Question # 1 A network administrator has been tasked with configuring a network for a new corporate
office. The office consists of two buildings, separated by 50 feet with no physical
connectivity. The configuration must meet the following requirements:
Answer Description
Question # 2 Following a fire in a data center, the cabling was replaced. Soon after, an administrator notices network issues. Which of the following are the most likely causes of the network issues? (Select two). A. The switches are not the correct voltage.B. The HVAC system was not verified as fully functional after the fire.C. The VLAN database was not deleted before the equipment was brought back online.D. The RJ45 cables were replaced with unshielded cables.E. The wrong transceiver type was used for the new termination.
Click for Answer
D. The RJ45 cables were replaced with unshielded cables.E. The wrong transceiver type was used for the new termination.
Answer Description Explanation:
Unshielded cables (D) are more prone to interference and may not be suitable for certain environments, especially after a fire where interference could be heightened.
Using the wrong transceiver (E) for new terminations can lead to compatibility issues, causing network failures.
Question # 3 A network administrator installed anew VLAN to the network after a company added an
additional floor to the office. Users are unable to obtain an IP address on the new VLAN,
but ports on existing VLANs are working properly. Which of the following configurations
should the administrator update? A. Scope size
B. Address reservations
C. Lease time
D. IP helper
Click for Answer
D. IP helper
Answer Description Explanation : Comprehensive and Detailed Explanation:
When anew VLAN is created, it typically exists on a different subnet. If DHCP servers are on a different VLAN, the network needs an IP helper address to forward DHCP requests correctly. Without it, clients in the new VLAN won’t receive an IP address.
Breakdown of Options:
A. Scope size– Increasing the DHCP scope would not resolve the issue if requests aren't reaching the server.
B. Address reservations– Reservations only assign specific addresses to devices; they do not fix DHCP communication issues.
C. Lease time– Changing the lease time does not impact DHCP functionality across VLANs.
D. IP helper–Correct answer. This forwards DHCP requests across VLANs to the DHCP server.
Question # 4 Newly crimped 26ft (8m) STP Cat 6 patch cables were recently installed in one room to
replace cables that were damaged by a vacuum cleaner. Now, users in that room are
unable to connect to the network. A network technician tests the existing cables first. The
177ft (54m) cable that runs from the core switch to the access switch on the floor is
working, as is the 115ft (35m) cable run from the access switch to the wall jack in the office.
Which of the following is the most likely reason the users cannot connect to the network? A. Mixed UTP and STP cables are being used.
B. The patch cables are not plenum rated.
C. The cable distance is exceeded.
D. An incorrect pinout on the patch cable is being used.
Click for Answer
D. An incorrect pinout on the patch cable is being used.
Answer Description Explanation :
An incorrect pinout on the patch cable could prevent network connectivity due to
mismatched wiring. Even if the cables are the correct length and type, a pinout issue can
cause continuity problems and prevent data transmission. Proper crimping with the correct
pinout is essential for network cables to function.
Question # 5 A user connects to a corporate VPN via a web browser and is able to use TLS to access the internal financial system to input a time card. Which of the following best describes how the VPN is being used? A. Clientless B. Client-to-site C. Full tunnel D. Site-to-site
Click for Answer
A. Clientless
Answer Description Explanation:
[Reference: CompTIA Network+ Certification Exam Objectives - Remote Access Methods section., ]
Question # 6
Answer Description Explanation:
(Note: Ips will be change on each simulation task, so we have given example answer for the understanding)
To perform a network discovery by entering commands into the terminal, you can use the following steps:
Click on each switch to open its terminal window.
Enter the command show ip interface brief to display the IP addresses and statuses of the switch interfaces.
Enter the command show vlan brief to display the VLAN configurations and assignments of the switch interfaces.
Enter the command show cdp neighbors to display the information about the neighboring devices that are connected to the switch.
Fill in the missing information in the diagram using the drop-down menus provided.
Here is an example of how to fill in the missing information for Core Switch 1:
The IP address of Core Switch 1 is 192.168.1.1.
The VLAN configuration of Core Switch 1 is VLAN 1: 192.168.1.0/24, VLAN 2:
192.168.2.0/24, VLAN 3: 192.168.3.0/24.
The neighboring devices of Core Switch 1 are Access Switch 1 and Access Switch 2.
The interfaces that connect Core Switch 1 to Access Switch 1 are GigabitEthernet0/1 and GigabitEthernet0/2.
The interfaces that connect Core Switch 1 to Access Switch 2 are GigabitEthernet0/3 and GigabitEthernet0/4.
You can use the same steps to fill in the missing information for Access Switch 1 and Access Switch 2.
Question # 7 A client with a 2.4GHz wireless network has stated that the entire office is experiencing
intermittent issues with laptops after the WAP was moved. Which of the following is the
most likely reason for these issues? A. The network uses a non-overlapping channel.
B. The signal is reflecting too much.
C. The network has excessive noise.
D. A microwave is in the office.
Click for Answer
D. A microwave is in the office.
Answer Description Explanation :
Microwaves are known to interfere with the 2.4GHz frequency, which is the same
frequency used by many wireless networks. This can cause signal degradation and
intermittent connectivity issues, especially if the WAP is placed near such devices.
Question # 8 A university is implementing anew campus wireless network. A network administrator
needs to configure the network tosupport a large number of devicesandhigh-bandwidth
demandsfrom students.
Which of the followingwireless technologiesshould the administrator consider for this scenario? A. Bluetooth
B. Wi-Fi 6E
C. 5G
D. LTE
Click for Answer
B. Wi-Fi 6E
Answer Description Explanation : Comprehensive and Detailed Explanation:
Wi-Fi 6Eis thebest choiceforhigh-density environments, such as a university campus. It:
Supports more deviceswithOFDMA(Orthogonal Frequency-Division Multiple
Access)
Uses the 6GHz band, reducing congestion
Provides faster speeds and lower latency
This makesWi-Fi 6Eideal forlarge networks with high-bandwidth demands, like those in
a university setting.
Breakdown of Options:
A. Bluetooth– Used forshort-range, low-power connections,not large-scale wireless
networks.
B. Wi-Fi 6E–Correct answer.Designed forhigh-density environments,improving
speed and efficiency.
C. 5G– Used formobile networks, butnot ideal for campus-wide local wireless
infrastructure.
D. LTE– Used forcellular data,not for campus-wide Wi-Fi.
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