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 is a VLAN
A backbone area...Also known as Area 0
Propagation of partial updates that are sent only to those routers that the changes affect.
1
A group of end stations with a common set of requirements - independent of their physical location

2. In frame relay What is Inverse Arp
Plaintext and MD5
Advertised Distance & Feasible distance
For line vty 0 4
Associating the network address with a local DLCI.

3. What is the purpose of LMI
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.
It is the signaling standard that maintains connection and statues between the DCE and DTE
TRUE
Updates all DROTHER Routers when a change occurs

4. By default OSPF uses what type of authentication?
Null
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
Not scalable - hard to maintain as the network grows
DROTHER

5. What two classless protocols act classful by default?
Unspecified
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
RIPv2 & EIGRP
Every 30 Seconds

6. What are two statements that are true of IPv6 address representation?
Packets are processed before they are routed to an outbound interface.
Every 30 Seconds
Connects the different areas
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.

7. VTP Client Mode does what?

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8. Describe features of RIPv1
DROTHER
Unspecified
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
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.

9. What are the three LMI standards
Scalable and fast convergence
Cisco - ANSI - Q.933A
0
Routes First/ Tests second

10. How does a Standard ACL work?
224.0.0.10
Checks the source address and then permits or denies the entire protocol suite
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
Packets are processed before they are routed to an outbound interface.

11. What does bounded refer to?
Propagation of partial updates that are sent only to those routers that the changes affect.
Associating the network address with a local DLCI.
2^n-2
Individual or group IP's

12. Break down the word Link-State

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13. OSPF will elect a what?
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
Designated Router (DR) and a Back-up designated Router (BDR)
Susceptible to routing loops
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.

14. Every ACL will need what?
Scalable and fast convergence
A permit statement
Advance Distance Vector
224.0.0.10

15. What is the multicast address for EIGRP?
Updates all DROTHER Routers when a change occurs
Advertised Distance & Feasible distance
224.0.0.10
View

16. Spanning-Tree cost of 19
Between areas?
Updates all DROTHER Routers when a change occurs
100Mb/s
Because a loopback interface is always active and cannot be in a down state like a real interface can.

17. With OSPF - what must be defined?
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
A backbone area...Also known as Area 0
Match on all routers or it will not work
Inter-VLAN routing

18. How does Link-State work?
Only topology within their respective area.
110
Each router builds a map of the network and determines the shortest path to every network.
A group of end stations with a common set of requirements - independent of their physical location

19. What does the DR do?
Updates all DROTHER Routers when a change occurs
16
Six equal cost paths
Every 30 Seconds

20. What is passing VLAN traffic to another called?
Forces protocols to behave as if they were classless
Inter-VLAN routing
4
The inverse of a subnet mask.

21. Classful Protocols summarize
Automatically
IETF
15.....16 hops and the interface is down
Between areas?

22. The AS number must what?
1.) Enter the Routing Manually 2.) Use Dymamic Routing
1
224.0.0.10
Match on all routers or it will not work

23. Describe features of RIPv2
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
Port based
2^n-2
A link is an interface on a router

24. What do you need to do if there are discontigous networks with EIGRP?
Ever 2 seconds
A protocol on how to communicate with other routers
1
Disable auto summarization

25. What Layer does Frame Relay operate at?
Layers 1 & 2
No
Multiple virtual interfaces that are associated with one physical interface
4

26. What does this mean? R 192.168.1.0/24 [120/2] via 10.1.1.2
For line vty 0 4
A permit statement
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.
Plaintext and MD5

27. What is an ABR
1
Area Border Router
Connects the different areas
Six equal cost paths

28. Admin distance of OSPF?
Individual or group IP's
110
Every 10 Seconds
Dijkstra's Algorithm

29. Rip is capable of load balancing over as many as?
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
A protocol on how to communicate with other routers
Plaintext and MD5
Six equal cost paths

30. What do area's do?
Every 10 Seconds
Reduce the link-state database and routing table
1.) Enter the Routing Manually 2.) Use Dymamic Routing
Adjacency

31. What is prefix length?
Convergence
Connects the different areas
Aka Subnet mask
Select the routing protocol - then specify the network.

32. What is the dead interval
Forces protocols to behave as if they were classless
The lower MAC address
A link is an interface on a router
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.

33. Spanning-Tree coast of 4
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
Data Link Connection Identifier
1Gb/s
Each router builds a map of the network and determines the shortest path to every network.

34. Advance Distance Vector or Hybrid uses what?
Unicast - Multicast - Anycast
A combination of Link-state and distance vector
0
Disable auto summarization

35. How often are LMI's sent out?
Every 10 Seconds
Reduce the link-state database and routing table
90
Only topology within their respective area.

36. What is one to many?
1
It is never useful to send information about a route back in the direction from which the original info came.
A protocol on how to communicate with other routers
Multicast

37. How often are periodic updates sent out via RIP
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
Every 30 Seconds
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.

38. How many hops are allowed with RIP?
Aka Subnet mask
EIGRP - OSPF - RIP
15.....16 hops and the interface is down
Area Border Router

39. How do you configure OSPF
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
EIGRP - OSPF - RIP
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers

40. How does EIGRP work with regards to Load Balancing
For line vty 0 4
The Diffusing Update Algorithm (DUAL)
Supports both unequal metric load balancing and equal metric balancing.
90

41. Problem with RIP
A group of end stations with a common set of requirements - independent of their physical location
Susceptible to routing loops
A permit statement
To select the best path to the destination

42. An OSPF neighbor relationship can also be called what?
Different Autonomous Systems
Adjacency
IETF
To select the best path to the destination

43. Formula for determining hosts
Forces protocols to behave as if they were classless
2^n-2
A permit statement
0

44. In bridge root selection - if the bridge prioritys are the same - what determines root selection?
0
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
By DLCI's
The lower MAC address

45. Nonbackbone - internal routers are aware of what topology
Every 30 minutes by default
Checks the source address and then permits or denies the entire protocol suite
Only topology within their respective area.
Loopback

46. Who designed OSPF?
The Diffusing Update Algorithm (DUAL)
For line vty 0 4
Automatically
IETF

47. What type of algorithm does OSPF & IS-IS use?
Checks the source address and then permits or denies the entire protocol suite
Link-State
Aka Subnet mask
Packet Header

48. How does inbound ACL work?
Scalable and fast convergence
Carry's traffic for multiple VLANS
Not scalable - hard to maintain as the network grows
Test Firsts/ Routes Second

49. How does an outbound ACL work?
16
224.0.0.5
Routes First/ Tests second
A layer 3 switch or router

50. How do you apply the ACL to an interface
Multiple virtual interfaces that are associated with one physical interface
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.
Make sure you are in interface mode - then use this command ip access-group 1 out/in
Carry's traffic for multiple VLANS