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. 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 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.
Show cdp neighbor detail
TCP
Layer 3

2. 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?
802.3ab and 802.3z
Full-duplex Ethernet can provide higher throughout than can half-duplex Ethernet of the same bandwidth
Configure the switch so that it has lower priority than other switches in the network
802.1Q and ISL

3. What kind of cable should be used to establish a trunked line between two Catalyst switches?
An electrical pulse indicates that the collision has cleared.
Network
A cross-over cable
Packet switching - Packet filtering and Internetwork communication.

4. The corporate head office of Certkiller has a teleconferencing system that uses VOIP (voice over IP) technology. This system uses UDP as the transport for the data transmissions. If these UDP datagrams arrive at their destination out of sequence - wh
They can provide hosts with information about network problems. and They are encapsulated within IP datagrams.
All switch and bridge ports are in either the forwarding or blocking state.
UDP will pass the information in the datagrams up to the next OSI layer in the order that they arrive.
Fiber optic cable.

5. By default - which of the following factors determines the spanning-tree path cost?
All switch and bridge ports are in either the forwarding or blocking state.
It is the sum of the costs based on bandwidth
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 CSU/DSU terminates a digital local loop - A modem terminates an analog local loop - A router is commonly considered a DTE device.

6. 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?
Physical Layer and Datalink Layer
All switch and bridge ports are in either the forwarding or blocking state.
Too many hosts in a broadcast domain - Broadcast storms and Low bandwidth
Data link

7. CK1 is a switch in the Certkiller network. Why will CK1 never learn the broadcast address?
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.
A broadcast address will never be the source address of a frame
STP
Data link

8. Which OSI layer header contains the address of a destination host that is on another network?
Too many hosts in a broadcast domain - Broadcast storms and Low bandwidth
UDP will pass the information in the datagrams up to the next OSI layer in the order that they arrive.
Network
VLAN and Swtich

9. 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?
A switch is a multiport bridge and Bridges and switches learn Mac addresses by examining the source MAC address of each frame received.
The switch will forward the frame to a specific port
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 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.

10. 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?
It will prevent segment 1's broadcasts from getting to segment 2.
The network layer
Path selections and Packet switching.
Increased latency and Filtering of all frame errors

11. Which OSI layer is associated with the following: The acknowledgment of transmissions - sequencing - and flow control across a network?
Layer 3
Layer 4
Sequence number - Window size - and Acknowledgment number
100 meters

12. 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?
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.
Transport
Auto - On - and Desirable
VTP

13. Which of the protocols below use TCP at the transport layer?
ARP and ICMP
Filtering can occur based on Layer 3 information and Broadcasts are not forwarded across the router
SMTP - FTP - HTTP - and HTTPS
Information about a route should never be sent back in the direction from which the original update came.

14. Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet?
STP
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.
Half-duplex Ethernet uses a loopback circuit to detect collisions. and Full-duplex Ethernet makes use of two pairs of wires for data.
It will prevent segment 1's broadcasts from getting to segment 2.

15. Which of the following correctly describe steps in the OSI date encapsulation process?
Configure the switch so that it has a lower priority than other switches in the network.
802.3ab and 802.3z
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

16. Which one of the following characterisitcs is true regardigin the use of the hubs and switches?
Configure the switch so that it has lower priority than other switches in the network
Information about a route should never be sent back in the direction from which the original update came.
Switches increase the number of collision domains in the network.
Too many hosts in a broadcast domain - Broadcast storms and Low bandwidth

17. When comparing and contrasting the similarities and differences between bridges and switches - which of the following are valid statements?
It is used to prevent switching loops in networks with redundant switched routes.
HTTPS - SMTP - and TFTP
A switch is a multiport bridge and Bridges and switches learn Mac addresses by examining the source MAC address of each frame received.
Device Identifiers - Capabilities list - Platform

18. Which two statements describe the operation of the CSMA/CD access method - which is in use on the Certkiller network?
A broadcast address will never be the source address of a frame
Layer 3
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
SMTP - FTP - HTTP - and HTTPS

19. 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?
The system is malfunctioning.
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.
MAC Address and Bridge Priority
100 meters

20. At which OSI layer is a logical path created between two host systems named CK1 and CK2 on the Certkiller LAN?
It is used to prevent switching loops in networks with redundant switched routes.
Network
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.
They can provide hosts with information about network problems. and They are encapsulated within IP datagrams.

21. 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?
A hub and A repeater.
ARP and ICMP
Telnet and FTP
SMTP - FTP - HTTP - and HTTPS

22. 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
Duplex mismatch
Configure the switch so that it has a lower priority than other switches in the network.
The interfaces must be configured for NAT.
It is the sum of the costs based on bandwidth

23. While troubleshooting an issue in the Certkiller LAN you notice that a network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement - What is known about the network interface port?
The system is malfunctioning.
This is an Ethernet port operating at half duplex
Source Port - Acknowledgment Number - and Window
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.

24. Cisco is the leader in the router market space. What basic functions do their routers perform in a network?
UDP will pass the information in the datagrams up to the next OSI layer in the order that they arrive.
The interfaces must be configured for NAT.
Information about a route should never be sent back in the direction from which the original update came.
Path selections and Packet switching.

