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 are two statements that are true of IPv6 address representation?
TRUE
The Root bridge is the bridge with the lowest bridge ID
Unspecified
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.


2. How often does a router send link-state advertisements?
MD5 and you have to enable it if you want to use it.
Every 30 minutes by default
Supports both unequal metric load balancing and equal metric balancing.
Ever 2 seconds


3. Why is EIGRP considered a Hybrid routing protocol?
By DLCI's
A protocol on how to communicate with other routers
Checks the source address and then permits or denies the entire protocol suite
It combines the advantages of Link-State and Distance vector routing protocols.


4. In regards to ACL's What are the three protocols?
4
Bandwidth & Delay
One ACL per protocol - One ACL per direction - Once ACL per interface
For line vty 0 4


5. Rip is capable of load balancing over as many as?
Six equal cost paths
30-50 seconds
1.) Enter the Routing Manually 2.) Use Dymamic Routing
224.0.0.10


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

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7. Admin distance of OSPF?
Unspecified
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.
110
Only with Cisco IOS software release 12.3 (2) T


8. Explain OSPF

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9. What is the default load balancing for RIP
4
100Mb/s
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
Each router builds a map of the network and determines the shortest path to every network.


10. How do you apply the ACL to an interface
The inverse of a subnet mask.
Make sure you are in interface mode - then use this command ip access-group 1 out/in
Scalable and fast convergence
Every 5 seconds


11. What is the multicast address for EIGRP?
Advertised Distance & Feasible distance
224.0.0.10
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
Because a loopback interface is always active and cannot be in a down state like a real interface can.


12. What three types of IPv6 address types are there?
Unicast - Multicast - Anycast
DROTHER
Advertised Distance & Feasible distance
Routes First/ Tests second


13. What does bounded refer to?
Propagation of partial updates that are sent only to those routers that the changes affect.
The Diffusing Update Algorithm (DUAL)
Scalable and fast convergence
32768


14. What are non designated routers called?
DROTHER
...
The Root bridge is the bridge with the lowest bridge ID
Adjacency


15. Wildcard masks filter

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16. For an adjacency to occur what do the routers have to agree on?
Every 10 seconds
By DLCI's
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Associating the network address with a local DLCI.


17. What is the purpose of LMI
Bandwidth & Delay
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
Forces protocols to behave as if they were classless
It is the signaling standard that maintains connection and statues between the DCE and DTE


18. What are the two ways routers can learn about the destination information?
TRUE
Scalable and fast convergence
1.) Enter the Routing Manually 2.) Use Dymamic Routing
Link-State


19. What is the default Bridge priority?
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
32768
Data Link Connection Identifier
It is the signaling standard that maintains connection and statues between the DCE and DTE


20. Dynamic ACL's are dependent on what?
Port based
Test Firsts/ Routes Second
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
Telnet connectivity - authentication and extended ACLs


21. What distant vector protocols exhibit classless behavior?
RIPv2 and EIGRP
Unspecified
Adjacency
Area Border Router


22. What are the three LMI standards
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
1
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
Cisco - ANSI - Q.933A


23. What Layer does Frame Relay operate at?
Layers 1 & 2
Checks the source address and then permits or denies the entire protocol suite
All backup routes for destinations.
To select the best path to the destination


24. How does EIGRP work with regards to Load Balancing
A link is an interface on a router
Supports both unequal metric load balancing and equal metric balancing.
Null
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication


25. With ACL's where does the router extract information
Packet Header
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
View
A link is an interface on a router


26. What is OSPF multicast address?
224.0.0.5
A link is an interface on a router
IP
TRUE


27. How does an outbound ACL work?
Routes First/ Tests second
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
Determines the cost which is the bandwidth
Associating the network address with a local DLCI.


28. VTP Server Mode does what?

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29. What type of authentication does EIGRP use?
MD5 and you have to enable it if you want to use it.
Plaintext and MD5
TRUE
Bandwidth & Delay


30. What type of algorithm does EIGRP use?
110
0
Advance Distance Vector
The Diffusing Update Algorithm (DUAL)


31. Describe a Inbound ACL
Data Link Connection Identifier
Link-State
Packets are processed before they are routed to an outbound interface.
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.


32. The no auto-summary command does what?
2^n-2
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
Forces protocols to behave as if they were classless
Test Firsts/ Routes Second


33. Static VLAN is what?
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
Port based
A permit statement
Advertised Distance & Feasible distance


34. Spanning-Tree cost of 19
...
Unicast - Multicast - Anycast
100Mb/s
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.


35. What is one to nearest
Susceptible to routing loops
Unspecified
1
Anycast


36. How is the root bridge determined?
Make sure you are in interface mode - then use this command ip access-group 1 out/in
The Root bridge is the bridge with the lowest bridge ID
224.0.0.10
RIPv2 and EIGRP


37. Describe features of RIPv1
Advance Distance Vector
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
The inverse of a subnet mask.
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication


38. By default - EIGRP will perform automatic summarization on classful boundaries. True or False
Reduce the link-state database and routing table
TRUE
120
MAC based


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

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40. Spanning-Tree cost of 100
15.....16 hops and the interface is down
The inverse of a subnet mask.
Advance Distance Vector
10Mb/s


41. How does inbound ACL work?
Every 30 Seconds
1
Test Firsts/ Routes Second
Supports both unequal metric load balancing and equal metric balancing.


42. Routers running distances vector routing protocol send periodic updates even if there are no changes in the network. True or False?
Multiple virtual interfaces that are associated with one physical interface
MAC based
TRUE
Telnet connectivity - authentication and extended ACLs


43. What do you need to do if there are discontigous networks with EIGRP?
Plaintext and MD5
Disable auto summarization
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
A trunk


44. The advantages of VLSM
Anycast
Ever 2 seconds
Maximizing address efficiency - organization - summarization
Not scalable - hard to maintain as the network grows


45. Admin distance of a Static Route?
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Cisco - ANSI - Q.933A
Null
1


46. How many hops are allowed with RIP?
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
Every 10 Seconds
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
15.....16 hops and the interface is down


47. What does DLCI stand for?
Ever 2 seconds
Packet Header
Data Link Connection Identifier
Plaintext and MD5


48. How does the SPF determine the shortest path?
For line vty 0 4
16
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
Determines the cost which is the bandwidth


49. What type of algorithm does RIP use?
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers
Distance Vector
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
A link is an interface on a router


50. What is ::
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
Unspecified
16
Scalable and fast convergence