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Exam 15: Configuring Network Services and Security

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Question 1

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Large network daemons that are not started by the Internet Super Daemon and called ____ daemons.

A) self-sufficient
B) independent
C) autonomous
D) stand-alone

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Question 2

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What is NIS? What is a master and slave NIS server? Give examples of configuration files that NIS is commonly used to coordinate.

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Network Information Service (NIS)can be ...

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Question 3

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DNS uses ports ____.

A(n)____________________ number uniquely identifies a particular service.

The FTP Server network service is a stand-alone service.

The ____ option to the iptables command can be used to specify the default policy for a certain chain type.

The ____________________ is typically used to start and manage connections for smaller network daemons such as the telnet, rlogin, and FTP daemons.

The ____ network service allows computers on a network the ability to share one connection to the Internet.

By default, the smb.conf file shares all printers and home directories for recognized Windows users.

All DNS servers contain a DNS cache file.

If some users, such as software developers, need to run certain commands as the root user in certain situations, it is best to allow them to log on to the root user account via the su command.

The ____ httpd.conf directive specifies that the index.html file in the document root directory will be sent to clients who request an HTML document.

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.

What are the five main types of encryption supported by sshd?

The ____ option to the iptables command can be used to specify the destination address of packets for a rule.

What methods can be used to physically secure local computers?

Running background processes using the ____ command allows you to exit your command-line shell without ending any background processes.

To see what network services are running on your network, you can run the ____ command.

The ____ command can be used to switch your current user account to another.