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Exam 13: Configuring Network Services

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Question 21

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

A) ​&server
B) ​!server
C) ​@server
D) ​$server

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Question 22

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​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.​

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Question 23

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

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

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

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

What FTP command runs a shell on the local computer?

​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 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 -​A DNS name resolution request whereby an IP address is resolved to a FQDN.

​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.

​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.

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

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

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

Describe the DNS lookup process.

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 protocol used to transfer files across networks such as the Internet.​

What two protocols below are used for mail retrieval?​

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?