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 Link state terminology - What is a link?

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2. How are Frame Relay Circuits identified?

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3. Classful Protocols summarize
Connects the different areas
Automatically
0
A protocol on how to communicate with other routers


4. Routers are used for what?
0
4
To select the best path to the destination
Advertised Distance & Feasible distance


5. What is ::1
Data Link Connection Identifier
Loopback
TRUE
A layer 3 switch or router


6. For an adjacency to occur what do the routers have to agree on?
Packet Header
TRUE
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Test Firsts/ Routes Second


7. What does DLCI stand for?
Multicast
0
Data Link Connection Identifier
Advertised Distance & Feasible distance


8. What is the purpose of LMI
TRUE
It is the signaling standard that maintains connection and statues between the DCE and DTE
4
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address


9. How do you apply the ACL to an interface
Every 5 seconds
Make sure you are in interface mode - then use this command ip access-group 1 out/in
110
Cisco - ANSI - Q.933A


10. Every ACL will need what?
The lower MAC address
Adjacency
A permit statement
Multiple virtual interfaces that are associated with one physical interface


11. What type of algorithm does EIGRP use?
The Diffusing Update Algorithm (DUAL)
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
Telnet connectivity - authentication and extended ACLs
Advance Distance Vector


12. Break down the word Link-State

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13. What is an Autonomous System?
...
RIPv2 & EIGRP
A combination of Link-state and distance vector
4 times the hello interval


14. How does an outbound ACL work?
Because a loopback interface is always active and cannot be in a down state like a real interface can.
Packets are processed before they are routed to an outbound interface.
Routes First/ Tests second
Propagation of partial updates that are sent only to those routers that the changes affect.


15. VTP Client Mode does what?

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16. Why is it important to have a loopback address when using OSPF?
Because a loopback interface is always active and cannot be in a down state like a real interface can.
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
Distance Vector
Determines the cost which is the bandwidth


17. Describe features of RIPv2
Only topology within their respective area.
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
Plaintext and MD5
A trunk


18. What Layer does Frame Relay operate at?
4 times the hello interval
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
Layers 1 & 2
IP


19. What algorithm does EIGRP use?
The Diffusing Update Algorithm (DUAL)
224.0.0.5
The Root bridge is the bridge with the lowest bridge ID
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers


20. Spanning-Tree coast of 4
Every 10 Seconds
Forces protocols to behave as if they were classless
1Gb/s
Distance Vector


21. Example of a Routing Protocol?
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
EIGRP - OSPF - RIP
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
The Root bridge is the bridge with the lowest bridge ID


22. How does inbound ACL work?
Aka Subnet mask
Layers 1 & 2
Each router builds a map of the network and determines the shortest path to every network.
Test Firsts/ Routes Second


23. OSPF will elect a what?
30-50 seconds
Designated Router (DR) and a Back-up designated Router (BDR)
2^n-2
Only with Cisco IOS software release 12.3 (2) T


24. How many hops are allowed with RIP?
Dijkstra's Algorithm
A layer 3 switch or router
EIGRP - OSPF - RIP
15.....16 hops and the interface is down


25. What does bounded refer to?
Propagation of partial updates that are sent only to those routers that the changes affect.
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
Updates all DROTHER Routers when a change occurs
Data Link Connection Identifier


26. Explain OSPF

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27. Summarization of network information usually occurs where?
The inverse of a subnet mask.
90
Advertised Distance & Feasible distance
Between areas?


28. How often does EIGRP send hellow packets?
Because a loopback interface is always active and cannot be in a down state like a real interface can.
TRUE
Every 30 Seconds
Every 5 seconds


29. Advance Distance Vector or Hybrid uses what?
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
Make sure you are in interface mode - then use this command ip access-group 1 out/in
A combination of Link-state and distance vector
110


30. In frame relay What is Inverse Arp
Autonomous System
A backbone area...Also known as Area 0
...
Associating the network address with a local DLCI.


31. OSPF routes packets within a single?
Each router builds a map of the network and determines the shortest path to every network.
120
It is the signaling standard that maintains connection and statues between the DCE and DTE
Autonomous System


32. Wildcard masks filter

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33. The time delay for a router to match a network change?
RIPv2 and EIGRP
Only topology within their respective area.
Convergence
1Gb/s


34. How often are OSPF hello packets sent out?
All backup routes for destinations.
Only with Cisco IOS software release 12.3 (2) T
Every 10 seconds
Because a loopback interface is always active and cannot be in a down state like a real interface can.


35. When do you use Access-Class
Every 30 Seconds
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
Convergence
For line vty 0 4


36. Why is EIGRP considered a Hybrid routing protocol?
Only with Cisco IOS software release 12.3 (2) T
It combines the advantages of Link-State and Distance vector routing protocols.
Different Autonomous Systems
Forces protocols to behave as if they were classless


37. How does the SPF determine the shortest path?
Between areas?
Null
Designated Router (DR) and a Back-up designated Router (BDR)
Determines the cost which is the bandwidth


38. What are the two ways routers can learn about the destination information?
Determines the cost which is the bandwidth
Link-State
1.) Enter the Routing Manually 2.) Use Dymamic Routing
Multicast


39. With OSPF - what must be defined?
A backbone area...Also known as Area 0
Bandwidth & Delay
Determines the cost which is the bandwidth
Advertised Distance & Feasible distance


40. What are two statements that are true of IPv6 address representation?
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
Aka Subnet mask
Designated Router (DR) and a Back-up designated Router (BDR)


41. What type of algorithm does RIP use?
16
Match on all routers or it will not work
Every 30 Seconds
Distance Vector


42. What address is FE80:/10
Port based
Only topology within their respective area.
Not scalable - hard to maintain as the network grows
Private: link local


43. What is ::
4
Because a loopback interface is always active and cannot be in a down state like a real interface can.
Unspecified
If int status is UP/UP..Check to make sure OSPF is enabled on the interface


44. What is a VLAN
RIPv2 & EIGRP
Every 10 seconds
A group of end stations with a common set of requirements - independent of their physical location
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs


45. What do area's do?
Reduce the link-state database and routing table
120
20 seconds: 10 missed BPDU's
One ACL per protocol - One ACL per direction - Once ACL per interface


46. Spanning-Tree cost of 100
Not scalable - hard to maintain as the network grows
10Mb/s
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
Advance Distance Vector


47. VTP Transparent Mode does what?

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48. An OSPF neighbor relationship can also be called what?
A link is an interface on a router
Ever 2 seconds
Different Autonomous Systems
Adjacency


49. The AS number must what?
Unicast - Multicast - Anycast
Match on all routers or it will not work
A combination of Link-state and distance vector
110


50. Explain how routing loops occur with RIP?
...
1
Adjacency
Propagation of partial updates that are sent only to those routers that the changes affect.