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CCNA

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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. With OSPF - what must be defined?
10Mb/s
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
0
A backbone area...Also known as Area 0

2. What does this mean? R 192.168.1.0/24 [120/2] via 10.1.1.2
Every 10 Seconds
Because a loopback interface is always active and cannot be in a down state like a real interface can.
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.
By DLCI's

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

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4. Why is it important to have a loopback address when using OSPF?
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.
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
224.0.0.5
Because a loopback interface is always active and cannot be in a down state like a real interface can.

5. Rip is capable of load balancing over as many as?
16
Only with Cisco IOS software release 12.3 (2) T
Six equal cost paths
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0

6. An OSPF neighbor relationship can also be called what?
MAC based
Advance Distance Vector
Adjacency
Multicast

7. How does a Standard ACL work?
Aka Subnet mask
Bandwidth & Delay
Checks the source address and then permits or denies the entire protocol suite
Every 30 Seconds

8. What are two OSPF authentication methods?
Plaintext and MD5
2^n-2
Autonomous System
To reduce OSPF traffic

9. Formula for determining hosts
16
0
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.
2^n-2

10. Describe a Inbound ACL
A layer 3 switch or router
Packets are processed before they are routed to an outbound interface.
EIGRP - OSPF - RIP
Advance Distance Vector

11. Spanning-Tree coast of 4
Different Autonomous Systems
It combines the advantages of Link-State and Distance vector routing protocols.
1Gb/s
Propagation of partial updates that are sent only to those routers that the changes affect.

12. What is one to nearest
Maximizing address efficiency - organization - summarization
Anycast
A backbone area...Also known as Area 0
30-50 seconds

13. With ACL's where does the router extract information
Packet Header
IETF
32768
A layer 3 switch or router

14. What is the maximum number of paths EIGRP can have for the same destination in it's routing table?
10Mb/s
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
16
Inter-VLAN routing

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

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16. Routers running distances vector routing protocol send periodic updates even if there are no changes in the network. True or False?
TRUE
To reduce OSPF traffic
Forces protocols to behave as if they were classless
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.

17. Wildcard masks filter

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18. Normal time for STP convergence
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
Every 5 seconds
Private: link local
30-50 seconds

19. What two parameters does EIGRP use to determine the best route?
RIPv2 and EIGRP
Individual or group IP's
Advertised Distance & Feasible distance
4

20. How often are LMI's sent out?
RIPv2 and EIGRP
120
Multicast
Every 10 Seconds

21. Can you delete individual entries in a specific ACL?
Domain
The inverse of a subnet mask.
For line vty 0 4
Only with Cisco IOS software release 12.3 (2) T

22. What are the two ways routers can learn about the destination information?
1.) Enter the Routing Manually 2.) Use Dymamic Routing
0
Supports both unequal metric load balancing and equal metric balancing.
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication

23. What type of algorithm does RIP use?
The Root bridge is the bridge with the lowest bridge ID
Distance Vector
Inter-VLAN routing
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication

24. Every ACL will need what?
90
4
The Diffusing Update Algorithm (DUAL)
A permit statement

25. What three types of IPv6 address types are there?
Unicast - Multicast - Anycast
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.
4 times the hello interval
...

26. What does DLCI stand for?
Between areas?
1Gb/s
Each router builds a map of the network and determines the shortest path to every network.
Data Link Connection Identifier

27. What two things need to be done to enable dynamic routing?
Select the routing protocol - then specify the network.
Supports both unequal metric load balancing and equal metric balancing.
Unicast - Multicast - Anycast
Every 10 Seconds

28. How often does a router send link-state advertisements?
Test Firsts/ Routes Second
1.) Enter the Routing Manually 2.) Use Dymamic Routing
4
Every 30 minutes by default

29. In bridge root selection - if the bridge prioritys are the same - what determines root selection?
Private: link local
To select the best path to the destination
The lower MAC address
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.

30. OSPF routes packets within a single?
Aka Subnet mask
Autonomous System
Plaintext and MD5
Port based

31. Spanning-Tree cost of 19
Cisco - ANSI - Q.933A
100Mb/s
A backbone area...Also known as Area 0
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.

32. 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.
Unspecified
2^n
Only with Cisco IOS software release 12.3 (2) T

33. Why is this done?
IETF
To reduce OSPF traffic
A layer 3 switch or router
Loopback

34. Dynamic ACL's are dependent on what?
Telnet connectivity - authentication and extended ACLs
IP
Anycast
Is a classless link-state protocol - creates a neighbor relationship by exchanging hello packets - propagates LSA's rather than routing table updates.

35. Admin distance of a connected Network?
Between areas?
0
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers
Ever 2 seconds

36. What are subinterfaces?
Multiple virtual interfaces that are associated with one physical interface
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
Private: link local

37. How is the root bridge determined?
Packet Header
Null
The Root bridge is the bridge with the lowest bridge ID
Checks the source and destination address then permits or denies specific protocols

38. What is the multicast address for EIGRP?
Every 10 seconds
TRUE
Propagation of partial updates that are sent only to those routers that the changes affect.
224.0.0.10

39. Routing protocol is what?
A protocol on how to communicate with other routers
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
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.
100Mb/s

40. With OSPF - each router builds its SPF tree using the same link-state information - but each will have a separate ________ of the topology
Select the routing protocol - then specify the network.
Cisco - ANSI - Q.933A
View
Packet Header

41. How does an outbound ACL work?
Every 10 Seconds
Six equal cost paths
Routes First/ Tests second
Port based

42. OSPF will elect a what?
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
One ACL per protocol - One ACL per direction - Once ACL per interface
Individual or group IP's
Designated Router (DR) and a Back-up designated Router (BDR)

43. What Layer does Frame Relay operate at?
Layers 1 & 2
Maximizing address efficiency - organization - summarization
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
Packets are processed before they are routed to an outbound interface.

44. What does EIGRP use to calculate it's metric?
Each router builds a map of the network and determines the shortest path to every network.
224.0.0.5
Bandwidth & Delay
Because a loopback interface is always active and cannot be in a down state like a real interface can.

45. By default - EIGRP will perform automatic summarization on classful boundaries. True or False
Null
Telnet connectivity - authentication and extended ACLs
TRUE
Between areas?

46. What are the three LMI standards
Cisco - ANSI - Q.933A
RIPv2 & EIGRP
View
Because a loopback interface is always active and cannot be in a down state like a real interface can.

47. What address is FE80:/10
Port based
Scalable and fast convergence
20 seconds: 10 missed BPDU's
Private: link local

48. For a VLAN to span across multiple switches What is required?
TRUE
A trunk
30-50 seconds
Is a classless link-state protocol - creates a neighbor relationship by exchanging hello packets - propagates LSA's rather than routing table updates.

49. Summarization of network information usually occurs where?
Between areas?
Susceptible to routing loops
Port based
Anycast

50. Break down the word Link-State

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