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.
Duplex mismatch
It is used to prevent switching loops in networks with redundant switched routes.
HTTPS - SMTP - and TFTP

2. Which of the following services use TCP?
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.
Fiber optic cable.
SMTP FTP and HTTP
It is used to prevent switching loops in networks with redundant switched routes.

3. When comparing and contrasting the similarities and differences between bridges and switches - which of the following are valid statements?
A switch is a multiport bridge and Bridges and switches learn Mac addresses by examining the source MAC address of each frame received.
CertK Switch(config)# ip default-gateway 192.168.1.115
Source Port - Acknowledgment Number - and Window
Data link

4. On a half-duplex Ethernet LAN - two hosts attempt to send data simultaneously - resulting in a collision. Following this collision - what will the hosts do?
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.
802.3ab and 802.3z
Congestion avoidance - Windowing and Buffering
An electrical pulse indicates that the collision has cleared.

5. What are two characteristics of 'store and forward' switching?
The switch receives the complete frame before beginning to forward it. and Latency through the switch varies with frame length
A broadcast address will never be the source address of a frame
The network layer
Layer 4

6. Which two of the following values does STP take into consideration when it elects the root bridge?
The port is experiencing errors
The Bridgeg ID and The bridge priority
All switch and bridge ports are in either the forwarding or blocking state.
Network

7. Which of the following commands would be applied to a WAN interface - but not on LAN Interface?
Data link
Encapsulations PPP and authentication CHAP
Application
802.3ab and 802.3z

8. At which layer of the OSI model does the protocol that provides the information displayed by the 'show cdp neighbors' command operate?
Data link
Device Identifiers - Capabilities list - Platform
Certkiller B > trace
The sequence number in the TCP header.

9. 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?
A hub and A repeater.
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.
Application
Congestion avoidance - Windowing and Buffering

10. 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
Fiber optic cable.
In an improperly implemented redundant topology
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.
The sequence number in the TCP header.

11. Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet?
VLAN and Swtich
Half-duplex Ethernet uses a loopback circuit to detect collisions. and Full-duplex Ethernet makes use of two pairs of wires for data.
UDP will pass the information in the datagrams up to the next OSI layer in the order that they arrive.
The switch will forward the frame to a specific port

12. As the Certkiller network administrator - you are required to have a firmunderstanding of the OSI model. Why does the data communication industry use the layered OSI reference model?
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.
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
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 broadcast address will never be the source address of a frame

13. With regard to Ethernet media access methods - which of the following are true?
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
Network
Encapsulations PPP and authentication CHAP

14. Two buildings on the London campus of a CK corporation must be connected to use Ethernet with a bandwidth of at least 100 Mbps. CK is concerned about possible problems from voltage potential differences between the two buldings. Which media type shou
Application
Device Identifiers - Capabilities list - Platform
Show cdp neighbor detail
Fiber optic cable.

15. 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
Switches increase the number of collision domains in the network.
Data link
Layer 4
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

16. Which of the following are spanning tree port states?
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
Learning - Listening - and Forwarding
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
A cross-over cable

17. 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?
In an improperly implemented redundant topology
100 meters
Device Identifiers - Capabilities list - Platform
Layer 3

18. Certkiller has implemented the use of the Virtual Trunking Protocol (VTP). Which statement below accurately describes a benefit of doing this?
Hosts use a logical bus topology
It is used to prevent switching loops in networks with redundant switched routes.
Layer 4
VTP will allow switches to share VLAN configuration information

19. 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.)
Encapsulations PPP and authentication CHAP
It operates without collisions and It provides faster data transfer
MAC Address and Bridge Priority
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.

20. Acknowledgements - sequencing - and flow control are functions that are handled by which layer of the OSI model?
The Bridgeg ID and The bridge priority
Auto - Desirable - and On
Layer 4
The interfaces must be configured for NAT.

21. 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?
The switch will forward the frame to a specific port
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
Data link
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

22. While troubleshooting a connectivity problem - the Certkiller network administrator notices that a port status LED on a Cisco Catalyst Series switch is alternating between green and amber. Which condition could this indicate?
The port is experiencing errors
Data link
Serial0/1 is down - line protocol is down
Port security

23. 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?
Transport
Congestion avoidance - Windowing and Buffering
Telnet and FTP
Switches increase the number of collision domains in the network.

24. 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?
An electrical pulse indicates that the collision has cleared.
This is an Ethernet port operating at half duplex
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.
An additional broadcast domain will be created.

25. Which three statements are true about the operation of a full-duplex Ethernet network - which is being used in the Certkiller LAN?
Buffering - Cut-through - and Congestion avoidance
The switch receives the complete frame before beginning to forward it. and Latency through the switch varies with frame length
A broadcast domain with too many hosts - Broadcast storms - and Low bandwidth
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.

