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 non designated routers called?
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
DROTHER
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.


2. What is an Autonomous System?
90
Cisco - ANSI - Q.933A
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.
...


3. Formula for determining Subnets
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
2^n
For line vty 0 4
Every 30 Seconds


4. Describe an Outbound ACL
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
MD5 and you have to enable it if you want to use it.
Adjacency
Select the routing protocol - then specify the network.


5. Routers running distances vector routing protocol send periodic updates even if there are no changes in the network. True or False?
Designated Router (DR) and a Back-up designated Router (BDR)
Loopback
TRUE
224.0.0.5


6. Max_age time for BPDU's

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7. What is prefix length?
Layers 1 & 2
...
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
Aka Subnet mask


8. For an adjacency to occur what do the routers have to agree on?
16
Ever 2 seconds
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
100Mb/s


9. Can a Router exchange routing information if they are using different Routing Protocols?
No
Aka Subnet mask
Designated Router (DR) and a Back-up designated Router (BDR)
IP


10. In frame relay What is Inverse Arp
No
Associating the network address with a local DLCI.
IP
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.


11. How does inbound ACL work?
Only with Cisco IOS software release 12.3 (2) T
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.
The Diffusing Update Algorithm (DUAL)
Test Firsts/ Routes Second


12. How often does EIGRP send hellow packets?
Null
The lower MAC address
Every 5 seconds
0


13. What is one to nearest
A link is an interface on a router
Anycast
Port based
The update only includes info about the route change


14. What does the DR do?
Updates all DROTHER Routers when a change occurs
A layer 3 switch or router
Null
Checks the source and destination address then permits or denies specific protocols


15. How are Frame Relay Circuits identified?

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16. Explain OSPF

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17. What are two OSPF authentication methods?
A layer 3 switch or router
Plaintext and MD5
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
Only topology within their respective area.


18. In regards to troubleshooting OSPF what should you check?
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
...
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
30-50 seconds


19. What algorithm does EIGRP use?
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
Ever 2 seconds
Carry's traffic for multiple VLANS
The Diffusing Update Algorithm (DUAL)


20. Wildcard masks filter

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21. What type of authentication does EIGRP use?
MD5 and you have to enable it if you want to use it.
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
224.0.0.5
Not scalable - hard to maintain as the network grows


22. What is an ABR
Link-State
Convergence
Bandwidth & Delay
Area Border Router


23. How do you configure OSPF
Convergence
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
To select the best path to the destination
The Diffusing Update Algorithm (DUAL)


24. An autonomous system could also be referred to as what?
110
Domain
Inter-VLAN routing
Link-State


25. What are the two ways routers can learn about the destination information?
1.) Enter the Routing Manually 2.) Use Dymamic Routing
IP
Every 10 seconds
4


26. The advantages of VLSM
Match on all routers or it will not work
Packet Header
Data Link Connection Identifier
Maximizing address efficiency - organization - summarization


27. The time delay for a router to match a network change?
Domain
4 times the hello interval
Convergence
100Mb/s


28. Nonbackbone - internal routers are aware of what topology
Only topology within their respective area.
224.0.0.10
Packets are processed before they are routed to an outbound interface.
0


29. Normal time for STP convergence
Loopback
Carry's traffic for multiple VLANS
30-50 seconds
Automatically


30. OSPF routes packets within a single?
Every 10 Seconds
Autonomous System
Only with Cisco IOS software release 12.3 (2) T
Convergence


31. What does bounded refer to?
Propagation of partial updates that are sent only to those routers that the changes affect.
15.....16 hops and the interface is down
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
Automatically


32. Admin distance of a connected Network?
Domain
0
Convergence
Each router builds a map of the network and determines the shortest path to every network.


33. How do you configure a sub interface?
0
View
By DLCI's
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


34. A router running EIGRP will store what?
The Diffusing Update Algorithm (DUAL)
All backup routes for destinations.
0
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.


35. How does EIGRP work with regards to Load Balancing
...
Susceptible to routing loops
Supports both unequal metric load balancing and equal metric balancing.
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.


36. What Layer does Frame Relay operate at?
Associating the network address with a local DLCI.
Layers 1 & 2
1.) Enter the Routing Manually 2.) Use Dymamic Routing
Plaintext and MD5


37. What is the Wildcard mask
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.
1Gb/s
The inverse of a subnet mask.
4 times the hello interval


38. How often are OSPF hello packets sent out?
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
Every 10 seconds
Different Autonomous Systems
Bandwidth & Delay


39. What is the maximum number of paths EIGRP can have for the same destination in it's routing table?
Unspecified
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.
16
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.


40. What is passing VLAN traffic to another called?
Inter-VLAN routing
MD5 and you have to enable it if you want to use it.
Anycast
Between areas?


41. How is the root bridge determined?
100Mb/s
Select the routing protocol - then specify the network.
0
The Root bridge is the bridge with the lowest bridge ID


42. With OSPF - what must be defined?
A backbone area...Also known as Area 0
IP
All backup routes for destinations.
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.


43. How often are BPDU's sent?
30-50 seconds
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Port based
Ever 2 seconds


44. Problem with static routes
Not scalable - hard to maintain as the network grows
Updates all DROTHER Routers when a change occurs
120
90


45. What is OSPF multicast address?
224.0.0.5
Different Autonomous Systems
Aka Subnet mask
Plaintext and MD5


46. Advance Distance Vector or Hybrid uses what?
4 times the hello interval
It combines the advantages of Link-State and Distance vector routing protocols.
Only with Cisco IOS software release 12.3 (2) T
A combination of Link-state and distance vector


47. How often are LMI's sent out?
Only with Cisco IOS software release 12.3 (2) T
2^n-2
A link is an interface on a router
Every 10 Seconds


48. Spanning-Tree coast of 4
120
Convergence
1Gb/s
IP


49. VTP Server Mode does what?

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50. In Link state terminology - What is a link?
IP
A link is an interface on a router
Disable auto summarization
Carry's traffic for multiple VLANS