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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. Admin distance of OSPF?
110
A permit statement
Every 30 Seconds
Cisco - ANSI - Q.933A

2. What is Frame Relay?
Private: link local
Determines the cost which is the bandwidth
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
RIPv2 and EIGRP

3. By default - EIGRP will perform automatic summarization on classful boundaries. True or False
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
TRUE
To select the best path to the destination
16

4. Summarization of network information usually occurs where?
Between areas?
Maximizing address efficiency - organization - summarization
100Mb/s
If int status is UP/UP..Check to make sure OSPF is enabled on the interface

5. Exterior Gateway Protocols are designed for use between
Different Autonomous Systems
1.) Enter the Routing Manually 2.) Use Dymamic Routing
Every 10 Seconds
0

6. What is the Wildcard mask
Null
It is never useful to send information about a route back in the direction from which the original info came.
Packet Header
The inverse of a subnet mask.

7. What is passing VLAN traffic to another called?
DROTHER
Inter-VLAN routing
The Diffusing Update Algorithm (DUAL)
Layers 1 & 2

8. By default OSPF uses what type of authentication?
Cisco - ANSI - Q.933A
A trunk
Null
Telnet connectivity - authentication and extended ACLs

9. What is one to nearest
16
By DLCI's
It is the signaling standard that maintains connection and statues between the DCE and DTE
Anycast

10. What type of algorithm does EIGRP use?
Multiple virtual interfaces that are associated with one physical interface
Propagation of partial updates that are sent only to those routers that the changes affect.
Only topology within their respective area.
Advance Distance Vector

11. What is the spilt horizon rule?
Convergence
It is never useful to send information about a route back in the direction from which the original info came.
The Root bridge is the bridge with the lowest bridge ID
...

12. What is the default Bridge priority?
Every 10 seconds
32768
IETF
Every 30 minutes by default

13. What is the multicast address for EIGRP?
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
224.0.0.10
20 seconds: 10 missed BPDU's
2^n

14. What are the three LMI standards
A group of end stations with a common set of requirements - independent of their physical location
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
Cisco - ANSI - Q.933A
Disable auto summarization

15. What is ::
Unspecified
Routes First/ Tests second
Domain
Maximizing address efficiency - organization - summarization

16. What do you need to do if there are discontigous networks with EIGRP?
...
Carry's traffic for multiple VLANS
Every 10 Seconds
Disable auto summarization

17. What does partial refer to?
The Root bridge is the bridge with the lowest bridge ID
IETF
Loopback
The update only includes info about the route change

18. An OSPF neighbor relationship can also be called what?
Adjacency
A trunk
The Root bridge is the bridge with the lowest bridge ID
4

19. Routers are used for what?
To select the best path to the destination
Port based
Propagation of partial updates that are sent only to those routers that the changes affect.
Autonomous System

20. Formula for determining Subnets
Telnet connectivity - authentication and extended ACLs
2^n
A layer 3 switch or router
MAC based

21. What is the dead interval
Telnet connectivity - authentication and extended ACLs
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
The lower MAC address
Every 10 seconds

22. What is needed to pass traffic from one VLAN to another?
Adjacency
A layer 3 switch or router
Checks the source and destination address then permits or denies specific protocols
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.

23. How often are periodic updates sent out via RIP
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
By DLCI's
Every 30 Seconds
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL

24. Admin distance of RIPv2
120
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
Only topology within their respective area.
Area Border Router

25. What is the default for equal cost paths for load balancing with OSPF?
Area Border Router
A link is an interface on a router
4
Six equal cost paths

26. How does an Extended ACL work?
Checks the source and destination address then permits or denies specific protocols
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
224.0.0.10
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication

27. With OSPF - each router builds its SPF tree using the same link-state information - but each will have a separate ________ of the topology
View
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
Scalable and fast convergence
Test Firsts/ Routes Second

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

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29. What is the purpose of LMI
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
It is the signaling standard that maintains connection and statues between the DCE and DTE
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
100Mb/s

30. Dynamic ACL's are dependent on what?
A layer 3 switch or router
Telnet connectivity - authentication and extended ACLs
2^n-2
RIPv2 and EIGRP

31. How does an outbound ACL work?
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.
Routes First/ Tests second
It is never useful to send information about a route back in the direction from which the original info came.
Designated Router (DR) and a Back-up designated Router (BDR)

32. How often does a router send link-state advertisements?
Every 30 minutes by default
...
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
RIPv2 & EIGRP

33. Advance Distance Vector or Hybrid uses what?
MAC based
A combination of Link-state and distance vector
120
2^n-2

34. Dynamic VLAN is what?
View
MAC based
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
Multicast

35. Spanning-Tree cost of 19
100Mb/s
Loopback
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
If int status is UP/UP..Check to make sure OSPF is enabled on the interface

36. Formula for determining hosts
Different Autonomous Systems
The Diffusing Update Algorithm (DUAL)
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
2^n-2

37. In Link state terminology - What is a link?
It is the signaling standard that maintains connection and statues between the DCE and DTE
The update only includes info about the route change
A link is an interface on a router
RIPv2 and EIGRP

38. What is the default load balancing for RIP
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
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
4
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration

39. What are non designated routers called?
2^n
A trunk
DROTHER
Dijkstra's Algorithm

40. When placing ACL's in the Network...Do what?

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41. With ACL's where does the router extract information
Domain
Cisco - ANSI - Q.933A
Packet Header
The Diffusing Update Algorithm (DUAL)

42. Routers running distances vector routing protocol send periodic updates even if there are no changes in the network. True or False?
Inter-VLAN routing
TRUE
It combines the advantages of Link-State and Distance vector routing protocols.
1Gb/s

43. Normal time for STP convergence
...
1Gb/s
110
30-50 seconds

44. What is ::1
Make sure you are in interface mode - then use this command ip access-group 1 out/in
4
A permit statement
Loopback

45. Wildcard masks filter

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46. VTP Transparent Mode does what?

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47. What does the DR do?
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
IP
Updates all DROTHER Routers when a change occurs
Multiple virtual interfaces that are associated with one physical interface

48. What two classless protocols act classful by default?
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
100Mb/s
RIPv2 & EIGRP
Adjacency

49. What type of authentication does EIGRP use?
MD5 and you have to enable it if you want to use it.
0
110
Every 30 Seconds

50. OSPF will elect a what?
Designated Router (DR) and a Back-up designated Router (BDR)
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Port based
Unicast - Multicast - Anycast