25. Two stations on the Certkiller LAN transmit at the same time - resulting in a collision. What happens when a collision occurs on the 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.
Show arp and Show interface
A broadcast domain with too many hosts - Broadcast storms - and Low bandwidth
Network

26. Which of following VLAN frame encapsulation types are configurable on a Cisco switch?
802.1Q and ISL
100 meters
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.
A broadcast address will never be the source address of a frame

27. The system LED is amber on a new Certkiller Catalyst 2950 series switch. What does this indicate?
Too many hosts in a broadcast domain - Broadcast storms and Low bandwidth
The system is malfunctioning.
A switch is a multiport bridge and Bridges and switches learn Mac addresses by examining the source MAC address of each frame received.
Data link

28. 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?
Allowing simultaneous frame transmissions and filtering frames based on MAC addresses
A switch is a multiport bridge and Bridges and switches learn Mac addresses by examining the source MAC address of each frame received.
Duplex mismatch
Network

29. 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
MAC Address and Bridge Priority
Auto - On - and Desirable
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.

30. 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
Configure the switch so that it has lower priority than other switches in the network
A broadcast domain with too many hosts - Broadcast storms - and Low bandwidth
The system is malfunctioning.

31. Which of the following devices can the Certkiller network administrator use to segment the LAN?
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
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.
Congestion avoidance - Windowing and Buffering
Switches - Bridges - and Routers

32. In a switched LAN network - What is the Spanning-Tree algorithm used for?
SMTP FTP and HTTP
It is used to prevent switching loops in networks with redundant switched routes.
It is the sum of the costs based on bandwidth
Encapsulations PPP and authentication CHAP

33. What are two characteristics of 'store and forward' switching?
Packet switching - Packet filtering and Internetwork communication.
The switch receives the complete frame before beginning to forward it. and Latency through the switch varies with frame length
Allowing simultaneous frame transmissions and filtering frames based on MAC addresses
TCP

34. Which Layer 4 protocol is used for a Telnet connections between two CK routers?
In an improperly implemented redundant topology
TCP
Layer 4
HTTPS - SMTP - and TFTP

35. Acknowledgements - sequencing - and flow control are functions that are handled by which layer of the OSI model?
Layer 4
Layer 3
Increased latency and Filtering of all frame errors
Device Identifiers - Capabilities list - Platform

36. 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.
A switch is a multiport bridge and Bridges and switches learn Mac addresses by examining the source MAC address of each frame received.
Application
An additional broadcast domain will be created.
TCP

37. Which of the protocols below - operates at Layer 2 of the OSI model - and is used to maintain a loop-free network?
Buffering - Cut-through - and Congestion avoidance
STP
Allowing simultaneous frame transmissions and filtering frames based on MAC addresses
HTTPS

38. In which circumstance are multiple copies of the same unicast frame likely to be transmitted in the Certkiller Switched LAN?
In an improperly implemented redundant topology
A switch is a multiport bridge and Bridges and switches learn Mac addresses by examining the source MAC address of each frame received.
Telnet and FTP
Switches increase the number of collision domains in the network.

39. Which fields are included in the TCP header?
Source Port - Acknowledgment Number - and Window
Auto - On - and Desirable
Physical Layer and Datalink Layer
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.

40. What is the purpose of the spanning-tree algorithm in a switched LAN?
Configure the switch so that it has lower priority than other switches in the network
To prevent switching loops in networks with redundant switched paths.
Show cdp neighbor detail
Telnet and FTP

41. You are experiencing intermittent issues relating to congestion within the Certkiller network. What are the possible causes of congestion on this LAN?
STP
Encapsulations PPP and authentication CHAP
A broadcast domain with too many hosts - Broadcast storms - and Low bandwidth
Switches - Bridges - and Routers

42. 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?
Configure the switch so that it has lower priority than other switches in the network
Port security
To allow remote management of the switch.
Hosts use a logical bus topology

43. 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?
Too many hosts in a broadcast domain - Broadcast storms and Low bandwidth
Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth
Data link
STP

44. When a switch port is used as a VLAN trunk - which of the following trunk modes are valid?
They can provide hosts with information about network problems. and They are encapsulated within IP datagrams.
The interfaces must be configured for NAT.
HTTPS
Auto - Desirable - and On

45. Which of the following correctly describe the various functions and virtues of a router?
The network layer
Packet switching - Packet filtering and Internetwork communication.
Sequence number - Window size - and Acknowledgment number
The port is experiencing errors

46. 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.
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.
MAC Address and Bridge Priority
Auto - Desirable - and On

47. 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?
Path selections and Packet switching.
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 - Bridges - and Routers
Full-duplex Ethernet can provide higher throughout than can half-duplex Ethernet of the same bandwidth

48. 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.)
All switch and bridge ports are in either the forwarding or blocking state.
It is the sum of the costs based on bandwidth
Packet switching - Packet filtering and Internetwork communication.
MAC Address and Bridge Priority

49. You need to perform some initial configuration tasks on a new Certkiller switch. What are the possible trunking modes for this switch port?
HTTPS - SMTP - and TFTP
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.
Data link
Auto - On - and Desirable

50. 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?
Switches increase the number of collision domains in the network.
The port is experiencing errors
Configure the switch so that it has lower priority than other switches in the network
A switch is a multiport bridge and Bridges and switches learn Mac addresses by examining the source MAC address of each frame received.

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