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. What is the default for equal cost paths for load balancing with OSPF?
2^n-2
4
It is never useful to send information about a route back in the direction from which the original info came.
Convergence


2. Example of a Routing Protocol?
Not scalable - hard to maintain as the network grows
Aka Subnet mask
EIGRP - OSPF - RIP
1


3. What is the purpose of LMI
110
Individual or group IP's
224.0.0.5
It is the signaling standard that maintains connection and statues between the DCE and DTE


4. What is the default Bridge priority?
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
32768
Every 5 seconds
Dijkstra's Algorithm


5. What are subinterfaces?
Between areas?
It is never useful to send information about a route back in the direction from which the original info came.
Multiple virtual interfaces that are associated with one physical interface
Adjacency


6. The no auto-summary command does what?
A combination of Link-state and distance vector
90
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
Forces protocols to behave as if they were classless


7. How often are OSPF hello packets sent out?
Data Link Connection Identifier
Reduce the link-state database and routing table
120
Every 10 seconds


8. The AS number must what?
Match on all routers or it will not work
Dijkstra's Algorithm
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
Packet Header


9. Admin distance of EIGRP?
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers
90
Not scalable - hard to maintain as the network grows
1


10. What three types of IPv6 address types are there?
Unicast - Multicast - Anycast
Different Autonomous Systems
TRUE
View


11. Wildcard masks filter

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


12. In Link state terminology - What is a link?
Null
Multiple virtual interfaces that are associated with one physical interface
Packets are processed before they are routed to an outbound interface.
A link is an interface on a router


13. With OSPF - there must always be a area......
Distance Vector
Aka Subnet mask
0
Cisco - ANSI - Q.933A


14. What is prefix length?
A backbone area...Also known as Area 0
Aka Subnet mask
Convergence
A layer 3 switch or router


15. What is needed to pass traffic from one VLAN to another?
30-50 seconds
Every 30 minutes by default
MD5 and you have to enable it if you want to use it.
A layer 3 switch or router


16. When do you use Access-Class
EIGRP - OSPF - RIP
For line vty 0 4
Test Firsts/ Routes Second
Is a classless link-state protocol - creates a neighbor relationship by exchanging hello packets - propagates LSA's rather than routing table updates.


17. What Layer does Frame Relay operate at?
Bandwidth & Delay
Layers 1 & 2
A permit statement
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.


18. What is the maximum number of paths EIGRP can have for the same destination in it's routing table?
One ACL per protocol - One ACL per direction - Once ACL per interface
Supports both unequal metric load balancing and equal metric balancing.
16
Multicast


19. Describe an Outbound ACL
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
Six equal cost paths
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
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.


20. How often does EIGRP send hellow packets?
1.) Enter the Routing Manually 2.) Use Dymamic Routing
90
Updates all DROTHER Routers when a change occurs
Every 5 seconds


21. With ACL's where does the router extract information
Packet Header
1.) Enter the Routing Manually 2.) Use Dymamic Routing
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
Port based


22. VTP Client Mode does what?

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


23. An autonomous system could also be referred to as what?
2^n
Domain
To select the best path to the destination
Between areas?


24. The advantages of VLSM
Link-State
Propagation of partial updates that are sent only to those routers that the changes affect.
TRUE
Maximizing address efficiency - organization - summarization


25. Can a Router exchange routing information if they are using different Routing Protocols?
Scalable and fast convergence
No
Only with Cisco IOS software release 12.3 (2) T
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.


26. Spanning-Tree coast of 4
Unicast - Multicast - Anycast
1Gb/s
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
Multicast


27. 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


28. How do you configure OSPF
MAC based
2^n
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
All backup routes for destinations.


29. What do you need to do if there are discontigous networks with EIGRP?
Disable auto summarization
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
Anycast
TRUE


30. How does the SPF determine the shortest path?
Determines the cost which is the bandwidth
...
224.0.0.10
Packets are processed before they are routed to an outbound interface.


31. Formula for determining hosts
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
DROTHER
2^n-2
Forces protocols to behave as if they were classless


32. Explain how routing loops occur with RIP?
...
TRUE
View
Advance Distance Vector


33. In bridge root selection - if the bridge prioritys are the same - what determines root selection?
Packet Header
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
The lower MAC address
Designated Router (DR) and a Back-up designated Router (BDR)


34. 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


35. With OSPF - each router builds its SPF tree using the same link-state information - but each will have a separate ________ of the topology
Anycast
Inter-VLAN routing
View
All backup routes for destinations.


36. In frame relay What is Inverse Arp
Make sure you are in interface mode - then use this command ip access-group 1 out/in
Dijkstra's Algorithm
A protocol on how to communicate with other routers
Associating the network address with a local DLCI.


37. How is the root bridge determined?
The Root bridge is the bridge with the lowest bridge ID
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
Forces protocols to behave as if they were classless
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs


38. Can you delete individual entries in a specific ACL?
Only with Cisco IOS software release 12.3 (2) T
By DLCI's
The lower MAC address
2^n


39. What is OSPF multicast address?
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
224.0.0.5
IP
RIPv2 & EIGRP


40. What two things need to be done to enable dynamic routing?
Select the routing protocol - then specify the network.
Carry's traffic for multiple VLANS
To select the best path to the destination
...


41. What is an Autonomous System?
...
By DLCI's
Scalable and fast convergence
Checks the source address and then permits or denies the entire protocol suite


42. What are the three LMI standards
It is never useful to send information about a route back in the direction from which the original info came.
Test Firsts/ Routes Second
The update only includes info about the route change
Cisco - ANSI - Q.933A


43. How does a Standard ACL work?
Checks the source address and then permits or denies the entire protocol suite
RIPv2 and EIGRP
Multicast
Every 30 Seconds


44. How does EIGRP work with regards to Load Balancing
Loopback
Supports both unequal metric load balancing and equal metric balancing.
A protocol on how to communicate with other routers
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.


45. Max_age time for BPDU's

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


46. Routing protocol is what?
...
A protocol on how to communicate with other routers
20 seconds: 10 missed BPDU's
224.0.0.5


47. Why is EIGRP considered a Hybrid routing protocol?
It combines the advantages of Link-State and Distance vector routing protocols.
Every 10 seconds
Connects the different areas
Link-State


48. Describe a Inbound ACL
Autonomous System
Packets are processed before they are routed to an outbound interface.
Anycast
Ever 2 seconds


49. What is one to nearest
A layer 3 switch or router
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
Advance Distance Vector
Anycast


50. Admin distance of a Static Route?
1
Six equal cost paths
Every 10 Seconds
Aka Subnet mask