Test your basic knowledge |

CCNA Hard

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 is the purpose of the spanning-tree algorithm in a switched LAN?
To prevent switching loops in networks with redundant switched paths.
An electrical pulse indicates that the collision has cleared.
To obtain the IP address of a connected device in order to telnet to the device - To verify Layer 2 connectivity between two devices when Layer 3 fails.
A broadcast domain with too many hosts - Broadcast storms - and Low bandwidth

2. The Certkiller network administrator wants to use a router named CK1 to segment the local network. What are some of the advantages of using CK1 to segment the network? (Choose two)
Device Identifiers - Capabilities list - Platform
Filtering can occur based on Layer 3 information and Broadcasts are not forwarded across the router
This is an Ethernet port operating at half duplex
Data link

3. In a switched LAN network - What is the Spanning-Tree algorithm used for?
Increased latency and Filtering of all frame errors
It is used to prevent switching loops in networks with redundant switched routes.
Auto - On - and Desirable
Certkiller B > trace

4. A Certkiller switch is configured with all ports assigned to VLAN 2. In addition - all ports are configured as full-duplex FastEthernet. What is the effect of adding switch ports to a new VLAN on this switch?
They can provide hosts with information about network problems. and They are encapsulated within IP datagrams.
The network layer
An additional broadcast domain will be created.
Allowing simultaneous frame transmissions and filtering frames based on MAC addresses

5. While troubleshooting a connectivity problem on the network - you issure the ping command from your PC command prompt - but the output shows 'request times out' At which OSI layer is this problem associated with?
The network layer
Sequence number - Window size - and Acknowledgment number
It operates without collisions and It provides faster data transfer
It is used to prevent switching loops in networks with redundant switched routes.

6. You need to perform some initial configuration tasks on a new Certkiller switch. What is the purpose of assigning an IP address to a switch?
HTTPS - SMTP - and TFTP
To allow remote management of the switch.
Show cdp neighbor detail
Path selections and Packet switching.

7. Which OSI layer header contains the address of a destination host that is on another network?
Network
Sequence number - Window size - and Acknowledgment number
Transport
They can provide hosts with information about network problems. and They are encapsulated within IP datagrams.

8. CDP is running between two CK devices. What information is supplied by CDP?
Half-duplex Ethernet operates in a shared collision domain. and Half-duplex Ethernet has lower effective throughput.
Filtering can occur based on Layer 3 information and Broadcasts are not forwarded across the router
Device Identifiers - Capabilities list - Platform
SMTP - FTP - HTTP - and HTTPS

9. As a CCNA candidate - you will be expected to know the OSI model very well. Which of the following are associated with the application layer (layer 7) of the OSI model?
Switches increase the number of collision domains in the network.
To prevent switching loops in networks with redundant switched paths.
The switch that will share the VLAN information must be in the VTP Server mode. -The switches must be in the same VTP domain. - The switches must be configured to use the same STP version. and The switches must be connected over VLAN trunks.
Telnet and FTP

10. Which of the protocols below - operates at Layer 2 of the OSI model - and is used to maintain a loop-free network?
STP
An electrical pulse indicates that the collision has cleared.
It operates without collisions and It provides faster data transfer
Configure the switch so that it has lower priority than other switches in the network

11. Which of the following are true of Ethernet technology?
Half-duplex Ethernet operates in a shared collision domain. and Half-duplex Ethernet has lower effective throughput.
A broadcast domain with too many hosts - Broadcast storms - and Low bandwidth
Hosts use a logical bus topology
It is the sum of the costs based on bandwidth

12. When you compare the differences between half-duplex and full-duplex Ethernet - which of the following characteristics are exclusive to half-duplex?
The system is malfunctioning.
HTTPS
It operates without collisions and It provides faster data transfer
Half-duplex Ethernet operates in a shared collision domain. and Half-duplex Ethernet has lower effective throughput.

13. Assuming you build networks to exact specifications - What is the recommended maximum length a 10BaseT cable can be before it has to be segmented or repeated?
A broadcast address will never be the source address of a frame
100 meters
Show arp and Show interface
Port security

14. Which three statements are true about the operation of a full-duplex Ethernet network - which is being used in the Certkiller LAN?
Half-duplex Ethernet operates in a shared collision domain. and Half-duplex Ethernet has lower effective throughput.
To prevent switching loops in networks with redundant switched paths.
The host network card and the switch port must be capable of operating in full-duplex mode. - There are no collisions in full-duplex mode. and A dedicated switch port is required for each full-duplex node.
Auto - Desirable - and On

15. At which OSI layer is a logical path created between two host systems named CK1 and CK2 on the Certkiller LAN?
VLAN and Swtich
Network
To obtain the IP address of a connected device in order to telnet to the device - To verify Layer 2 connectivity between two devices when Layer 3 fails.
Data link

16. The system LED is amber on a new Certkiller Catalyst 2950 series switch. What does this indicate?
The system is malfunctioning.
It encourages industry standardization by defining what functions occur at each layer of the model and It divides the network communication process into smaller and simpler components; thus aiding component development - design and troubleshooting
ARP and ICMP
Source Port - Acknowledgment Number - and Window

17. What is the IEEE standard associated with Gigabit Ethernet?
Application
802.3ab and 802.3z
Device Identifiers - Capabilities list - Platform
The switch that will share the VLAN information must be in the VTP Server mode. -The switches must be in the same VTP domain. - The switches must be configured to use the same STP version. and The switches must be connected over VLAN trunks.

