Live Virtual Machine Lab 3
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