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CCNA

Instructions:

Answer 50 questions in 15 minutes.
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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. Why is EIGRP considered a Hybrid routing protocol?
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
Checks the source and destination address then permits or denies specific protocols
It combines the advantages of Link-State and Distance vector routing protocols.
15.....16 hops and the interface is down

2. How are Frame Relay Circuits identified?

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3. Admin distance of EIGRP?
Propagation of partial updates that are sent only to those routers that the changes affect.
90
Not scalable - hard to maintain as the network grows
The Root bridge is the bridge with the lowest bridge ID

4. Normal time for STP convergence
30-50 seconds
Data Link Connection Identifier
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
IP

5. What is the maximum number of paths EIGRP can have for the same destination in it's routing table?
16
Disable auto summarization
Six equal cost paths
IP

6. The advantages of VLSM
A protocol on how to communicate with other routers
1
Every 5 seconds
Maximizing address efficiency - organization - summarization

7. Admin distance of a connected Network?
To reduce OSPF traffic
0
Checks the source address and then permits or denies the entire protocol suite
MAC based

8. What does DLCI stand for?
110
Data Link Connection Identifier
A protocol on how to communicate with other routers
Propagation of partial updates that are sent only to those routers that the changes affect.

9. What is ::1
A group of end stations with a common set of requirements - independent of their physical location
Cisco - ANSI - Q.933A
Loopback
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available

10. VTP Client Mode does what?

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11. Purpose of a Routing Protocol?
Not scalable - hard to maintain as the network grows
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
Telnet connectivity - authentication and extended ACLs
Inter-VLAN routing

12. What is the default Bridge priority?
32768
TRUE
All backup routes for destinations.
Susceptible to routing loops

13. What is prefix length?
Advance Distance Vector
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.
110
Aka Subnet mask

14. Example of a Routed Protocol?
IP
2^n-2
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.
Data Link Connection Identifier

15. OSPF will elect a what?
Designated Router (DR) and a Back-up designated Router (BDR)
Maximizing address efficiency - organization - summarization
224.0.0.5
It combines the advantages of Link-State and Distance vector routing protocols.

16. Admin distance of RIPv2
Between areas?
120
Advertised Distance & Feasible distance
TRUE

17. Spanning-Tree cost of 100
10Mb/s
Checks the source and destination address then permits or denies specific protocols
Data Link Connection Identifier
Ever 2 seconds

18. How often are BPDU's sent?
Carry's traffic for multiple VLANS
2^n
Ever 2 seconds
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.

19. In frame relay What is Inverse Arp
0
Supports both unequal metric load balancing and equal metric balancing.
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
Associating the network address with a local DLCI.

20. What are two OSPF authentication methods?
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
Plaintext and MD5
To reduce OSPF traffic
100Mb/s

21. Max_age time for BPDU's

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22. What are two statements that are true of IPv6 address representation?
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
One ACL per protocol - One ACL per direction - Once ACL per interface
TRUE
TRUE

23. What is the dead interval
The Diffusing Update Algorithm (DUAL)
No
A layer 3 switch or router
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.

24. How do you configure a sub interface?
Link-State
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
Make sure you are in interface mode - then use this command ip access-group 1 out/in
Not scalable - hard to maintain as the network grows

25. What do area's do?
Advance Distance Vector
Convergence
A trunk
Reduce the link-state database and routing table

26. Routing protocol is what?
A protocol on how to communicate with other routers
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
Adjacency
1Gb/s

27. Problem with RIP
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Susceptible to routing loops
For line vty 0 4
120

28. The no auto-summary command does what?
90
0
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
Forces protocols to behave as if they were classless

29. What address is FE80:/10
Private: link local
Routes First/ Tests second
No
2^n-2

30. What are the major components of OSPF troubleshooting?
Bandwidth & Delay
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
Determines the cost which is the bandwidth
Unspecified

31. Describe features of RIPv2
Forces protocols to behave as if they were classless
Packets are processed before they are routed to an outbound interface.
Ever 2 seconds
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication

32. Static VLAN is what?
The inverse of a subnet mask.
Unicast - Multicast - Anycast
Ever 2 seconds
Port based

33. Example of a Routing Protocol?
RIPv2 and EIGRP
EIGRP - OSPF - RIP
10Mb/s
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.

34. How does inbound ACL work?
RIPv2 & EIGRP
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
Associating the network address with a local DLCI.
Test Firsts/ Routes Second

35. How do you apply the ACL to an interface
2^n-2
Make sure you are in interface mode - then use this command ip access-group 1 out/in
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 permit statement

36. By default - EIGRP will perform automatic summarization on classful boundaries. True or False
Multicast
TRUE
Match on all routers or it will not work
Individual or group IP's

37. Spanning-Tree coast of 4
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Anycast
The inverse of a subnet mask.
1Gb/s

38. What three types of IPv6 address types are there?
RIPv2 & EIGRP
1Gb/s
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
Unicast - Multicast - Anycast

39. How often are LMI's sent out?
Automatically
Every 10 Seconds
Different Autonomous Systems
224.0.0.5

40. Classful Protocols summarize
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
RIPv2 and EIGRP
Automatically
Individual or group IP's

41. Explain OSPF

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42. What is the default for equal cost paths for load balancing with OSPF?
4
TRUE
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Test Firsts/ Routes Second

43. With ACL's where does the router extract information
Autonomous System
Connects the different areas
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
Packet Header

44. What is Frame Relay?
Every 10 seconds
MAC based
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
30-50 seconds

45. How does an Extended ACL work?
Checks the source and destination address then permits or denies specific protocols
Determines the cost which is the bandwidth
Scalable and fast convergence
Plaintext and MD5

46. Summarization of network information usually occurs where?
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
15.....16 hops and the interface is down
Between areas?
90

47. When do you use Access-Class
For line vty 0 4
By DLCI's
Forces protocols to behave as if they were classless
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL

48. What does bounded refer to?
Propagation of partial updates that are sent only to those routers that the changes affect.
Every 10 seconds
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
Disable auto summarization

49. What type of algorithm does OSPF & IS-IS use?
The inverse of a subnet mask.
Match on all routers or it will not work
16
Link-State

50. Who designed OSPF?
Unicast - Multicast - Anycast
1Gb/s
IETF
A permit statement