4.5.10 DNS
You need to enable hosts on your network to find the IP address of logical names, such as srv1.myserver.com. Which device should you use?
DNS server
You want to implement a protocol on your network that allows computers to find a host's IP address from a logical name. Which protocol should you implement?
DNS
Which of the following services automatically creates and deletes host records when an IP address lease is created or released?
Dynamic DNS
You are the network administrator for a small consulting firm. The firm has recently rolled out a new intranet site, and you are responsible for configuring the DNS. You are able to connect to the intranet site by using the IP address, but you cannot connect when you use the hostname. Which of the following do you need to configure so that the site can be accessed with the hostname?
Forward lookup zone
Which of the following is the first place a computer looks at during the name resolution process?
HOSTS file
Listed below are several DNS record types. Match each record type on the left with its function on the right.
Points a hostname to an IPv4 address A Provides alternate names to hosts that already have a host record CNAME Points an IP address to a hostname PTR Points a hostname to an IPv6 address AAAA Identifies servers that can be used to deliver mail MX
What is the process of a DNS server asking other DNS servers to perform name resolution known as?
Recursive lookup
If dynamic DNS is in use, which of the following events causes a dynamic update of the host records? (Select two.)
Renew the DHCP server's IP address lease. Enter the ipconfig /registerdns command on a workstation.
You are the network administrator for a consulting firm. A website that users on your network visit has a habit of frequently changing its IP address. When these IP mappings change, users are unable to connect until you clear the DNS cache. Which of the following settings should you configure so that the cache does not need to be manually cleared every time?
You are the network administrator for a consulting firm. A website that users on your network visit has a habit of frequently changing its IP address. When these IP mappings change, users are unable to connect until you clear the DNS cache. Which of the following settings should you configure so that the cache does not need to be manually cleared every time?
Which of the following is the top-level domain in www.testout.com.'s fully qualified domain name (FQDN)?
com
