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. Describe features of RIPv1
Null
Unicast - Multicast - Anycast
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available


2. How does a Standard ACL work?
Propagation of partial updates that are sent only to those routers that the changes affect.
A group of end stations with a common set of requirements - independent of their physical location
View
Checks the source address and then permits or denies the entire protocol suite


3. How does the SPF determine the shortest path?
To reduce OSPF traffic
Determines the cost which is the bandwidth
1
The update only includes info about the route change


4. Spanning-Tree cost of 100
Six equal cost paths
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
10Mb/s
Checks the source address and then permits or denies the entire protocol suite


5. What are non designated routers called?
Determines the cost which is the bandwidth
Layers 1 & 2
DROTHER
Updates all DROTHER Routers when a change occurs


6. Advance Distance Vector or Hybrid uses what?
A combination of Link-state and distance vector
30-50 seconds
It combines the advantages of Link-State and Distance vector routing protocols.
Between areas?


7. Problem with RIP
Designated Router (DR) and a Back-up designated Router (BDR)
Susceptible to routing loops
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.
TRUE


8. Break down the word Link-State

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


9. What is the default load balancing for RIP
Port based
4
The lower MAC address
A permit statement


10. The AS number must what?
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
2^n
A backbone area...Also known as Area 0
Match on all routers or it will not work


11. Admin distance of EIGRP?
90
A layer 3 switch or router
A combination of Link-state and distance vector
Aka Subnet mask


12. What two parameters does EIGRP use to determine the best route?
2^n-2
Advertised Distance & Feasible distance
Autonomous System
Scalable and fast convergence


13. What does a trunk do?

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


14. What are two OSPF authentication methods?
Plaintext and MD5
A trunk
Every 10 seconds
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers


15. How do you apply the ACL to an interface
Make sure you are in interface mode - then use this command ip access-group 1 out/in
4
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
The inverse of a subnet mask.


16. By default OSPF uses what type of authentication?
Null
Every 10 Seconds
Layers 1 & 2
A group of end stations with a common set of requirements - independent of their physical location


17. How does Link-State work?
Link-State
No
Connects the different areas
Each router builds a map of the network and determines the shortest path to every network.


18. With OSPF - there must always be a area......
Six equal cost paths
Aka Subnet mask
0
Cisco - ANSI - Q.933A


19. VTP Server Mode does what?

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


20. The time delay for a router to match a network change?
Bandwidth & Delay
Automatically
Distance Vector
Convergence


21. By default - EIGRP will perform automatic summarization on classful boundaries. True or False
The lower MAC address
Packet Header
30-50 seconds
TRUE


22. Benefits of OSPF?
Maximizing address efficiency - organization - summarization
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
Scalable and fast convergence
Plaintext and MD5


23. Describe an Outbound ACL
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
A permit statement
224.0.0.5
MAC based


24. Admin distance of RIPv2
120
15.....16 hops and the interface is down
Only topology within their respective area.
The inverse of a subnet mask.


25. What are the two ways routers can learn about the destination information?
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
Bandwidth & Delay
Multiple virtual interfaces that are associated with one physical interface
1.) Enter the Routing Manually 2.) Use Dymamic Routing


26. Example of a Routing Protocol?
Anycast
Disable auto summarization
EIGRP - OSPF - RIP
All backup routes for destinations.


27. What are the major components of OSPF troubleshooting?
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
Every 10 Seconds
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
It is never useful to send information about a route back in the direction from which the original info came.


28. Problem with static routes
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
15.....16 hops and the interface is down
Not scalable - hard to maintain as the network grows
Adjacency


29. What do area's do?
1
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
Reduce the link-state database and routing table
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


30. How does inbound ACL work?
32768
The lower MAC address
Every 30 Seconds
Test Firsts/ Routes Second


31. OSPF will elect a what?
Aka Subnet mask
The update only includes info about the route change
Is a classless link-state protocol - creates a neighbor relationship by exchanging hello packets - propagates LSA's rather than routing table updates.
Designated Router (DR) and a Back-up designated Router (BDR)


32. How often does EIGRP send hellow packets?
Connects the different areas
Every 5 seconds
A layer 3 switch or router
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address


33. What is an ABR
Area Border Router
Private: link local
By DLCI's
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.


34. What is needed to pass traffic from one VLAN to another?
4
Connects the different areas
Port based
A layer 3 switch or router


35. What are the three LMI standards
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
Cisco - ANSI - Q.933A
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
...


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

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


37. Routers are used for what?
4 times the hello interval
Routes First/ Tests second
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
To select the best path to the destination


38. For a VLAN to span across multiple switches What is required?
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
Between areas?
A trunk
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication


39. What does DLCI stand for?
Individual or group IP's
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
Layers 1 & 2
Data Link Connection Identifier


40. Explain OSPF

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


41. What is the maximum number of paths EIGRP can have for the same destination in it's routing table?
10Mb/s
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
16


42. What is OSPF multicast address?
Select the routing protocol - then specify the network.
Carry's traffic for multiple VLANS
Advance Distance Vector
224.0.0.5


43. 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.
By DLCI's
TRUE
Every 5 seconds


44. What two things need to be done to enable dynamic routing?
Select the routing protocol - then specify the network.
Anycast
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
A group of end stations with a common set of requirements - independent of their physical location


45. What is Frame Relay?
Area Border Router
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
MD5 and you have to enable it if you want to use it.
32768


46. Purpose of a Routing Protocol?
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.
Telnet connectivity - authentication and extended ACLs
TRUE
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available


47. What is one to many?
1Gb/s
Multicast
10Mb/s
Adjacency


48. Classful Protocols summarize
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
A layer 3 switch or router
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
Automatically


49. What are two statements that are true of IPv6 address representation?
Is a classless link-state protocol - creates a neighbor relationship by exchanging hello packets - propagates LSA's rather than routing table updates.
Designated Router (DR) and a Back-up designated Router (BDR)
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration


50. What are subinterfaces?
2^n-2
Multiple virtual interfaces that are associated with one physical interface
Associating the network address with a local DLCI.
15.....16 hops and the interface is down