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. How do you configure a sub interface?
Adjacency
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
All backup routes for destinations.
Select the routing protocol - then specify the network.


2. What are two statements that are true of IPv6 address representation?
Only topology within their respective area.
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
4


3. What does a trunk do?

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4. Describe an Outbound ACL
All backup routes for destinations.
Only topology within their respective area.
32768
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL


5. How many hops are allowed with RIP?
The Root bridge is the bridge with the lowest bridge ID
DROTHER
Scalable and fast convergence
15.....16 hops and the interface is down


6. What does the back bone router do?
Unspecified
Between areas?
Connects the different areas
224.0.0.5


7. What is passing VLAN traffic to another called?
Area Border Router
Inter-VLAN routing
Advertised Distance & Feasible distance
4 times the hello interval


8. What is prefix length?
Supports both unequal metric load balancing and equal metric balancing.
Aka Subnet mask
Routes First/ Tests second
It is never useful to send information about a route back in the direction from which the original info came.


9. What are the three LMI standards
4
110
Cisco - ANSI - Q.933A
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration


10. Advance Distance Vector or Hybrid uses what?
Cisco - ANSI - Q.933A
A combination of Link-state and distance vector
Unspecified
Six equal cost paths


11. With ACL's where does the router extract information
Packet Header
Every 5 seconds
Every 30 Seconds
Only with Cisco IOS software release 12.3 (2) T


12. Benefits of OSPF?
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
Scalable and fast convergence
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.


13. What is ::1
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Six equal cost paths
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.
Loopback


14. What does DLCI stand for?
15.....16 hops and the interface is down
Link-State
Data Link Connection Identifier
Test Firsts/ Routes Second


15. How often does a router send link-state advertisements?
Every 30 Seconds
Aka Subnet mask
Each router builds a map of the network and determines the shortest path to every network.
Every 30 minutes by default


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

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17. Describe features of RIPv1
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
Every 5 seconds
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
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.


18. In bridge root selection - if the bridge prioritys are the same - what determines root selection?
Match on all routers or it will not work
TRUE
The lower MAC address
By DLCI's


19. What type of algorithm does OSPF & IS-IS use?
No
Link-State
Convergence
Updates all DROTHER Routers when a change occurs


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

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21. What are the two ways routers can learn about the destination information?
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
1.) Enter the Routing Manually 2.) Use Dymamic Routing
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
32768


22. What is the spilt horizon rule?
15.....16 hops and the interface is down
A protocol on how to communicate with other routers
110
It is never useful to send information about a route back in the direction from which the original info came.


23. What two things need to be done to enable dynamic routing?
The inverse of a subnet mask.
Anycast
A group of end stations with a common set of requirements - independent of their physical location
Select the routing protocol - then specify the network.


24. Spanning-Tree coast of 4
2^n
1Gb/s
A backbone area...Also known as Area 0
4


25. Can you delete individual entries in a specific ACL?
A permit statement
16
Packet Header
Only with Cisco IOS software release 12.3 (2) T


26. What distant vector protocols exhibit classless behavior?
The Root bridge is the bridge with the lowest bridge ID
RIPv2 and EIGRP
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
Associating the network address with a local DLCI.


27. Wildcard masks filter

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28. VTP Client Mode does what?

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29. Problem with static routes
1.) Enter the Routing Manually 2.) Use Dymamic Routing
Not scalable - hard to maintain as the network grows
15.....16 hops and the interface is down
Match on all routers or it will not work


30. Nonbackbone - internal routers are aware of what topology
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
The Root bridge is the bridge with the lowest bridge ID
Only topology within their respective area.
0


31. Why is it important to have a loopback address when using OSPF?
MAC based
Advance Distance Vector
Anycast
Because a loopback interface is always active and cannot be in a down state like a real interface can.


32. Example of a Routed Protocol?
To select the best path to the destination
The Root bridge is the bridge with the lowest bridge ID
Private: link local
IP


33. 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
All backup routes for destinations.
IETF


34. What type of authentication does EIGRP use?
MD5 and you have to enable it if you want to use it.
Cisco - ANSI - Q.933A
Port based
Packet Header


35. What do area's do?
Reduce the link-state database and routing table
The Diffusing Update Algorithm (DUAL)
Determines the cost which is the bandwidth
Cisco - ANSI - Q.933A


36. What is needed to pass traffic from one VLAN to another?
A layer 3 switch or router
It is never useful to send information about a route back in the direction from which the original info came.
Domain
Multicast


37. Describe a Inbound ACL
The Diffusing Update Algorithm (DUAL)
30-50 seconds
Packets are processed before they are routed to an outbound interface.
Telnet connectivity - authentication and extended ACLs


38. What does EIGRP use to calculate it's metric?
Dijkstra's Algorithm
Cisco - ANSI - Q.933A
224.0.0.10
Bandwidth & Delay


39. What is the default for equal cost paths for load balancing with OSPF?
4
Autonomous System
Updates all DROTHER Routers when a change occurs
Each router builds a map of the network and determines the shortest path to every network.


40. What two classless protocols act classful by default?
Updates all DROTHER Routers when a change occurs
RIPv2 & EIGRP
Unspecified
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address


41. Classful Protocols summarize
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.
IP
Automatically
A group of end stations with a common set of requirements - independent of their physical location


42. What is Frame Relay?
A link is an interface on a router
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
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
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.


43. How do you configure OSPF
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
Routes First/ Tests second
TRUE
Checks the source and destination address then permits or denies specific protocols


44. Dynamic VLAN is what?
EIGRP - OSPF - RIP
MAC based
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.
The inverse of a subnet mask.


45. OSPF routes packets within a single?
The lower MAC address
Autonomous System
MAC based
Multiple virtual interfaces that are associated with one physical interface


46. Problem with RIP
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.
Layers 1 & 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
Susceptible to routing loops


47. Admin distance of a Static Route?
1
Domain
The update only includes info about the route change
A combination of Link-state and distance vector


48. What is ::
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
Unspecified
Maximizing address efficiency - organization - summarization
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs


49. What two parameters does EIGRP use to determine the best route?
Adjacency
Advertised Distance & Feasible distance
A permit statement
Six equal cost paths


50. OSPF will elect a what?
Designated Router (DR) and a Back-up designated Router (BDR)
Area Border Router
Distance Vector
Unicast - Multicast - Anycast