Great N10-008 Study Guide Updated For CompTIA Network+ Certification

1. A systems administrator needs to improve WiFi performance in a densely populated office tower and use the latest standard. There is a mix of devices that use 2.4 GHz and 5 GHz.

Which of the following should the systems administrator select to meet this requirement?

2. A network administrator is designing a new datacenter in a different region that will need to communicate to the old datacenter with a secure connection.

Which of the following access methods would provide the BEST security for this new datacenter?

3. Which of the following connector types would have the MOST flexibility?

4. Which of the following would be BEST to use to detect a MAC spoofing attack?

5. Which of the following technologies provides a failover mechanism for the default gateway?

6. A technician is installing a new fiber connection to a network device in a datacenter. The connection from the device to the switch also traverses a patch panel connection.

The chain of connections is in the following order:

Device

LC/LC patch cable

Patch panel

Cross-connect fiber cable

Patch panel

LC/LC patch cable

Switch

The connection is not working. The technician has changed both patch cables with known working patch cables. The device had been tested and was working properly before being installed.

Which of the following is the MOST likely cause of the issue?

7. An IT organization needs to optimize speeds for global content distribution and wants to reduce latency in high-density user locations.

Which of the following technologies BEST meets the organization’s requirements?

8. A network administrator walks into a datacenter and notices an unknown person is following closely. The administrator stops and directs the person to the security desk.

Which of the following attacks did the network administrator prevent?

9. A new cabling certification is being requested every time a network technician rebuilds one end of a Cat 6 (vendor-certified) cable to create a crossover connection that is used to connect switches.

Which of the following would address this issue by allowing the use of the original cable?

10. Which of the following is used to track and document various types of known vulnerabilities?

11. A technician needs to configure a Linux computer for network monitoring.

The technician has the following information:

Linux computer details:

Switch mirror port details:

After connecting the Linux computer to the mirror port on the switch, which of the following commands should the technician run on the Linux computer?

12. A network administrator needs to query the NSs for a remote application.

Which of the following commands would BEST help the administrator accomplish this task?

13. A network technician is reviewing the interface counters on a router interface. The technician is attempting to confirm a cable issue.

Given the following information:

Which of the following metrics confirms there is a cabling issue?

14. Which of the following transceiver types can support up to 40Gbps?

15. Which of the following types of devices can provide content filtering and threat protection, and manage multiple IPSec site-to-site connections?

16. The following configuration is applied to a DHCP server connected to a VPN concentrator:

There are 300 non-concurrent sales representatives who log in for one hour a day to upload reports, and 252 of these representatives are able to connect to the VPN without any Issues. The remaining sales representatives cannot connect to the VPN over the course of the day.

Which of the following can be done to resolve the issue without utilizing additional resources?

17. A network device is configured to send critical events to a syslog server; however, the following alerts are not being received:

Severity 5 LINK-UPDOWN: Interface 1/1, changed state to down

Severity 5 LINK-UPDOWN: Interface 1/3, changed state to down

Which of the following describes the reason why the events are not being received?

18. The network administrator is informed that a user’s email password is frequently hacked by brute-force programs.

Which of the following policies should the network administrator implements to BEST mitigate this issue? (Choose two.)

19. A technician is connecting multiple switches to create a large network for a new office. The switches are unmanaged Layer 2 switches with multiple connections between each pair. The network is experiencing an extreme amount of latency.

Which of the following is MOST likely occurring?

20. A network administrator redesigned the positioning of the APs to create adjacent areas of wireless coverage. After project validation, some users still report poor connectivity when their devices maintain an association to a distanced AP.

Which of the following should the network administrator check FIRST?

21. Several WIFI users are reporting the inability to connect to the network. WLAN users on the guest network are able to access all network resources without any performance issues.

The following table summarizes the findings after a site survey of the area in question:

Which of the following should a wireless technician do NEXT to troubleshoot this issue?