18. What are two characteristics of 'store and forward' switching?
Filtering can occur based on Layer 3 information and Broadcasts are not forwarded across the router
The switch receives the complete frame before beginning to forward it. and Latency through the switch varies with frame length
The network layer
Layer 4

19. Which Layer 4 protocol is used for a Telnet connections between two CK routers?
TCP
Switches increase the number of collision domains in the network.
ARP and ICMP
It provides a mechanism for the receiver to control the transmission speed - You have just installed a new web server on the Certkiller network. You are required to ensure that the web server is accessible from the Internet. The network uses private

20. The Certkiller network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test?
STP
The switch that will share the VLAN information must be in the VTP Server mode. -The switches must be in the same VTP domain. - The switches must be configured to use the same STP version. and The switches must be connected over VLAN trunks.
Application
ARP and ICMP

21. Certkiller users have noticed extremely slow network performance - intermittent connectivity - and connection losses. After entering the 'show interfaces' command - you notice that the Ethernet interface is configured as 100 Mbps full-duplex and that
Layer 4
Duplex mismatch
TCP
The sequence number in the TCP header.

22. You need to describe the various types of flow control to your co-workers. Which of the following are types of flow control that can be used in a network?
They can provide hosts with information about network problems. and They are encapsulated within IP datagrams.
Congestion avoidance - Windowing and Buffering
VTP
TCP

23. Which layer of the OSI reference model is responsible for ensuring reliable end to end delivery of data?
Half-duplex Ethernet uses a loopback circuit to detect collisions. and Full-duplex Ethernet makes use of two pairs of wires for data.
The switch will forward the frame to a specific port
Auto - Desirable - and On
Transport

24. The CK network administrator needs to determine what LAN devices to install on the CK network. What are two advantages of using Layer 2 Ethernet switches over hubs?
A CSU/DSU terminates a digital local loop - A modem terminates an analog local loop - A router is commonly considered a DTE device.
The sequence number in the TCP header.
Application
Allowing simultaneous frame transmissions and filtering frames based on MAC addresses

25. Some of the older Certkiller switches store the entire frame before forwarding it to the destination. What are two effects on network performance of configuring a switch to do this?
Increased latency and Filtering of all frame errors
Switches increase the number of collision domains in the network.
Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth
Network

26. You are experiencing intermittent issues relating to congestion within the Certkiller network. What are the possible causes of congestion on this LAN?
A broadcast domain with too many hosts - Broadcast storms - and Low bandwidth
Half-duplex Ethernet operates in a shared collision domain. and Half-duplex Ethernet has lower effective throughput.
ARP and ICMP
Half-duplex Ethernet uses a loopback circuit to detect collisions. and Full-duplex Ethernet makes use of two pairs of wires for data.

27. Although TCP segments are similar to UDP segments - TCP packets contains some additional fields. Which of the following are found in a TCP header - but not in a UDP header?
Sequence number - Window size - and Acknowledgment number
A device listens and waits until the media is not busy before transmitting. and All devices on an Ethernet segment see data that passes on the network medium.
Allowing simultaneous frame transmissions and filtering frames based on MAC addresses
Application

28. The Certkiller corporate LAN consists of one large flat network. You decide to segment this LAN into two separate networks with a router. What will be the affect of this change?

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

29. Which of the following are spanning tree port states?
This is an Ethernet port operating at half duplex
In an improperly implemented redundant topology
Switches increase the number of collision domains in the network.
Learning - Listening - and Forwarding

30. What kind of cable should be used to establish a trunked line between two Catalyst switches?
A cross-over cable
Duplex mismatch
Network
The switch will forward the frame to a specific port

31. A network administrator wants to control which user hosts can access the network based on their MAC address. What will prevent workstations with unauthorized MAC addresses from connecting to the network through a switch?
Full-duplex Ethernet can provide higher throughout than can half-duplex Ethernet of the same bandwidth
Half-duplex Ethernet operates in a shared collision domain. and Half-duplex Ethernet has lower effective throughput.
Port security
100 meters

32. You need to perform some initial configuration tasks on a new Certkiller switch. What are the possible trunking modes for this switch port?
Auto - On - and Desirable
The port is experiencing errors
Switches - Bridges - and Routers
This is an Ethernet port operating at half duplex

33. Which of the following correctly describe the various functions and virtues of a router?
Certkiller B > trace
HTTPS
UDP will pass the information in the datagrams up to the next OSI layer in the order that they arrive.
Packet switching - Packet filtering and Internetwork communication.

