Test your basic knowledge |

CCENT

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. CABLES: What is the T568B Pinout Standard?
1:O/W - 2:Orange - 3:G/W - 4:Blue - 5:B/W - 6:Green - 7:Brown/W - 8:Brown
Use command bandwidth {bandwidth in KPS} or the command ip ospf cost {amount} both in the interface you want to change
Packets
1-65535

2. What is the boot sequence for Cisco Routers?
180
120
1. NVRAM - 2. Flash (sequential) - 3. TFTP server (network boot) - 4. ROM (partial IOS)
180 seconds

3. OSPF: Commands to enable OSPF area 0 and advertise network 10.1.1.1 /28
/9
R1(config)# router OSPF 1 - R1(config-router)#network 10.1.1.0 0.0.0.15 area 0
Every 4 ip's
1. Discovery packets - LSP built containing the state of each link - Flood LSP to neighbors - Build Link-state database

4. Rip Timers: How long is the default for Holddown timer.
180
Router(config)#ip route {exit-interface}
Every 64 ip's
126 per network

5. How many Collision domains are there on a with 1 hub and 1 bridge 2 computers?
By default - the flush timer is set for 240 seconds - which is 60 seconds longer than the invalid timer. When the flush timer expires - the route is removed from the routing table.
2 - the bridge separates the collision domain
R3(config)#router rip - R3(config-router)#network 192.168.1.2
Includes sub-net mask in updates making it classless - has authentication - supports variable length subnet mask - uses multicast instead of broadcast - supports manual summarization

6. RIP Timers: What is an invalid Timer?
Every 4 ip's
F an update has not been received to refresh an existing route after 180 seconds (the default) - the route is marked as invalid by setting the metric to 16. The route is retained in the routing table until the flush timer expires.
/28
Session

7. Subnetting: What is a 255.255.255.240 in prefix notation
Show ip eigrp topology
Presentation
/28
1. Router receives update from neighbor indicating a route down - Router makes route as down and starts holddown timer - If router gets an update indicating route is back holddown is removed - If an update is received indicating route is down again i

8. What is Layer 3 in the OSI Model?
180 seconds
F an update has not been received to refresh an existing route after 180 seconds (the default) - the route is marked as invalid by setting the metric to 16. The route is retained in the routing table until the flush timer expires.
30 per network
Network

9. EIGRP: What is the hello packet used for?
/28
IEEE 802.3z
Multicast packet used for discovery of neighbors sent every 5 seconds - on WAN links sent every 60 seconds
Transport

10. What is the layer 3 PDU called?
Every 128 ip's
Show ip eigrp topology
Packets
IEEE 802.3ab

11. Rip Timers: How long is the default for Flush timer.
Multicast packet used for discovery of neighbors sent every 5 seconds - on WAN links sent every 60 seconds
60
/24
Bellman-Ford

12. OSPF: how do you change the cost of an interface for OSPF?
Hop Count
Switch forwards frame after receiving the 1st 64bytes to insure no errors.
Use command bandwidth {bandwidth in KPS} or the command ip ospf cost {amount} both in the interface you want to change
Every 16 ip's

13. What is the metric for RIP
100
Hop Count
Bellman-Ford
DUAL: Difusing Update Algorithm

14. What is Layer 7 in the OSI Model?
F an update has not been received to refresh an existing route after 180 seconds (the default) - the route is marked as invalid by setting the metric to 16. The route is retained in the routing table until the flush timer expires.
Segments
Application
2 - the bridge separates the collision domain

15. How many Collision domains are there on a with 1 switch 2 computers?

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

16. What is the layer 4 PDU called?
1:O/W - 2:Orange - 3:G/W - 4:Blue - 5:B/W - 6:Green - 7:Brown/W - 8:Brown
Interface changes state (up/down) - A route has entered or exited the unreachable state - a route was installed in the routing table.
Segments
Packets

17. Rip: Command to prevent rip updates on an interface
R3(config)#router rip - R3(config-router)#network 192.168.1.2
255.255.192.0
Router(config)# router rip - Router(config-router)# passive-interface fa0/0
Closest multiple of the magic number that is not over the interesting octets number.

18. RIP Timers: What is an Flush Timer?
120
Data-Link
This timer stabilizes routing information and helps prevent routing loops during periods when the topology is converging on new information. Once a route is marked as unreachable - it must stay in holddown long enough for all routers in the topology
By default - the flush timer is set for 240 seconds - which is 60 seconds longer than the invalid timer. When the flush timer expires - the route is removed from the routing table.

