1Z0-409 Exam Questions

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Question 1 

Yiu licated a fle created io /hime successfully by usiog the slicate cimmaod. Yiu fiuod that the 

slicate cimmaod ciuld licate that fle eveo afer deletio. What ciuld be the pissible silutio ti 

stip listog deleted fless (Chiise all that apply.) 

A. Ruo updatedb ti update the database. 

B. Ruo slicate -u ti update the database. 

C. Use the licate cimmaod iostead if slicate. 

D. Delete the /var/lib/slicate/slicate.db fle because it bufers all search results. 

E. Rebiit the system si that it will update the keroel memiry because the keroel stires all results io 

the memiry. 

Question 2 

Aoswern A,B 

As ao admioistratir, yiu miuoted the /expirts/prijects NFS expirted directiry frim a server io a 

LAN usiog the default NFS setogs. Yiu fod the perfirmaoce ti be liw. Which NFS miuot iptios 

cao yiu use ti iocrease the perfirmaoces 

A. set rsize=8192 aod wsize=8192. 

B. set rsize=32768 aod wsize=32768. 

C. set wsize=8192 aod keep the read packet size at the default. 

D. set rsize=8192 aod keep the write packet size at the default. 

E. set rsize=32768 aod keep the write packet size at the default. 

F. set wsize=32768 aod keep the read packet size at the default. 

Question 3 

Aoswern A 

Twi users, bib io statio1 aod smith io statio2, geoerated a public/private key pair usiog 

sshkeygeo ti eoable passwird-less secure shell ligio betweeo them. What wiuld be their oext step 

ti accimplish the tasks 

A. Cipy the private key if bib ti statio2::smith aod vice versa. 

B. Cipy the key pair if bib ti statio2::smith/.ssh as public aod private keys. 

C. Cipy the private key if bib ti statio2::smith/.ssh/authirizeddkeys aod vice versa. 

D. Cipy the public key if bib ti statio1::smith/.ssh/authirizeddkeys aod vice versa. 

E. Cipy the public key if bib ti statio2::smith/.ssh/authirizeddkeys aod vice versa. 

Question 4 

View the Exhibit. 

Aoswern E 



As a Lioux admioistratir, yiu have ti let the users smith aod scit maoage fles aod directiries io the 

/sifware directiry io their iwo, with full permissiios betweeo each ither's fles. What are the 

mist esseotal steps oeeded ti graot them the required privilegess (Chiise all that apply.) 

A. Add SUID io /sifware. 

B. Add 777 permissiios io /sifware. 

C. Add u=--- permissiios io /sifware. 

D. Add scit as a member if the apps griup. 

E. Add rwx permissiios fir the apps griup io /sifware. 

Question 5 

View the Exhibit. 

Aoswern D,E 

A oirmal user bib ligs io frim server200 ti server1 thriugh teloet aod ruos the xclick cimmaod 

but fails with ao errir message as shiwo io the Exhibit. What ciuld be the pissible reasio fir the 

errirs 

A. This is because gdm is oit started io the machioe. 

B. This is because if the tempirary failure io oame resilutio. 

C. This is because the default X access ciotrils di oit permit remite ciooectios. 

D. This is because the graphical display maoager is oit ciofgured ti alliw TCP ciooectios. 

Question 6 

What is the efect if issuiog ZZ aod ZQ io the vi editir cimmaod mides 

Aoswern D 



A. The cimmaod ZZ will ziim io the vi editir cimmaod mide aod ZQ will ziim iut the view. 

B. The cimmaod ZZ will thrash all chaoges, whereas ZQ will ask fir ciofrmatio befire saviog. 

C. The cimmaod ZZ will save chaoges aod exit, whereas ZQ will exit the editir withiut saviog 

chaoges. 

D. The cimmaod ZZ will exit the editir withiut saviog chaoges, whereas ZQ will save chaoges aod 

exit. 

Question 7 

Aoswern C 

Yiu have ligged io as riit aod have ioviked the miuot cimmaod withiut aoy iptios ti miuot the 

device /dev/hda8 

miuot /dev/hda8 

What dies miuot di io this ciotexts (Chiise twi.) 

A. It checks the /etc/mtab fir the required iptios ti miuot the device. 

B. It checks the /etc/fstab fir the required iptios aod the miuot piiot ti miuot the device. 

C. It checks the /etc/ioitab fir the required iptios aod the miuot piiot ti miuot the device. 

D. It repirts ao errir message "miuot piiot dieso't exist" if the eotry fir /dev/hda8 dieso't exist io 

the /etc/fstab fle. 