22. A branch of a company recently switched to a new ISP. The network engineer was given a new IP range to assign.

The ISP assigned 196.26.4.0/26, and the branch gateway router now has the following configurations on the interface that peers to the ISP:

The network engineer observes that all users have lost Internet connectivity.

Which of the following describes the issue?

23. Which of the following provides redundancy on a file server to ensure the server is still connected to a LAN even in the event of a port failure on a switch?

24. A network administrator is configuring a load balancer for two systems.

Which of the following must the administrator configure to ensure connectivity during a failover?

25. A network administrator is installing a wireless network at a client’s office.

Which of the following IEEE 802.11 standards would be BEST to use for multiple simultaneous client access?

26. CORRECT TEXT

SIMULATION

You have been tasked with setting up a wireless network in an office. The network will consist of 3 Access Points and a single switch. The network must meet the following parameters:

The SSIDs need to be configured as CorpNet with a key of S3cr3t!

The wireless signals should not interfere with each other

The subnet the Access Points and switch are on should only support 30 devices maximum

The Access Points should be configured to only support TKIP clients at a maximum speed

INSTRUCTONS

Click on the wireless devices and review their information and adjust the settings of the access points to meet the given requirements.

If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.

27. A user tries to ping 192.168.1.100 from the command prompt on the 192.168.2.101 network but gets the following response: U.U.U.U.

Which of the following needs to be configured for these networks to reach each other?

28. CORRECT TEXT

You are tasked with verifying the following requirements are met in order to ensure network security.

Requirements:

Datacenter

Ensure network is subnetted to allow all devices to communicate properly while minimizing address space usage

Provide a dedicated server to resolve IP addresses and hostnames correctly and handle port 53 traffic

Building A

Ensure network is subnetted to allow all devices to communicate properly while minimizing address space usage

Provide devices to support 5 additional different office users

Add an additional mobile user

Replace the Telnet server with a more secure solution

Screened subnet

Ensure network is subnetted to allow all devices to communicate properly while minimizing address space usage

Provide a server to handle external 80/443 traffic

Provide a server to handle port 20/21 traffic

INSTRUCTIONS

Drag and drop objects onto the appropriate locations. Objects can be used multiple times and not all placeholders need to be filled.

Available objects are located in both the Servers and Devices tabs of the Drag & Drop menu.

If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.

29. A technician wants to deploy a new wireless network that comprises 30 WAPs installed throughout a three-story office building. All the APs will broadcast the same SSID for client access.

Which of the following BEST describes this deployment?

30. A technician is installing a high-density wireless network and wants to use an available frequency that supports the maximum number of channels to reduce interference.

Which of the following standard 802.11 frequency ranges should the technician look for while reviewing WAP specifications?

31. Within the realm of network security, Zero Trust:

32. Which of the following devices would be used to manage a corporate WLAN?

33. A store owner would like to have secure wireless access available for both business equipment and patron use.

Which of the following features should be configured to allow different wireless access through the same equipment?

34. An engineer notices some late collisions on a half-duplex link. The engineer verifies that the devices on both ends of the connection are configured for half duplex.

Which of the following is the MOST likely cause of this issue?

35. A technician is troubleshooting a network switch that seems to stop responding to requests intermittently whenever the logging level is set for debugging.

Which of the following metrics should the technician check to begin troubleshooting the issue?

36. An IT director is setting up new disaster and HA policies for a company. Limited downtime is critical to operations. To meet corporate requirements, the director set up two different datacenters across the country that will stay current on data and applications. In the event of an outage, the company can immediately switch from one datacenter to another.

Which of the following does this BEST describe?

37. A network engineer is investigating reports of poor network performance. Upon reviewing a report, the engineer finds that jitter at the office is greater than 10ms on the only WAN connection available.

Which of the following would be MOST affected by this statistic?

38. A technician is assisting a user who cannot connect to a network resource. The technician first checks for a link light.

According to troubleshooting methodology, this is an example of:

39. Which of the following can be used to centrally manage credentials for various types of administrative privileges on configured network devices?

