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. Purpose of a Routing Protocol?
Advertised Distance & Feasible distance
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
20 seconds: 10 missed BPDU's


2. OSPF routes packets within a single?
For line vty 0 4
The inverse of a subnet mask.
Autonomous System
To select the best path to the destination


3. Describe a Inbound ACL
Packets are processed before they are routed to an outbound interface.
Advance Distance Vector
By DLCI's
Determines the cost which is the bandwidth


4. When placing ACL's in the Network...Do what?

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


5. Admin distance of a Static Route?
MAC based
Each router builds a map of the network and determines the shortest path to every network.
1
RIPv2 & EIGRP


6. In regards to ACL's What are the three protocols?
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
One ACL per protocol - One ACL per direction - Once ACL per interface
Only topology within their respective area.
Domain


7. What is the default load balancing for RIP
To reduce OSPF traffic
Supports both unequal metric load balancing and equal metric balancing.
Susceptible to routing loops
4


8. Admin distance of a connected Network?
Domain
By DLCI's
0
It is never useful to send information about a route back in the direction from which the original info came.


9. Describe an Outbound ACL
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
32768
Adjacency
Anycast


10. Routers running distances vector routing protocol send periodic updates even if there are no changes in the network. True or False?
110
224.0.0.5
TRUE
2^n


11. What does the back bone router do?
Every 5 seconds
Port based
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.
Connects the different areas


12. What is an ABR
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Every 30 Seconds
Area Border Router
Layers 1 & 2


13. Admin distance of EIGRP?
Select the routing protocol - then specify the network.
110
Because a loopback interface is always active and cannot be in a down state like a real interface can.
90


14. What does the DR do?
Not scalable - hard to maintain as the network grows
Updates all DROTHER Routers when a change occurs
Packets are processed before they are routed to an outbound interface.
100Mb/s


15. What is Frame Relay?
RIPv2 and EIGRP
20 seconds: 10 missed BPDU's
The inverse of a subnet mask.
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.


16. What do you need to do if there are discontigous networks with EIGRP?
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
Disable auto summarization
224.0.0.10
Adjacency


17. How does EIGRP work with regards to Load Balancing
4
IETF
Automatically
Supports both unequal metric load balancing and equal metric balancing.


18. How does a Standard ACL work?
The inverse of a subnet mask.
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
Checks the source address and then permits or denies the entire protocol suite
By DLCI's


19. With OSPF - there must always be a area......
0
...
Checks the source and destination address then permits or denies specific protocols
Distance Vector


20. The no auto-summary command does what?
Forces protocols to behave as if they were classless
A link is an interface on a router
MD5 and you have to enable it if you want to use it.
Scalable and fast convergence


21. OSPF will elect a what?
15.....16 hops and the interface is down
Telnet connectivity - authentication and extended ACLs
Designated Router (DR) and a Back-up designated Router (BDR)
...


22. What are the two ways routers can learn about the destination information?
1.) Enter the Routing Manually 2.) Use Dymamic Routing
Updates all DROTHER Routers when a change occurs
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers
32768


23. In Link state terminology - What is a link?

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


24. Problem with static routes
Select the routing protocol - then specify the network.
MD5 and you have to enable it if you want to use it.
Automatically
Not scalable - hard to maintain as the network grows


25. Wildcard masks filter

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


26. Describe features of RIPv2
Anycast
Only with Cisco IOS software release 12.3 (2) T
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
A protocol on how to communicate with other routers


27. How does Link-State work?
Each router builds a map of the network and determines the shortest path to every network.
Adjacency
A layer 3 switch or router
EIGRP - OSPF - RIP


28. What type of algorithm does RIP use?
Distance Vector
Not scalable - hard to maintain as the network grows
Scalable and fast convergence
Because a loopback interface is always active and cannot be in a down state like a real interface can.


29. What are subinterfaces?
Multiple virtual interfaces that are associated with one physical interface
For line vty 0 4
110
TRUE


30. What does EIGRP use to calculate it's metric?
Multiple virtual interfaces that are associated with one physical interface
100Mb/s
Bandwidth & Delay
A group of end stations with a common set of requirements - independent of their physical location


31. Classful Protocols summarize
Private: link local
IP
A trunk
Automatically


32. Admin distance of OSPF?
To select the best path to the destination
110
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Individual or group IP's


33. What does a trunk do?

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


34. How does inbound ACL work?
4 times the hello interval
Every 10 seconds
Test Firsts/ Routes Second
Anycast


35. Spanning-Tree cost of 100
A backbone area...Also known as Area 0
10Mb/s
Distance Vector
RIPv2 & EIGRP


36. How does an Extended ACL work?
A protocol on how to communicate with other routers
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
Checks the source and destination address then permits or denies specific protocols


37. What three types of IPv6 address types are there?
Unicast - Multicast - Anycast
Dijkstra's Algorithm
No
Adjacency


38. What Layer does Frame Relay operate at?
Layers 1 & 2
A link is an interface on a router
Telnet connectivity - authentication and extended ACLs
Convergence


39. VTP Client Mode does what?

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


40. VTP Server Mode does what?

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


41. What is a VLAN
16
15.....16 hops and the interface is down
A group of end stations with a common set of requirements - independent of their physical location
Every 30 minutes by default


42. How often does EIGRP send hellow packets?
MAC based
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers
Every 5 seconds
For line vty 0 4


43. Rip is capable of load balancing over as many as?
Six equal cost paths
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.
View


44. How long is the dead interval
0
Port based
4 times the hello interval
Multicast


45. What is the default for equal cost paths for load balancing with OSPF?
Not scalable - hard to maintain as the network grows
Loopback
Determines the cost which is the bandwidth
4


46. What does bounded refer to?
Carry's traffic for multiple VLANS
20 seconds: 10 missed BPDU's
Every 5 seconds
Propagation of partial updates that are sent only to those routers that the changes affect.


47. What type of algorithm does OSPF & IS-IS use?
Scalable and fast convergence
All backup routes for destinations.
Propagation of partial updates that are sent only to those routers that the changes affect.
Link-State


48. How often does a router send link-state advertisements?
0
Every 30 minutes by default
Associating the network address with a local DLCI.
TRUE


49. What are the three LMI standards
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.
Reduce the link-state database and routing table
Cisco - ANSI - Q.933A
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication


50. What is OSPF multicast address?
A layer 3 switch or router
Every 30 minutes by default
224.0.0.5
Propagation of partial updates that are sent only to those routers that the changes affect.