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. OSPF routes packets within a single?
...
Multicast
Autonomous System
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration

2. How many hops are allowed with RIP?
110
Layers 1 & 2
15.....16 hops and the interface is down
Bandwidth & Delay

3. Dynamic ACL's are dependent on what?
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
Updates all DROTHER Routers when a change occurs
Telnet connectivity - authentication and extended ACLs
4

4. How often are LMI's sent out?
TRUE
Every 10 Seconds
Multiple virtual interfaces that are associated with one physical interface
It is never useful to send information about a route back in the direction from which the original info came.

5. What type of algorithm does OSPF & IS-IS use?
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
Link-State
Adjacency
Only topology within their respective area.

6. What is Frame Relay?
Telnet connectivity - authentication and extended ACLs
IETF
RIPv2 & EIGRP
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.

7. What is ::
Unspecified
Designated Router (DR) and a Back-up designated Router (BDR)
Aka Subnet mask
Area Border Router

8. The AS number must what?
Every 5 seconds
Loopback
Match on all routers or it will not work
No

9. Why is it important to have a loopback address when using OSPF?
Because a loopback interface is always active and cannot be in a down state like a real interface can.
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
By DLCI's

10. The advantages of VLSM
Maximizing address efficiency - organization - summarization
Distance Vector
Packet Header
Because a loopback interface is always active and cannot be in a down state like a real interface can.

11. Spanning-Tree cost of 19
Every 10 Seconds
Designated Router (DR) and a Back-up designated Router (BDR)
Null
100Mb/s

12. How does EIGRP work with regards to Load Balancing
Supports both unequal metric load balancing and equal metric balancing.
A permit statement
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
If int status is UP/UP..Check to make sure OSPF is enabled on the interface

13. What is the spilt horizon rule?
It is never useful to send information about a route back in the direction from which the original info came.
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
Telnet connectivity - authentication and extended ACLs
A trunk

14. Routers running distances vector routing protocol send periodic updates even if there are no changes in the network. True or False?
20 seconds: 10 missed BPDU's
The Root bridge is the bridge with the lowest bridge ID
One ACL per protocol - One ACL per direction - Once ACL per interface
TRUE

15. Describe an Outbound ACL
It combines the advantages of Link-State and Distance vector routing protocols.
Adjacency
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL

16. In frame relay What is Inverse Arp
Routes First/ Tests second
Associating the network address with a local DLCI.
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.
Ever 2 seconds

17. What is the purpose of LMI
No
Checks the source address and then permits or denies the entire protocol suite
2^n
It is the signaling standard that maintains connection and statues between the DCE and DTE

18. How does an outbound ACL work?
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
All backup routes for destinations.
Routes First/ Tests second
Determines the cost which is the bandwidth

19. What is passing VLAN traffic to another called?
224.0.0.5
Routes First/ Tests second
Inter-VLAN routing
It combines the advantages of Link-State and Distance vector routing protocols.

20. How do you apply the ACL to an interface
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
Adjacency
Loopback

21. How does Link-State work?
Each router builds a map of the network and determines the shortest path to every network.
Cisco - ANSI - Q.933A
IETF
1Gb/s

22. Admin distance of a Static Route?
1
100Mb/s
IETF
32768

23. How is the root bridge determined?
One ACL per protocol - One ACL per direction - Once ACL per interface
The Root bridge is the bridge with the lowest bridge ID
120
It combines the advantages of Link-State and Distance vector routing protocols.

24. The no auto-summary command does what?
A group of end stations with a common set of requirements - independent of their physical location
Forces protocols to behave as if they were classless
Anycast
By DLCI's

25. An autonomous system could also be referred to as what?
IETF
Domain
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
Select the routing protocol - then specify the network.

26. Admin distance of EIGRP?
Make sure you are in interface mode - then use this command ip access-group 1 out/in
Convergence
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.
90

27. What does DLCI stand for?
Designated Router (DR) and a Back-up designated Router (BDR)
Data Link Connection Identifier
2^n-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.

28. By default OSPF uses what type of authentication?
Updates all DROTHER Routers when a change occurs
Null
Link-State
...

29. In regards to troubleshooting OSPF what should you check?
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
Routes First/ Tests second
0
Associating the network address with a local DLCI.

30. How do you configure OSPF
IETF
32768
Make sure you are in interface mode - then use this command ip access-group 1 out/in
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0

31. What three types of IPv6 address types are there?
Unicast - Multicast - Anycast
...
Determines the cost which is the bandwidth
IETF

32. What is the default load balancing for RIP
Bandwidth & Delay
4
IETF
It combines the advantages of Link-State and Distance vector routing protocols.

33. How often are periodic updates sent out via RIP
Every 30 Seconds
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
Unspecified
Between areas?

34. What is prefix length?
Aka Subnet mask
It combines the advantages of Link-State and Distance vector routing protocols.
Only with Cisco IOS software release 12.3 (2) T
Maximizing address efficiency - organization - summarization

35. What is the Wildcard mask
Null
Plaintext and MD5
A group of end stations with a common set of requirements - independent of their physical location
The inverse of a subnet mask.

36. Dynamic VLAN is what?
Plaintext and MD5
...
Cisco - ANSI - Q.933A
MAC based

37. Describe features of RIPv2
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
1Gb/s
Telnet connectivity - authentication and extended ACLs
A combination of Link-state and distance vector

38. Routing protocol is what?
The inverse of a subnet mask.
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
Multiple virtual interfaces that are associated with one physical interface
A protocol on how to communicate with other routers

39. Explain OSPF

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

40. Why is this done?
Ever 2 seconds
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
To reduce OSPF traffic
RIPv2 & EIGRP

41. How are Frame Relay Circuits identified?

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

42. What does partial refer to?
RIPv2 & EIGRP
IP
Between areas?
The update only includes info about the route change

43. When do you use Access-Class
The inverse of a subnet mask.
A layer 3 switch or router
Layers 1 & 2
For line vty 0 4

44. What does the DR do?
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
Updates all DROTHER Routers when a change occurs
Propagation of partial updates that are sent only to those routers that the changes affect.
100Mb/s

45. What are the three LMI standards
Test Firsts/ Routes Second
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Cisco - ANSI - Q.933A
110

46. What are two statements that are true of IPv6 address representation?
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
Port based
Inter-VLAN routing
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication

47. VTP Client Mode does what?

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

48. With OSPF - what must be defined?
Plaintext and MD5
IP
A backbone area...Also known as Area 0
To select the best path to the destination

49. An OSPF neighbor relationship can also be called what?
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
The inverse of a subnet mask.
Susceptible to routing loops
Adjacency

50. Problem with RIP
4
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
Susceptible to routing loops
Link-State