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. Certkiller has implemented the use of the Virtual Trunking Protocol (VTP). Which statement below accurately describes a benefit of doing this?
Encapsulations PPP and authentication CHAP
VTP will allow switches to share VLAN configuration information
Decrease the window size.
Show cdp neighbor detail

2. Which one of the following characterisitcs is true regardigin the use of the hubs and switches?
It is used to prevent switching loops in networks with redundant switched routes.
Transport
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.
Switches increase the number of collision domains in the network.

3. 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?
Sequence number - Window size - and Acknowledgment number
The interfaces must be configured for NAT.
The network layer
Port security

4. You are experiencing intermittent issues relating to congestion within the Certkiller network. What are the possible causes of congestion on this LAN?
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.
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
It is the sum of the costs based on bandwidth
A broadcast domain with too many hosts - Broadcast storms - and Low bandwidth

5. 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?
This is an Ethernet port operating at half duplex
Port security
Half-duplex Ethernet uses a loopback circuit to detect collisions. and Full-duplex Ethernet makes use of two pairs of wires for data.
Certkiller B > trace

6. 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
VTP will allow switches to share VLAN configuration information
802.1Q and ISL
Data link
Show arp and Show interface

7. Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet?
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.
In an improperly implemented redundant topology
Switches increase the number of collision domains in the network.

8. 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
Data link
A broadcast address will never be the source address of a frame
Layer 3
UDP will pass the information in the datagrams up to the next OSI layer in the order that they arrive.

9. Which line from the output of the show ip interface command indicates that there is a Layer 1 problem?
Serial0/1 is down - line protocol is down
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
The network layer
UDP will pass the information in the datagrams up to the next OSI layer in the order that they arrive.

10. 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?
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.
A hub and A repeater.
The sequence number in the TCP header.
A CSU/DSU terminates a digital local loop - A modem terminates an analog local loop - A router is commonly considered a DTE device.

11. 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.
Configure the switch so that it has a lower priority than other switches in the network.
Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth
Application
A broadcast domain with too many hosts - Broadcast storms - and Low bandwidth

12. Which protocol uses TCP port 443 at layer 4?
Hosts use a logical bus topology
HTTPS
The network layer
Increased latency and Filtering of all frame errors

13. ICMP is often used in troubleshooting and verifying network. What statements are true regarding ICMP packets?
Switches increase the number of collision domains in the network.
HTTPS - SMTP - and TFTP
They can provide hosts with information about network problems. and They are encapsulated within IP datagrams.
This is an Ethernet port operating at half duplex

14. Which OSI layer header contains the address of a destination host that is on another network?
The Bridgeg ID and The bridge priority
Packet switching - Packet filtering and Internetwork communication.
Network
CertK Switch(config)# ip default-gateway 192.168.1.115

15. CK1 is a switch in the Certkiller network. Why will CK1 never learn the broadcast address?
Information about a route should never be sent back in the direction from which the original update came.
It operates without collisions and It provides faster data transfer
Switches increase the number of collision domains in the network.
A broadcast address will never be the source address of a frame

16. 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
Fiber optic cable.
It is used to prevent switching loops in networks with redundant switched routes.
The Bridgeg ID and The bridge priority

17. Two stations on the Certkiller LAN transmit at the same time - resulting in a collision. What happens when a collision occurs on the network?
It is the sum of the costs based on bandwidth
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.
A broadcast address will never be the source address of a frame
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.

18. 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
A switch is a multiport bridge and Bridges and switches learn Mac addresses by examining the source MAC address of each frame received.
It is used to prevent switching loops in networks with redundant switched routes.
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

19. 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

20. The system LED is amber on a new Certkiller Catalyst 2950 series switch. What does this indicate?
The system is malfunctioning.
SMTP FTP and HTTP
Data link
A hub and A repeater.

21. What kind of cable should be used to establish a trunked line between two Catalyst switches?
Duplex mismatch
A cross-over cable
It is the sum of the costs based on bandwidth
Half-duplex Ethernet uses a loopback circuit to detect collisions. and Full-duplex Ethernet makes use of two pairs of wires for data.

22. 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?
CertK Switch(config)# ip default-gateway 192.168.1.115
Duplex mismatch
VTP will allow switches to share VLAN configuration information
Physical Layer and Datalink Layer

23. What are two characteristics of 'store and forward' switching?
The network layer
Switches - Bridges - and Routers
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 switch receives the complete frame before beginning to forward it. and Latency through the switch varies with frame length

24. Which of the following correctly describe steps in the OSI date encapsulation process?
Configure the switch so that it has lower priority than other switches in 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.
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.
Show arp and Show interface

25. 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?
100 meters
SMTP - FTP - HTTP - and HTTPS
Application
An electrical pulse indicates that the collision has cleared.