40. A technician is writing documentation regarding a company’s server farm. The technician needs to confirm the server name for all Linux servers.

Which of the following commands should the technician run?

41. A network technician is manually configuring the network settings for a new device and is told the network block is 192.168.0.0/20.

Which of the following subnets should the technician use?

42. After the A record of a public website was updated, some visitors were unable to access the website.

Which of the following should be adjusted to address the issue?

43. A network administrator discovers that users in an adjacent building are connecting to the

company’s guest wireless network to download inappropriate material.

Which of the following can the administrator do to MOST easily mitigate this issue?

44. According to troubleshooting methodology, which of the following should the technician do NEXT after determining the most likely probable cause of an issue?

45. A user reports being unable to access network resources after making some changes in the office.

Which of the following should a network technician do FIRST?

46. An administrator is writing a script to periodically log the IPv6 and MAC addresses of all the devices on a network segment.

Which of the following switch features will MOST likely be used to assist with this task?

47. Branch users are experiencing issues with videoconferencing.

Which of the following will the company MOST likely configure to improve performance for these applications?

48. Which of the following systems would MOST likely be found in a screened subnet?

49. A network technician is installing new software on a Windows-based server in a different geographical location.

Which of the following would be BEST for the technician to use to perform this task?

50. A network engineer configured new firewalls with the correct configuration to be deployed to each remote branch. Unneeded services were disabled, and all firewall rules were applied successfully.

Which of the following should the network engineer perform NEXT to ensure all the firewalls are hardened successfully?

51. A technician is troubleshooting a wireless connectivity issue in a small office located in a high-rise building. Several APs are mounted in this office. The users report that the network connections frequently disconnect and reconnect throughout the day.

Which of the following is the MOST likely cause of this issue?

52. Which of the following routing protocols is used to exchange route information between public autonomous systems?

53. Client devices cannot enter a network, and the network administrator determines the DHCP scope is exhausted. The administrator wants to avoid creating a new DHCP pool.

Which of the following can the administrator perform to resolve the issue?

54. A network is experiencing a number of CRC errors during normal network communication.

At which of the following layers of the OSI model will the administrator MOST likely start to troubleshoot?

55. Which of the following is the physical topology for an Ethernet LAN?

56. A technician is installing multiple UPS units in a major retail store. The technician is required to keep track of all changes to new and old equipment.

Which of the following will allow the technician to record these changes?

57. Which of the following BEST describes a network appliance that warns of unapproved devices that are accessing the network?

58. Access to a datacenter should be individually recorded by a card reader even when multiple employees enter the facility at the same time.

Which of the following allows the enforcement of this policy?

59. A technician is installing a cable modem in a SOHO.

Which of the following cable types will the technician MOST likely use to connect a modem to the ISP?

60. Given the following information:

Which of the following command-line tools would generate this output?

61. A technician is configuring a network switch to be used in a publicly accessible location.

Which of the following should the technician configure on the switch to prevent unintended connections?

62. Which of the following would need to be configured to ensure a device with a specific MAC address is always assigned the same IP address from DHCP?

63. Which of the following DNS records works as an alias to another record?

64. Which of the following TCP ports is used by the Windows OS for file sharing?

65. A technician is searching for a device that is connected to the network and has the device’s physical network address.

Which of the following should the technician review on the switch to locate the device’s network port?

66. Which of the following service models would MOST likely be used to replace on-premises servers with a cloud solution?

67. A fiber link connecting two campus networks is broken.

Which of the following tools should an engineer use to detect the exact break point of the fiber link?

68. Which of the following would MOST likely be used to review previous upgrades to a system?

69. A network administrator is implementing OSPF on all of a company’s network devices.

Which of the following will MOST likely replace all the company’s hubs?

70. Wireless users are reporting intermittent internet connectivity. Connectivity is restored when the users disconnect and reconnect, utilizing the web authentication process each time. The network administrator can see the devices connected to the APs at all times.