26. 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

27. You need to perform some initial configuration tasks on a new Certkiller switch. What are the possible trunking modes for this switch port?
Hosts use a logical bus topology
802.3ab and 802.3z
An electrical pulse indicates that the collision has cleared.
Auto - On - and Desirable

28. The system LED is amber on a new Certkiller Catalyst 2950 series switch. What does this indicate?
Duplex mismatch
SMTP FTP and HTTP
The system is malfunctioning.
100 meters

29. At which OSI layer is a logical path created between two host systems named CK1 and CK2 on the Certkiller LAN?
In an improperly implemented redundant topology
Fiber optic cable.
Network
Hosts use a logical bus topology

30. Split horizon has been enabled within the Certkiller routed network. Which one of the following statements best explains the split horizon rule?
SMTP - FTP - HTTP - and HTTPS
SMTP FTP and HTTP
Information about a route should never be sent back in the direction from which the original update came.
Application

31. Which line from the output of the show ip interface command indicates that there is a Layer 1 problem?
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.
Serial0/1 is down - line protocol is down
Show arp and Show interface
Show cdp neighbor detail

32. Which of the following devices can the Certkiller network administrator use to segment the LAN?
Switches - Bridges - and Routers
Information about a route should never be sent back in the direction from which the original update came.
The network layer
A hub and A repeater.

33. 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
It will prevent segment 1's broadcasts from getting to segment 2.
They can provide hosts with information about network problems. and They are encapsulated within IP datagrams.
Source Port - Acknowledgment Number - and Window

34. 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?
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.
Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth
In an improperly implemented redundant topology
The Bridgeg ID and The bridge priority

35. 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?
Auto - Desirable - and On
Show cdp neighbor detail
Layer 4
Layer 3

36. In a switched LAN network - What is the Spanning-Tree algorithm used for?
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.
Half-duplex Ethernet operates in a shared collision domain. and Half-duplex Ethernet has lower effective throughput.
It is used to prevent switching loops in networks with redundant switched routes.
VTP

37. CDP is running between two CK devices. What information is supplied by CDP?
Device Identifiers - Capabilities list - Platform
Application
The network layer
802.1Q and ISL

38. 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.
Learning - Listening - and Forwarding
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
100 meters

39. 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?
Layer 3
Configure the switch so that it has lower priority than other switches in the network
Hosts use a logical bus topology
Serial0/1 is down - line protocol is down

40. Why is full-duplex Ethernet superior to its single-duplex counterpart?
Switches increase the number of collision domains in the 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.
It operates without collisions and It provides faster data transfer
Network

41. 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)
Filtering can occur based on Layer 3 information and Broadcasts are not forwarded across the router
It is the sum of the costs based on bandwidth
In an improperly implemented redundant topology
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.

42. Which of the following are types of flow control?
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.
Buffering - Cut-through - and Congestion avoidance
Path selections and Packet switching.
Port security

43. 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?
ARP and ICMP
It is used to prevent switching loops in networks with redundant switched routes.
Serial0/1 is down - line protocol is down
In an improperly implemented redundant topology

44. As a Certkiller trainee you are required to set the default gateway on a Cisco switch to the IP address of 192.168.1.115. Which IOS command should you use?
Allowing simultaneous frame transmissions and filtering frames based on MAC addresses
Switches increase the number of collision domains in the network.
It is used to prevent switching loops in networks with redundant switched routes.
CertK Switch(config)# ip default-gateway 192.168.1.115

45. In which circumstance are multiple copies of the same unicast frame likely to be transmitted in the Certkiller Switched LAN?
Full-duplex Ethernet can provide higher throughput 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.
In an improperly implemented redundant topology
100 meters

46. Cisco is the leader in the router market space. What basic functions do their routers perform in a network?
Path selections and Packet switching.
All switch and bridge ports are in either the forwarding or blocking state.
Duplex mismatch
This is an Ethernet port operating at half duplex

47. Which protocol uses TCP port 443 at layer 4?
Half-duplex Ethernet uses a loopback circuit to detect collisions. and Full-duplex Ethernet makes use of two pairs of wires for data.
Too many hosts in a broadcast domain - Broadcast storms and Low bandwidth
A switch is a multiport bridge and Bridges and switches learn Mac addresses by examining the source MAC address of each frame received.
HTTPS

48. When a switch port is used as a VLAN trunk - which of the following trunk modes are valid?
In an improperly implemented redundant topology
Increased latency and Filtering of all frame errors
Decrease the window size.
Auto - Desirable - and On

49. 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?
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.
Port security
Switches - Bridges - and Routers
100 meters

50. 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
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.
It is the sum of the costs based on bandwidth
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.
SMTP FTP and HTTP

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