26. 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
Fiber optic cable.
A broadcast address will never be the source address of a frame
To allow remote management of the switch.
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.

27. Why is full-duplex Ethernet superior to its single-duplex counterpart?
Show arp and Show interface
Network
VTP
It operates without collisions and It provides faster data transfer

28. Which of the following commands would be applied to a WAN interface - but not on LAN Interface?
Encapsulations PPP and authentication CHAP
802.1Q and ISL
In an improperly implemented redundant topology
Full-duplex Ethernet can provide higher throughout than can half-duplex Ethernet of the same bandwidth

29. 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?
VTP will allow switches to share VLAN configuration information
Port security
Configure the switch so that it has a 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.

30. 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?
Packet switching - Packet filtering and Internetwork communication.
SMTP FTP and HTTP
It operates without collisions and It provides faster data transfer
VTP

31. What are the switch and bridge port characteristics of a layer two spanning-tree network that is fully converged?
It operates without collisions and It provides faster data transfer
Layer 3
Half-duplex Ethernet operates in a shared collision domain. and Half-duplex Ethernet has lower effective throughput.
All switch and bridge ports are in either the forwarding or blocking state.

32. CDP is running between two CK devices. What information is supplied by CDP?
Data link
Device Identifiers - Capabilities list - Platform
Fiber optic cable.
The switch receives the complete frame before beginning to forward it. and Latency through the switch varies with frame length

33. Which two of the following values does STP take into consideration when it elects the root bridge?
A hub and A repeater.
The Bridgeg ID and The bridge priority
Application
Buffering - Cut-through - and Congestion avoidance

34. Which of the following services use TCP?
HTTPS
SMTP FTP and HTTP
Too many hosts in a broadcast domain - Broadcast storms and Low bandwidth
Layer 4

35. When you compare the differences between half-duplex and full-duplex Ethernet - which of the following characteristics are exclusive to half-duplex?
Half-duplex Ethernet operates in a shared collision domain. and Half-duplex Ethernet has lower effective throughput.
An additional broadcast domain will be created.
This is an Ethernet port operating at half duplex
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

36. 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?
VTP
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.
Show cdp neighbor detail
VLAN and Swtich

37. 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?
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.
A cross-over cable
The network layer
Layer 3

38. 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?
ARP and ICMP
Application
802.1Q and ISL
An electrical pulse indicates that the collision has cleared.

39. Which of following VLAN frame encapsulation types are configurable on a Cisco switch?
Auto - Desirable - and On
SMTP FTP and HTTP
802.1Q and ISL
This is an Ethernet port operating at half duplex

40. Which fields are included in the TCP header?
Show arp and Show interface
Source Port - Acknowledgment Number - and Window
SMTP FTP and HTTP
Port security

41. 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?
It operates without collisions and It provides faster data transfer
To allow remote management of the switch.
Packet switching - Packet filtering and Internetwork communication.
SMTP FTP and HTTP

42. When comparing and contrasting the similarities and differences between bridges and switches - which of the following are valid statements?
An additional broadcast domain will be created.
Switches increase the number of collision domains in the network.
The switch receives the complete frame before beginning to forward it. and Latency through the switch varies with frame length
A switch is a multiport bridge and Bridges and switches learn Mac addresses by examining the source MAC address of each frame received.

43. By default - which of the following factors determines the spanning-tree path cost?
It is the sum of the costs based on bandwidth
All switch and bridge ports are in either the forwarding or blocking state.
Port security
Duplex mismatch

44. 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?
The switch will forward the frame to a specific port
ARP and ICMP
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
TCP

45. When a switch port is used as a VLAN trunk - which of the following trunk modes are valid?
Auto - Desirable - and On
It will prevent segment 1's broadcasts from getting to segment 2.
UDP will pass the information in the datagrams up to the next OSI layer in the order that they arrive.
HTTPS - SMTP - and TFTP

46. Which of the following correctly describe the various functions and virtues of a router?
Increased latency and Filtering of all frame errors
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
Packet switching - Packet filtering and Internetwork communication.
Decrease the window size.

47. 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?
Device Identifiers - Capabilities list - Platform
Telnet and FTP
Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth
Fiber optic cable.

48. Which layer of the OSI reference model is responsible for ensuring reliable end to end delivery of data?
The system is malfunctioning.
Layer 4
A cross-over cable
Transport

49. 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?
Telnet and FTP
An electrical pulse indicates that the collision has cleared.
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.

50. 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?
Telnet and FTP
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.
Physical Layer and Datalink Layer
Filtering can occur based on Layer 3 information and Broadcasts are not forwarded across the router

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