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. For an adjacency to occur what do the routers have to agree on?
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
View
RIPv2 & EIGRP
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.

2. What is one to nearest
15.....16 hops and the interface is down
It is the signaling standard that maintains connection and statues between the DCE and DTE
By DLCI's
Anycast

3. What two classless protocols act classful by default?
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.
RIPv2 & EIGRP
...
Aka Subnet mask

4. What is the Wildcard mask
Between areas?
The inverse of a subnet mask.
It is never useful to send information about a route back in the direction from which the original info came.
Advertised Distance & Feasible distance

5. How long is the dead interval
Unicast - Multicast - Anycast
4 times the hello interval
1
A group of end stations with a common set of requirements - independent of their physical location

6. What is ::
100Mb/s
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
Unspecified
Between areas?

7. What type of authentication does EIGRP use?
Individual or group IP's
MD5 and you have to enable it if you want to use it.
...
RIPv2 & EIGRP

8. What are the major components of OSPF troubleshooting?
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
No
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
Not scalable - hard to maintain as the network grows

9. When do you use Access-Class
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
For line vty 0 4
Port based
Forces protocols to behave as if they were classless

10. OSPF will elect a what?
To select the best path to the destination
Designated Router (DR) and a Back-up designated Router (BDR)
MAC based
Match on all routers or it will not work

11. Wildcard masks filter

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

12. Admin distance of RIPv2
Checks the source address and then permits or denies the entire protocol suite
Port based
Maximizing address efficiency - organization - summarization
120

13. Problem with static routes
It combines the advantages of Link-State and Distance vector routing protocols.
Not scalable - hard to maintain as the network grows
All backup routes for destinations.
Propagation of partial updates that are sent only to those routers that the changes affect.

14. Formula for determining hosts
32768
2^n-2
2^n
A link is an interface on a router

15. How is the root bridge determined?
Anycast
The Root bridge is the bridge with the lowest bridge ID
Packet Header
Reduce the link-state database and routing table

16. With OSPF - there must always be a area......
Scalable and fast convergence
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.
0
Domain

17. How do you apply the ACL to an interface
RIPv2 & EIGRP
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
Make sure you are in interface mode - then use this command ip access-group 1 out/in
...

18. What does this mean? R 192.168.1.0/24 [120/2] via 10.1.1.2
Distance Vector
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.
100Mb/s
Automatically

19. Nonbackbone - internal routers are aware of what topology
Packet Header
Only topology within their respective area.
Autonomous System
2^n

20. In frame relay What is Inverse Arp
MD5 and you have to enable it if you want to use it.
Associating the network address with a local DLCI.
DROTHER
Adjacency

21. What is the default load balancing for RIP
MAC based
A layer 3 switch or router
4
100Mb/s

22. With ACL's where does the router extract information
Six equal cost paths
Scalable and fast convergence
Packet Header
Dijkstra's Algorithm

23. In Link state terminology - What is a link?
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
A link is an interface on a router
Susceptible to routing loops
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication

24. How are Frame Relay Circuits identified?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

25. The no auto-summary command does what?
2^n-2
4
Every 30 Seconds
Forces protocols to behave as if they were classless

26. Purpose of a Routing Protocol?
Distance Vector
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
Only with Cisco IOS software release 12.3 (2) T

27. What are the two ways routers can learn about the destination information?
1.) Enter the Routing Manually 2.) Use Dymamic Routing
Determines the cost which is the bandwidth
Scalable and fast convergence
RIPv2 and EIGRP

28. What does the back bone router do?
TRUE
A permit statement
90
Connects the different areas

29. VTP Client Mode does what?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

30. Admin distance of EIGRP?
Every 10 seconds
90
Packet Header
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers

31. What do you need to do if there are discontigous networks with EIGRP?
Only with Cisco IOS software release 12.3 (2) T
Disable auto summarization
0
Null

32. An autonomous system could also be referred to as what?
Domain
120
The inverse of a subnet mask.
Loopback

33. Can a Router exchange routing information if they are using different Routing Protocols?
No
Multiple virtual interfaces that are associated with one physical interface
Autonomous System
100Mb/s

34. What algorithm does EIGRP use?
The Diffusing Update Algorithm (DUAL)
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
Connects the different areas
The lower MAC address

35. Routers are used for what?
A combination of Link-state and distance vector
A group of end stations with a common set of requirements - independent of their physical location
To select the best path to the destination
2^n-2

36. Example of a Routing Protocol?
Associating the network address with a local DLCI.
Unspecified
EIGRP - OSPF - RIP
For line vty 0 4

37. In regards to ACL's What are the three protocols?
One ACL per protocol - One ACL per direction - Once ACL per interface
20 seconds: 10 missed BPDU's
Every 5 seconds
A permit statement

38. Spanning-Tree cost of 19
30-50 seconds
100Mb/s
Advance Distance Vector
Checks the source and destination address then permits or denies specific protocols

39. What are subinterfaces?
...
Multiple virtual interfaces that are associated with one physical interface
Checks the source address and then permits or denies the entire protocol suite
Data Link Connection Identifier

40. How does Link-State work?
Each router builds a map of the network and determines the shortest path to every network.
A layer 3 switch or router
It is the signaling standard that maintains connection and statues between the DCE and DTE
Scalable and fast convergence

41. Describe features of RIPv2
TRUE
Updates all DROTHER Routers when a change occurs
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
4 times the hello interval

42. Max_age time for BPDU's

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

43. What does bounded refer to?
Propagation of partial updates that are sent only to those routers that the changes affect.
...
Multicast
Carry's traffic for multiple VLANS

44. What is the dead interval
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
By DLCI's
Autonomous System
Data Link Connection Identifier

45. How often does EIGRP send hellow packets?
Every 5 seconds
Link-State
Only topology within their respective area.
1.) Enter the Routing Manually 2.) Use Dymamic Routing

46. How do you configure a sub interface?
Packets are processed before they are routed to an outbound 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
Routes First/ Tests second
20 seconds: 10 missed BPDU's

47. 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
A layer 3 switch or router
The lower MAC address

48. What is the multicast address for EIGRP?
0
Dijkstra's Algorithm
224.0.0.10
Domain

49. What two parameters does EIGRP use to determine the best route?
A protocol on how to communicate with other routers
30-50 seconds
Packets are processed before they are routed to an outbound interface.
Advertised Distance & Feasible distance

50. What does DLCI stand for?
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
Automatically
Data Link Connection Identifier
Advance Distance Vector