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 kind of cable should be used to establish a trunked line between two Catalyst switches?
Physical Layer and Datalink Layer
To prevent switching loops in networks with redundant switched paths.
The network layer
A cross-over cable

2. At which OSI layer is a logical path created between two host systems named CK1 and CK2 on the Certkiller LAN?
Network
Data link
Physical Layer and Datalink Layer
TCP

3. Which of the protocols below use TCP at the transport layer?
Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth
Encapsulations PPP and authentication CHAP
Decrease the window size.
SMTP - FTP - HTTP - and HTTPS

4. 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?
Layer 4
The Bridgeg ID and The bridge priority
VLAN and Swtich
100 meters

5. You are the administrator of the Certkiller LAN and you have been reviewing error logs of networking devices and notice a large number of errors associated with several MAC addresses. You suspect that some of the errors are being generated by the rou
Packet switching - Packet filtering and Internetwork communication.
Show arp and Show interface
802.1Q and ISL
A broadcast address will never be the source address of a frame

6. Acknowledgements - sequencing - and flow control are functions that are handled by which layer of the OSI model?
Auto - On - and Desirable
Layer 4
VLAN and Swtich
The switch must be reachable through a port connected to its management VLAN. and The switch must be configured with an IP address - subnet mask - and default gateway.

7. Which of the following devices can the Certkiller network administrator use to segment the LAN?
Switches - Bridges - and Routers
The interfaces must be configured for NAT.
The transport layer divides a data stream into segments and adds reliability and flow control information. Packets are created when the network layer adds Layer 3 addresses and control information to a segment.
Layer 4

8. Which of the following can lead to the contribution of LAN traffic congestion?
Show cdp neighbor detail
The port is experiencing errors
Physical Layer and Datalink Layer
Too many hosts in a broadcast domain - Broadcast storms and Low bandwidth

9. You want to upgrade the Certkiller LAN so that all ports operate in full duplex mode. Which statement is true about full-duplex Ethernet when comparing to half-duplex Ethernet?
It operates without collisions and It provides faster data transfer
Source Port - Acknowledgment Number - and Window
VLAN and Swtich
Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth

10. A new switch is installed in the Certkiller network. This switch is to be configured so that VLAN information will be automatically distributed to all the other Cisco Catalyst switches in the network. Which of the conditions below have to be met in o
Too many hosts in a broadcast domain - Broadcast storms and Low bandwidth
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.
Network
All switch and bridge ports are in either the forwarding or blocking state.

11. Which Layer 4 protocol is used for a Telnet connections between two CK routers?
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
TCP
Half-duplex Ethernet operates in a shared collision domain. and Half-duplex Ethernet has lower effective throughput.
HTTPS

12. Which layer of the OSI reference model is responsible for ensuring reliable end to end delivery of data?
The port is experiencing errors
Encapsulations PPP and authentication CHAP
Transport
Decrease the window size.

13. By default - which of the following factors determines the spanning-tree path cost?
It is the sum of the costs based on bandwidth
A hub and A repeater.
Half-duplex Ethernet uses a loopback circuit to detect collisions. and Full-duplex Ethernet makes use of two pairs of wires for data.
The interfaces must be configured for NAT.

14. when files are transferred between a host and an FTP server - the data is divided into smaller pieces of transmission. As these pieces arrive at the destination host they must be reassembled to reconstruct the original file. What provides for the rea
The sequence number in the TCP header.
Increased latency and Filtering of all frame errors
It is the sum of the costs based on bandwidth
Application

15. Network equipment supporting the use of flow control mechanisms has been recently installed in the CK network. What is the purpose of flow control in a data network?
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
Auto - On - and Desirable
Switches increase the number of collision domains in the network.
Physical Layer and Datalink Layer

16. The Certkiller network administrator needs to a switch named CK1 to become the root bridge for a redundant path switched network. What can be done to ensure that CK1 will always assume the role as the root bridge?
STP
It operates without collisions and It provides faster data transfer
An electrical pulse indicates that the collision has cleared.
Configure the switch so that it has lower priority than other switches in the network

