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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. What does bounded refer to?
Propagation of partial updates that are sent only to those routers that the changes affect.
Ever 2 seconds
Convergence
All backup routes for destinations.

2. How do you apply the ACL to an interface
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
120
Reduce the link-state database and routing table
Make sure you are in interface mode - then use this command ip access-group 1 out/in

3. What is the maximum number of paths EIGRP can have for the same destination in it's routing table?
Autonomous System
16
32768
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. In regards to ACL's What are the three protocols?
4
One ACL per protocol - One ACL per direction - Once ACL per interface
1.) Enter the Routing Manually 2.) Use Dymamic Routing
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address

5. What is one to many?
Inter-VLAN routing
It is never useful to send information about a route back in the direction from which the original info came.
Not scalable - hard to maintain as the network grows
Multicast

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

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7. Purpose of a Routing Protocol?
10Mb/s
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
Every 5 seconds
Private: link local

8. In frame relay What is Inverse Arp
Reduce the link-state database and routing table
Associating the network address with a local DLCI.
100Mb/s
224.0.0.5

9. What is Frame Relay?
Checks the source address and then permits or denies the entire protocol suite
Susceptible to routing loops
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
1.) Enter the Routing Manually 2.) Use Dymamic Routing

10. Formula for determining hosts
2^n-2
Unspecified
To select the best path to the destination
Data Link Connection Identifier

11. Admin distance of RIPv2
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
Every 10 Seconds
120
Carry's traffic for multiple VLANS

12. Who designed OSPF?
Dijkstra's Algorithm
No
IETF
Distance Vector

13. VTP Client Mode does what?

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14. In Link state terminology - What is a link?
A link is an interface on a router
Maximizing address efficiency - organization - summarization
A combination of Link-state and distance vector
4 times the hello interval

15. What type of algorithm does RIP use?
RIPv2 & EIGRP
Unspecified
Only with Cisco IOS software release 12.3 (2) T
Distance Vector

16. What is a VLAN
A group of end stations with a common set of requirements - independent of their physical location
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
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.

17. How do you configure OSPF
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
Six equal cost paths
Autonomous System
Routes First/ Tests second

18. In bridge root selection - if the bridge prioritys are the same - what determines root selection?
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers
The inverse of a subnet mask.
Designated Router (DR) and a Back-up designated Router (BDR)
The lower MAC address

19. Benefits of OSPF?
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.
Scalable and fast 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
Convergence

20. Spanning-Tree cost of 100
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
Maximizing address efficiency - organization - summarization
10Mb/s
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication

21. The time delay for a router to match a network change?
224.0.0.5
A trunk
Convergence
Plaintext and MD5

22. OSPF will elect a what?
A group of end stations with a common set of requirements - independent of their physical location
Designated Router (DR) and a Back-up designated Router (BDR)
Inter-VLAN routing
MD5 and you have to enable it if you want to use it.

23. What is the default for equal cost paths for load balancing with OSPF?
It combines the advantages of Link-State and Distance vector routing protocols.
4
Checks the source and destination address then permits or denies specific protocols
To select the best path to the destination

24. An OSPF neighbor relationship can also be called what?
It is the signaling standard that maintains connection and statues between the DCE and DTE
Adjacency
Data Link Connection Identifier
No

25. The advantages of VLSM
Area Border Router
A trunk
A layer 3 switch or router
Maximizing address efficiency - organization - summarization

26. What algorithm does EIGRP use?
TRUE
Between areas?
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
The Diffusing Update Algorithm (DUAL)

27. What is one to nearest
Make sure you are in interface mode - then use this command ip access-group 1 out/in
Anycast
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration

28. Why is EIGRP considered a Hybrid routing protocol?
30-50 seconds
0
It combines the advantages of Link-State and Distance vector routing protocols.
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available

29. Admin distance of EIGRP?
110
90
It is never useful to send information about a route back in the direction from which the original info came.
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.

30. Classful Protocols summarize
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.
120
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
Automatically

31. How often does EIGRP send hellow packets?
Associating the network address with a local DLCI.
32768
Null
Every 5 seconds

32. A router running EIGRP will store what?
Routes First/ Tests second
All backup routes for destinations.
Loopback
Only topology within their respective area.

33. What distant vector protocols exhibit classless behavior?
View
RIPv2 and EIGRP
DROTHER
Domain

34. What is passing VLAN traffic to another called?
The Root bridge is the bridge with the lowest bridge ID
10Mb/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
Inter-VLAN routing

35. Example of a Routing Protocol?
DROTHER
View
EIGRP - OSPF - RIP
1Gb/s

36. The no auto-summary command does what?
100Mb/s
Dijkstra's Algorithm
Plaintext and MD5
Forces protocols to behave as if they were classless

37. What three types of IPv6 address types are there?
Unicast - Multicast - Anycast
TRUE
Not scalable - hard to maintain as the network grows
90

38. With OSPF - each router builds its SPF tree using the same link-state information - but each will have a separate ________ of the topology
Between areas?
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
224.0.0.5
View

39. How long is the dead interval
4 times the hello interval
A combination of Link-state and distance vector
16
It combines the advantages of Link-State and Distance vector routing protocols.

40. Explain OSPF

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41. What are two statements that are true of IPv6 address representation?
TRUE
0
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
Match on all routers or it will not work

42. How often are BPDU's sent?
Ever 2 seconds
Reduce the link-state database and routing table
MD5 and you have to enable it if you want to use it.
100Mb/s

43. What does the back bone router do?
Checks the source address and then permits or denies the entire protocol suite
2^n-2
Connects the different areas
90

44. Spanning-Tree cost of 19
100Mb/s
It is the signaling standard that maintains connection and statues between the DCE and DTE
Every 5 seconds
It is never useful to send information about a route back in the direction from which the original info came.

45. What does the DR do?
4 times the hello interval
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
Updates all DROTHER Routers when a change occurs

46. How often does a router send link-state advertisements?
1
Because a loopback interface is always active and cannot be in a down state like a real interface can.
Every 30 minutes by default
DROTHER

47. What type of algorithm does OSPF & IS-IS use?
Inter-VLAN routing
IETF
RIPv2 and EIGRP
Link-State

48. An autonomous system could also be referred to as what?
Domain
Link-State
90
TRUE

49. Max_age time for BPDU's

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50. What is ::1
Telnet connectivity - authentication and extended ACLs
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.
Area Border Router
Loopback

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