Test your basic knowledge |

CCNA

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 does bounded refer to?
Propagation of partial updates that are sent only to those routers that the changes affect.
100Mb/s
Domain
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.

2. How does inbound ACL work?
Every 5 seconds
Test Firsts/ Routes Second
A backbone area...Also known as Area 0
Data Link Connection Identifier

3. How is the root bridge determined?
The Root bridge is the bridge with the lowest bridge ID
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
MD5 and you have to enable it if you want to use it.
A combination of Link-state and distance vector

4. How does an outbound ACL work?
Routes First/ Tests second
Forces protocols to behave as if they were classless
Data Link Connection Identifier
Cisco - ANSI - Q.933A

5. What is the default Bridge priority?
32768
Loopback
Unicast - Multicast - Anycast
Every 5 seconds

6. In bridge root selection - if the bridge prioritys are the same - what determines root selection?
The lower MAC address
Every 10 seconds
Carry's traffic for multiple VLANS
224.0.0.5

7. VTP Client Mode does what?

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8. How do you configure a sub interface?
Layers 1 & 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
Area Border Router
A protocol on how to communicate with other routers

9. What is the maximum number of paths EIGRP can have for the same destination in it's routing table?
Reduce the link-state database and routing table
MD5 and you have to enable it if you want to use it.
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
16

10. How often are LMI's sent out?
Propagation of partial updates that are sent only to those routers that the changes affect.
Convergence
Every 10 Seconds
Area Border Router

11. What address is FE80:/10
Plaintext and MD5
...
224.0.0.10
Private: link local

12. Benefits of OSPF?
To reduce OSPF traffic
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
Scalable and fast convergence

13. In regards to ACL's What are the three protocols?
20 seconds: 10 missed BPDU's
Six equal cost paths
One ACL per protocol - One ACL per direction - Once ACL per interface
Bandwidth & Delay

14. Routers are used for what?
To select the best path to the destination
A group of end stations with a common set of requirements - independent of their physical location
Port based
IETF

15. What are the two ways routers can learn about the destination information?
120
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers
2^n-2
1.) Enter the Routing Manually 2.) Use Dymamic Routing

16. Can a Router exchange routing information if they are using different Routing Protocols?
224.0.0.10
No
The lower MAC address
Between areas?

17. Rip is capable of load balancing over as many as?
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
Advertised Distance & Feasible distance
100Mb/s
Six equal cost paths

18. Spanning-Tree cost of 19
EIGRP - OSPF - RIP
A permit statement
Unicast - Multicast - Anycast
100Mb/s

19. What is the default for equal cost paths for load balancing with OSPF?
Unicast - Multicast - Anycast
Plaintext and MD5
4
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.

20. What two classless protocols act classful by default?
100Mb/s
Plaintext and MD5
Every 10 seconds
RIPv2 & EIGRP

21. Describe features of RIPv1
RIPv2 & EIGRP
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
Unicast - Multicast - Anycast
0

22. What does DLCI stand for?
Match on all routers or it will not work
Data Link Connection Identifier
The update only includes info about the route change
2^n-2

23. The AS number must what?
Ever 2 seconds
Match on all routers or it will not work
Determines the cost which is the bandwidth
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL

24. What two parameters does EIGRP use to determine the best route?
10Mb/s
Advertised Distance & Feasible distance
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
The update only includes info about the route change

25. How often are periodic updates sent out via RIP
A permit statement
Every 30 Seconds
IETF
Make sure you are in interface mode - then use this command ip access-group 1 out/in

26. Explain OSPF

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27. Formula for determining Subnets
Advance Distance Vector
2^n
Individual or group IP's
10Mb/s

28. What type of algorithm does RIP use?
32768
Automatically
Distance Vector
Domain

29. Routing protocol is what?
The inverse of a subnet mask.
A protocol on how to communicate with other routers
Bandwidth & Delay
Convergence

30. Max_age time for BPDU's

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31. What is the Wildcard mask
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
For line vty 0 4
The inverse of a subnet mask.

32. What does the back bone router do?
No
Connects the different areas
Every 10 seconds
10Mb/s

33. What three types of IPv6 address types are there?
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
Unicast - Multicast - Anycast
Scalable and fast convergence
A backbone area...Also known as Area 0

34. What two things need to be done to enable dynamic routing?
15.....16 hops and the interface is down
The inverse of a subnet mask.
Link-State
Select the routing protocol - then specify the network.

35. VTP Transparent Mode does what?

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36. Admin distance of RIPv2
120
Automatically
Autonomous System
All backup routes for destinations.

37. Example of a Routing Protocol?
Forces protocols to behave as if they were classless
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
...
EIGRP - OSPF - RIP

38. What is the default load balancing for RIP
The update only includes info about the route change
1.) Enter the Routing Manually 2.) Use Dymamic Routing
4
Distance Vector

39. What is the multicast address for EIGRP?
224.0.0.10
Bandwidth & Delay
Between areas?
A protocol on how to communicate with other routers

40. What does EIGRP use to calculate it's metric?
Only topology within their respective area.
Six equal cost paths
Bandwidth & Delay
No

41. Dynamic ACL's are dependent on what?
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
Telnet connectivity - authentication and extended ACLs
It is never useful to send information about a route back in the direction from which the original info came.
Advertised Distance & Feasible distance

42. Explain how routing loops occur with RIP?
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
Individual or group IP's
90
...

43. Static VLAN is what?
Aka Subnet mask
Routes First/ Tests second
Port based
Plaintext and MD5

44. Describe an Outbound ACL
16
IETF
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
Telnet connectivity - authentication and extended ACLs

45. The advantages of VLSM
Maximizing address efficiency - organization - summarization
MAC based
Every 30 Seconds
Distance Vector

46. How often are BPDU's sent?
1.) Enter the Routing Manually 2.) Use Dymamic Routing
Port based
Test Firsts/ Routes Second
Ever 2 seconds

47. What type of authentication does EIGRP use?
Determines the cost which is the bandwidth
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
MD5 and you have to enable it if you want to use it.
A link is an interface on a router

48. Can you delete individual entries in a specific ACL?
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
Only with Cisco IOS software release 12.3 (2) T
View
Every 5 seconds

49. What is an Autonomous System?
Susceptible to routing loops
90
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.
...

50. How does a Standard ACL work?
Only with Cisco IOS software release 12.3 (2) T
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
Checks the source address and then permits or denies the entire protocol suite
RIPv2 & EIGRP