19. CABLES: What is the T568A Pinout Standard?
D
Network
62 per network
1:G/W - 2:Green - 3:O/W - 4:Blue - 5:B/W - 6:Orange - 7:Brown/W - 8:Brown

20. IEEE Standards: Gibabit Ethernet (Fibre)
IEEE 802.3z
Shortest path first - (SPF)
Every 128 ip's
Includes sub-net mask in updates making it classless - has authentication - supports variable length subnet mask - uses multicast instead of broadcast - supports manual summarization

21. Subnetting: where do the networks break with a /29

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

22. What is Layer 5 in the OSI Model?
Packets
Switch forwards frame once it completely receives it
Router(config)# router rip - Router(config-router)# passive-interface fa0/0
Session

23. Subnetting: where do the networks break with a /26

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

24. What is the Transport PDU called?
Data-Link
Add the magic number to the network minus 1
Every 16 ip's
Segments

25. EIGRP: What packet is used to search for networks?
Query and other router responds with a REPLY packet.
Switch forwards frame once it completely receives it
/24
180

26. EIGRP: What is the commands to enable EIGRP for autonomous area 7 and to route network 192.168.1.0 /30
14 per network
R1(config)#router eigrp 7 - R1(config-router)#network 192.168.1.0 0.0.0.3
1 - everything hooked to the hub is in the same collision domain
Interface changes state (up/down) - A route has entered or exited the unreachable state - a route was installed in the routing table.

27. OSPF: What Algorithm is used?
Shortest path first - (SPF)
It adds the cost of each jump - R1 to R2 over a t1 is a cost of 64 - R2 to computer is a cost of 1. Total cost of route is 65
Router(config)#ip route {network address} {subnet-mask}
Router(config)#ip route {exit-interface}

28. Symbol for Rip on a Show ip route
Session
R
Switch forwards the frame as soon as it can
Use command bandwidth {bandwidth in KPS} or the command ip ospf cost {amount} both in the interface you want to change

29. Subnetting: where do the networks break with a /30

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

30. Subnetting: What is a /27 in Decimal
Packets
By default - the flush timer is set for 240 seconds - which is 60 seconds longer than the invalid timer. When the flush timer expires - the route is removed from the routing table.
Frames
255.255.255.224

31. EIGRP: What is the name of the algorithm used for EIGRP?
1:G/W - 2:Green - 3:O/W - 4:Blue - 5:B/W - 6:Orange - 7:Brown/W - 8:Brown
Application
255.255.255.252
DUAL: Difusing Update Algorithm

32. CABLES: What is the difference between T568A and T568B?
1. NVRAM - 2. Flash (sequential) - 3. TFTP server (network boot) - 4. ROM (partial IOS)
14 per network
110
Pins 1+2 swap places with pins 3+6

33. OSPF: How does OSPF calulate the cost of each route - to figure out which way to go?
It adds the cost of each jump - R1 to R2 over a t1 is a cost of 64 - R2 to computer is a cost of 1. Total cost of route is 65
D
Application
Switch forwards frame after receiving the 1st 64bytes to insure no errors.

34. Subnetting: What is a 255.255.252.0 in prefix notation
1. Discovery packets - LSP built containing the state of each link - Flood LSP to neighbors - Build Link-state database
/22
Multicast packet used for discovery of neighbors sent every 5 seconds - on WAN links sent every 60 seconds
Every 32 ip's

35. IEEE Standards: Gibabit Ethernet (Copper)
255.255.0.0
Transport
IEEE 802.3ab
2 - each port is it's own collision domain

36. How many Collision domains are there on a with 1 hub and 2 computers?
R1(config)# router OSPF 1 - R1(config-router)#network 10.1.1.0 0.0.0.15 area 0
1 - everything hooked to the hub is in the same collision domain
Includes sub-net mask in updates making it classless - has authentication - supports variable length subnet mask - uses multicast instead of broadcast - supports manual summarization
Use command bandwidth {bandwidth in KPS} or the command ip ospf cost {amount} both in the interface you want to change

37. Subnetting: What is a 255.128.0.0 in prefix notation
/28
1. Discovery packets - LSP built containing the state of each link - Flood LSP to neighbors - Build Link-state database
/9
IEEE 802.3ab

38. RIP: Commands to enable ripv1 on a router and add a route to 192.168.1.2
Presentation
/24
R3(config)#router rip - R3(config-router)#network 192.168.1.2
Segments

