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[2017 Hottest] Discount RedHat EX300 Dumps RHCE Exam Video Questions And Answers Is Your Best Choice

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Exam Code: EX300
Exam Name: Red Hat Certified Engineer (RHCE)
Q&As: 36

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EX300 dumps

Pass4itsure Latest and Most Accurate RedHat EX300 Dumps Exam Q&As:

QUESTION 14
Configure cron as follow:
Clients tom should NOT have access to cron
EX300 exam Answer:
useradd tom
vim /etc/cron.deny
tom
Effective immediately save and exit.
QUESTION 15
Write a script / root / program, the requirements when the input parameter kernel
to the script, the script returns the user, the input parameters to the script user, the
script returns the kernel. While the script no parameters or parameter error, the
output from the standard error output usage: / root / the program kernel | user
Answer:
vim /root/program
#!/bin/bash
if [ “$1” == “kernel”];then
echo “user”
elif [“$1” == “user”];then
echo “kernel”
else
echo “usage:/root/program kernel|user”
fi
Test:
chmod a+x /root/program
.root/program kernel
./root/program user
./root/program lll
QUESTION 16
Please visit iscsi shared storage, storage server address is 172.24.30.100, ceded
1500M space, formatted with the ext3 file system, mount / mnt / data, and boot

automatically mount.
EX300 dumps Answer:
yum install ‐y iscsi*
chkconfig iscsid on
chkconfig iscsi on
iscsiadm ‐m discovery ‐t st ‐p 172.24.30.100:3260
iscsiadm ‐m node ‐T iqn.2011 ‐p 172.24.30.100 ‐|
service iscsi restart
fdisk ‐|
fdisk /dev/sda
partx ‐a /dev/sda
partx ‐a /dev/sda
mkfs.ext3 /dev/sad1
yum ‐y install tree
cd /var/lib/iscsi
tree .
view iqn
cd /mnt
mkdir data
blkid /dev/sda1
(View UUID, UUID mount)
vim /etc/fstab
UUID=XXX /mnt/data ext3 default, _netdev 0 0
mount ‐a
QUESTION 17
Configuring the NFS service that will /mnt /storage directory with read‐only shared to
the example.com domain user when the client as the root user will also have access
to the root directory permissions to read‐only shared to cracker.org domain users.
Answer:
# vim /etc/exports
/mnt/storage *.example.com(ro,sync,no_root_squash)
/mnt/storage *.cracker.org(ro,sync)
QUESTION 18
Example.com only allows access to the local SSH.
EX300 pdf Answer:
# vim /etc/hosts.allow
sshd: .example.com
# vim /etc/hosts.deny

sshd: ALL
QUESTION 19
Samba configuration requirements are as follows:
1. The Working Group called RHCE
2. Types of user authentication
3. Shared / mnt / storage directory share name for the share
4. The shared directory allows user1 and user2 user has write permissions to other
users are read‐only, if you need password are redhat
5. only allows the user to access the shared directory domain example.com
Answer:
# yum install ‐y samba
# vim /etc/samba/smb.conf
[global]
workgroup = RHCE
security = user
[share]
path = /mnt/storage
write list = user1 user2
hosts allow = .example.com
# ( echo redhat ; echo redhat ) | smbpasswd ‐s ‐a user1
# ( echo redhat ; echo redhat ) | smbpasswd ‐s ‐a user2
# service smb start; chkconfig smb on
QUESTION 20
Establish vsftp server, so that only allow user1 user access, and cannot jump out of
home directories only allow users to upload and download example domain,
allowing only example domains can be accessed.
EX300 vce Answer:
# yum ‐y install vsftpd
# vim /etc/vsftpd/vsftpd.conf
userlist_deny=NO
userlist_file=/etc/vsftpd/vsftpd.user_list
chroot_list_enable=YES
chroot_list_file= /etc/vsftpd/vsftpd.chroot_list
anon_upload_enable=YES
anonymous_enable=YES
# mkdir ‐p /var/ftp/incoming; chmod 777 /var/ftp/incoming
# chcon ‐t public_content_rw_t /var/ftp/incoming

