Which two conditions should be met in order to successfully configure an openssh client on Oracle Linux?
A. The openssh-server package must not be installed.
B. The openssh package must be installed.
C. The sshd daemon must not be started.
D. The openssh-client package must be installed.
E. The ssh-agent must be started.
F. ssh keys must be generated by any user using the ssh client.
You use the host command to find out about host name WAYOUT:
Which two statements are true?
A. Example.com is an authoritative name server.
B. Dns1.example.com is an authoritative name server.
C. Dns2.example.com is a Cache-only name server.
D. Dns2.example.com is an authoritative name sever.
E. Dns1.example.com is a cache-only name server.
Which two actions should be completed when the firstboot utility runs under runlevel 5 in Oracle Linux?
A. Agreeing to the license agreement
B. Registering for software updated
C. Creating a nonadministrative user
D. setting the current date and time to be synchronized with an NTP server
E. Configuring the dtrace facility
Examine the channel specification in the /etc/yum.repos.d/public-yum-016.repo file:
# head -6 /etc/yum.repos.d/public-yum-016.repo [016_latest] Name=Oracle Linux $releasever Latest ($basearch) Baseurl=http://public-yum.oracle.com/repo/oracleLinux/OL6/latest/$basearch/ Gpgkey=http://public-yum.oracle.com/RPM-CPG-KEY-oracle-o16 Gpgcheck=1 Enabled=0
What is the effect of the enabled=0 setting?
A. This channel is disabled and cannot be used by YUM at all.
B. This channel will not be used by YUM when searching for packages.
C. By default, YUM will not use this channel but this can be overridden on the command line.
D. This channel will not be used by YUM when it searches for packages, but YUM will check if updates exist for packages already installed from this channel.
Which three statements are true about the bash shell script's capabilities and features?
A. The s* shell variable holds the exit status of the last command executed in the foreground.
B. The | | operator ensures that a command is run only if the command preceding the | | operator fails.
C. If test "SMYVAR" = prod and if ["SMYVAR" *= prod ] are equivalent ways to test the value of the MYVAR variable in a shell script.
D. If the first line of the script begins with #!/bin/sh, then the sh shell program is unable to interpret the script.
E. The bash shell supports more than 10 command-line arguments.
F. The andand operator ensures that a command is run regardless of the outcome of the command that preceded the andand operator.
Which two statements are true about signal handling in Oracle Linux?
A. The pkill command kills a process by name.
B. A process killed with the default signal always terminates gracefully if it: does not block the kill request.
C. The kill command sends a sigkill (signal 9) by default to the process being killed.
D. The kill command may send a termination signal to more than one process at a time.
E. All signals may be blocked by a process.
Which three Statements describe the capabilities and functions of the chkconfig command in Oracle Linux?
A. It can be used to change the state of a service.
B. It can be used to specify the run levels for which a service is to be activated.
C. It can be used to list all services and their run levels-
D. It can be used to check the status of a service to see if it is running.
E. It can be used to add a service.
A web server on HOST01 is listening on port 80.
Examine the IPTABLES rule shown: [root@host01 ~] # iptables –L INPUT
Chain INPUT (policy ACCEPT)
target port opt source destination ACCEPT tcp - -anywhere anywhere tcp dpt:http
Another rule is then added:
[root@host01 ~] # iptables –A INPUT –P tcp - - dport 80 –j REJECT
What is the effect of this command on subsequent attempts to access the web server on HOST01 using port 80?
A. New connection attempts timeout.
B. New connection attempts are refused and the client informed of the refusal.
C. New connection attempts always succeed.
D. New connection attempts succeed until a reload of the firewall rules.
Which three actions may be performed using the date command in Oracle Linux?
A. Setting the hardware clock from the current system time
B. Setting the system time from the hardware clock
C. Displaying the current time in an administrator-specified format
D. Displaying the time and date in the future
E. Displaying the time and date in the past
F. Synchronizing the system time from an ntp server
Match the following symbolic notations of the file permissions with their numeric values: 1) - - - S - - - - - - a) 5000 2) - - - - - - S - - - b) 4100 3) - - - - - - - - - - t c) 7101 4) - - - S - - - - - T d) 1001 5) - - - S - - S - - t e) 7040 6) S - - S r - - - T f) 2010
A. 1-d, 2-f, 3-b, 4-e, 5-c, 6-a
B. 1-b, 2-f, 3-d, 4-a, 5-c, 6-e
C. 1-f, 2-a, 3-c, 4-b, 5-e, 6-d
D. 1-b, 2-d, 3-f, 4-a, 5-e, 6-c