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 prefix length?
Forces protocols to behave as if they were classless
Aka Subnet mask
100Mb/s
EIGRP - OSPF - RIP


2. A router running EIGRP will store what?
DROTHER
Select the routing protocol - then specify the network.
All backup routes for destinations.
90


3. An autonomous system could also be referred to as what?
Domain
All backup routes for destinations.
Carry's traffic for multiple VLANS
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


4. By default OSPF uses what type of authentication?
Autonomous System
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
Six equal cost paths
Null


5. Every ACL will need what?
The inverse of a subnet mask.
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
A permit statement
Every 30 minutes by default


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

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7. Break down the word Link-State

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

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9. What does DLCI stand for?
It is never useful to send information about a route back in the direction from which the original info came.
Data Link Connection Identifier
IP
Packets are processed before they are routed to an outbound interface.


10. What is the default load balancing for RIP
Make sure you are in interface mode - then use this command ip access-group 1 out/in
Determines the cost which is the bandwidth
The Root bridge is the bridge with the lowest bridge ID
4


11. Problem with RIP
Automatically
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers
Ever 2 seconds
Susceptible to routing loops


12. Static VLAN is what?
A link is an interface on a router
Port based
EIGRP - OSPF - RIP
0


13. What are the major components of OSPF troubleshooting?
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
Data Link Connection Identifier
Select the routing protocol - then specify the network.
To reduce OSPF traffic


14. How does an outbound ACL work?
Every 5 seconds
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
IP
Routes First/ Tests second


15. What does a trunk do?

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

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17. Example of a Routing Protocol?
224.0.0.10
EIGRP - OSPF - RIP
It combines the advantages of Link-State and Distance vector routing protocols.
Connects the different areas


18. How are Frame Relay Circuits identified?

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19. Dynamic VLAN is what?
Dijkstra's Algorithm
MAC based
100Mb/s
Only topology within their respective area.


20. What algorithm does EIGRP use?
Supports both unequal metric load balancing and equal metric balancing.
Domain
The inverse of a subnet mask.
The Diffusing Update Algorithm (DUAL)


21. What is the multicast address for EIGRP?
224.0.0.10
MD5 and you have to enable it if you want to use it.
Propagation of partial updates that are sent only to those routers that the changes affect.
Plaintext and MD5


22. What is the default for equal cost paths for load balancing with OSPF?
The lower MAC address
Determines the cost which is the bandwidth
Telnet connectivity - authentication and extended ACLs
4


23. For a VLAN to span across multiple switches What is required?
The Diffusing Update Algorithm (DUAL)
Automatically
A trunk
A permit statement


24. Routing protocol is what?
The lower MAC address
A protocol on how to communicate with other routers
Every 5 seconds
Multicast


25. With OSPF - there must always be a area......
It combines the advantages of Link-State and Distance vector routing protocols.
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
Six equal cost paths
0


26. Problem with static routes
Every 30 minutes by default
Not scalable - hard to maintain as the network grows
To select the best path to the destination
All backup routes for destinations.


27. What do you need to do if there are discontigous networks with EIGRP?
Supports both unequal metric load balancing and equal metric balancing.
4
90
Disable auto summarization


28. What type of algorithm does RIP use?
15.....16 hops and the interface is down
Checks the source address and then permits or denies the entire protocol suite
Distance Vector
It is the signaling standard that maintains connection and statues between the DCE and DTE


29. What is a VLAN
A group of end stations with a common set of requirements - independent of their physical location
The lower MAC address
4 times the hello interval
10Mb/s


30. Admin distance of a Static Route?
1Gb/s
2^n
1
Multicast


31. What is an Autonomous System?
Multicast
...
Every 30 Seconds
Susceptible to routing loops


32. Rip is capable of load balancing over as many as?
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
For line vty 0 4
Six equal cost paths
Checks the source and destination address then permits or denies specific protocols


33. Summarization of network information usually occurs where?
Each router builds a map of the network and determines the shortest path to every network.
MD5 and you have to enable it if you want to use it.
Between areas?
To select the best path to the destination


34. The time delay for a router to match a network change?
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
Only topology within their respective area.
1Gb/s
Convergence


35. What are the three LMI standards
Every 30 Seconds
Cisco - ANSI - Q.933A
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers
View


36. Spanning-Tree cost of 19
2^n-2
Every 30 minutes by default
100Mb/s
Unicast - Multicast - Anycast


37. With OSPF - what must be defined?
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
A backbone area...Also known as Area 0
Aka Subnet mask


38. What address is FE80:/10
Private: link local
View
Is a classless link-state protocol - creates a neighbor relationship by exchanging hello packets - propagates LSA's rather than routing table updates.
0


39. OSPF routes packets within a single?
Carry's traffic for multiple VLANS
Autonomous System
32768
Routes First/ Tests second


40. Exterior Gateway Protocols are designed for use between
For line vty 0 4
Inter-VLAN routing
Different Autonomous Systems
One ACL per protocol - One ACL per direction - Once ACL per interface


41. How long is the dead interval
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
10Mb/s
4 times the hello interval
The lower MAC address


42. What are two statements that are true of IPv6 address representation?
Only with Cisco IOS software release 12.3 (2) T
The inverse of a subnet mask.
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
16


43. What is one to nearest
Supports both unequal metric load balancing and equal metric balancing.
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
Anycast
IP


44. When do you use Access-Class
For line vty 0 4
Associating the network address with a local DLCI.
120
The lower MAC address


45. The advantages of VLSM
Maximizing address efficiency - organization - summarization
Loopback
To reduce OSPF traffic
90


46. Dynamic ACL's are dependent on what?
1.) Enter the Routing Manually 2.) Use Dymamic Routing
Telnet connectivity - authentication and extended ACLs
30-50 seconds
Only topology within their respective area.


47. How does the SPF determine the shortest path?
MAC based
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
Every 30 minutes by default
Determines the cost which is the bandwidth


48. VTP Server Mode does what?

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49. What does the back bone router do?
IP
Multicast
Connects the different areas
Data Link Connection Identifier


50. Explain how routing loops occur with RIP?
1
...
To select the best path to the destination
Data Link Connection Identifier