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. Formula for determining Subnets
Bandwidth & Delay
2^n
One ACL per protocol - One ACL per direction - Once ACL per interface
Individual or group IP's


2. With ACL's where does the router extract information
224.0.0.10
Automatically
Every 10 Seconds
Packet Header


3. What is needed to pass traffic from one VLAN to another?
Each router builds a map of the network and determines the shortest path to every network.
A layer 3 switch or router
Carry's traffic for multiple VLANS
Individual or group IP's


4. How are Frame Relay Circuits identified?

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


5. Nonbackbone - internal routers are aware of what topology
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
Only topology within their respective area.
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
The lower MAC address


6. For a VLAN to span across multiple switches What is required?
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
Routes First/ Tests second
Null
A trunk


7. Example of a Routed Protocol?
To reduce OSPF traffic
IP
Every 10 Seconds
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.


8. Example of a Routing Protocol?
...
EIGRP - OSPF - RIP
1Gb/s
Every 30 minutes by default


9. Wildcard masks filter

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


10. How does the SPF determine the shortest path?
Determines the cost which is the bandwidth
No
0
To select the best path to the destination


11. The time delay for a router to match a network change?
Because a loopback interface is always active and cannot be in a down state like a real interface can.
...
Convergence
A group of end stations with a common set of requirements - independent of their physical location


12. VTP Transparent Mode does what?

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


13. The no auto-summary command does what?
Forces protocols to behave as if they were classless
1
Advance Distance Vector
It combines the advantages of Link-State and Distance vector routing protocols.


14. Advance Distance Vector or Hybrid uses what?
A combination of Link-state and distance vector
Inter-VLAN routing
Match on all routers or it will not work
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.


15. What are two statements that are true of IPv6 address representation?
Cisco - ANSI - Q.933A
Multiple virtual interfaces that are associated with one physical interface
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
Packets are processed before they are routed to an outbound interface.


16. Purpose of a Routing Protocol?
EIGRP - OSPF - RIP
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
Distance Vector
Discovery of Remote Networks - Maintaining Up to date information - Choosing the best path available


17. With OSPF - each router builds its SPF tree using the same link-state information - but each will have a separate ________ of the topology
View
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
Multiple virtual interfaces that are associated with one physical interface


18. Spanning-Tree cost of 100
A combination of Link-state and distance vector
10Mb/s
2^n-2
Multiple virtual interfaces that are associated with one physical interface


19. What is one to nearest
1Gb/s
Anycast
The Diffusing Update Algorithm (DUAL)
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication


20. What is the default Bridge priority?
A group of end stations with a common set of requirements - independent of their physical location
32768
Anycast
16


21. What are the major components of OSPF troubleshooting?
...
224.0.0.5
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
Every 30 minutes by default


22. Admin distance of a Static Route?
1
15.....16 hops and the interface is down
Different Autonomous Systems
EIGRP - OSPF - RIP


23. In frame relay What is Inverse Arp
By insereting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address
A protocol on how to communicate with other routers
Associating the network address with a local DLCI.
IP


24. An autonomous system could also be referred to as what?
224.0.0.5
Domain
The Diffusing Update Algorithm (DUAL)
4 times the hello interval


25. How often does EIGRP send hellow packets?
A group of end stations with a common set of requirements - independent of their physical location
Every 5 seconds
Make sure you are in interface mode - then use this command ip access-group 1 out/in
...


26. What is the default for equal cost paths for load balancing with OSPF?
Checks the source address and then permits or denies the entire protocol suite
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers
4
Checks the source and destination address then permits or denies specific protocols


27. Routing protocol is what?
Packets are processed before they are routed to an outbound interface.
DROTHER
Routes First/ Tests second
A protocol on how to communicate with other routers


28. How often does a router send link-state advertisements?
Individual or group IP's
Every 30 minutes by default
1
Advertised Distance & Feasible distance


29. How often are periodic updates sent out via RIP
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
Every 30 Seconds
To select the best path to the destination
Only topology within their respective area.


30. Exterior Gateway Protocols are designed for use between
Different Autonomous Systems
Make sure you are in interface mode - then use this command ip access-group 1 out/in
Determines the cost which is the bandwidth
2^n


31. What is an ABR
Advertised Distance & Feasible distance
Every 10 seconds
20 seconds: 10 missed BPDU's
Area Border Router


32. For an adjacency to occur what do the routers have to agree on?
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
1
OSPF Neighbor adjacencies - OSPF routing table - and OSPF authentication
A combination of Link-state and distance vector


33. What is the default load balancing for RIP
Telnet connectivity - authentication and extended ACLs
4
Port based
Unspecified


34. VTP Client Mode does what?

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


35. How do you configure a sub interface?
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
Between areas?
1


36. What is Frame Relay?
Each router builds a map of the network and determines the shortest path to every network.
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.
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.


37. What does EIGRP use to calculate it's metric?
Not scalable - hard to maintain as the network grows
15.....16 hops and the interface is down
Bandwidth & Delay
Associating the network address with a local DLCI.


38. The advantages of VLSM
IETF
Maximizing address efficiency - organization - summarization
Ever 2 seconds
Forces protocols to behave as if they were classless


39. What is a VLAN
Match on all routers or it will not work
Ever 2 seconds
0
A group of end stations with a common set of requirements - independent of their physical location


40. With OSPF - what must be defined?
Associating the network address with a local DLCI.
Distance Vector
4
A backbone area...Also known as Area 0


41. What type of authentication does EIGRP use?
MD5 and you have to enable it if you want to use it.
Carry's traffic for multiple VLANS
Forces protocols to behave as if they were classless
TRUE


42. OSPF will elect a what?
20 seconds: 10 missed BPDU's
Adjacency
TRUE
Designated Router (DR) and a Back-up designated Router (BDR)


43. Every ACL will need what?
Checks the source address and then permits or denies the entire protocol suite
A permit statement
Routes First/ Tests second
Is a classless link-state protocol - creates a neighbor relationship by exchanging hello packets - propagates LSA's rather than routing table updates.


44. What is passing VLAN traffic to another called?
Connects the different areas
The Diffusing Update Algorithm (DUAL)
Inter-VLAN routing
100Mb/s


45. What is the spilt horizon rule?
A permit statement
Every 5 seconds
It is never useful to send information about a route back in the direction from which the original info came.
Ever 2 seconds


46. How does an outbound ACL work?
Connects the different areas
Routes First/ Tests second
20 seconds: 10 missed BPDU's
Domain


47. What does this mean? R 192.168.1.0/24 [120/2] via 10.1.1.2
1Gb/s
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 Diffusing Update Algorithm (DUAL)
A protocol on how to communicate with other routers


48. How often are LMI's sent out?
Automatically
Scalable and fast convergence
Every 10 Seconds
It is never useful to send information about a route back in the direction from which the original info came.


49. What distant vector protocols exhibit classless behavior?
RIPv2 and EIGRP
Place the extended ACL's as close to the source as possible and the standard ACL's as close to the destination as possible.
IP
224.0.0.5


50. Max_age time for BPDU's

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