Which of the following steps will MOST likely determine the cause of the issue?

71. Which of the following ports is commonly used by VoIP phones?

72. A network technician needs to ensure outside users are unable to telnet into any of the servers at the datacenter.

Which of the following ports should be blocked when checking firewall configuration?

73. Which of the following factors should be considered when evaluating a firewall to protect a datacenter’s east-west traffic?

74. Which of the following is the LARGEST MTU for a standard Ethernet frame?

75. The management team needs to ensure unnecessary modifications to the corporate network are not permitted and version control is maintained.

Which of the following documents would BEST support this?

76. A workstation is configured with the following network details:

Software on the workstation needs to send a query to the local subnet broadcast address.

To which of the following addresses should the software be configured to send the query?

77. A network engineer performs the following tasks to increase server bandwidth:

Connects two network cables from the server to a switch stack

Configure LACP on the switchports

Verifies the correct configurations on the switch interfaces

Which of the following needs to be configured on the server?

78. An engineer is configuring redundant network links between switches.

Which of the following should the engineer enable to prevent network stability issues?

79. A website administrator is concerned the company’s static website could be defaced by hacktivists or used as a pivot point to attack internal systems.

Which of the following should a network security administrator

recommend to assist with detecting these activities?

80. At which of the following OSI model layers would a technician find an IP header?

81. Which of the following is used to prioritize Internet usage per application and per user on the network?

82. A network engineer is investigating reports of poor network performance. Upon reviewing a device configuration, the engineer finds that duplex settings are mismatched on both ends.

Which of the following would be the MOST likely result of this finding?

83. A technician receives feedback that some users are experiencing high amounts of jitter while using the wireless network. While troubleshooting the network, the technician uses the ping command with the IP address of the default gateway and verifies large variations in latency. The technician thinks the issue may be interference from other networks and non-802.11 devices.

Which of the following tools should the technician use to troubleshoot the issue?

84. A company built a new building at its headquarters location. The new building is connected to the company’s LAN via fiber-optic cable. Multiple users in the new building are unable to access the company’s intranet site via their web browser, but they are able to access internet sites.

Which of the following describes how the network administrator can resolve this issue?

85. A company hired a technician to find all the devices connected within a network.

Which of the following software tools would BEST assist the technician in completing this task?

86. An attacker is attempting to find the password to a network by inputting common words and phrases in plaintext to the password prompt.

Which of the following attack types BEST describes this action?

87. A client recently added 100 users who are using VMs. All users have since reported slow or unresponsive desktops. Reports show minimal network congestion, zero packet loss, and acceptable packet delay.

Which of the following metrics will MOST accurately show the underlying performance issues? (Choose two.)

88. Which of the following is MOST likely to generate significant East-West traffic in a datacenter?

89. A technician is deploying a new switch model and would like to add it to the existing network monitoring software. The technician wants to know what metrics can be gathered from a given switch.

Which of the following should the technician utilize for the switch?

90. A network administrator needs to implement an HDMI over IP solution.

Which of the following will the network administrator MOST likely use to ensure smooth video delivery?

91. Which of the following services can provide data storage, hardware options, and scalability to a third-party company that cannot afford new devices?

92. A company wants to implement a large number of WAPs throughout its building and allow users to be able to move around the building without dropping their connections.

Which of the following pieces of equipment would be able to handle this requirement?

93. A network technician is configuring a new firewall for a company with the necessary access requirements to be allowed through the firewall.

Which of the following would normally be applied as the LAST rule in the firewall?

94. Which of the following is required when connecting an endpoint device with an RJ45 port to a network device with an ST port?

95. A rogue AP was found plugged in and providing Internet access to employees in the break room.

Which of the following would be BEST to use to stop this from happening without physically removing the WAP?

96. Allow devices to move to different switchports on the same VLAN

Which of the following should the network administrator do to accomplish these requirements?

97. Which of the following is MOST commonly used to address CVEs on network equipment and/or operating systems?