Live Virtual Machine Lab 3

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Why would an additional DNS server be implemented in a network?

To ensure high-availability of the DNS Server

Which of the following is a Class C Private IP address?

192.168.0.10

What is the Subnet Mask for a Classful Class A IP range?

255.0.0.0

What would the subnet mask be of the following network range?

255.255.255.240

What is the functionality of an MX record on a DNS server?

It points to the SMTP server for the domain

What is the functionality of a lease for a DHCP server?

It stipulates how long an IP address will be allocated to a host

Which of the following Stratum Levels is the least Trusted?

Level 15

What is the function of an A host record in DNS?

Points an IP address to a static device

What is the functionality of a DNS Server?

Resolving hostnames to IP addresses

What is the functionality of a Multicast IP address?

Sends network communication to a specific set of hosts

After installation of the DHCP server role, why is it necessary to restart the DHCP service?

To ensure the credentials that were stipulated is applied

Which Transport Layer protocol is used by NTP Servers to provide time synchronization?

UDP

Which of the following command can be used to refresh the DNS records on a host device?

ipconfig /registerdns

Which of the following command-line commands would display time sync information for an NTP client?

w32tm /query /peers

What is the maximum number of NTP Servers that an NTP client can be synchronized with?

1

Which of the following port is used by NTP Servers to provide time synchronization?

123

Which of the following is the Loopback address for IPv4?

127.0.0.1

When creating a scope on a DHCP server, what is the purpose of specifying an exclusion?

An exclusion is specified to ensure specific IP addresses are not automatically allocated to hosts

On which server will the DHCP server role normally be installed?

Domain Member Server

What is the purpose of implementing a DHCP server on a network? [Choose all that apply]

Dynamically allocate IP addresses to hosts on the network Automatically assign a DNS server address to a host


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