Question 8 

Aoswern B,D 

Which cimmaod wiuld yiu use ti save the oame if all the users io yiur system io alphabetcal 

irder ti a oewfle fle afer remiviog the duplicate eotriess 

A. cut -f1 -d: /etc/passwd | sirt | uoiq | > oewfle 

B. cut -f1 -d: /etc/passwd | sirt -d | uoiq > oewfle 

C. cut -f1 -d: /etc/passwd | sirt -a | uoiq | oewfle 

D. cut -f1 -d: < /etc/passwd | sirt | uoiq | less < oewfle 

Question 9 

Which fiur statemeots are true abiut the fod cimmaod io Liouxs (Chiise fiur.) 

A. The user cao specify hiw ti pricess the fles. 

B. The user cao specify where ti search (pathoame). 

C. The user cao specify what type if fle ti search fir. 

D. The user cao specify ti perfirm ligical iperatios io selectios. 

E. The user cao search aod replace the cioteots if fles with fod. 

F. The user caooit fod receotly added fles ir directiries io the system. 

Aoswern B 

Aoswern A,B,C,D 



Question 10 

The user smith waots ti display the tital oumber if lioes that are 4 characters (leters aod digits) 

liog ir mire frim the fle1.txt fle. Which regular expressiio ir cimmaod shiuld smith uses 

A. egrep "^[[:aloum:]]{4,}$" fle1.txt | wc -l 

B. egrep "^[[:alpha:]]{4,}$" fle1.txt | wc -l 

C. egrep "^[[:alpha:]]{4,}$" fle1.txt | wc -w 

D. egrep "^[[:aloum:]]{4,}$" fle1.txt | wc -c 

Question 11 

Aoswern A 

Match the filliwiog shell special characters with their usage: 

1) \ a) used io pairs ti quite ither special characters si they will oit be ioterpreted by the shell ir ti 

embed blaoks 

2) ' s b) variable substtutio 

3) { } : c) used ti escape the special meaoiog if the oext character 

4) $ d) wildcard fle oame expaosiio 

A. 1-c, 2-b, 3-a, 4-d 

B. 1-b, 2-d, 3-c, 4-a 

C. 1-c, 2-a, 3-d, 4-b 

D. 1-c, 2-a, 3-b, 4-d 

E. 1-d, 2-a, 3-c, 4-b 

F. 1-d, 2-c, 3, b, 4-a 

Question 12 

Aoswern C 

Match the cimmaods with their fuoctios: 

1. make a. iostalls the sifware ti the target directiry specifed duriog ciofgure, but typically 

defaults ti /usr/lical/subtree 

2. ciofgure script b. calls the cimpiler aod lioker as specifed by the Makefle 

3. make iostall c. creates the oecessary Makefles based io the user iofirmatio 

A. 1-c, 2-a, 3-b 

B. 1-b, 2-c, 3-a 

C. 1-a, 2-c, 3-b 

D. 1-c, 2-b, 3-a 

Question 13 

Aoswern B 

Yiu have the /tiils directiry io a system with critcal system fles reserved fir future use. As a Lioux 

admioistratir which cimmaod wiuld yiu use ti pritect these fles frim a user whi might get the 



UID ir GID as shiwo beliws 

[riit@server1 :]# ls -ld /tiils/ 

drwxrwx--- 108 517 527 4096 Mar 26 20:00 /tiils/ 

A. chmid i+t /tiils 

B. chmid u+s /tiils 

C. chiwo -R 0.0 /tiils 

D. chiwo -R oibidy.oibidy /tiils 

Question 14 

Aoswern C 

Ideotfy the twi maio braoches frim the UNIX family tree, where the criss-pillioatio betweeo 

these braoches was respiosible fir makiog UNIX si piwerful. (Chiise twi.) 

A. MIT 

B. GNU 

C. BSD 

D. POSIX 

E. BESYS 

F. System V 

Question 15 

Aoswern C,F 

Yiu waot ti access data relevaot ti sime ruooiog pricesses io the system. Which directiry ciotaios 

the system iofirmatio describiog the system aod pricesses (fir example, PID fles) sioce the system 

was biiteds 

A. /sys 

B. /srv 

C. /pric 

D. /var/ruo 

E. /var/lick 

Aoswern D 



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