QUESTION: 5

Following a recent power outage, a server in the datacenter has been constantly going offline and losing its configuration. Users have been experiencing access issues while using the application on the server. The server technician notices the data and time are incorrect when the server is online. All other servers are working.
Which of the following would MOST likely cause this issue? (Choose two.)

The server has a faulty power supply
The server has a CMOS battery failure
The server requires OS updates
The server has a malfunctioning LED panel
The servers do not have NTP configured
The time synchronization service is disabled on the servers

Answer(s): B,F

Explanation:

The server has a CMOS battery failure and the time synchronization service is disabled on the servers. The CMOS battery is a small battery on the motherboard that powers the BIOS settings and keeps track of the date and time when the server is powered off. If the CMOS battery fails, the server will lose its configuration and display an incorrect date and time when it is powered on. This can cause access issues for users and applications that rely on accurate time stamps. The time synchronization service is a service that synchronizes the system clock with a reliable external time source, such as a network time protocol (NTP) server. If the time synchronization service is disabled on the servers, they will not be able to update their clocks automatically and may drift out of sync with each other and with the network. This can also cause access issues for users and applications that require consistent and accurate time across the network.

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QUESTION: 6

A company has implemented a requirement to encrypt all the hard drives on its servers as part of a data loss prevention strategy.
Which of the following should the company also perform as a data loss prevention method?

Encrypt all network traffic
Implement MFA on all the servers with encrypted data
Block the servers from using an encrypted USB
Implement port security on the switches

Answer(s): B

Explanation:

The company should also implement MFA on all the servers with encrypted data as a data loss prevention method. MFA stands for multi-factor authentication, which is a method of verifying a user's identity by requiring two or more pieces of evidence, such as something they know (e.g., a password), something they have (e.g., a token), or something they are (e.g., a fingerprint). MFA adds an extra layer of security to prevent unauthorized access to sensitive data, even if the user's password is compromised or stolen. Encrypting the hard drives on the servers protects the data from being read or copied if the drives are physically removed or stolen, but it does not prevent unauthorized access to the data if the user's credentials are valid.

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QUESTION: 7

A systems administrator is setting up a server on a LAN that uses an address space that follows the RFC 1918 standard.
Which of the following IP addresses should the administrator use to be in compliance with the standard?

11.251.196.241
171.245.198.241
172.16.19.241
193.168.145.241

Answer(s): C

Explanation:

The administrator should use 172.16.19.241 as an IP address to be in compliance with RFC 1918 standard. RFC 1918 defines three ranges of IP addresses that are reserved for private internets, meaning they are not globally routable on the public Internet and can be used within an enterprise without any risk of conflict or overlap with other networks. These ranges are:
10.0.0.0 - 10.255.255.255 (10/8 prefix) 172.16.0.0 - 172.31.255.255 (172.16/12 prefix) 192.168.0.0 - 192.168.255.255 (192.168/16 prefix)
Out of these ranges, only 172.16.19.241 falls within one of them (172.16/12 prefix). The other options are either public IP addresses that belong to other organizations or networks (11.251.196.241, 171.245.198.241) or invalid IP addresses that do not conform to any standard (193.168.145.241).

Reference:

https://whatis.techtarget.com/definition/RFC-1918

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QUESTION: 8

An administrator needs to perform bare-metal maintenance on a server in a remote datacenter.
Which of the following should the administrator use to access the server's console?

IP KVM
VNC
A crash cart
RDP
SSH

Answer(s): A

Explanation:

The administrator should use an IP KVM to access the server's console remotely for bare-metal maintenance. An IP KVM stands for Internet Protocol Keyboard Video Mouse, which is a device that allows remote control of a server's keyboard, video, and mouse over a network connection, such as LAN or Internet. An IP KVM enables an administrator to perform tasks such as BIOS configuration, boot sequence selection, operating system installation, etc., without being physically present at the server location.
The other options are not suitable for bare-metal maintenance because they require either physical access to the server (a crash cart) or an operating system running on the server (VNC, RDP, SSH). A crash cart is a mobile unit that contains a monitor, keyboard, mouse, and cables that can be plugged into a server for direct access to its console. VNC stands for Virtual Network Computing, which is a software that allows remote desktop sharing and control over a network connection using a graphical user interface (GUI). RDP stands for Remote Desktop Protocol, which is a protocol that allows remote desktop access and control over a network connection using a GUI or command-line interface (CLI). SSH stands for Secure Shell, which is a protocol that allows secure remote login and command execution over a network connection using a CLI.

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QUESTION: 5

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QUESTION: 6

Explanation:

QUESTION: 7

Explanation:

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QUESTION: 8

Explanation: