Linux+ Chapter 13

The ____ ftp utility command runs a shell on the local computer

!

The ____ zone configuration file contains a PTR record used to identify the loopback adapter.

/var/named/named.local

In NTP, stratum ____ consists of atomic devices or GPS clocks.

0

____ servers resolve fully qualified domain names to IP addresses for a certain namespace on the Internet.

DNS

A server that contains the IP addresses of DNS servers that hold top-level DNS zones.

DNS cache file

The ____ SQL statement is used to delete a database.

DROP DATABASE

A line within the httpd.conf configuration file.

Directive

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.

DirectoryIndex index.html

A directory that contains the default Web site that is used on a server.

Document root

T/F - During the DNS lookup process, if the ISP DNS server has recently resolved the FQDN and placed the result in its local DNS cache, you receive the response immediately (called a recursive query).

False

T/F - In NFS, one computer shares a certain directory in the directory tree by placing the name of that directory in the /etc/imports file.

False

T/F - In the DHCP lease process, halfway through the time period specified by its lease the DHCP client will send a DHCPDISCOVER packet to its DHCP server to renew its IP configuration.

False

T/F - The Sendmail daemon on Fedora 13 is configured by default to accept e-mail on TCP port 100 and route it to the appropriate user on the Linux system.

False

T/F - When connecting to the vsftpd daemon using an FTP client utility as the user "anonymous", you will be placed in the root user's home directory.

False

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

Forward lookup

When working with Sendmail, you can use the ____ command to test SMTP support.

HELO

Databases store information in the form of ____, each of which contains ____.

Tables; records

T/F - All DNS servers contain a DNS cache file.

True

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

True

T/F - Each computer that participates in NIS belongs to an NIS domain and uses a(n) NIS map for accessing certain information rather than using the local configuration file.

True

T/F - The Very Secure FTP daemon is a stand-alone daemon.

True

T/F - The use of NFS is less common than the use of FTP to transfer files on public networks.

True

NTP uses port ____.

UDP 123

A portion of the Domain Name Space that is administered by one or more DNS servers.

Zone

The ____ command can be used in the BASH prompt to obtain a Web page from the Apache server.

curl

The ____ ftp utility command uploads the filename from the current directory on the local computer to the current directory on the remote computer, and allows the use of wildcard metacharacters to specify the filename.

mput filename

When working with Sendmail, if you modify the /etc/aliases file, you need to run the ____ command to rebuild the aliases database.

newaliases

The ____ PostgreSQL command-line utility backs up PostgreSQL database settings.

pg_dump

Client computers can retrieve e-mail from e-mail servers via ____ or ____.

POP; IMAP

A programming language used to store and access data in databases.

SQL

Apache daemon listens for HTTP requests on port ____.

TCP 80

NetBIOS names can be up to ____ characters long.

15

A protocol that allows computers to share files transparently.

Network File System (NFS)

A DNS resolution request that was resolved with the use of top-level DNS servers.

Recursive query

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

Reverse lookup