The network administrator would configure scope options to set NTP settings for a specific subnet within DHCP. Scope options are settings that apply to a range of IP addresses that are assigned by a DHCP server. Scope options can include parameters such as default gateway, DNS server, and NTP server. By configuring the NTP server option for a specific scope, the network administrator can ensure that the devices in that subnet synchronize their clocks with the same time source. Reference: CompTIA Network+ N10-008 Certification Study Guide, page 121; The Official CompTIA Network+ Student Guide (Exam N10-008), page 5-11.

Port mirroring is a feature that allows a switch to copy the traffic from one or more ports to another port for monitoring or analysis purposes. Port mirroring can help a network administrator to troubleshoot network problems, detect security threats, or optimize network performance. Port mirroring can be configured on most switches using the command-line interface (CLI) or a graphical user interface (GUI).
Reference:
CompTIA Network+ N10-008 Certification Exam Objectives, page 51
CompTIA Network+ N10-008 Cert Guide, Chapter 11: Switching Technologies Port Mirroring - CompTIA Network+ Certification (N10-008): The Total Course [Video]1 CompTIA Network+ N10-005: 2.1 - Port Mirroring - Professor Messer IT Certification Training Courses2 CompTIA Network+ N10-005: 1.4 - Port Mirroring3

DHCP is a protocol that dynamically assigns IP addresses to devices on a network. DHCP allows devices to obtain an IP address automatically without manual configuration. DHCP also simplifies network management by reducing IP conflicts and address exhaustion.
A DHCP setting is a configuration option that affects how DHCP operates on a network. DHCP settings can be applied at different levels, such as the server, the scope, or the client. DHCP settings can control various aspects of the IP address assignment process, such as the range, the duration, the options, and the exclusions.
A DHCP reservation is a DHCP setting that assigns a specific IP address to a specific device based on its MAC address. A DHCP reservation ensures that the device always receives the same IP address from the DHCP server, even if the lease expires or the device reboots. A DHCP reservation can be useful for devices that need a consistent IP address, such as servers, printers, cameras, or gaming consoles.
The other options are not DHCP settings that would ensure a device gets the same IP address each time it is connected to the network. Scope options are DHCP settings that apply to a group of devices within a defined range of IP addresses. Exclusion is a DHCP setting that prevents a range of IP addresses from being assigned to any device. Relay is a DHCP setting that allows a device to forward DHCP requests from one network segment to another. Pool is a DHCP setting that defines the available IP addresses that can be assigned to devices. Reference:
CompTIA Network+ N10-008 Study Guide, Chapter 3: Network Operations, Section 3.3: Network Configuration Management, Subsection: DHCP, pp. 144-146.
Professor Messer's CompTIA N10-008 Network+ Course Notes, Section 2.6: Network Addressing, Subsection: DHCP, p. 38.
Static IP vs DHCP Reservation, The Tech Journal, May 7, 2019.

A company's web server is hosted at a local ISP means that the company is using the ISP's infrastructure and services to run and manage its web server, rather than having its own physical server on its premises.
This is an example of a cloud provider, which is a type of service provider that offers cloud computing resources and services over the internet, such as servers, storage, databases, networking, software, analytics, etc.
A cloud provider can be classified into three main categories: Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). In this case, the company is using IaaS, which means that it is renting the ISP's hardware and network resources to host its web server, while maintaining control over the operating system, applications, and data.
The other options are not correct because:
Allocation is the process of assigning or distributing resources to users or applications, not a type of service provider.
An on-premises data center is a type of data center that is located and managed by the company itself, not by a third-party provider.
A branch office is a location of a company that is separate from its main office, not a type of service provider.
Reference:
CompTIA Network+ N10-008 Certification Study Guide, Chapter 1: Networking Fundamentals, Section 1.5: Cloud Computing1 Professor Messer's CompTIA N10-008 Network+ Course Notes, Page 9: Cloud Computing2 Professor Messer's CompTIA N10-008 Network+ Training Course, Video 1.5: Cloud Computing3

Fiber-optic cables are cables that use light signals to transmit data over long distances at high speeds. Fiber-optic cables are sensitive to dirt, dust, moisture, or other contaminants that can interfere with the light signals and cause link loss or signal degradation. To troubleshoot link loss issues with fiber-optic cables, one of the steps that should be completed next is to clean the fiber-optic cable ends with a lint-free cloth or a specialized cleaning tool. Cleaning the fiber-optic cable ends can remove any dirt or debris that may be blocking or reflecting the light signals and restore the link quality.