Oracle 1Z0-880 Online Practice Questions and Exam Preparation

Oracle 1Z0-880 Online Questions & Answers

• Question 171:

  Your workstation is suddenly unable to communicate with hosts on other subnets However, you can still ping hosts on the same network. No changes have been made to the workstation and it has not been rebooted.

  The routing table on the workstation contains:

  Routing Table: IPv4 Destination Gateway Flags Ref Use Interface -------------------- ------------------ ----- ----- --------- ------------- 129.147.12.0 129.147.12.179 U 1 3 hme0 224.0.0.0 129.147.12.179 U 1 0 hme0

  127.0.0.1 127.0.0.1 UH 23 2304 lo0 What is a possible cause of this problem?

  A. The /etc/defaultrouter file is deleted.
  B. A router stopped broadcasting RDISC packets.
  C. inetd has core dumped.
  D. The switch to which the workstation is connected failed.
  B. A router stopped broadcasting RDISC packets.

• Question 172:

  Given that the NTP server IP address is 128.50.2.10, which is a valid entry in the NTP client configuration file?

  A. multicastclient
  B. broadcastclient 255.255.255.255
  C. unicastclient 128.50.2.10
  D. multicastclient 128.50.2.10
  A. multicastclient

• Question 173:

  The Solaris OS allows the resolution of name-to-address or address-to-name in many ways with different orders. Which file specifies the name resolution order?

  A. /etc/resolv.conf
  B. /etc/inet/hosts
  C. /etc/domainame
  D. /etc/named.conf
  E. /etc/nsswitch.conf
  E. /etc/nsswitch.conf

• Question 174:

  Click the Exhibit button.

  A DNS zone file is shown in the exhibit. The configuration for this domain is removed from the primary server, but the secondary server is not modified.

  How long after the domain is removed from the primary server will the secondary server stop returning authoritative replies for this domain?

  

  A. approximately 15 minutes after
  B. immediately
  C. approximately 30 minutes after
  D. approximately 1 hour after
  E. approximately 10 days after
  E. approximately 10 days after

• Question 175:

  The responses that a DNS server returns to DNS client requests are classified as either authoritative or non-authoritative. What are two characteristics of non-authoritative responses? (Choose two.)

  A. can be incorrect if the server's cache contains stale data
  B. are sourced from a server's cache
  C. are sourced from a disk-based file
  D. if validated from at least two other sources, are promoted to an authoritative response
  E. are always correct
  A. can be incorrect if the server's cache contains stale data
  B. are sourced from a server's cache

• Question 176:

  Given the following output showing the arp table of a system:

  Net to Media Table: IPv4

  Device IP Address Mask Flags Phys Addr ------------- ------------- ------------------------ -------- ----------------------- iprb0 cobra_ext 255.255.255.255 SP 00:00:39:e4:7d:df iprb0 192.168.1.200 255.255.255.255 SP 00:00:39:e4:7d:df iprb0 224.0.0.0 240.0.0.0 SM 01:00:5e:00:00:00

  Which two statements are true? (Choose two.)

  A. The system will respond to ARP requests for the address 192.168.1.200.
  B. cobra_ext resolves to the IP address 192.168.1.200.
  C. The MAC address associated to 192.168.1.200 should be 01:00:5e:00:00:00.
  D. 192.168.1.200 IP address has been statically added to the system arp table.
  E. The MAC address associated to 192.168.1.200 IP address is incorrect.
  A. The system will respond to ARP requests for the address 192.168.1.200.
  D. 192.168.1.200 IP address has been statically added to the system arp table.

• Question 177:

  As a connectionless protocol in peer-to-peer communications, UDP interacts with which adjacent and corresponding layers of the TCP/IP model?

  A. Ethernet and Hardware
  B. Hardware, Network, and Internet
  C. Application, Transport, Internet, and Network
  D. Transport, Application, and Internet
  D. Transport, Application, and Internet

• Question 178:

  Given:

  host name IP address MAC address host1 192.40.62.10 8:0:20:75:6e:7d Which command removes the ARP table entry for host1?

  A. rmarp -r 192.40.62.10
  B. arp -d host1
  C. rarp host1
  D. rarp 8:0:20:75:6e:7d
  E. rm -a 192.40.62.10
  B. arp -d host1

• Question 179:

  A system administrator is running snoop on the only interface of a newly installed Solaris system. The network in which the system is connected supports the Router Discovery Protocol. The system administrator starts in.routed. Which two are captured by the snoop command as a result of starting in.routed? (Choose two.)

  A. ping to the default router
  B. router advertisement
  C. gateway timeout parameter
  D. packet to destination 224.0.0.2
  B. router advertisement
  D. packet to destination 224.0.0.2

• Question 180:

  What is the function of the preamble in the Ethernet frame?

  A. It provides error correction data for the frame.
  B. It provides the length of the Ethernet frame.
  C. It describes the contents of the data section of the frame.
  D. It synchronizes communication between sender and receiver.
  D. It synchronizes communication between sender and receiver.