17. The Certkiller LAN is upgrading all devices to operate in full duplex. Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet?
Full-duplex Ethernet can provide higher throughout than can half-duplex Ethernet of the same bandwidth
It is the sum of the costs based on bandwidth
Layer 4
Source Port - Acknowledgment Number - and Window

18. Both bridges are switches are being used throughout the CK LAN. Which of the following statements are true regarding bridges and switches in this network?
Telnet and FTP
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.
802.1Q and ISL
Packet switching - Packet filtering and Internetwork communication.

19. In a switched LAN network - What is the Spanning-Tree algorithm used for?
In an improperly implemented redundant topology
Sequence number - Window size - and Acknowledgment number
It is used to prevent switching loops in networks with redundant switched routes.
Buffering - Cut-through - and Congestion avoidance

20. What are the switch and bridge port characteristics of a layer two spanning-tree network that is fully converged?
100 meters
To prevent switching loops in networks with redundant switched paths.
Show cdp neighbor detail
All switch and bridge ports are in either the forwarding or blocking state.

21. 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
Sequence number - Window size - and Acknowledgment number
The network layer
HTTPS
Information about a route should never be sent back in the direction from which the original update came.

22. Which two statements describe the operation of the CSMA/CD access method - which is in use on the Certkiller network?
A jam signal informs all devices that a collision occurred. - The devices that are involved in the collision stops transmitting for a short time. and The collision invokes a random back-off algorithm.
Network
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
HTTPS

23. You want to influence the root bridge selection within the Certkiller LAN. Which two values are used by spanning tree protocol to elect a root bridge? (Choose two.)
It operates without collisions and It provides faster data transfer
Half-duplex Ethernet uses a loopback circuit to detect collisions. and Full-duplex Ethernet makes use of two pairs of wires for data.
Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth
MAC Address and Bridge Priority

24. ICMP is often used in troubleshooting and verifying network. What statements are true regarding ICMP packets?
UDP will pass the information in the datagrams up to the next OSI layer in the order that they arrive.
They can provide hosts with information about network problems. and They are encapsulated within IP datagrams.
To allow remote management of the switch.
Auto - Desirable - and On

25. Certkiller has implemented the use of the Virtual Trunking Protocol (VTP). Which statement below accurately describes a benefit of doing this?
Data link
Path selections and Packet switching.
Telnet and FTP
VTP will allow switches to share VLAN configuration information

26. Which of the following are types of flow control?
Allowing simultaneous frame transmissions and filtering frames based on MAC addresses
HTTPS
Telnet and FTP
Buffering - Cut-through - and Congestion avoidance

27. 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
UDP will pass the information in the datagrams up to the next OSI layer in the order that they arrive.
Layer 3
Duplex mismatch
This is an Ethernet port operating at half duplex

28. 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?
The switch will forward the frame to a specific port
Allowing simultaneous frame transmissions and filtering frames based on MAC addresses
The switch receives the complete frame before beginning to forward it. and Latency through the switch varies with frame length
Layer 3

29. 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?
Fiber optic cable.
Increased latency and Filtering of all frame errors
Packet switching - Packet filtering and Internetwork communication.
Network

30. An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location?
The switch must be reachable through a port connected to its management VLAN. and The switch must be configured with an IP address - subnet mask - and default gateway.
The switch will forward the frame to a specific port
The interfaces must be configured for NAT.
All switch and bridge ports are in either the forwarding or blocking state.

31. 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

32. Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet?
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.
Half-duplex Ethernet uses a loopback circuit to detect collisions. and Full-duplex Ethernet makes use of two pairs of wires for data.
Source Port - Acknowledgment Number - and Window
It is the sum of the costs based on bandwidth

33. Two stations on the Certkiller LAN transmit at the same time - resulting in a collision. What happens when a collision occurs on the network?
TCP
Layer 4
A jam signal informs all devices that a collision occurred. - The devices that are involved in the collision stops transmitting for a short time. and The collision invokes a random back-off algorithm.
UDP will pass the information in the datagrams up to the next OSI layer in the order that they arrive.

