CompTIA Updated N10-008 Exam Questions and Answers by rishi

• Smart lockers are secure storage units that can be accessed remotely by authorized users via a code, a card, or a biometric scan. They can be used to store various types of devices, such as laptops, tablets, phones, or tools, and provide contactless delivery to users who need them.
• Asset tags are labels that identify and track the inventory of devices, but they do not provide storage or delivery functions.
• Biometrics are methods of verifying the identity of users based on their physical or behavioral characteristics, such as fingerprints, face, or voice. They can be used to authenticate users, but they do not provide storage or delivery functions by themselves.
• Access control vestibules are physical or logical barriers that restrict the entry or exit of users to a certain area, such as a building, a room, or a network. They can be used to enhance the security of devices, but they do not provide storage or delivery functions by themselves.
• Therefore, the correct answer is D. Smart lockers, as they can be used to store various types of devices and provide contactless delivery to users. References:
• CompTIA Network+ N10-008 Certification Study Guide, Chapter 2: Network Devices and Technologies, page 66
• Professor Messer’s CompTIA N10-008 Network+ Course Notes, Section 2.5: Network Device Placement and Installation, page 23

• A pinout is the arrangement of wires or pins in a cable or connector that determines how the signals are transmitted and received. A pinout can be either straight-through, which means that the wires or pins are connected in the same order on both ends of the cable or connector, or crossover, which means that the wires or pins are swapped on one end of the cable or connector.
• An incorrect pinout is a likely cause of the low data rate and port errors, because it can prevent the proper communication between the workstation and the switch. If the pinout is not compatible with the devices or the standards, the signals may be distorted, lost, or misinterpreted, resulting in errors and reduced performance. For example, if the workstation and the switch use different Ethernet standards, such as 10BASE-T and 1000BASE-T, they may require different pinouts to operate correctly. If the cable or connector has a mismatched pinout, the workstation and the switch may not be able to negotiate the optimal speed and duplex settings, and may fall back to a lower data rate, such as 100 full duplex, or experience many RX and TX errors.
• Therefore, option D is the most likely answer, as the incorrect pinout needs to be corrected to provide the optimal data rate and port performance. The technician needs to check the cable and connector types, standards, and pinouts, and replace them with the appropriate ones that match the workstation and the switch specifications.
• Option A is not a likely answer, as the bad switch ports would affect the connectivity and performance of any device that is connected to them, not just the workstation. If the technician moves the computer to another switchport and experiences the same issues, it indicates that the problem is not with the switch ports, but with the workstation, the cable, or the connector.
• Option B is also not a likely answer, as the duplex issues would affect the mode of data transmission between the workstation and the switch, not the data rate or the port errors. The duplex issues can be either half-duplex, which means that data can be transmitted in one direction at a time, or full-duplex, which means that data can be transmitted in both directions simultaneously. The duplex issues can cause collisions or interference if the workstation and the switch have different duplex settings, but they would not cause the data rate to drop to 100 full duplex, or cause many RX and TX errors.
• Option C is also not a likely answer, as the cable length would affect the signal strength and quality of the data transmission, not the data rate or the port errors. The cable length can cause attenuation, which is the loss of signal power over distance, or crosstalk, which is the interference from adjacent wires or cables. The cable length can cause the data transmission to be degraded or corrupted, but it would not cause the data rate to drop to 100 full duplex, or cause many RX and TX errors.

References:

• CompTIA Network+ N10-008 Study Guide, Chapter 2: Network Devices and Technologies, Section 2.1: Network Cabling and Connectors, Page 661
• Professor Messer’s CompTIA N10-008 Network+ Course Notes, Section 2.1: Network Cabling and Connectors, Page 92
• What is a Pinout? | Definition and Examples3
• Ethernet Cable Pinouts - Cisco
• Troubleshooting Ethernet Cable Problems - Cisco

The best option for the administrator to take would be to attempt to connect to the site via IP address. This will help to determine if the issue is related to the website's DNS address or if the site itself is not accessible. Checking for certificate issues may be necessary, but this should be done after the administrator has attempted to connect to the site via IP address. Contacting the ISP is unnecessary since the issue is related to the website inside of the company network, and checking the NTP configuration is not relevant to this issue.

When a customer is having issues connecting to a website using a URL, one of the first troubleshooting steps a network administrator should take is attempting to connect to the site using the IP address of the website. This will help to determine if the issue is related to a DNS resolution problem or a connectivity problem. If the administrator is able to connect to the website using the IP address, then the issue may be related to a DNS problem. However, if the administrator is still unable to connect, then the issue may be related to a connectivity problem. In either case, further troubleshooting steps will be necessary. Checking for certificate issues or NTP configuration, and contacting the ISP would not be the BEST initial steps in this scenario.

The IP address ::1/128 is the loopback address of the local host in IPv6, which is the equivalent of the 127.0.0.1 in IPv4. The loopback address is a virtual interface that loops all traffic back to itself, the local host. The loopback address is used for testing and troubleshooting purposes, such as checking the connectivity and configuration of the network stack. If an application tries to reach the loopback address, it means that it is not communicating with any external network or server, but only with itself.

The other options are not correct because they are not associated with the IP address ::1/128. They are:

• APIPA. APIPA stands for Automatic Private IP Addressing, which is a feature that allows a device to assign itself a private IPv4 address in the range of 169.254.0.0/16 when no DHCP server is available. APIPA does not apply to IPv6 addresses, and it is not related to the loopback address.
• Default gateway. The default gateway is the IP address of the router or device that connects a local network to other networks. The default gateway is usually the first or last usable IP address in a subnet, and it is not the same as the loopback address.
• Link local. Link local addresses are IPv6 addresses that are used for communication within a single network segment or link. Link local addresses have the prefix fe80::/10, and they are not routable or reachable from other networks. Link local addresses are not the same as the loopback address.

References1: Loopback Address - ::1/128 - ipUpTime.net2: Network+ (Plus) Certification | CompTIA IT Certifications3: Reserved IP addresses - Wikipedia