Oracle 1Z0-880 Online Practice Questions and Exam Preparation

Oracle 1Z0-880 Online Questions & Answers

• Question 41:

  A system with its Ethernet port configured for full-duplex operation has what advantage over one running at half-duplex?

  A. The system's CPU processes fewer interrupts.
  B. It provides more reliable transmission.
  C. It has double the throughput capacity.
  D. It has double the transmission speed.
  C. It has double the throughput capacity.

• Question 42:

  Due to a restructuring of your organization, your company is divided into four separate groups. Your network is to be organized into four separate subnetworks, but you only have a single Class C address range. Which file, on every host, on each subnetwork, needs to be modified so that you can implement an appropriate subnetworking strategy?

  A. /etc/netgroup
  B. /etc/inet/hostname.hme0
  C. /etc/defaultrouter
  D. /etc/inet/netmasks
  E. /etc/netmask
  D. /etc/inet/netmasks

• Question 43:

  In order to add static routes to in.routed at startup time, you add the following line to /etc/defaultrouter:

  net 129.159.158.0 gateway gw-157-158 metric 1

  When the system is rebooted, you notice that the in.routed has NOT started. The svcs -x does NOT show anything wrong.

  What is the cause of this problem?

  A. You specified the routers by name, rather than by address.
  B. You did not add the static keyword.
  C. You did not use /etc/gateways.
  D. You did not specify a netmask as well.
  C. You did not use /etc/gateways.

• Question 44:

  The TCP protocol has an algorithm that implements flow control on both the sender side and the receiver side. What is the function of the congestion window on the sending side?

  A. adjusts the rate at which data can be sent
  B. advertises the maximum amount of data that can be received
  C. advertises the maximum amount of data that can be sent
  D. advertises the amount of data loss
  E. adjusts the rate at which data can be received
  A. adjusts the rate at which data can be sent

• Question 45:

  A DHCP client is unable to obtain an IP address using DHCP, although other clients on the same network are able to. Which two commands can be used to assist with the diagnosis of this problem? (Choose two.)

  A. ifconfig hme0 dhcp start verbose on the DHCP client
  B. dhcpagent -f -d 2 on the DHCP client
  C. snoop -v dhcp on the DHCP server
  D. svcadm -d restart svc:/network/dhcp-server on the DHCP server
  E. snoop -V port bootps on the DHCP server
  B. dhcpagent -f -d 2 on the DHCP client
  E. snoop -V port bootps on the DHCP server

• Question 46:

  Protocols are used by computer networks to communicate or exchange data. A data communication protocol is a set of rules that must be followed by electronic devices to communicate with each other. Which three describe these sets of rules? (Choose three.)

  A. Transport - Manages the connections between cooperating applications
  B. Timing - Speed matching and sequencing
  C. Application - Handles the detail and functions
  D. Internet - Manages data addressing
  E. Syntax - Data format and coding
  F. Semantics - Controls information and error handling
  B. Timing - Speed matching and sequencing
  E. Syntax - Data format and coding
  F. Semantics - Controls information and error handling

• Question 47:

  Which three layers of the OSI network model are included in the Application layer of the TCP/IP network model? (Choose three.)

  A. Presentation
  B. Transport
  C. Data Link
  D. Network
  E. Session
  F. Application
  A. Presentation
  E. Session
  F. Application

• Question 48:

  A Solaris 10 OS has packet filtering enabled and configured. Within the configuration file there is the log keyword, so the Solaris IP Filter firewall logs packets.

  Given the following command: ipmon -D /var/tmp/filterlog.txt

  Which two statements are true? (Choose two.)

  A. The contents of the /var/tmp/filterlog.txt file gets deleted.
  B. Logging information is captured to the /var/tmp/filterlog.txt file.
  C. Only the logging rule-set is downloaded into the /var/tmp/filterlog.txt file.
  D. The firewall rule-set is downloaded into the /var/tmp/filterlog.txt file.
  E. ipmon is instructed to run as a daemon.
  B. Logging information is captured to the /var/tmp/filterlog.txt file.
  E. ipmon is instructed to run as a daemon.

• Question 49:

  Place each network component on the layer at which it operates.

  Select and Place:

  

  

• Question 50:

  Which configuration line caused the following message to be logged?

  Jan 15 19:16:24 ennovy ipmon[757]: 19:16:23.701981 qfe1 @100:3 b 10.1.100.70,59967 -> 192.168.1.4,139 PR tcp len 20 48 -S IN

  A. block in log on qfe1 from 10.1.100.70 to any
  B. pass in quick on qfe1 from 10.0.0.138 to any group 100
  C. pass in quick proto icmp from any to 192.168.1.4/32 group 100
  D. block in log on qfe2 all head 200
  E. block in log on qfe1 all head 100
  F. block in log on qfe1 proto tcp all flags S/SA group 100
  F. block in log on qfe1 proto tcp all flags S/SA group 100