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| Section | Objectives |
|---|---|
| Security and Disaster Recovery | |
| Storage and Virtualization Concepts | |
| Troubleshooting | |
| Server Administration | |
| Server Hardware Installation and Management |
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NEW QUESTION # 65
A technician is unable to access a server's package repository internally or externally. Which of the following are the MOST likely reasons? (Choose two.)
Answer: B,D
Explanation:
The most likely reasons why the technician is unable to access a server's package repository internally or externally are that the external firewall is blocking access and that the default gateway is incorrect. A package repository is a source of software packages that can be installed or updated on a server using a package manager tool. A package repository can be accessed over a network using a URL or an IP address. However, if there are any network issues or misconfigurations, the access to the package repository can be blocked or failed. An external firewall is a device or software that controls the incoming and outgoing network traffic based on predefined rules or policies. An external firewall can block access to a package repository if it does not allow traffic on certain ports or protocols that are used by the package manager tool. A default gateway is a device or address that routes network traffic from one network to another network. A default gateway can be incorrect if it does not match the actual device or address that connects the server's network to other networks, such as the internet. An incorrect default gateway can prevent the server from reaching the package repository over other networks.
question63 Correct answer: A Explanation: The RAID level that provides the highest possible capacity for a storage array is RAID 0. RAID 0 is a type of RAID level that provides performance enhancement by using striping. Striping means dividing data into blocks and distributing them across multiple disks to increase speed and capacity. RAID 0 does not provide any fault tolerance or redundancy, as it does not use any parity or mirroring techniques. RAID 0 uses all of the available disk space for data storage, without losing any space for overhead. Therefore, RAID 0 provides the highest possible capacity for a storage array, but also has the highest risk of data loss.
NEW QUESTION # 66
Which of the following backup types only backs up files that have changed since the last full backup?
Answer: D
Explanation:
Understanding different backup types is crucial for effective data protection strategies.
Full Backup: Captures all data, regardless of previous backups.
Differential Backup: Backs up data that has changed since the last full backup.
Incremental Backup: Backs up data that has changed since the last backup, whether it was full or incremental.
Snapshot: Captures the state of a system at a specific point in time.
A Differential Backup starts with a full backup. Subsequent differential backups save copies of all files that have been modified since that full backup. This means each differential backup includes all changes made since the last full backup, leading to larger backup sizes over time but faster restoration, as only the last full backup and the latest differential backup are needed. In contrast, an Incremental Backup also begins with a full backup, but each subsequent backup only includes data that has changed since the most recent backup (whether full or incremental). This approach results in smaller backup sizes and quicker backup processes. However, restoration can be slower and more complex, as it requires the last full backup and all subsequent incremental backups to fully restore data.
NEW QUESTION # 67
A technician is configuring a server with eight available drive bays. The technician wants a combination of the most redundancy and the maximum available storage. Which of the following RAID levels should the technician use?
Answer: A
Explanation:
When selecting a RAID level, both redundancy and storage efficiency must be considered:
* RAID 1 mirrors data, providing high redundancy but reducing available storage to 50%. With eight drives, only four drives' worth of space would be available.
* RAID 5 uses striping with distributed parity. It provides good storage efficiency (n-1) but can only tolerate one drive failure.
* RAID 6 is similar to RAID 5 but uses dual parity, allowing two drives to fail while still maintaining data integrity. However, it reduces available storage to (n-2).
* RAID 10 (also known as RAID 1+0) combines mirroring and striping. It provides excellent redundancy and performance, allowing multiple drive failures as long as they aren't in the same mirrored pair.
Storage efficiency is 50%, but the redundancy and performance benefits outweigh this trade-off in high- availability environments.
Since the technician requires both maximum redundancy and high available storage, RAID 10 is the best choice.
Reference: CompTIA Server+ SK0-005 Official Textbook, Chapter 5 - Storage Solutions and RAID
NEW QUESTION # 68
A server administrator is setting up a new payroll application. Compliance regulations require that all financial systems logs be stored in a central location. Which of the following should the administrator configure to ensure this requirement is met?
Answer: A
Explanation:
Shipping is a process of sending logs from one system to another system for centralized storage and analysis.
Shipping can help ensure compliance with regulations that require financial systems logs to be stored in a central location. Shipping can also help improve security, performance, and scalability of log management.
References: https://www.comptia.org/training/resources/exam-objectives/comptia-server-sk0-005-exam- objectives (Objective 3.4)
NEW QUESTION # 69
An analyst is planning a new point-to-point Ethernet connection between a university campus and a newly acquired space downtown that is about 5mi (8km) away. The analyst would like the fastest possible connection speed. Which of the following would best meet the analyst's needs?
Answer: D
Explanation:
Explanation
A 1000BASE-LX 1Gb single-mode plenum fiber connection would best meet the analyst's needs for a new point-to-point Ethernet connection between a university campus and a newly acquired space downtown that is about 5mi (8km) away. A 1000BASE-LX is a type of Ethernet standard that supports data transmission at 1 gigabit per second over single-mode fiber cables using long wavelength lasers. A single-mode fiber cable is a type of optical fiber cable that has a small core diameter and allows only one mode of light to propagate through it. A single-mode fiber cable can transmit data over long distances at high speeds, but it requires more expensive transceivers and connectors than multimode fiber cables. A plenum fiber cable is a type of optical fiber cable that has a special coating that prevents the spread of fire or toxic fumes in case of burning. A plenum fiber cable is suitable for installation in plenum spaces, which are areas used for air circulation in buildings, such as above ceilings or below floors. References: [CompTIA Server+ Certification Exam Objectives], Domain 4.0: Networking, Objective 4.2: Given a scenario involving server networking issues (e.g., network interface card failure), troubleshoot using appropriate tools.
NEW QUESTION # 70
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