Free CompTIA SK0-005 Practice Exam with Questions & Answers | Set: 7

Comprehensive Detailed Explanation with all CompTIA Server+ SK0-005 Study Guide References:The most likely cause of a speed mismatch (100Mbps instead of 1Gbps) is a defective or incompatible network cable. Gigabit Ethernet requires at least Cat5e or Cat6 cables; using older cables (e.g., Cat5) or damaged cables can limit speeds to 100Mbps.

Port securityandVLAN misconfigurationwould typically prevent communication entirely, not reduce speed.

Incorrect IP subnetdoes not affect link speed.Checking and replacing the network cable is a logical first troubleshooting step in this scenario.

Comprehensive Detailed Explanation with all CompTIA Server+ SK0-005 Study Guide References:Scripting is commonly used to automate repetitive step-by-step tasks in server management, such as:

Automating system configurations.

Running maintenance jobs like backups or log file cleanup.

Performing administrative tasks like provisioning new users or setting permissions.

This automation improves efficiency and reduces the likelihood of human error. Referencing the SK0-005 guide, scripting is a best practice for simplifying tasks that involve consistent, repeatable processes.

Different storage protocols operate at different levels (file-based vs. block-based):

iSCSI (Internet Small Computer Systems Interface) is a block-level protocol, meaning that the storage appears as raw disk space to the operating system. Backups would require copying entire blocks, rather than specific files.

FC (Fibre Channel) is another block-level protocol used in high-performance SANs. It does not support file-based storage natively.

FCoE (Fibre Channel over Ethernet) extends FC over Ethernet but still functions as a block-based storage solution.

NFS (Network File System) is a file-based storage protocol, making it the best option. It allows direct access to files, which enables backup software to back up only modified files instead of the entire block device.

Since the administrator requires a file-based storage protocol to ensure efficient incremental backups, NFS is the correct choice.

Comprehensive and Detailed Explanation:

Blade enclosures are designed to maximize server density by housing multiple blade servers within a single chassis. This design minimizes the physical footprint compared to traditional rack-mounted servers. Key benefits include:​

Space Efficiency: Multiple servers share power, cooling, and networking within a compact enclosure.​

Simplified Management: Centralized management of power, cooling, and networking simplifies administration.​

Scalability: Easily add or replace blade servers without significant reconfiguration.​

The subnet mask is most likely containing an error that prevents the application server from communicating with the newly installed database server. The subnet mask is a binary number that defines how many bits of an IP address are used for the network portion and how many bits are used for the host portion. The subnet mask determines which devices belong to the same network or subnet and can communicate directly with each other without routing or switching devices. The subnet mask of the database server is 255.255.O.O, which means that all 32 bits of its IP address are used for the network portion and none for the host portion, which is invalid and makes it unreachable by any other device on any network or subnet. The subnet mask of the application server is 255.O.O.O, which means that only 8 bits of its IP address are used for the network portion and 24 bits are used for the host portion, which is also uncommon and makes it incompatible with most networks or subnets. References: [CompTIA Server+ Certification Exam Objectives], Domain 4.0: Networking, Objective 4.1: Given a scenario, configure network settings for servers.

Network Installation: Allows the OS image to be deployed from a central server, streamlining deployment across multiple systems simultaneously. This is significantly faster than individual installations from other media. (CompTIA Server+ Objectives SK0-004: 3.1)

Why other options are less optimal:

Embedded: Refers to OSes pre-installed on hardware and not intended for mass deployment.

Optical (CDs/DVDs): Requires physical media insertion on each server, slower than network distribution.

USB Similar to optical, requires individual installations and can be time-consuming for multiple servers.

Comprehensive Detailed Explanation with all CompTIA Server+ SK0-005 Study Guide References:Firmware incompatibility is a common issue when upgrading hypervisors, especially on legacy hardware. Upgrading the firmware ensures that the hardware is compatible with the new hypervisor version. This includes updating BIOS, RAID controllers, and network adapters to the latest supported versions.

A. New installation:Risks data loss and is unnecessary if the issue is firmware-related.

C. Increasing RAM:May enhance performance but does not resolve compatibility issues.

D. Hardware upgrade:A last resort if firmware updates do not resolve the problem.

The IP address configuration that the technician should assign to the new server so the members of the accounting group can access the server is 172.16.25.90/24 for the IP address and 172.16.25.254 for the default gateway. This configuration matches the VLAN identified in the image, which has a network address of 172.16.25.0/24 and a subnet mask of 255.255.255.0. The IP address of the server must be within the same network range as the VLAN, which is from 172.16.25.1 to 172.16.25.254, excluding the network and broadcast addresses (172.16.25.0 and 172.16.25.255). The default gateway of the server must be the same as the VLAN, which is 172.16.25.254, to allow communication with other networks or devices outside the VLAN. References: [CompTIA Server+ Certification Exam Objectives], Domain 4.0: Networking, Objective 4.1: Given a scenario, configure network settings for servers.

Overprovisioningrefers to allocating more resources (e.g., CPU, memory) to virtual machines on a hypervisor than the physical host actually has available. This is done because not all virtual machines are likely to use their maximum resources simultaneously. Overprovisioning helps optimize resource utilization on a hypervisor but must be managed carefully to avoid performance degradation.

Overprovisioning (Answer B):It allows for more efficient use of resources, but overcommitting too much can lead to performance issues.

Direct access (Option A):Refers to direct hardware access, which is unrelated to resource allocation.

Link aggregation (Option C):Refers to combining multiple network connections, unrelated to hypervisor resources.

Component redundancy (Option D):Refers to using backup components for fault tolerance, not related to overprovisioning.

Scalability (Option E):Refers to the ability to increase or decrease resources as needed but doesn't describe overcommitting resources.

CompTIA Server+ Reference:This topic is covered underSK0-005 Objective 1.3: Explain virtualization concepts and benefits.

SSH (Secure Shell) is a protocol that would most likely be implemented to encrypt data in transit for remote administration. SSH provides secure communication between two devices over an unsecured network by using public-key cryptography and symmetric encryption. SSH can be used to remotely execute commands, transfer files, or tunnel other protocols. Telnet, TFTP, and rlogin are protocols that do not encrypt data in transit and are considered insecure for remote administration. References: [CompTIA Server+ Certification Exam Objectives], Domain 2.0: Networking, Objective 2.4: Given a scenario involving network security/access methods, implement an appropriate solution.