Oracle 1Z0-880 Online Practice Questions and Exam Preparation

Oracle 1Z0-880 Online Questions & Answers

• Question 131:

  A new administrator makes changes to the zone file on the primary DNS server and now the secondary DNS server fails to synchronize. The secondary server is rebooted but this fails to help. Which failure caused this problem?

  A. failure to update the SOA ttl number of the updated zone file
  B. failure to update the time record of the updated zone file
  C. failure to update the NS record of the updated zone file
  D. failure to update the serial number of the updated zone file
  D. failure to update the serial number of the updated zone file

• Question 132:

  Click the Exhibit button.

  You have a system that is directly connected to three local IPv6 networks. Currently this machine can talk to other hosts on each of the three networks. However, machines on different networks cannot talk to each other, even though they all

  have this system configured as their default IPv6 router. The output of routeadm is shown in the exhibit.

  Which command do you need to run to allow this machine to immediately begin forwarding packets between the three directly connected networks?

  

  A. routeadm -e ipv6-routing
  B. /usr/lib/inet/in.ripngd
  C. routeadm -e ipv6-forwarding
  D. routeadm -u -e ipv6-forwarding
  E. ndd -set /dev/ip ipv6_send_redirects 1
  D. routeadm -u -e ipv6-forwarding

• Question 133:

  Place each LAN component next to its description.

  Select and Place:

  

  

• Question 134:

  You configure an NTP server to use its local undisciplined clock and also an external server at address 192.20.20.1. Additionally, you create a fudge line:

  fudge 127.127.1.0 stratum 12

  Which is the purpose of the fudge line?

  A. to make the xntpd daemon check the clients clock every 12 minutes
  B. to ensure that the synchronization is checked at 12:00 P.M. each day
  C. to ensure that the server's local clock is seen as a stratum 12 server
  D. to ensure that only servers below stratum 12 are queried
  C. to ensure that the server's local clock is seen as a stratum 12 server

• Question 135:

  A Solaris 10 OS has packet filtering enabled and configured. Logging of Solaris IP Filter activity is also enabled. You assume a role that includes the Solaris IP Filter Management right profile. Place the commands in the proper order of execution.

  1. Save logged packets to a file (log_file)

  2. Flush the packet log buffer

  3. Print the content of log_file to stdout

  Note: Not all commands are used.

  Select and Place:

  

  

• Question 136:

  A DNS server that you administer has stopped responding to client requests. Which four commands can you use in debugging the DNS server? (Choose four.)

  A. pkill -HUP inetd
  B. svcadm restart system/name-service-cache
  C. dig
  D. ndc
  E. pkill -INT in.inetd
  F. pkill -INT in.named
  G. pkill -USR1 in.named
  C. dig
  D. ndc
  F. pkill -INT in.named
  G. pkill -USR1 in.named

• Question 137:

  Place each TCP/IP protocol or standard on its corresponding layer of the model.

  Select and Place:

  

  

• Question 138:

  Place the text in its proper place to create a Solaris IP Filter rule that blocks, returns RST, and logs only incoming auth connections on tcp port 113.

  Select and Place:

  

  

• Question 139:

  The system administrator of a firewall running Solaris IP Filter writes an updated set of rules in /root/ newrules. Before implementing the rules, the rule set needs to be tested for syntax errors. Which command accomplishes this?

  A. inetadm restart svc:/network/ipfilter:/root/newrules
  B. ipf -Fa -f /root/newrules
  C. ipf -n -f /root/newrules
  D. svcadm restart svc:/network/ipfilter:/root/newrules
  C. ipf -n -f /root/newrules

• Question 140:

  On a DHCP client, the interface is down and configured with the IP address 0.0.0.0. After typing ifconfig hme0 dhcp start, you observe snoop output that does not include a DHCPDISCOVER packet: OLD-BROADCAST -> BROADCAST DHCP/BOOTP DHCPREQUEST

  192.168.10.1 -> 192.168.10.10 DHCP/BOOTP DHCPACK

  Which command was used to shut down the interface in such a way that a DHCPDISCOVER was NOT required?

  A. dhcpconfig -r hme0
  B. dhcpagent -r hme0
  C. ifconfig hme0 dhcp release
  D. ifconfig hme0 dhcp drop
  D. ifconfig hme0 dhcp drop