective area.
Every 5 seconds


6. Break down the word Link-State

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7. Formula for determining Subnets
2^n
Checks the source address and then permits or denies the entire protocol suite
It is never useful to send information about a route back in the direction from which the original info came.
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.


8. What does partial refer to?
4
Associating the network address with a local DLCI.
The update only includes info about the route change
Designated Router (DR) and a Back-up designated Router (BDR)


9. With OSPF - what must be defined?
0
Forces protocols to behave as if they were classless
Routes First/ Tests second
A backbone area...Also known as Area 0


10. Spanning-Tree cost of 100
10Mb/s
0
Anycast
Unspecified


11. VTP Transparent Mode does what?

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12. A router running EIGRP will store what?
All backup routes for destinations.
The information regarding that link. This can include the router's IP address - the type of network - the cost of the link - and if there are any neighboring routers on that link.
By DLCI's
Link-State


13. What does a trunk do?

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14. In regards to troubleshooting OSPF what should you check?
Propagation of partial updates that are sent only to those routers that the changes affect.
Automatically
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
It combines the advantages of Link-State and Distance vector routing protocols.


15. With OSPF - there must always be a area......
0
MAC based
A link is an interface on a router
Each router builds a map of the network and determines the shortest path to every network.


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

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17. How often are BPDU's sent?
All backup routes for destinations.
Distance Vector
224.0.0.10
Ever 2 seconds


18. How often does a router send link-state advertisements?
Distance Vector
Every 30 minutes by default
224.0.0.10
20 seconds: 10 missed BPDU's


19. Explain OSPF

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20. VTP Client Mode does what?

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21. How long is the dead interval
RIPv2 & EIGRP
4 times the hello interval
Test Firsts/ Routes Second
1.) Enter the Routing Manually 2.) Use Dymamic Routing


22. What are two OSPF authentication methods?
Plaintext and MD5
Supports both unequal metric load balancing and equal metric balancing.
It is the signaling standard that maintains connection and statues between the DCE and DTE
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.


23. What is the spilt horizon rule?
RIPv2 and EIGRP
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
Because a loopback interface is always active and cannot be in a down state like a real interface can.
It is never useful to send information about a route back in the direction from which the original info came.


24. What type of algorithm does EIGRP use?
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers
4
Advance Distance Vector
A layer 3 switch or router


25. In regards to ACL's What are the three protocols?
Designated Router (DR) and a Back-up designated Router (BDR)
One ACL per protocol - One ACL per direction - Once ACL per interface
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
RIPv2 and EIGRP


26. How does EIGRP work with regards to Load Balancing
Supports both unequal metric load balancing and equal metric balancing.
Checks the source and destination address then permits or denies specific protocols
A trunk
MD5 and you have to enable it if you want to use it.


27. An OSPF neighbor relationship can also be called what?
Adjacency
The Root bridge is the bridge with the lowest bridge ID
Select the routing protocol - then specify the network.
EIGRP - OSPF - RIP


28. What is the maximum number of paths EIGRP can have for the same destination in it's routing table?
16
Routes First/ Tests second
Port based
No


29. How is an EUI-64 format interface ID created from a 48-Bit MAC address
A combination of Link-state and distance vector
110
The Diffusing Update Algorithm (DUAL)
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address


30. What is the default Bridge priority?
224.0.0.10
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
32768
15.....16 hops and the interface is down


31. How do you configure OSPF
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
Only with Cisco IOS software release 12.3 (2) T
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.
It combines the advantages of Link-State and Distance vector routing protocols.


32. What is ::
DROTHER
16
Propagation of partial updates that are sent only to those routers that the changes affect.
Unspecified


33. How often are periodic updates sent out via RIP
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
Every 30 Seconds
Reduce the link-state database and routing table
Anycast


34. Describe features of RIPv1
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
Null
It combines the advantages of Link-State and Distance vector routing protocols.
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address


35. Describe an Outbound ACL
No
Scalable and fast convergence
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
100Mb/s


36. OSPF will elect a what?
Checks the source address and then permits or denies the entire protocol suite
Designated Router (DR) and a Back-up designated Router (BDR)
TRUE
The information regarding that link. This can include the router's IP address - the type of network - the cost of the link - and if there are any neighboring routers on that link.


37. How does the SPF determine the shortest path?
Port based
Unicast - Multicast - Anycast
Determines the cost which is the bandwidth
The information regarding that link. This can include the router's IP address - the type of network - the cost of the link - and if there are any neighboring routers on that link.


38. Admin distance of EIGRP?
90
The lower MAC address
To reduce OSPF traffic
DROTHER


39. Wildcard masks filter

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40. What two things need to be done to enable dynamic routing?
A link is an interface on a router
Plaintext and MD5
32768
Select the routing protocol - then specify the network.


41. How does a Standard ACL work?
Every 30 Seconds
Checks the source address and then permits or denies the entire protocol suite
IP
4 times the hello interval


42. What are the major components of OSPF troubleshooting?
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
Bandwidth & Delay
Advertised Distance & Feasible distance


43. Dynamic ACL's are dependent on what?
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
It is the signaling standard that maintains connection and statues between the DCE and DTE
Telnet connectivity - authentication and extended ACLs
Only with Cisco IOS software release 12.3 (2) T


44. Why is EIGRP considered a Hybrid routing protocol?
It combines the advantages of Link-State and Distance vector routing protocols.
A layer 3 switch or router
Is a classless link-state protocol - creates a neighbor relationship by exchanging hello packets - propagates LSA's rather than routing table updates.
Cisco - ANSI - Q.933A


45. How does Link-State work?
Each router builds a map of the network and determines the shortest path to every network.
The Root bridge is the bridge with the lowest bridge ID
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
RIPv2 and EIGRP


46. What Layer does Frame Relay operate at?
Layers 1 & 2
Dijkstra's Algorithm
A group of end stations with a common set of requirements - independent of their physical location
One ACL per protocol - One ACL per direction - Once ACL per interface


47. Problem with RIP
Updates all DROTHER Routers when a change occurs
Susceptible to routing loops
Disable auto summarization
15.....16 hops and the interface is down


48. What type of algorithm does RIP use?
Select the routing protocol - then specify the network.
A layer 3 switch or router
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
Distance Vector


49. Admin distance of a connected Network?
Routes First/ Tests second
0
4
It is never useful to send information about a route back in the direction from which the original info came.


50. What is OSPF multicast address?
224.0.0.5
The lower MAC address
A combination of Link-state and distance vector
Telnet connectivity - authentication and extended ACLs