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. ICMP is often used in troubleshooting and verifying network. What statements are true regarding ICMP packets?
They can provide hosts with information about network problems. and They are encapsulated within IP datagrams.
A CSU/DSU terminates a digital local loop - A modem terminates an analog local loop - A router is commonly considered a DTE device.
It will prevent segment 1's broadcasts from getting to segment 2.
This is an Ethernet port operating at half duplex

2. 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
Show cdp neighbor detail
Fiber optic cable.
Certkiller B > trace

3. 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
Layer 3
A switch is a multiport bridge and Bridges and switches learn Mac addresses by examining the source MAC address of each frame received.
UDP will pass the information in the datagrams up to the next OSI layer in the order that they arrive.

4. At which layer of the OSI model does the protocol that provides the information displayed by the 'show cdp neighbors' command operate?
Full-duplex Ethernet can provide higher throughout than can half-duplex Ethernet of the same bandwidth
HTTPS - SMTP - and TFTP
Data link
ARP and ICMP

5. 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?
Half-duplex Ethernet operates in a shared collision domain. and Half-duplex Ethernet has lower effective throughput.
STP
Network
Layer 3

6. What are the switch and bridge port characteristics of a layer two spanning-tree network that is fully converged?
Learning - Listening - and Forwarding
It is the sum of the costs based on bandwidth
Network
All switch and bridge ports are in either the forwarding or blocking state.

7. 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?
Increased latency and Filtering of all frame errors
Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth
100 meters
Data link

8. 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?
The switch receives the complete frame before beginning to forward it. and Latency through the switch varies with frame length
Certkiller B > trace
Switches - Bridges - and Routers
The Bridgeg ID and The bridge priority

9. 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?
Too many hosts in a broadcast domain - Broadcast storms and Low bandwidth
TCP
The switch will forward the frame to a specific port
An additional broadcast domain will be created.

10. Which of the following devices can the Certkiller network administrator use to segment the LAN?
Certkiller B > trace
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.
Switches - Bridges - and Routers
Half-duplex Ethernet operates in a shared collision domain. and Half-duplex Ethernet has lower effective throughput.

11. 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?
An electrical pulse indicates that the collision has cleared.
ARP and ICMP
Application
CertK Switch(config)# ip default-gateway 192.168.1.115

12. At which OSI layer is a logical path created between two host systems named CK1 and CK2 on the Certkiller LAN?
HTTPS - SMTP - and TFTP
Network
Encapsulations PPP and authentication CHAP
A CSU/DSU terminates a digital local loop - A modem terminates an analog local loop - A router is commonly considered a DTE device.

13. Which of the protocols below - operates at Layer 2 of the OSI model - and is used to maintain a loop-free network?
STP
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
HTTPS
Application

14. 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.)
802.3ab and 802.3z
Sequence number - Window size - and Acknowledgment number
MAC Address and Bridge Priority
Application

15. Which of the protocols below use TCP at the transport layer?
TCP
SMTP - FTP - HTTP - and HTTPS
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.
The interfaces must be configured for NAT.

16. What is the purpose of the spanning-tree algorithm in a switched LAN?
Switches - Bridges - and Routers
They can provide hosts with information about network problems. and They are encapsulated within IP datagrams.
Half-duplex Ethernet uses a loopback circuit to detect collisions. and Full-duplex Ethernet makes use of two pairs of wires for data.
To prevent switching loops in networks with redundant switched paths.

17. What is the IEEE standard associated with Gigabit Ethernet?
Auto - On - and Desirable
Network
Switches increase the number of collision domains in the network.
802.3ab and 802.3z

18. Certkiller is installing IP phones in a new office. The phones and office computers connect to the same device. To ensure maximum throughout for the phone data sessions - the company needs to make sure that the phone traffic is on a different network
Source Port - Acknowledgment Number - and Window
VLAN and Swtich
The network layer
Data link

19. 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?
HTTPS
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.
Network
Congestion avoidance - Windowing and Buffering

20. Which protocol uses TCP port 443 at layer 4?
802.3ab and 802.3z
HTTPS
A CSU/DSU terminates a digital local loop - A modem terminates an analog local loop - A router is commonly considered a DTE device.
Decrease the window size.

21. 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
Serial0/1 is down - line protocol is down
An electrical pulse indicates that the collision has cleared.
Fiber optic cable.
Half-duplex Ethernet operates in a shared collision domain. and Half-duplex Ethernet has lower effective throughput.

22. Which fields are included in the TCP header?
Application
Too many hosts in a broadcast domain - Broadcast storms and Low bandwidth
Source Port - Acknowledgment Number - and Window
Auto - Desirable - and On

23. 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
Full-duplex Ethernet can provide higher throughout than can half-duplex Ethernet of the same bandwidth
The system is malfunctioning.
Congestion avoidance - Windowing and Buffering

24. 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?
Too many hosts in a broadcast domain - Broadcast storms and Low bandwidth
Layer 4
The port is experiencing errors
Increased latency and Filtering of all frame errors

25. 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?
Auto - Desirable - and On
An electrical pulse indicates that the collision has cleared.
Telnet and FTP
ARP and ICMP

26. CDP is being used trhoughout the CK network. What are two reasons why the CK network administrator would use CDP?
Congestion avoidance - Windowing and Buffering
Configure the switch so that it has lower priority than other switches in the 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.
Filtering can occur based on Layer 3 information and Broadcasts are not forwarded across the router

27. 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?
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
It operates without collisions and It provides faster data transfer
A CSU/DSU terminates a digital local loop - A modem terminates an analog local loop - A router is commonly considered a DTE device.
It is used to prevent switching loops in networks with redundant switched routes.

