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. In regards to troubleshooting OSPF what should you check?
The Diffusing Update Algorithm (DUAL)
1.) Enter the Routing Manually 2.) Use Dymamic Routing
Data Link Connection Identifier
If int status is UP/UP..Check to make sure OSPF is enabled on the interface


2. Purpose of a Routing Protocol?
Cisco - ANSI - Q.933A
1
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication


3. In bridge root selection - if the bridge prioritys are the same - what determines root selection?
Loopback
The lower MAC address
30-50 seconds
Unspecified


4. What does a trunk do?

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5. Problem with RIP
Carry's traffic for multiple VLANS
Susceptible to routing loops
Select the routing protocol - then specify the network.
IETF


6. Can a Router exchange routing information if they are using different Routing Protocols?
TRUE
Every 30 Seconds
No
A combination of Link-state and distance vector


7. By default - EIGRP will perform automatic summarization on classful boundaries. True or False
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
TRUE
Layers 1 & 2
Checks the source and destination address then permits or denies specific protocols


8. VTP Transparent Mode does what?

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9. What two classless protocols act classful by default?
Supports both unequal metric load balancing and equal metric balancing.
RIPv2 & EIGRP
No
A layer 3 switch or router


10. What are the three LMI standards
A trunk
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
Cisco - ANSI - Q.933A
Telnet connectivity - authentication and extended ACLs


11. Normal time for STP convergence
30-50 seconds
One ACL per protocol - One ACL per direction - Once ACL per interface
Null
Only with Cisco IOS software release 12.3 (2) T


12. What is the maximum number of paths EIGRP can have for the same destination in it's routing table?
Unicast - Multicast - Anycast
16
View
Different Autonomous Systems


13. What is one to nearest
Anycast
Multiple virtual interfaces that are associated with one physical interface
Multicast
Different Autonomous Systems


14. What is ::
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Unspecified
Loopback
Every 30 Seconds


15. What is a VLAN
100Mb/s
Updates all DROTHER Routers when a change occurs
224.0.0.5
A group of end stations with a common set of requirements - independent of their physical location


16. What is ::1
Loopback
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
Advertised Distance & Feasible distance
All backup routes for destinations.


17. What three types of IPv6 address types are there?
Associating the network address with a local DLCI.
Unicast - Multicast - Anycast
20 seconds: 10 missed BPDU's
A permit statement


18. When do you use Access-Class
Multicast
Automatically
TRUE
For line vty 0 4


19. What is one to many?
Multicast
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
Cisco - ANSI - Q.933A
Private: link local


20. What is the default load balancing for RIP
Data Link Connection Identifier
Convergence
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
4


21. What Layer does Frame Relay operate at?
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
Propagation of partial updates that are sent only to those routers that the changes affect.
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.
Layers 1 & 2


22. Explain how routing loops occur with RIP?
...
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
Link-State
Checks the source and destination address then permits or denies specific protocols


23. Formula for determining hosts
2^n-2
120
Only topology within their respective area.
20 seconds: 10 missed BPDU's


24. Max_age time for BPDU's

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25. VTP Client Mode does what?

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26. What is an Autonomous System?
Every 5 seconds
0
...
Scalable and fast convergence


27. What are non designated routers called?
DROTHER
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
Each router builds a map of the network and determines the shortest path to every network.
Reduce the link-state database and routing table


28. How is an EUI-64 format interface ID created from a 48-Bit MAC address
Only topology within their respective area.
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
Bandwidth & Delay


29. What is passing VLAN traffic to another called?
1Gb/s
Inter-VLAN routing
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
Individual or group IP's


30. How does EIGRP work with regards to Load Balancing
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.
Layers 1 & 2
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
Supports both unequal metric load balancing and equal metric balancing.


31. Describe an Outbound ACL
Between areas?
Match on all routers or it will not work
MD5 and you have to enable it if you want to use it.
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL


32. With OSPF - each router builds its SPF tree using the same link-state information - but each will have a separate ________ of the topology
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
View
Autonomous System
20 seconds: 10 missed BPDU's


33. OSPF routes packets within a single?
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
1
Select the routing protocol - then specify the network.
Autonomous System


34. By default OSPF uses what type of authentication?
A link is an interface on a router
Null
View
Select the routing protocol - then specify the network.


35. The no auto-summary command does what?
Determines the cost which is the bandwidth
Dijkstra's Algorithm
Forces protocols to behave as if they were classless
No


36. How often are LMI's sent out?
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
A combination of Link-state and distance vector
Every 10 Seconds
Unicast - Multicast - Anycast


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

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38. VTP Server Mode does what?

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39. Describe features of RIPv2
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
Distance Vector
90
The lower MAC address


40. What is an ABR
1Gb/s
Make sure you are in interface mode - then use this command ip access-group 1 out/in
Area Border Router
2^n


41. How long is the dead interval
A trunk
4 times the hello interval
A permit statement
Automatically


42. How often does a router send link-state advertisements?
Checks the source and destination address then permits or denies specific protocols
Every 30 minutes by default
Every 30 Seconds
2^n-2


43. Nonbackbone - internal routers are aware of what topology
A permit statement
Only topology within their respective area.
120
Make sure you are in interface mode - then use this command ip access-group 1 out/in


44. What distant vector protocols exhibit classless behavior?
Only topology within their respective area.
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
RIPv2 and EIGRP
MAC based


45. An autonomous system could also be referred to as what?
By DLCI's
Multicast
Routes First/ Tests second
Domain


46. Rip is capable of load balancing over as many as?
Connects the different areas
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
Six equal cost paths
IP


47. What two things need to be done to enable dynamic routing?
Domain
4 times the hello interval
Select the routing protocol - then specify the network.
Scalable and fast convergence


48. What is the dead interval
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
224.0.0.10
Only with Cisco IOS software release 12.3 (2) T
It is the signaling standard that maintains connection and statues between the DCE and DTE


49. The time delay for a router to match a network change?
Convergence
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Advance Distance Vector
A backbone area...Also known as Area 0


50. Admin distance of EIGRP?
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
Supports both unequal metric load balancing and equal metric balancing.
90
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.