CPT260Test2

Question 1

This daemon acts as as a mediator of connection request for a series of services. It accepts the connection request then starts the service.

Answer 1

xinetd

Question 2

If the connection between the server and the client is terminated, the server process started by xinetd is removed from memory thus saving resources.

Answer 2

True

Question 3

Some of the services run traditionally by xinetd include Telnet and FTP

Answer 3

True

Question 4

In the past the default super daemon on SUSE Linux was inetd not xinetd

Answer 4

true

Question 5

Servuces can either run standalone, that means they listen on a port themselves or they can be run via the “super daemon” xinetd.

Answer 5

True

Question 6

The configuration of xinetd is distributed acorss serval files. Which of the following files/directories are included in the configuration files.

Answer 6

/etc/xinetd.conf

/etc/xinetd.d

Question 7

Which is NOT a default option in the xinetd configuration file?

Answer 7

documentRoot = /etc/xinetd

Question 8

What keyword description can be set to stream, dgram, raw, or seqpacket?

Answer 8

socket_type

Question 9

This xinetd daemon parameter defines which host can use which service.

Answer 9

only_from

Question 10

For the Telnet service: which of the following TWO parameters can be used for the flags key.

Answer 10

IDONLY

INTERCEPT

Question 11

Logging through xinetd is controlled by which of the following keys.

Answer 11

log_type
log_on_success
log_on_failure

Question 12

Which keyword could have the parameter set to tcp or udp?

Answer 12

protocol

Question 13

Generally, users logging in to FTP use anonymous or ftp as their user name and their ________ as the password.

Answer 13

email

Question 14

The FTP protocol uses two TCP connections between the client and the server, one connection is for commands and the other is for ______.

Answer 14

data

Question 15

Which of the following are the two different types of mode for data transfer in FTP

Answer 15

Active data transfer

Passive data transfer

Question 16

When the Active data transfer type is used in FTP what port does the server offer for the data channel?

Answer 16

port 20

Question 17

The following are all advantages of PureFTP server EXCEPT

Answer 17

port 99 is used for data transfer

Question 18

To start PureFTPd enter:

Answer 18

/etc/init.d/pure-ftpd start

Question 19

Which of the following are methods of running PureFTPd? (select 3)

Answer 19

From the command line
From a start script
From xinetd

Question 20

In the passive data transfer mode the server tells the client which port to use for the data channel connection?

Answer 20

True

Question 21

A Virtual FTP server only handles anonymous FTP users and not authorized users (users in /etc/passwd)

Answer 21

True

Question 22

The command:

pure-pw useradd joe -u ftpusers -d /home/ftpusers/joe

would add the user joe to the /etc/passwd file

Answer 22

False

Question 23

This clock runs independently of any control program running in the CPU. It runs when you turn the server off

Answer 23

Hardware clock

Question 24

For a Linux server connected to the Internet (or equipped with a precision clock), the best way to regulate the system clock is using _______.

Answer 24

ntpd

Question 25

Which command would set the hardware clock time to the current system time?

Answer 25

hwclock -w

Question 26

To synchronize the system time of a server to a specific external time source such as pool.ntp.org use the command __________

Answer 26

netdate pool.ntp.org

Question 27

The hwclock tool can be be used to (select all that apply).

Answer 27

display current time Set the hardware clock to the system time Set the hardware clock to a specific time

Question 28

The disadvantage of using netdate is that the hwclock command cannot be used while the system is booted

Answer 28

False

Question 29

NTP is an industry standard protocol that uses UDP on port ____ to communicate between time servers and time clients.

Answer 29

123

Question 30

A time client can also, in turn, act as a time server for other servers and client workstations on the network

Answer 30

true

Question 31

NTP not only corrects the time, but it keeps track of consistent time variations and automatically adjust for system time drift on the client.

Answer 31

true

Question 32

_____ is designed for sharing files and directories over a network. It requires configuration of an NFS server and NFS clients

Answer 32

nfs

Question 33

The NFS server stores all configuration settings in the ___________ file.

Answer 33

/etc/exports

Question 34

The following are all advantages of using Java for web applications EXCEPT

Answer 34

Java is a proprietary product of Microsoft

Question 35

____ _____ are actual web applications that are developed according to the Java servlet specifications.

Answer 35

Java servlets

Question 36

________ is an extension to the Java servlet specification, which allows developers to separate HTML and application code.

Answer 36

JSP (Java Server Pages)

Question 37

Web applications that are developed in Java are usually distributed in _____ files located in the /usr/share/tomcat/webApps directory.

Answer 37

WAR (web archive)

Question 38

When an html file containing php code is requested. The webserver opens the file but instead of sending the php code directly bck to the browser it is passed through the PHP ________ first.

Answer 38

interpreter

Question 39

To run an Java servlet you need a servlet container such as ____________.

Answer 39

Tomcat

Question 40

The FTP client offers the FTP server an unprivileged TCP port for the data channel connection. The server initializes the data channel from its port 20 to the port offered by the client. there is a pic of client "use port 12345" to server on port 21. The server responds on port 20.

Answer 40

Active Data Transfer

Question 41

Which of the following directories is NOT a good candidate for exporting with Network File System?

Answer 41

/etc

Question 42

Disallows the downloading of files which are owned by "ftp", (files that were uploaded but not validated by a local admin

Answer 42

AntiWarez Yes