Oracle 1Z0-880 Online Practice Questions and Exam Preparation

Oracle 1Z0-880 Online Questions & Answers

• Question 61:

  A Solaris 10 OS server on your network has the packet filter enabled. The rule of Solaris IP Filter firewall

  is:

  block in proto icmp all

  This rule, stored in the /etc/ipf/ipf.conf file, blocks all Internet Control Message Protocol (ICMP) traffic.

  Which command modifies this rule so it prevents only ping traffic?

  A. block in proto icmp all icmp-type dest-unreach
  B. block in proto icmp from any to any icmp-type dest-unreach
  C. block in proto icmp from any to any
  D. block in proto icmp all icmp-type echo
  D. block in proto icmp all icmp-type echo

• Question 62:

  An NTP server is configured to synchronize from three other NTP servers, all of which are Stratum 2 servers. By default, which Stratum level does your NTP server report itself as?

  A. Stratum 1
  B. Stratum 4
  C. Stratum 2
  D. Stratum 3
  E. Stratum 6
  D. Stratum 3

• Question 63:

  A Solaris system has an existing hme0 interface configured with an IPv4 address.

  hme0: flags=1004843 mtu 1500 index 2 inet 129.147.12.179 netmask ffffff00 broadcast 129.147.12.255 ether 8:0:20:f5:d7:d7 An administrator wants to test an implementation of IPv6 on this system. Which two commands can the administrator use to add an IPv6 address to hme0? (Choose two.)

  A. ifconfig hme0 inet6 plumb up
  B. routeadm -e -i hme0 inet6
  C. ifconfig hme0 ipv6 plumb up
  D. touch /etc/hostname6.hme0; init 6
  E. ifconfig -d hme0 addif inet6 -auto
  A. ifconfig hme0 inet6 plumb up
  D. touch /etc/hostname6.hme0; init 6

• Question 64:

  The Transport layer manages the transport of data between communicating hosts. Which three methods are used by the Transport layer to determine whether data have been correctly delivered? (Choose three.)

  A. sequencing
  B. flow control
  C. data fragmentation and reassembly
  D. acknowledgement responses
  E. expedited forwarding
  A. sequencing
  B. flow control
  D. acknowledgement responses

• Question 65:

  A Sun UltraSparc machine is being configured for network access. Place the possible value of the "localmac-address?" OBP variable on its definition. Note: Not all definitions are used.

  Select and Place:

  

  

• Question 66:

  You want to log the TCP packets your web server is receiving, without blocking any traffic. Which Solaris IP Filter rule should you use to achieve this?

  A. Solaris IP Filter cannot log without filtering
  B. pass in proto tcp from any to 0/32 port = 80
  C. pass in log proto tcp from any to 0/32 port = 80
  D. pass in log-only proto tcp from any to 0/32 port = 80
  E. ignore in log tcp from any to 0/32 port = 80
  C. pass in log proto tcp from any to 0/32 port = 80

• Question 67:

  Place the default minimum syslog logging level on the type of packet Solaris IP Filter logs at that level.

  Select and Place:

  

  

• Question 68:

  A DNS server is experiencing problems resolving hosts. Your troubleshooting efforts identify the following SOA record as the cause of the problem:

  @ soa in host1.abc.com. root.abc.com. ( 1002 ; Version number 43200 ; Refresh after 12 hours 3600 ; Retry after 1 hour 604800 ; Expire after 1 week 3600) ; Minimum TTL of 1 hr

  What is causing the error?

  A. The soa and in fields are in the wrong order.
  B. The final ")" must be on a line by itself.
  C. A serial number of 1002 is too small.
  D. The soa must be in uppercase.
  E. The () pair should be {}.
  A. The soa and in fields are in the wrong order.

• Question 69:

  For security reasons, only predefined MAC addresses are allowed access to the Internet from the internal network. You had to replace your manager's usual workstation on short notice, and the security team cannot change any settings for 24 hours. Which command can you execute to allow your manager to continue working?

  A. cat "8:0:20:b9:73:23" >/etc/ethers
  B. ifconfig hme0 plumb 8:0:20:b9:73:23
  C. ifconfig hme0 ether 8:0:20:b9:73:23
  D. ifconfig -a ether 8:0:20:b9:73:23
  C. ifconfig hme0 ether 8:0:20:b9:73:23

• Question 70:

  A system on your network, which runs HTTP services, has link-based IPMP configured on two Ethernet interfaces (eri0 and eri1). Due to a future re-cabling of your site, you must test the IPMP configuration by taking the eri0 interface offline

  and failing network access over to the eri1 interface.

  Place the command used to force the failover in the space provided.

  Note: Only one command is used.

  Select and Place: