Examine this output:
# df –t nfs
FilesystemSizeUsedAvailUse%Mounted on o16:export30G21G7.6G74%/mnt
# 1s -1 /mnt/nfs.sh
-rwxr-mr-x. 1 root root 22 May 8 16:37 /mnt/nfs.sh
# file /mnt/nfs.sh
/mnt/nfs.sh: Bourne-Again shell script text executables
# /mnt/nfs.sh
bash: /mnt/nfs.sh: Permission denied
What is the reason for the error?
Answer
The file system was exported on host o16 using the ROOT_SQUASH option.
The /export filesystem was mounted with the NOEXEC option on host o16.
The filesystem mounted on /mnt was mounted with the NOEXEC option.
The filesystem was exported on host o16 by using the NO_ROOT_SQUASH option.
Question 2
Question
Which two software packages are prerequisites for enabling the configuration and use of a Network information Service (Nis) client?
Answer
nis-tools
slapi-nis
ypbind
nisserv
nisbind
yp-tools
Question 3
Question
<-- You recently updated the strace package to the latest version as shown:
What is the outcome of running this command?
You have a single network adapter called eth0.
DEVICE = eth0
BOOTPROTO=DHCP
HWADR=BC:305B:C5:63;F1
NM_CONTROLLED=no
ONBOOT=YES
TYPE=Ethernet
PEERDNS=no
UUID=C9dba2e8-9faf-4b77-bbe2-92dd81dda1f9
Answer
DHCP is used to obtain a lease on an IP address.
The dhclient command may only be used to obtain a lease at boot time.
dhclient does not override the contents of /etc/resolv.conf.
DNS is not used to resolve host names for this adapter.
dhclient overrides the contents of /etc/resolv.conf.
Question 8
Question
Which four statements are true about the proc and sysfs filesystem?
Answer
The sysfs filesystem contains information about processes.
The proc filesystem contains information about CPUs
The proc filesystem contains information about memory.
The sysfs filesystem contains information about CPUs.
The sysfs filesystem contains information about memory.
The proc filesystem contains information about the installer parameters.
Question 9
Question
You want sendmail to deliver mail for these users:
John.smith@acme.comto mailbox jsmith1 John.smith@foo.comto mailbox jsmith2 John.smith@bar.comto mailbox jsmith3
In which sendmail configuration database can this requirement be defined?
Answer
/etc/aliases
/etc/mail/userdb
/etc/mail/virtusertable
/etc/mail/domaintable
/etc/mail/genericstable
Question 10
Question
What is the purpose of Setting AUTOINSTALL to YES /etc/uptrack.conf?
Answer
To install Ksplice kernel updates during the reboot of a system
To install updates to the Ksplice software Itself during a system reboot
To enable the uptrack cron job to install Ksplice kernel updates whenever they become available
To enable Ksplice to automatically install the kernel rpm whenever new Ksplice kernel updates become available
To enable Ksplice to install Ksplice kernel updates and new kernel RPMS whenever they become available