39. Rip and EIGRP use what to keep other routers aware of their status?
Transport
Add the magic number to the network minus 1
Periodic Updates of their routing table
Every 16 ip's

40. What Layer does CDP operate at?
Bandwidth - Delay - reliability and Load
Segments
Layer 2
180 seconds

41. Name the OSI Layers
255.255.255.224
Application
IEEE 802.3u
(7)Application -(6)Presentation -(5)Session -(4)Transport - (3)Network - (2)Data Link - (1)Physical

42. Subnetting: How many hosts per network if the subnet mask is 255.255.255.192
180 seconds
R1(config)#router eigrp 7 - R1(config-router)#network 192.168.1.0 0.0.0.3
62 per network
Periodic Updates of their routing table

43. What is the metric for EIGRP
This timer stabilizes routing information and helps prevent routing loops during periods when the topology is converging on new information. Once a route is marked as unreachable - it must stay in holddown long enough for all routers in the topology
256 - the interesting (non-255/0) number. IE: 255.240.0.0 the interesting number is 240
R3(config)#router rip - R3(config-router)#network 192.168.1.2
Bandwidth - Delay - reliability and Load

44. What is Layer 1 in the OSI Model?
Query and other router responds with a REPLY packet.
Interface changes state (up/down) - A route has entered or exited the unreachable state - a route was installed in the routing table.
Physical
Segments

45. Using the magic number how to you figure the network?
Bandwidth - Delay - reliability and Load
Every 128 ip's
Closest multiple of the magic number that is not over the interesting octets number.
Router(config)# router rip - Router(config-router)# passive-interface fa0/0

46. Rip: how do hold down timers work?
1. Router receives update from neighbor indicating a route down - Router makes route as down and starts holddown timer - If router gets an update indicating route is back holddown is removed - If an update is received indicating route is down again i
1. NVRAM - 2. Flash (sequential) - 3. TFTP server (network boot) - 4. ROM (partial IOS)
Switch forwards the frame as soon as it can
Pins 1+2 swap places with pins 3+6

47. Rip Timers: How long is the default for Invalid timer.
Pins 1+2 swap places with pins 3+6
Closest multiple of the magic number that is not over the interesting octets number.
180 seconds
Query and other router responds with a REPLY packet.

48. Subnetting: What is a /30 in Decimal
Hop Count
/24
255.255.255.252
Every 32 ip's

49. What is Layer 4 in the OSI Model?
Packets
Router(config)#ip route {exit-interface}
Segments
Transport

50. What is the Network PDU called?
Packets
F an update has not been received to refresh an existing route after 180 seconds (the default) - the route is marked as invalid by setting the metric to 16. The route is retained in the routing table until the flush timer expires.
Segments
R1(config)#router eigrp 7 - R1(config-router)#network 192.168.1.0 0.0.0.3

Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?

Major Subjects
Tests & Exams AP CLEP DSST GRE SAT GMAT	Certifications CISSP go to https://www.isc2.org/ PMP ITIL RHCE MCTS More...	IT Skills Android Programming Data Modeling Objective C Programming Basic Python Programming Adobe Illustrator More...	Business Skills Advertising Techniques Business Accounting Basics Business Strategy Human Resource Management Marketing Basics More...
Soft Skills Body Language People Skills Public Speaking Persuasion Job Hunting And Resumes More...	Vocabulary GRE Vocab SAT Vocab TOEFL Essential Vocab Basic English Words For All Global Words You Should Know Business English More...	Languages AP German Vocab AP Latin Vocab SAT Subject Test: French Italian Survival Norwegian Survival More...	Engineering Audio Engineering Computer Science Engineering Aerospace Engineering Chemical Engineering Structural Engineering More...
Health Sciences Basic Nursing Skills Health Science Language Fundamentals Veterinary Technology Medical Language Cardiology Clinical Surgery More...	English Grammar Fundamentals Literary And Rhetorical Vocab Elements Of Style Vocab Introduction To English Major Complete Advanced Sentences Literature Homonyms More...	Math Algebra Formulas Basic Arithmetic: Measurements Metric Conversions Geometric Properties Important Math Facts Number Sense Vocab Business Math More...	Other Major Subjects Science Economics History Law Performing-arts Cooking Logic & Reasoning Trivia

Test your basic knowledge |

CCENT

Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?

Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests

Major Subjects

Tests & Exams

Certifications

IT Skills

Business Skills

Soft Skills

Vocabulary

Languages

Engineering

Health Sciences

English

Math

Other Major Subjects

Browse all subjects

Browse all tests

Most popular tests