34. Which line from the output of the show ip interface command indicates that there is a Layer 1 problem?
Duplex mismatch
They can provide hosts with information about network problems. and They are encapsulated within IP datagrams.
802.1Q and ISL
Serial0/1 is down - line protocol is down

35. At which layer of the OSI model does the protocol that provides the information displayed by the 'show cdp neighbors' command operate?
Data link
Data link
Buffering - Cut-through - and Congestion avoidance
Network

36. A host computer has been correctly configured with a static IP address - but the default gateway is incorrectly set. Which layer of the OSI model will be first effected by this configuration error?
Telnet and FTP
Layer 3
Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth
The network layer

37. Cisco is the leader in the router market space. What basic functions do their routers perform in a network?
Switches usually have a higher number of ports then most bridges - Both bridges and switches forward Layer 2 broadcasts and Both bridges and switches make forwarding decisions based on Layer 2 addresses.
A device listens and waits until the media is not busy before transmitting. and All devices on an Ethernet segment see data that passes on the network medium.
Layer 4
Path selections and Packet switching.

38. With regard to Ethernet media access methods - which of the following are true?
Layer 4
Full-duplex Ethernet can provide higher throughout than can half-duplex Ethernet of the same bandwidth
A device listens and waits until the media is not busy before transmitting. and All devices on an Ethernet segment see data that passes on the network medium.
Data link

39. When comparing and contrasting the similarities and differences between bridges and switches - which of the following are valid statements?
Application
A switch is a multiport bridge and Bridges and switches learn Mac addresses by examining the source MAC address of each frame received.
Layer 4
A broadcast domain with too many hosts - Broadcast storms - and Low bandwidth

40. By default - which of the following factors determines the spanning-tree path cost?
Congestion avoidance - Windowing and Buffering
It is the sum of the costs based on bandwidth
An electrical pulse indicates that the collision has cleared.
In a CSMA/CD collision domain - stations must wait until the media is not in use before transmitting. and After a collision - all stations run a random backoff algorithm. When the backoff delay period has expired - all stations have equal priority to

41. Which of the following services use TCP?
SMTP FTP and HTTP
Allowing simultaneous frame transmissions and filtering frames based on MAC addresses
It encourages industry standardization by defining what functions occur at each layer of the model and It divides the network communication process into smaller and simpler components; thus aiding component development - design and troubleshooting
STP

42. CK1 is a switch in the Certkiller network. Why will CK1 never learn the broadcast address?
A broadcast address will never be the source address of a frame
Auto - Desirable - and On
The switch will forward the frame to a specific port
Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth

43. Acknowledgements - sequencing - and flow control are functions that are handled by which layer of the OSI model?
Switches usually have a higher number of ports then most bridges - Both bridges and switches forward Layer 2 broadcasts and Both bridges and switches make forwarding decisions based on Layer 2 addresses.
Layer 4
802.1Q and ISL
UDP will pass the information in the datagrams up to the next OSI layer in the order that they arrive.

44. You unsuccessfully try to ping the Internet from the PC host on the LAN. During the troubleshooting process - you enter the 'show ip nat translations' command but the output is blank. What is the most likely cause of the problem?
The interfaces must be configured for NAT.
It will prevent segment 1's broadcasts from getting to segment 2.
An additional broadcast domain will be created.
They can provide hosts with information about network problems. and They are encapsulated within IP datagrams.

45. The LAN needs are expanding at the CK corporate office - which is quickly growing. You are instructed to enlarge the area covered by a single LAN segment on the CK network. Which of the following are layer 1 devices that you can use?
All switch and bridge ports are in either the forwarding or blocking state.
A hub and A repeater.
This is an Ethernet port operating at half duplex
In an improperly implemented redundant topology

46. Which of the protocols below use TCP at the transport layer?
The switch receives the complete frame before beginning to forward it. and Latency through the switch varies with frame length
Information about a route should never be sent back in the direction from which the original update came.
A CSU/DSU terminates a digital local loop - A modem terminates an analog local loop - A router is commonly considered a DTE device.
SMTP - FTP - HTTP - and HTTPS

47. Which protocol uses TCP port 443 at layer 4?
Application
HTTPS
An additional broadcast domain will be created.
This is an Ethernet port operating at half duplex

48. While troubleshooting a network connectivity problem - a Certkiller technician observes steady link lights on both the workstation NIC and the switch port to which the workstation is connected. However - when the ping command is issued from the works
The network layer
Show arp and Show interface
It will prevent segment 1's broadcasts from getting to segment 2.
Full-duplex Ethernet can provide higher throughout than can half-duplex Ethernet of the same bandwidth

49. Which of the following are types of flow control?
Network
Buffering - Cut-through - and Congestion avoidance
Layer 4
To prevent switching loops in networks with redundant switched paths.

50. You have set up an Internet based FTP server - where people can upload and download files. In terms of the OSI model - What is the highest layer used during the FTP sessions.
Application
A CSU/DSU terminates a digital local loop - A modem terminates an analog local loop - A router is commonly considered a DTE device.
Data link
Certkiller B > trace

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 |

CCNA Hard

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