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. How is an EUI-64 format interface ID created from a 48-Bit MAC address
Test Firsts/ Routes Second
2^n
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
120


2. In regards to ACL's What are the three protocols?
100Mb/s
It is the signaling standard that maintains connection and statues between the DCE and DTE
One ACL per protocol - One ACL per direction - Once ACL per interface
4


3. Rip is capable of load balancing over as many as?
A group of end stations with a common set of requirements - independent of their physical location
Carry's traffic for multiple VLANS
MD5 and you have to enable it if you want to use it.
Six equal cost paths


4. Formula for determining hosts
2^n-2
Select the routing protocol - then specify the network.
A group of end stations with a common set of requirements - independent of their physical location
Is a classless link-state protocol - creates a neighbor relationship by exchanging hello packets - propagates LSA's rather than routing table updates.


5. What is ::1
Loopback
For line vty 0 4
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.


6. Classful Protocols summarize
A trunk
120
Automatically
16


7. Problem with RIP
Domain
A trunk
The update only includes info about the route change
Susceptible to routing loops


8. With ACL's where does the router extract information
Inter-VLAN routing
Checks the source and destination address then permits or denies specific protocols
0
Packet Header


9. What are two OSPF authentication methods?
Packets are processed before they are routed to an outbound interface.
DROTHER
Plaintext and MD5
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.


10. For an adjacency to occur what do the routers have to agree on?
224.0.0.10
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Maximizing address efficiency - organization - summarization
32768


11. What is needed to pass traffic from one VLAN to another?
Between areas?
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
A layer 3 switch or router
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.


12. How does the SPF determine the shortest path?
Packet Header
Multicast
It is the signaling standard that maintains connection and statues between the DCE and DTE
Determines the cost which is the bandwidth


13. Admin distance of a connected Network?
A backbone area...Also known as Area 0
0
RIPv2 & EIGRP
Supports both unequal metric load balancing and equal metric balancing.


14. Every ACL will need what?
A permit statement
Advance Distance Vector
For line vty 0 4
Area Border Router


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

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


16. What are two statements that are true of IPv6 address representation?
A permit statement
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
Data Link Connection Identifier
If int status is UP/UP..Check to make sure OSPF is enabled on the interface


17. How often does a router send link-state advertisements?
A combination of Link-state and distance vector
Every 30 minutes by default
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.
Packet Header


18. Advance Distance Vector or Hybrid uses what?
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
Ever 2 seconds
Updates all DROTHER Routers when a change occurs
A combination of Link-state and distance vector


19. VTP Transparent Mode does what?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


20. Describe features of RIPv2
Adjacency
Each router builds a map of the network and determines the shortest path to every network.
Telnet connectivity - authentication and extended ACLs
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication


21. Break down the word Link-State

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


22. VTP Client Mode does what?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


23. Spanning-Tree cost of 19
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available
100Mb/s
30-50 seconds
A group of end stations with a common set of requirements - independent of their physical location


24. Routers are used for what?
To select the best path to the destination
Loopback
Susceptible to routing loops
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication


25. What are non designated routers called?
Inter-VLAN routing
All backup routes for destinations.
MD5 and you have to enable it if you want to use it.
DROTHER


26. How do you apply the ACL to an interface
Cisco - ANSI - Q.933A
Make sure you are in interface mode - then use this command ip access-group 1 out/in
Unicast - Multicast - Anycast
MAC based


27. What is the Wildcard mask
Maximizing address efficiency - organization - summarization
The inverse of a subnet mask.
It combines the advantages of Link-State and Distance vector routing protocols.
Dijkstra's Algorithm


28. What is the default for equal cost paths for load balancing with OSPF?
4
Every 30 minutes by default
Ever 2 seconds
Only topology within their respective area.


29. Benefits of OSPF?
Scalable and fast convergence
Associating the network address with a local DLCI.
A layer 3 switch or router
Determines the cost which is the bandwidth


30. How does an outbound ACL work?
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
A combination of Link-state and distance vector
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


31. When do you use Access-Class
Multiple virtual interfaces that are associated with one physical interface
To select the best path to the destination
For line vty 0 4
Only with Cisco IOS software release 12.3 (2) T


32. How does EIGRP work with regards to Load Balancing
Supports both unequal metric load balancing and equal metric balancing.
Null
...
110


33. How often are periodic updates sent out via RIP
Dijkstra's Algorithm
Every 30 Seconds
Maximizing address efficiency - organization - summarization
RIPv2 & EIGRP


34. How often are BPDU's sent?
The inverse of a subnet mask.
Checks the source address and then permits or denies the entire protocol suite
Ever 2 seconds
If int status is UP/UP..Check to make sure OSPF is enabled on the interface


35. VTP Server Mode does what?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


36. With OSPF - each router builds its SPF tree using the same link-state information - but each will have a separate ________ of the topology
Every 30 minutes by default
Bandwidth & Delay
View
A trunk


37. An autonomous system could also be referred to as what?
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.
Domain
Packet Header
Packets are processed before they are routed to an outbound interface.


38. In frame relay What is Inverse Arp
Associating the network address with a local DLCI.
IP
Only with Cisco IOS software release 12.3 (2) T
Packet Header


39. Can a Router exchange routing information if they are using different Routing Protocols?
No
Every 10 Seconds
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.
Dijkstra's Algorithm


40. Problem with static routes
10Mb/s
32768
Not scalable - hard to maintain as the network grows
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication


41. An OSPF neighbor relationship can also be called what?
Adjacency
4
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


42. What is an Autonomous System?
...
Plaintext and MD5
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
Each router builds a map of the network and determines the shortest path to every network.


43. How does an Extended ACL work?
Supports both unequal metric load balancing and equal metric balancing.
Checks the source and destination address then permits or denies specific protocols
It combines the advantages of Link-State and Distance vector routing protocols.
Anycast


44. What type of algorithm does EIGRP use?
MAC based
Advance Distance Vector
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
Forces protocols to behave as if they were classless


45. What is OSPF multicast address?
Supports both unequal metric load balancing and equal metric balancing.
20 seconds: 10 missed BPDU's
1Gb/s
224.0.0.5


46. The AS number must what?
The lower MAC address
Multiple virtual interfaces that are associated with one physical interface
Match on all routers or it will not work
It combines the advantages of Link-State and Distance vector routing protocols.


47. How often are LMI's sent out?
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
Unicast - Multicast - Anycast
For line vty 0 4
Every 10 Seconds


48. How many hops are allowed with RIP?
Domain
15.....16 hops and the interface is down
Match on all routers or it will not work
Dijkstra's Algorithm


49. Purpose of a Routing Protocol?
Every 10 seconds
MAC based
Advance Distance Vector
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available


50. Why is this done?
Every 10 seconds
To reduce OSPF traffic
IETF
Each router builds a map of the network and determines the shortest path to every network.