Ensurepass

QUESTION 21

On a default install of a Linux server, regardless of the distribution version, what are the easiest methods to disable telnet, but not uninstall or remove the service? Choose two.

A. Comment telnet out of the /etc/inetd.conf file

B. Delete the /etc/rc.d/init.d/telnet file

C. Rename all SXXtelnet links in the /etc/rc or /etc/rc.d directories

D. Run “chmod 554 /etc/xinetd.d/telnet”

E. Nothing, it’s not enabled by default

Answer: A,E


QUESTION
22

Which daemon or service can be configured as a non-root user?

A. cron

B. ntp

C. lpr

D. nmbd

E. slocate

Answer: A


QUESTION
23

Which of the following options will speed up traceroute for distant network queries?

A. -n

B. -p

C. -0

D. -t

E. -q

Answer: A


QUESTION
24

What command could you use to confirm function of a ppp connection before establishing it?

A. minicom

B. hyperterminal

C. setserial

D. modemset

E. None of the choices

Answer: A


QUESTION
25

What file on a system contains a list of hosts that can’t connect to the machine’s services?

A. /etc/hosts/denial

B. /etc/hosts.deny

C. /etc/host.notallow

D. /etc/inetd.conf

E. /etc/hosts.not

Answer: B


QUESTION
26

Which of the following IP address ranges are considered private, according to RFC 1918?

Choose all that apply.

A. 10.0.0.0 – 10.255.255.255

B. 192.168.0.0 – 192.168.255.255

C. 172.16.0.0 – 172.31.255.255

D. 191.168.16.0 – 192.168.31.255

E. 172.16.0.0 – 172.16.255.255

Answer: A, B, C


QUESTION
27

Which protocol is used for the majority of the ping command’s actions?

A. ICMP

B. UDP

C. TCP

D. NDP

E. NCP

Answer: A


QUESTION
28

What modprobe option will cause inactive kernel modules to be unloaded?

A. autoclean

B. inactive

C. remove

D. timeout

E. holdoff

Answer: A


QUESTION
29

Select all of the protocols that are supported by the Linux implementation of ppp.

A. chap

B. mschap

C. pap

D. spap

E. eap

Answer: A,B,C


QUESTION
30

What command with options will cause the redirection symbol (>) to fail to overwrite the contents of an existing file?

A. set -o noclobber

B. set +o nooverwrite

C. export OVERWRITE=no

D. alias >=’!>’

E. None of the choices

Answer: A

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