28. Which two statements describe the operation of the CSMA/CD access method - which is in use on the Certkiller network?
The switch receives the complete frame before beginning to forward it. and Latency through the switch varies with frame length
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
TCP
VLAN and Swtich

29. 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?
100 meters
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 is used to prevent switching loops in networks with redundant switched routes.
Network

30. What are two characteristics of 'store and forward' switching?
STP
It operates without collisions and It provides faster data transfer
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
The switch receives the complete frame before beginning to forward it. and Latency through the switch varies with frame length

31. Cisco is the leader in the router market space. What basic functions do their routers perform in a network?
Switches increase the number of collision domains in the network.
Path selections and Packet switching.
SMTP FTP and HTTP
Information about a route should never be sent back in the direction from which the original update came.

32. Which of the following correctly describe steps in the OSI date encapsulation process?
Sequence number - Window size - and Acknowledgment number
VTP
Path selections and Packet switching.
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.

33. 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?
Layer 4
Configure the switch so that it has lower priority than other switches in the network
Physical Layer and Datalink Layer
Serial0/1 is down - line protocol is down

34. By default - which of the following factors determines the spanning-tree path cost?
An additional broadcast domain will be created.
Half-duplex Ethernet uses a loopback circuit to detect collisions. and Full-duplex Ethernet makes use of two pairs of wires for data.
Half-duplex Ethernet operates in a shared collision domain. and Half-duplex Ethernet has lower effective throughput.
It is the sum of the costs based on bandwidth

35. 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?
The switch receives the complete frame before beginning to forward it. and Latency through the switch varies with frame length
Layer 3
The network layer
Configure the switch so that it has lower priority than other switches in the network

36. When comparing and contrasting the similarities and differences between bridges and switches - which of the following are valid statements?
Layer 4
It is the sum of the costs based on bandwidth
A switch is a multiport bridge and Bridges and switches learn Mac addresses by examining the source MAC address of each frame received.
A cross-over cable

37. 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
Filtering can occur based on Layer 3 information and Broadcasts are not forwarded across the router
VLAN and Swtich
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.

38. 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?
Show cdp neighbor detail
A CSU/DSU terminates a digital local loop - A modem terminates an analog local loop - A router is commonly considered a DTE device.
Telnet and FTP
HTTPS - SMTP - and TFTP

39. 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?
TCP
Certkiller B > trace
Telnet and FTP
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

40. A receiving host has failed to receive all of the segments that it should acknowledge. What can the host do to improve the reliability of this communication session?
A switch is a multiport bridge and Bridges and switches learn Mac addresses by examining the source MAC address of each frame received.
To prevent switching loops in networks with redundant switched paths.
Decrease the window size.
A broadcast address will never be the source address of a frame

41. Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet?
Half-duplex Ethernet uses a loopback circuit to detect collisions. and Full-duplex Ethernet makes use of two pairs of wires for data.
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.
The port is experiencing errors
MAC Address and Bridge Priority

42. 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?
Auto - On - and Desirable
A hub and A repeater.
To prevent switching loops in networks with redundant switched paths.
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.

43. 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
Data link
SMTP FTP and HTTP
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

44. When a switch port is used as a VLAN trunk - which of the following trunk modes are valid?
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.
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.
A hub and A repeater.
Auto - Desirable - and On

45. Certkiller has implemented the use of the Virtual Trunking Protocol (VTP). Which statement below accurately describes a benefit of doing this?
Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth
HTTPS - SMTP - and TFTP
It operates without collisions and It provides faster data transfer
VTP will allow switches to share VLAN configuration information

46. 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?
Auto - Desirable - and On
VTP will allow switches to share VLAN configuration information
To allow remote management of the switch.
Data link

47. 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
To prevent switching loops in networks with redundant switched paths.
Duplex mismatch
An additional broadcast domain will be created.
SMTP - FTP - HTTP - and HTTPS

48. 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?
An electrical pulse indicates that the collision has cleared.
Configure the switch so that it has a lower priority than other switches in the network.
The network layer
A cross-over cable

49. Which line from the output of the show ip interface command indicates that there is a Layer 1 problem?
Switches increase the number of collision domains in the network.
The switch will forward the frame to a specific port
Serial0/1 is down - line protocol is down
A cross-over cable

50. Which of the following commands would be applied to a WAN interface - but not on LAN Interface?
VLAN and Swtich
Encapsulations PPP and authentication CHAP
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
The switch receives the complete frame before beginning to forward it. and Latency through the switch varies with frame length

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