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 does partial refer to?
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
The update only includes info about the route change
A group of end stations with a common set of requirements - independent of their physical location
IETF


2. The advantages of VLSM
Reduce the link-state database and routing table
It is the signaling standard that maintains connection and statues between the DCE and DTE
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
Maximizing address efficiency - organization - summarization


3. What is one to nearest
Null
Only with Cisco IOS software release 12.3 (2) T
Anycast
...


4. In bridge root selection - if the bridge prioritys are the same - what determines root selection?
The lower MAC address
It combines the advantages of Link-State and Distance vector routing protocols.
Every 10 Seconds
Every 30 minutes by default


5. What are the three LMI standards
Multicast
A trunk
Cisco - ANSI - Q.933A
Advance Distance Vector


6. The AS number must what?
90
20 seconds: 10 missed BPDU's
Aka Subnet mask
Match on all routers or it will not work


7. 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
1
Because a loopback interface is always active and cannot be in a down state like a real interface can.
1.) Enter the Routing Manually 2.) Use Dymamic Routing


8. What type of algorithm does OSPF & IS-IS use?
Cisco - ANSI - Q.933A
Every 5 seconds
No
Link-State


9. What is the dead interval
Propagation of partial updates that are sent only to those routers that the changes affect.
Checks the source address and then permits or denies the entire protocol suite
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
DROTHER


10. What does the back bone router do?
Aka Subnet mask
Connects the different areas
Only with Cisco IOS software release 12.3 (2) T
MD5 and you have to enable it if you want to use it.


11. What are non designated routers called?
Cisco - ANSI - Q.933A
DROTHER
1
Loopback


12. With OSPF - each router builds its SPF tree using the same link-state information - but each will have a separate ________ of the topology
Domain
Make sure you are in interface mode - then use this command ip access-group 1 out/in
...
View


13. When do you use Access-Class
Not scalable - hard to maintain as the network grows
Supports both unequal metric load balancing and equal metric balancing.
Domain
For line vty 0 4


14. What is an Autonomous System?
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
...
Inter-VLAN routing
A group of end stations with a common set of requirements - independent of their physical location


15. Why is EIGRP considered a Hybrid routing protocol?
Adjacency
It combines the advantages of Link-State and Distance vector routing protocols.
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Aka Subnet mask


16. What type of algorithm does EIGRP use?
Routes First/ Tests second
Advance Distance Vector
DROTHER
A protocol on how to communicate with other routers


17. Example of a Routing Protocol?
Individual or group IP's
Unspecified
Propagation of partial updates that are sent only to those routers that the changes affect.
EIGRP - OSPF - RIP


18. What type of authentication does EIGRP use?
MD5 and you have to enable it if you want to use it.
A link is an interface on a router
A combination of Link-state and distance vector
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers


19. What is the multicast address for EIGRP?
Bandwidth & Delay
Plaintext and MD5
224.0.0.10
Domain


20. Problem with static routes
Individual or group IP's
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.
Not scalable - hard to maintain as the network grows
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication


21. How often are OSPF hello packets sent out?
EIGRP - OSPF - RIP
Between areas?
Every 10 seconds
20 seconds: 10 missed BPDU's


22. How does the SPF determine the shortest path?
Determines the cost which is the bandwidth
IP
IETF
Susceptible to routing loops


23. How does a Standard ACL work?
It combines the advantages of Link-State and Distance vector routing protocols.
Propagation of partial updates that are sent only to those routers that the changes affect.
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.
Checks the source address and then permits or denies the entire protocol suite


24. How do you configure OSPF
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
View
Area Border Router
It combines the advantages of Link-State and Distance vector routing protocols.


25. Wildcard masks filter

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


26. Max_age time for BPDU's

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


27. Admin distance of RIPv2
The update only includes info about the route change
224.0.0.5
16
120


28. What distant vector protocols exhibit classless behavior?
Connects the different areas
RIPv2 and EIGRP
Designated Router (DR) and a Back-up designated Router (BDR)
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.


29. Normal time for STP convergence
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
Associating the network address with a local DLCI.
Only topology within their respective area.
30-50 seconds


30. What two things need to be done to enable dynamic routing?
15.....16 hops and the interface is down
Each router builds a map of the network and determines the shortest path to every network.
Select the routing protocol - then specify the network.
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.


31. How is the root bridge determined?
A group of end stations with a common set of requirements - independent of their physical location
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
IP
The Root bridge is the bridge with the lowest bridge ID


32. What are two OSPF authentication methods?
Packets are processed before they are routed to an outbound interface.
Link-State
Plaintext and MD5
The lower MAC address


33. How often are LMI's sent out?
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
Every 10 Seconds
Every 5 seconds
Maximizing address efficiency - organization - summarization


34. How does EIGRP work with regards to Load Balancing
Private: link local
All backup routes for destinations.
Supports both unequal metric load balancing and equal metric balancing.
View


35. What does EIGRP use to calculate it's metric?
Bandwidth & Delay
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
No
Every 10 seconds


36. VTP Server Mode does what?

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


37. 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


38. OSPF will elect a what?
Adjacency
Designated Router (DR) and a Back-up designated Router (BDR)
Area Border Router
EIGRP - OSPF - RIP


39. Summarization of network information usually occurs where?
Adjacency
Link-State
Between areas?
Null


40. What Layer does Frame Relay operate at?
224.0.0.5
Layers 1 & 2
20 seconds: 10 missed BPDU's
Disable auto summarization


41. What is one to many?
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
Multicast
Autonomous System
Adjacency


42. With OSPF - what must be defined?
Only topology within their respective area.
DROTHER
A backbone area...Also known as Area 0
A group of end stations with a common set of requirements - independent of their physical location


43. What address is FE80:/10
4
One ACL per protocol - One ACL per direction - Once ACL per interface
Private: link local
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.


44. What is the purpose of LMI
It is the signaling standard that maintains connection and statues between the DCE and DTE
Ever 2 seconds
0
Susceptible to routing loops


45. What does this mean? R 192.168.1.0/24 [120/2] via 10.1.1.2
Supports both unequal metric load balancing and equal metric balancing.
10Mb/s
To select the best path to the destination
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.


46. How many hops are allowed with RIP?
15.....16 hops and the interface is down
MAC based
Susceptible to routing loops
Checks the source and destination address then permits or denies specific protocols


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. What algorithm does EIGRP use?
EIGRP - OSPF - RIP
The Diffusing Update Algorithm (DUAL)
The inverse of a subnet mask.
Associating the network address with a local DLCI.


49. What is the default Bridge priority?
The Root bridge is the bridge with the lowest bridge ID
Inter-VLAN routing
Only with Cisco IOS software release 12.3 (2) T
32768


50. How do you configure a sub interface?
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
Cisco - ANSI - Q.933A
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
Dijkstra's Algorithm