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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. How do you apply the ACL to an interface
Anycast
16
1Gb/s
Make sure you are in interface mode - then use this command ip access-group 1 out/in

2. What type of algorithm does RIP use?
Distance Vector
4
It is the signaling standard that maintains connection and statues between the DCE and DTE
Dijkstra's Algorithm

3. What are subinterfaces?
Multiple virtual interfaces that are associated with one physical interface
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
Distance Vector
Area Border Router

4. With ACL's where does the router extract information
Port based
It is never useful to send information about a route back in the direction from which the original info came.
Packet Header
Select the routing protocol - then specify the network.

5. Can you delete individual entries in a specific ACL?
Only with Cisco IOS software release 12.3 (2) T
A group of end stations with a common set of requirements - independent of their physical location
2^n-2
Every 5 seconds

6. What two parameters does EIGRP use to determine the best route?
For line vty 0 4
Advertised Distance & Feasible distance
Updates all DROTHER Routers when a change occurs
Supports both unequal metric load balancing and equal metric balancing.

7. What does this mean? R 192.168.1.0/24 [120/2] via 10.1.1.2
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.
A link is an interface on a router
Only with Cisco IOS software release 12.3 (2) T
RIPv2 and EIGRP

8. Admin distance of EIGRP?
MAC based
No
The inverse of a subnet mask.
90

9. How often does a router send link-state advertisements?
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
Domain
Designated Router (DR) and a Back-up designated Router (BDR)
Every 30 minutes by default

10. The time delay for a router to match a network change?
Convergence
1.) Enter the Routing Manually 2.) Use Dymamic Routing
Because a loopback interface is always active and cannot be in a down state like a real interface can.
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.

11. Formula for determining Subnets
100Mb/s
2^n
A permit statement
By DLCI's

12. Purpose of a Routing Protocol?
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.
To select the best path to the destination
...
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available

13. What three types of IPv6 address types are there?
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.
Unicast - Multicast - Anycast
Dijkstra's Algorithm
DROTHER

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

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15. How do you configure OSPF
Forces protocols to behave as if they were classless
Carry's traffic for multiple VLANS
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
Aka Subnet mask

16. Explain how routing loops occur with RIP?
...
A combination of Link-state and distance vector
20 seconds: 10 missed BPDU's
It is the signaling standard that maintains connection and statues between the DCE and DTE

17. Every ACL will need what?
Designated Router (DR) and a Back-up designated Router (BDR)
20 seconds: 10 missed BPDU's
A permit statement
No

18. What is the default Bridge priority?
Port based
32768
2^n-2
Telnet connectivity - authentication and extended ACLs

19. What are the two ways routers can learn about the destination information?
Because a loopback interface is always active and cannot be in a down state like a real interface can.
1.) Enter the Routing Manually 2.) Use Dymamic Routing
Updates all DROTHER Routers when a change occurs
Private: link local

20. Admin distance of OSPF?
110
Multicast
EIGRP - OSPF - RIP
If int status is UP/UP..Check to make sure OSPF is enabled on the interface

21. What are non designated routers called?
One ACL per protocol - One ACL per direction - Once ACL per interface
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
DROTHER
The update only includes info about the route change

22. How does a Standard ACL work?
Checks the source address and then permits or denies the entire protocol suite
TRUE
10Mb/s
Checks the source and destination address then permits or denies specific protocols

23. What is the maximum number of paths EIGRP can have for the same destination in it's routing table?
16
Data Link Connection Identifier
Area Border Router
Cisco - ANSI - Q.933A

24. What Layer does Frame Relay operate at?
Plaintext and MD5
Layers 1 & 2
1
View

25. Example of a Routing Protocol?
EIGRP - OSPF - RIP
Maximizing address efficiency - organization - summarization
A trunk
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs

26. What is a VLAN
For line vty 0 4
A group of end stations with a common set of requirements - independent of their physical location
Port based
Unicast - Multicast - Anycast

27. For an adjacency to occur what do the routers have to agree on?
Scalable and fast convergence
Connects the different areas
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication

28. What is the multicast address for EIGRP?
1Gb/s
224.0.0.10
Each router builds a map of the network and determines the shortest path to every network.
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication

29. What does partial refer to?
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
The update only includes info about the route change
It is never useful to send information about a route back in the direction from which the original info came.
It is the signaling standard that maintains connection and statues between the DCE and DTE

30. What do area's do?
Disable auto summarization
Between areas?
Reduce the link-state database and routing table
A group of end stations with a common set of requirements - independent of their physical location

31. Exterior Gateway Protocols are designed for use between
Propagation of partial updates that are sent only to those routers that the changes affect.
Packets are processed before they are routed to an outbound interface.
Different Autonomous Systems
Disable auto summarization

32. What distant vector protocols exhibit classless behavior?
Loopback
RIPv2 and EIGRP
224.0.0.10
Private: link local

33. Static VLAN is what?
Domain
Port based
Reduce the link-state database and routing table
Inter-VLAN routing

34. What are the three LMI standards
Scalable and fast convergence
Only topology within their respective area.
Cisco - ANSI - Q.933A
Every 30 minutes by default

35. How often does EIGRP send hellow packets?
For line vty 0 4
Every 5 seconds
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
30-50 seconds

36. With OSPF - each router builds its SPF tree using the same link-state information - but each will have a separate ________ of the topology
View
IETF
A backbone area...Also known as Area 0
Between areas?

37. What is passing VLAN traffic to another called?
TRUE
15.....16 hops and the interface is down
Inter-VLAN routing
A protocol on how to communicate with other routers

38. Spanning-Tree cost of 100
All backup routes for destinations.
4
10Mb/s
Disable auto summarization

39. Routers are used for what?
To select the best path to the destination
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
1
Unicast - Multicast - Anycast

40. What is Frame Relay?
A combination of Link-state and distance vector
IETF
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
Select the routing protocol - then specify the network.

41. What does the back bone router do?
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
4 times the hello interval
4
Connects the different areas

42. What are the major components of OSPF troubleshooting?
Every 30 minutes by default
Select the routing protocol - then specify the network.
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
By DLCI's

43. Why is EIGRP considered a Hybrid routing protocol?
RIPv2 and EIGRP
32768
Autonomous System
It combines the advantages of Link-State and Distance vector routing protocols.

44. Explain OSPF

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45. In regards to troubleshooting OSPF what should you check?
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
...

46. Example of a Routed Protocol?
2^n-2
IP
A backbone area...Also known as Area 0
Individual or group IP's

47. Classful Protocols summarize
Every 30 Seconds
Is a classless link-state protocol - creates a neighbor relationship by exchanging hello packets - propagates LSA's rather than routing table updates.
Scalable and fast convergence
Automatically

48. How do you configure a sub interface?
The Diffusing Update Algorithm (DUAL)
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
Anycast
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

49. Problem with RIP
Every 30 minutes by default
1.) Enter the Routing Manually 2.) Use Dymamic Routing
Susceptible to routing loops
2^n

50. OSPF will elect a what?
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
Scalable and fast convergence
Unspecified
Designated Router (DR) and a Back-up designated Router (BDR)