Exam 13: Configuring Network Services

Describe the DNS lookup process.

In NTP, what stratum consists of atomic devices or GPS clocks?

How can you specify the intended DNS server to query with the dig command?​

​What two NTP daemons below are commonly used on Linux systems?

​Match each term with the correct statement below. a.​Berkeley Internet Name Domain (BIND) b.DHCPD daemon​ c.​DNS cache file d.File Transfer Protocol (FTP)​ e.​jitter f.NetBIOS​ g.​NIS client h.offset​ i.​reverse lookup j.zone transfer -​A DNS name resolution request whereby an IP address is resolved to a FQDN.

What FTP command runs a shell on the local computer?

When working with Sendmail, what command can be used to test SMTP support?

What zone configuration file contains a PTR record used to identify the loopback adapter?

​Match each term with the correct statement below. a.​Berkeley Internet Name Domain (BIND) b.DHCPD daemon​ c.​DNS cache file d.File Transfer Protocol (FTP)​ e.​jitter f.NetBIOS​ g.​NIS client h.offset​ i.​reverse lookup j.zone transfer -The most common protocol used to transfer files across networks such as the Internet.​

​Match each term with the correct statement below. a.​Berkeley Internet Name Domain (BIND) b.DHCPD daemon​ c.​DNS cache file d.File Transfer Protocol (FTP)​ e.​jitter f.NetBIOS​ g.​NIS client h.offset​ i.​reverse lookup j.zone transfer -​A file that contains the IP addresses of top-level DNS servers.

The Apache daemon listens for HTTP requests on what port by default?

What command can be used to view and modify the date and time within the BIOS?​

What directive below in Apache's httpd.conf file specifies that the index.html file in the document root directory will be sent to clients who request an HTML document?

In the PostgreSQL utility, the __________________ built-in command is used to list available databases.

Which command below can be used at a BASH command prompt to obtain a web page?

​Match each term with the correct statement below. a.​Berkeley Internet Name Domain (BIND) b.DHCPD daemon​ c.​DNS cache file d.File Transfer Protocol (FTP)​ e.​jitter f.NetBIOS​ g.​NIS client h.offset​ i.​reverse lookup j.zone transfer -​The most common Linux daemon used to provide IPv4 and IPv6 addresses to other computers on the network.

What two protocols below are used for mail retrieval?​

​Match each term with the correct statement below. a.​Berkeley Internet Name Domain (BIND) b.DHCPD daemon​ c.​DNS cache file d.File Transfer Protocol (FTP)​ e.​jitter f.NetBIOS​ g.​NIS client h.offset​ i.​reverse lookup j.zone transfer -The standard that all DNS servers and configuration files adhere to.​

To share information to Windows client computers, you can use the ____________________ daemon, which emulates the SMB protocol.

​Match each term with the correct statement below. a.​Berkeley Internet Name Domain (BIND) b.DHCPD daemon​ c.​DNS cache file d.File Transfer Protocol (FTP)​ e.​jitter f.NetBIOS​ g.​NIS client h.offset​ i.​reverse lookup j.zone transfer -​The difference between time measurements from several different NTP servers.