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CCNA

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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. OSPF will elect a what?
Designated Router (DR) and a Back-up designated Router (BDR)
To select the best path to the destination
It combines the advantages of Link-State and Distance vector routing protocols.
TRUE

2. Can a Router exchange routing information if they are using different Routing Protocols?
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
No
Cisco - ANSI - Q.933A
Disable auto summarization

3. How does the SPF determine the shortest path?
A link is an interface on a router
Connects the different areas
Checks the source and destination address then permits or denies specific protocols
Determines the cost which is the bandwidth

4. The AS number must what?
Link-State
Individual or group IP's
Match on all routers or it will not work
Select the routing protocol - then specify the network.

5. What is the multicast address for EIGRP?
IP
224.0.0.10
Determines the cost which is the bandwidth
Different Autonomous Systems

6. What is an Autonomous System?
Unspecified
Match on all routers or it will not work
...
To reduce OSPF traffic

7. In bridge root selection - if the bridge prioritys are the same - what determines root selection?
All backup routes for destinations.
IP
RIPv2 and EIGRP
The lower MAC address

8. What is a VLAN
2^n-2
A group of end stations with a common set of requirements - independent of their physical location
Loopback
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.

9. Describe features of RIPv1
Autonomous System
Null
RIPv2 and EIGRP
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication

10. Describe features of RIPv2
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
15.....16 hops and the interface is down
Associating the network address with a local DLCI.
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication

11. What does EIGRP use to calculate it's metric?
Bandwidth & Delay
RIPv2 and EIGRP
Every 5 seconds
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.

12. What is ::
Autonomous System
It combines the advantages of Link-State and Distance vector routing protocols.
Supports both unequal metric load balancing and equal metric balancing.
Unspecified

13. What address is FE80:/10
Individual or group IP's
Test Firsts/ Routes Second
Private: link local
Adjacency

14. What do area's do?
Reduce the link-state database and routing table
EIGRP - OSPF - RIP
224.0.0.5
One ACL per protocol - One ACL per direction - Once ACL per interface

15. Exterior Gateway Protocols are designed for use between
Only topology within their respective area.
Only with Cisco IOS software release 12.3 (2) T
Unicast - Multicast - Anycast
Different Autonomous Systems

16. For an adjacency to occur what do the routers have to agree on?
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
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.

17. What two things need to be done to enable dynamic routing?
Select the routing protocol - then specify the network.
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
To select the best path to the destination
Every 10 Seconds

18. How often are periodic updates sent out via RIP
Maximizing address efficiency - organization - summarization
Every 30 Seconds
One ACL per protocol - One ACL per direction - Once ACL per interface
Scalable and fast convergence

19. Spanning-Tree coast of 4
Six equal cost paths
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.
1Gb/s
Forces protocols to behave as if they were classless

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

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21. Static VLAN is what?
TRUE
2^n
Routes First/ Tests second
Port based

22. Summarization of network information usually occurs where?
Between areas?
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
Area Border Router
Plaintext and MD5

23. How often does a router send link-state advertisements?
1
By DLCI's
Maximizing address efficiency - organization - summarization
Every 30 minutes by default

24. What is one to nearest
Updates all DROTHER Routers when a change occurs
View
Anycast
IETF

25. An OSPF neighbor relationship can also be called what?
Determines the cost which is the bandwidth
Private: link local
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
Adjacency

26. What two parameters does EIGRP use to determine the best route?
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
Convergence
Advertised Distance & Feasible distance
Distance Vector

27. What three types of IPv6 address types are there?
120
Unicast - Multicast - Anycast
1
Match on all routers or it will not work

28. Why is this done?
1.) Enter the Routing Manually 2.) Use Dymamic Routing
15.....16 hops and the interface is down
To reduce OSPF traffic
MD5 and you have to enable it if you want to use it.

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

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30. Formula for determining Subnets
2^n
Null
1Gb/s
Determines the cost which is the bandwidth

31. What is Frame Relay?
Inter-VLAN routing
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
Area Border Router
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.

32. Routers are used for what?
Carry's traffic for multiple VLANS
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.
To select the best path to the destination
...

33. How do you apply the ACL to an interface
TRUE
RIPv2 & EIGRP
Associating the network address with a local DLCI.
Make sure you are in interface mode - then use this command ip access-group 1 out/in

34. How often are LMI's sent out?
Checks the source and destination address then permits or denies specific protocols
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
4
Every 10 Seconds

35. Every ACL will need what?
Checks the source and destination address then permits or denies specific protocols
A permit statement
Susceptible to routing loops
Only with Cisco IOS software release 12.3 (2) T

36. VTP Server Mode does what?

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37. How often are BPDU's sent?
Data Link Connection Identifier
It is the signaling standard that maintains connection and statues between the DCE and DTE
...
Ever 2 seconds

38. For a VLAN to span across multiple switches What is required?
A trunk
1.) Enter the Routing Manually 2.) Use Dymamic Routing
Private: link local
Reduce the link-state database and routing table

39. What are the two ways routers can learn about the destination information?
Ever 2 seconds
One ACL per protocol - One ACL per direction - Once ACL per interface
1.) Enter the Routing Manually 2.) Use Dymamic Routing
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.

40. What is one to many?
IETF
224.0.0.5
EIGRP - OSPF - RIP
Multicast

41. Classful Protocols summarize
1.) Enter the Routing Manually 2.) Use Dymamic Routing
RIPv2 & EIGRP
Automatically
Convergence

42. What type of algorithm does EIGRP use?
Advance Distance Vector
Packet Header
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
224.0.0.10

43. How does an outbound ACL work?
Routes First/ Tests second
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
IP
Reduce the link-state database and routing table

44. What are the three LMI standards
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
Aka Subnet mask
Cisco - ANSI - Q.933A
Checks the source and destination address then permits or denies specific protocols

45. The time delay for a router to match a network change?
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
Advance Distance Vector
Convergence
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

46. How do you configure OSPF
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
Cisco - ANSI - Q.933A
Test Firsts/ Routes Second

47. Spanning-Tree cost of 19
100Mb/s
2^n-2
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
Unicast - Multicast - Anycast

48. How does a Standard ACL work?
Checks the source address and then permits or denies the entire protocol suite
Bandwidth & Delay
It is the signaling standard that maintains connection and statues between the DCE and DTE
Unicast - Multicast - Anycast

49. When do you use Access-Class
A group of end stations with a common set of requirements - independent of their physical location
32768
Determines the cost which is the bandwidth
For line vty 0 4

50. Describe a Inbound ACL
Packets are processed before they are routed to an outbound interface.
Make sure you are in interface mode - then use this command ip access-group 1 out/in
A layer 3 switch or router
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.

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