34. You need to configure two Certkiller switches to exchange VLAN information. Which protocol provides a method of sharing VLAN configuration information between these two switches?
The switch will forward the frame to a specific port
Switches increase the number of collision domains in the network.
802.3ab and 802.3z
VTP

35. A Certkiller Ethernet switch receives a unicast frame with a destination MAC that IS listed in the switch table. What will this switch do with the frame?
Duplex mismatch
The switch will forward the frame to a specific port
All switch and bridge ports are in either the forwarding or blocking state.
Information about a route should never be sent back in the direction from which the original update came.

36. Which of the following are spanning tree port states?
In an improperly implemented redundant topology
Network
Network
Learning - Listening - and Forwarding

37. You are logged into a router and wish to view the layer 3 information about your neighboring Cisco routers. What IOS command gives layer 3 information for of the directly connected router interfaces?
To allow remote management of the switch.
Transport
Show cdp neighbor detail
Duplex mismatch

38. Both the switches and hubs are being utilized within the CK network. Which of the following is true regarding the use of switches and hubs for the network connectivity in this network?
Switches increase the number of collision domains in the network.
Show arp and Show interface
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.
The sequence number in the TCP header.

39. Which protocol uses TCP port 443 at layer 4?
HTTPS
Switches - Bridges - and Routers
Configure the switch so that it has lower priority than other switches in the network
The network layer

40. As a CCNA candidate - you must know the various layers of the OSI model. At which layers of the OSI model do Wide Area Networks operate in?
They can provide hosts with information about network problems. and They are encapsulated within IP datagrams.
Network
Packet switching - Packet filtering and Internetwork communication.
Physical Layer and Datalink Layer

41. 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?
Half-duplex Ethernet uses a loopback circuit to detect collisions. and Full-duplex Ethernet makes use of two pairs of wires for data.
An additional broadcast domain will be created.
Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth
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

42. 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?
Network
The interfaces must be configured for NAT.
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

43. Which IOS user EXEC command will allow a network technician to determine which router in the path to an unreachable network host should be examined more closely for the cause of the network failure?
TCP
Certkiller B > trace
Layer 4
Switches increase the number of collision domains in the network.

44. You download a file from an FTP site on the Internet. What is the highest layer in the OSI model used in this FTP operations?
Hosts use a logical bus topology
Port security
Application
Layer 4

45. A network administrator needs to force a high-performance switch that is located in the MDF to become the root bridge for a redundant path switched network. What can be done to ensure that this switch assumes the role of the Root Bridge?
Buffering - Cut-through - and Congestion avoidance
Configure the switch so that it has a lower priority than other switches in the network.
A broadcast address will never be the source address of a frame
SMTP FTP and HTTP

46. Which of the following services use TCP?
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.
Decrease the window size.
Information about a route should never be sent back in the direction from which the original update came.
SMTP FTP and HTTP

47. 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
Certkiller B > trace
Serial0/1 is down - line protocol is down
Show arp and Show interface

48. A Certkiller technician is troubleshooting connectivity problems between two routers that are directly connected through the serial line. The technician notices that the serial line is up but cannot see any neighbors displayed in the output of the sh
Certkiller B > trace
Data link
VTP
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.

49. When comparing and contrasting the similarities and differences between bridges and switches - which of the following are valid statements?
It operates without collisions and It provides faster data transfer
Data link
A switch is a multiport bridge and Bridges and switches learn Mac addresses by examining the source MAC address of each frame received.
Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth

50. 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?
Increased latency and Filtering of all frame errors
Configure the switch so that it has a lower priority than other switches in the network.
Allowing simultaneous frame transmissions and filtering frames based on MAC addresses
A hub and A repeater.

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