# setsebool ‐P allow_ftpd_anon_write 1
# setsebool ‐P ftp_home_dir 1
# vim /etc/vsftpd/vsftpd.user_list
user1
# vim /etc/vsftpd/vsftpd.chroot_list
user1
# service vsftpd start; chkconfig vsftpd on
# vim /etc/hosts.deny
vsftpd: ALL EXCEPT .example.com
QUESTION 21
Create new mail server, the following:
1. Allow localhost and remote hosts can access
2. Allow example.com users can relay to refuse remote test
3. All mail sent to the user3 will be sent to user2
4. Confirm / var/spool/mail/user1 exist
5. Example.com domain only allows the user to receive mail via pop3
Answer:
# yum install postfix ‐y
# alternatives ‐‐set mta
(Choose postfix)
# service sendmail stop; chkconfig sendmail off
# cd /etc/postfix
# vim main.cf
myhostname = stationX.example.com
mynetworks_style = subnet
mydestination = $ myhostname
myorigin = $ myhostname
relay_domains = example.com, $mydestination
inet_interfaces = all
smtpd_client_restrictions =
check_client_access hash:/etc/postfix/access,
check_sender_access hash:/etc/postfix/access,
check_recipient_access hash:/etc/postfix/access,
permit_auth_destination,
permit_mynetworks,
# vim /etc/postfix/access
remote.test REJECT
# vim /etc/aliases
user3: user2
# postalias /etc/aliases
# postmap hash:/etc/postfix/access

# touch /var/spool/mail/user1 (Generally exist by default)
# chown user1:mail /var/spool/mail/user1
# chcon ‐‐reference=/var/spool/mail/root /var/spool/mail/user1
# chmod 660 /var/spool/mail/user1
#
Reject remote.test domains can use iptables.
# iptables ‐A INPUT ‐p tcp ‐‐dport 25 ‐s remote.test(Written IP network segment) ‐j
REJECT
# service postfix start; chkconfig postfix on
# yum install dovecot
# vim /etc/dovecot.conf
protocols = pop3
# service dovecot start; chkconfig dovecot on
# iptables ‐A INPUT ‐p tcp ‐‐dport 110 ‐s 192.168.0.0/24 ‐j
ACCEPT
# iptables ‐A INPUT ‐p tcp ‐‐dport 110 ‐j REJECT
# service iptables save; chkconfig iptables on

Lab 1
Configure Selinux it should be in enforcing mode.
EX300 dumps

Lab 2
Turn on your kernel to forward packets function.
EX300 dumps

Lab 3
The existing two network segments, example.com for 172.16.0.0/16, crake.com for 172.25.0.0/16,
hereby request that the example.com network segment to access the machine cannot access,
crake.com EX300 exam segment.

EX300 dumps

Lab 4
Configure the ftp server, anonymous users can upload and download, reject the 172.25.0.0/26
network segment.

EX300 dumps

EX300 dumps

Lab 5
Configure the SMTP mail server, you can normally receive mail for example.com domain name,
host‐based machine supports mail aliases function, that is sent to the admin e‐mail sent to
natasha.

EX300 dumps

Question No : 19  After identifying some accidental damage and pointing it out to the customer, the customer says “Apple’s warranty should cover this kind of problem.” How should you respond?
A. Apple will only cover the internal damage, not the cosmetic damage, so the charge will be less.
B. You’re right, Apple’s warranty does cover this kind of accidental damage, so the repair will be free.
C. Apple’s warranty does not cover this, but the AppleCare Protection Plan might, but only if you buy it now.
D. Apple’s warranty specifically calls out accidental damage as an instance where system failures are not covered.
EX300 dumps Answer: D
Explanation:
Warranty should cover this kind of problem. Many customers believe that a warranty means complete no-fault coverage. In fact, Apple’s warranty oncomputer products specifically calls out the following instances where the  warranty will not cover computerfailures:
Accident
Misuse
Flood
Fire
Earthquake
Other external causes
These exclusions are normal for computer products.

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