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QUESTION 16
Which three steps are involved in the installing Ksplice on servers that will be updated?
A. You have to be logged as user “ksplice” on the server you want to prepare and install Oracle Ksplice on.
B. The Uptrack package needs access directly or through a proxy to the Oracle public yum repository (http://public-yum.oracle.com/) to download the required packages for the uptrack-* utilities to be able to work correctly.
C. Download the install-uptrack script using the “wget -N http://www.ksplice.com/uptrack/install-uptrack” command.
D. You have to be logged in as user “root” on the server you want to prepare and install Oracle ksplice on.
E. The uptrack package will set up a yum repository (/etc/yum.repos.d/ksplice-uptrack.repo) and download the required package for the uptrack-* utilities to be able to work correctly.
F. Download the ksplice ISO image from https://edelivery.oracle.com/linux and then run the “sh install-uptrack” script from the ISO image.
Answer: CDE
QUESTION 17
You have to mount the Oracle Linux ISO image file OracleLinux-R6-U2-Server-X86_64-dvd.iso to the /media/cdrom mount point. Which command will help you mount the Oracle Linux ISO image file?
A. # mount OracleLinux-R6-U2-Server-X86_64-dvd.iso /media/cdrom
B. # mount -t DVD OracleLinux-R6-U2-Server-X86_64-DVD.iso /media/cdrom
C. # mount /dvd/OracleLinux-R6-U2-Server-X86_64-dvd.iso /media/cdrom/OracleLinux-R6-U1-Server-X86_64-dvd.iso
D. # mount -o loop OracleLinux-R6-U2-Server-X86_64-dvd.iso /media/cdrom
Answer: D
Explanation:
Mount the DVD iso of the desired update of Oracle Linux Release 5.
– Use the following command for mounting the DVD media inserted in /dev/cdrom:
# mount -r -o loop -t iso9660 /dev/cdrom /mnt
– Use following command to mount iso image file:
# mount -o loop <iso image file name> /mnt
QUESTION 18
Which option determines whether a system users NIS, local files, DNS, or a combination asthe source of information, and also order of the source?
A. /etc/resolv.conf
B. /etc/idap.conf
C. /etc/nsswitch.conf
D. /etc/yp.conf
Answer: C
Explanation:
The Name Service Switch (NSS) configuration file, /etc/nsswitch.conf, is used by the GNU C Library to determine the sources from which to obtain name-service information in a range of categories, and in what order. Each category of information is identified by a database name. The file is plain ASCII text, with columns separated by spaces or tab characters. The first column specifies the database name. The remaining columns describe the order of sources to query and a limited set of actions that can be performed by lookup result.
Incorrect:
Not A: in most Unix-like operating systems and others that implement the BIND Domain Name System (DNS) resolver library, the resolv.conf configuration file contains information that is read by the resolver routines the first time they are invoked by a process. The file is designed to be human readable and contains a list of keywords with values that provide various types of resolver information.
Not D: /etc/yp.conf – NIS binding configuration file.
QUESTION 19
What are the two benefits of configuring network interface bonding?
A. aggregating two or more Network Interfaces (NICs) to act as one logical interface
B. creating a static address that is bound to one NIC
C. providing either failover or load-balancing to two or more Network Interfaces (NICs)
D. binding a network interface to the embedded firewall (IPTables) for port filtering
Answer: AC
Explanation:
Network bonding refers to the combination of network interfaces on one host for redundancy and/or increased throughput.
QUESTION 20
Identify the option with two files that are found in the /etc/sysconfig directory.
A. /etc/sysconfig/autofs and /etc/sysconfig/authconfig
B. /etc/sysconfig/ifcfg-eth0 and /etc/sysconfig/atd
C. /etc/sysconfig/resolv.conf and /etc/sysconfig/network
D. /etc/sysconfig/resolv.conf and /etc/sysconfig/grub.conf
Answer: A
Explanation:
– The /etc/sysconfig/autofs file defines custom options for the automatic mounting of devices.
– The /etc/sysconfig/authconfig file sets the kind of authorization to be used on the host.
– The /etc/sysconfig/network used to configure networking options.
Incorrect:
Not C, Not D: the program that resolves hostnames to IP addresses reads a file called resolv.conf. This file is located in /etc/resolv.conf directory.
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