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. Can a Router exchange routing information if they are using different Routing Protocols?
1
IP
Between areas?
No

2. Exterior Gateway Protocols are designed for use between
Distance Vector
Different Autonomous Systems
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.
110

3. By default - EIGRP will perform automatic summarization on classful boundaries. True or False
4
TRUE
By DLCI's
32768

4. Dynamic ACL's are dependent on what?
Telnet connectivity - authentication and extended ACLs
Inter-VLAN routing
Forces protocols to behave as if they were classless
IETF

5. When do you use Access-Class
Every 30 minutes by default
90
For line vty 0 4
Only topology within their respective area.

6. What are the major components of OSPF troubleshooting?
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
EIGRP - OSPF - RIP
Associating the network address with a local DLCI.

7. What does bounded refer to?
Determines the cost which is the bandwidth
Propagation of partial updates that are sent only to those routers that the changes affect.
Routes First/ Tests second
Cisco - ANSI - Q.933A

8. Describe an Outbound ACL
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
The Diffusing Update Algorithm (DUAL)
Aka Subnet mask
Adjacency

9. Who designed OSPF?
A group of end stations with a common set of requirements - independent of their physical location
1.) Enter the Routing Manually 2.) Use Dymamic Routing
IETF
One ACL per protocol - One ACL per direction - Once ACL per interface

10. Admin distance of a Static Route?
1
Aka Subnet mask
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
30-50 seconds

11. VTP Server Mode does what?

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

12. What is the spilt horizon rule?
The Root bridge is the bridge with the lowest bridge ID
2^n-2
It is never useful to send information about a route back in the direction from which the original info came.
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication

13. An autonomous system could also be referred to as what?
Area Border Router
Multiple virtual interfaces that are associated with one physical interface
Data Link Connection Identifier
Domain

14. What is a VLAN
Select the routing protocol - then specify the network.
A group of end stations with a common set of requirements - independent of their physical location
Make sure you are in interface mode - then use this command ip access-group 1 out/in
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.

15. What address is FE80:/10
Bandwidth & Delay
Carry's traffic for multiple VLANS
A group of end stations with a common set of requirements - independent of their physical location
Private: link local

16. Routing protocol is what?
DROTHER
Every 30 Seconds
A protocol on how to communicate with other routers
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

17. The time delay for a router to match a network change?
0
One ACL per protocol - One ACL per direction - Once ACL per interface
To reduce OSPF traffic
Convergence

18. How are Frame Relay Circuits identified?

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

19. What does the DR do?
Updates all DROTHER Routers when a change occurs
Different Autonomous Systems
To select the best path to the destination
One ACL per protocol - One ACL per direction - Once ACL per interface

20. What is the Wildcard mask
A combination of Link-state and distance vector
The inverse of a subnet mask.
Is a classless link-state protocol - creates a neighbor relationship by exchanging hello packets - propagates LSA's rather than routing table updates.
Test Firsts/ Routes Second

21. What type of algorithm does OSPF & IS-IS use?
Link-State
Autonomous System
EIGRP - OSPF - RIP
1Gb/s

22. How many hops are allowed with RIP?
Packet Header
15.....16 hops and the interface is down
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
Distance Vector

23. Spanning-Tree cost of 19
Port based
Multiple virtual interfaces that are associated with one physical interface
100Mb/s
One ACL per protocol - One ACL per direction - Once ACL per interface

24. How do you configure OSPF
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
4 times the hello interval
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.
90

25. What does this mean? R 192.168.1.0/24 [120/2] via 10.1.1.2
Link-State
Anycast
DROTHER
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.

26. How does an Extended ACL work?
By DLCI's
IETF
Anycast
Checks the source and destination address then permits or denies specific protocols

27. What is the dead interval
TRUE
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
Cisco - ANSI - Q.933A
A combination of Link-state and distance vector

28. How often are LMI's sent out?
0
Individual or group IP's
To select the best path to the destination
Every 10 Seconds

29. How do you apply the ACL to an interface
Aka Subnet mask
Packets are processed before they are routed to an outbound interface.
Make sure you are in interface mode - then use this command ip access-group 1 out/in
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs

30. What three types of IPv6 address types are there?
Reduce the link-state database and routing table
Unicast - Multicast - Anycast
4
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.

31. Explain how routing loops occur with RIP?
16
EIGRP - OSPF - RIP
...
Test Firsts/ Routes Second

32. What is an Autonomous System?
100Mb/s
Checks the source address and then permits or denies the entire protocol suite
Designated Router (DR) and a Back-up designated Router (BDR)
...

33. With OSPF - there must always be a area......
0
Associating the network address with a local DLCI.
Match on all routers or it will not work
Telnet connectivity - authentication and extended ACLs

34. Describe features of RIPv1
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
Each router builds a map of the network and determines the shortest path to every network.
The update only includes info about the route change
By DLCI's

35. Problem with static routes
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
Not scalable - hard to maintain as the network grows
...
Unspecified

36. Every ACL will need what?
Carry's traffic for multiple VLANS
A permit statement
Telnet connectivity - authentication and extended ACLs
Distance Vector

37. Wildcard masks filter

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

38. OSPF routes packets within a single?
Autonomous System
Supports both unequal metric load balancing and equal metric balancing.
The Root bridge is the bridge with the lowest bridge ID
Unspecified

39. The no auto-summary command does what?
...
Layers 1 & 2
Forces protocols to behave as if they were classless
Dijkstra's Algorithm

40. Routers are used for what?
30-50 seconds
Anycast
To select the best path to the destination
Associating the network address with a local DLCI.

41. How does inbound ACL work?
Test Firsts/ Routes Second
Only with Cisco IOS software release 12.3 (2) T
Multicast
Propagation of partial updates that are sent only to those routers that the changes affect.

42. Describe a Inbound ACL
For line vty 0 4
Packets are processed before they are routed to an outbound interface.
Reduce the link-state database and routing table
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication

43. What type of algorithm does EIGRP use?
Advance Distance Vector
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.
4

44. How does an outbound ACL work?
A combination of Link-state and distance vector
To reduce OSPF traffic
Routes First/ Tests second
RIPv2 & EIGRP

45. What Layer does Frame Relay operate at?
Layers 1 & 2
Data Link Connection Identifier
Individual or group IP's
The lower MAC address

46. What does EIGRP use to calculate it's metric?
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
Bandwidth & Delay
For line vty 0 4
Link-State

47. How is an EUI-64 format interface ID created from a 48-Bit MAC address
0
4
Multiple virtual interfaces that are associated with one physical interface
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address

48. How does Link-State work?
RIPv2 and EIGRP
Scalable and fast convergence
Each router builds a map of the network and determines the shortest path to every network.
Loopback

49. Formula for determining hosts
...
2^n-2
MAC based
Convergence

50. Summarization of network information usually occurs where?
Connects the different areas
Between areas?
Telnet connectivity - authentication and extended ACLs
Propagation of partial updates that are sent only to those routers that the changes affect.