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Test your basic knowledge |
CCNA
Start Test
Study First
Subjects
:
cisco
,
it-skills
,
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. What are non designated routers called?
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
Telnet connectivity - authentication and extended ACLs
A combination of Link-state and distance vector
DROTHER
2. What algorithm does EIGRP use?
By DLCI's
The Diffusing Update Algorithm (DUAL)
The Root bridge is the bridge with the lowest bridge ID
Aka Subnet mask
3. How do you configure OSPF
A trunk
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers
4. What is the default Bridge priority?
32768
1
Not scalable - hard to maintain as the network grows
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
5. What does DLCI stand for?
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
Data Link Connection Identifier
Telnet connectivity - authentication and extended ACLs
Ever 2 seconds
6. What is the maximum number of paths EIGRP can have for the same destination in it's routing table?
It is the signaling standard that maintains connection and statues between the DCE and DTE
16
100Mb/s
Packets are processed before they are routed to an outbound interface.
7. What is the multicast address for EIGRP?
MD5 and you have to enable it if you want to use it.
Every 5 seconds
Every 10 seconds
224.0.0.10
8. A router running EIGRP will store what?
Multicast
It is a means for statistically multiplexing many logical data conversations also known as virtual circuits on a single physical transmission link.
Six equal cost paths
All backup routes for destinations.
9. In Link state terminology - What is a link?
Bandwidth & Delay
A link is an interface on a router
1
1Gb/s
10. How long is the dead interval
Port based
Convergence
IETF
4 times the hello interval
11. How often does EIGRP send hellow packets?
Every 30 minutes by default
Every 5 seconds
Data Link Connection Identifier
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers
12. How does EIGRP work with regards to Load Balancing
TRUE
4
Supports both unequal metric load balancing and equal metric balancing.
Checks the source address and then permits or denies the entire protocol suite
13. What is a VLAN
Packet Header
The lower MAC address
Is the time in seconds that a router waits to hear from a neighbor before declaring the router out of service.
A group of end stations with a common set of requirements - independent of their physical location
14. What is the Shortest Path First algorithm also called?
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15. How are Frame Relay Circuits identified?
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16. What does EIGRP use to calculate it's metric?
To select the best path to the destination
Routes First/ Tests second
Bandwidth & Delay
Distance Vector
17. With OSPF - each router builds its SPF tree using the same link-state information - but each will have a separate ________ of the topology
Susceptible to routing loops
View
To reduce OSPF traffic
Only with Cisco IOS software release 12.3 (2) T
18. VTP Client Mode does what?
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19. By default - EIGRP will perform automatic summarization on classful boundaries. True or False
TRUE
To reduce OSPF traffic
Checks the source and destination address then permits or denies specific protocols
1Gb/s
20. What is prefix length?
Maximizing address efficiency - organization - summarization
Updates all DROTHER Routers when a change occurs
Aka Subnet mask
16
21. Advance Distance Vector or Hybrid uses what?
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
0
A combination of Link-state and distance vector
TRUE
22. How does inbound ACL work?
224.0.0.10
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
To reduce OSPF traffic
Test Firsts/ Routes Second
23. What does partial refer to?
The update only includes info about the route change
Ever 2 seconds
Select the routing protocol - then specify the network.
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
24. VTP Transparent Mode does what?
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25. Describe features of RIPv1
32768
Checks the source and destination address then permits or denies specific protocols
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
Anycast
26. What two parameters does EIGRP use to determine the best route?
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.
Advertised Distance & Feasible distance
Distance Vector
Convergence
27. Spanning-Tree cost of 19
Private: link local
Advance Distance Vector
100Mb/s
Between areas?
28. What are the three LMI standards
Null
Creates - Modifies - and deletes local VLAN's only - Forwards advertisements - Does not synchronize VLAN configs
Cisco - ANSI - Q.933A
...
29. An autonomous system could also be referred to as what?
Domain
Cannot create - modify or delete VLAN's - sends and forwards advertisements - synchronizes VLAn configurations.
224.0.0.10
Dijkstra's Algorithm
30. How often are LMI's sent out?
Distance Vector
Between areas?
Every 10 Seconds
A layer 3 switch or router
31. Max_age time for BPDU's
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32. Dynamic ACL's are dependent on what?
110
For line vty 0 4
1
Telnet connectivity - authentication and extended ACLs
33. How does the SPF determine the shortest path?
Determines the cost which is the bandwidth
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.
Cisco - ANSI - Q.933A
4
34. Admin distance of EIGRP?
90
The update only includes info about the route change
Packets are processed before they are routed to an outbound interface.
Ever 2 seconds
35. What three types of IPv6 address types are there?
Match on all routers or it will not work
Unicast - Multicast - Anycast
No
Connects the different areas
36. What are two statements that are true of IPv6 address representation?
Area-ID - hello/dead intervals - authentication - and stub area flag and same IP subnet.
30-50 seconds
Layers 1 & 2
A single interface may be assigned multiple IPv6 addresses - and every IPv6 interface contains at least one loopback address.
37. How does an Extended ACL work?
Carry's traffic for multiple VLANS
If int status is UP/UP..Check to make sure OSPF is enabled on the interface
Checks the source and destination address then permits or denies specific protocols
Private: link local
38. What are the two ways routers can learn about the destination information?
Loopback
A group of end stations with a common set of requirements - independent of their physical location
Updates all DROTHER Routers when a change occurs
1.) Enter the Routing Manually 2.) Use Dymamic Routing
39. What is the Wildcard mask
1Gb/s
The inverse of a subnet mask.
Associating the network address with a local DLCI.
Unicast - Multicast - Anycast
40. Dynamic VLAN is what?
MAC based
View
Classful - No VLSM - Broadcast addressing - No route summarization - or Authentication
20 seconds: 10 missed BPDU's
41. Break down the word Link-State
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42. What is the default load balancing for RIP
Make sure you are in interface mode - then use this command ip access-group 1 out/in
IETF
The lower MAC address
4
43. The no auto-summary command does what?
Select the routing protocol - then specify the network.
DROTHER
Forces protocols to behave as if they were classless
Every 10 Seconds
44. For a VLAN to span across multiple switches What is required?
A trunk
The inverse of a subnet mask.
Plaintext and MD5
Unicast - Multicast - Anycast
45. Admin distance of a connected Network?
Rouer OSPF 100 - then network xx.xx.xx.xx. area 0
Link is the router interface and State is the description of an interface and it's relationship to neighboring routers
0
RIPv2 and EIGRP
46. Routers running distances vector routing protocol send periodic updates even if there are no changes in the network. True or False?
Packets are processed before they are routed to an outbound interface.
Incoming packets are routed to the outbound interface - and then they are processed through the outbound ACL
Creates - Modifies - and deletes VLAN's - Sends and forwards advertisements - Synchronizes VLAN configuration
TRUE
47. What distant vector protocols exhibit classless behavior?
By DLCI's
RIPv2 and EIGRP
Aka Subnet mask
Advertised Distance & Feasible distance
48. What does this mean? R 192.168.1.0/24 [120/2] via 10.1.1.2
Advance Distance Vector
Maximizing address efficiency - organization - summarization
Classless - VLSM capable - Subnet mask sent in routing update - Multicast addressing - Supports route summarization - and authentication
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.
49. What do area's do?
Supports both unequal metric load balancing and equal metric balancing.
Reduce the link-state database and routing table
Connects the different areas
Cisco - ANSI - Q.933A
50. Spanning-Tree coast of 4
1Gb/s
10Mb/s
A combination of Link-state and distance vector
The lower MAC address