When an IPv6 enabled host boots, it sends a router solicitation (RS) message. An IPv6 router responds with a router advertisement (RA). Which two items are c ontained in the RA?（）

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  A . ff02：a：b：c：：l/64 B . 2001：aaaa： 1234：456c： 1/64 C . 2001：000a：lb2c：：/64 D . 2fff：f：f：f：：f/64 E . ff02：33ab：l：32：：2/128 F . 2001：bad：2345：a：b：：cef/128

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• Which three statements are true when the listener handles connection requests to an Oracle 12cdatabase instance with multithreaded architecture enabled In UNIX?（）

  A . Thread creation must be routed through a dispatcher process B . The local listener may spawn a now process and have that new process create a thread C . Each Oracle process runs an SCMN thread. D . Each multithreaded Oracle process has an SCMN thread. E . The local listener may pass the request to an existing process which in turn will create a thread.

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• Which parameter， when enabled on a standalone access point， gives the highest priority to a voice packeteven when QoS is not enabled？（）

  A . QoS Element for Wireless Phones B . IGMP Snooping C . WMM D . AVVID Priority Mapping

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• When enabling IPS on an ISR using the Cisco SDM IPS Wizard， in what location can the SDF be placed？（）

  A . On the RAM of the ISR B . On the USB memory stick of the ISR C . On the NVRAM of the ISR D . On the IPS Module of the ISR E . On the Flash memory of the ISR

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• Which action enables an administrator to make a VIO Server automatically activate when the physical machine is powered on?（）

  A . Ensure the /etc/auto_start file exists on the VIOS. B . Ensure the 'cfgdev -a boot=yes' command has been executed. C . Select the 'Automatically start when the managed system is powered on' option within the VIO Server LPAR profile. D . Add the VIO Server to the 'Automatically start when the managed system is powered on' field on the Managed System properties.

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• Refer to the exhibit. Which configuration would correctly enable Host A to acquire an IP address from the DHCP server that is located at 10.1.2.10/24? （）https://assets.asklib.com/images/image2/201807301525026565.jpg

  A . ASw1(config)# interface range FastEthernet 0/1 - 24 ASw1(config - if - range)# ip forward - protocol udp 67 ASw1(config - if - range)# ip forward - protocol udp 68 B . ASw1(config)# interface range FastEthernet 0/1 - 24 ASw1(config - if - range)# ip helper - address 10.1.2.10 C . RTA(config)# interface fastethernet0/0 RTA(config -if)# ip forward- protocol udp 67 RTA(config - if)# ip forwar d- protocol udp 68 D . RTA(config)# interface fastethernet0/1 RTA(config -if)# ip forward- protocol udp 67 RTA(config -if)# ip forward- protocol udp 68 E . RTA(config)# interface fastethernet0/0 RTA(config - if)# ip helper - address 10.1.2.10 F . RTA(config)# in terface fastethernet0/1 RTA(config - if)# ip helper - address 10.1.2.10

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• Which command must be globally enabled on a Cisco router to support IPv6?（）

  A . ip routing ipv6 B . ipv6 unicast - routing C . ipv6 routing D . ip classless E . ipv6 cef

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• Which wild card mask will enable a network administrator to permit access to the Internet for only hosts that are assigned an address in the range 192.168.8.0 through 192.168.15.255?（）

  A . 0.0.0.0 B . 0.0.0.255 C . 0.0.255.255 D . 0.0.7.255 E . 0.0.3.255 F . None of the above

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• Which three causes could prevent a host from getting an IPv6 address with stateless autoconfiguration？（）

  A . The autoconfig command is missing from the router interface. B . IPv6 multicast routing is not enabled on the router interface. C . IPv6 unicast routing is not enabled on the router interface. D . The router interface is configured with a /63 mask. E . The router interface is configured with a /65 mask.

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• Which command enables IPv6 forwarding on a cisco router?（）

  A . ipv6 host B . ipv6 unicast-routing C . ipv6 local D . ipv6 neighbor

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• You have an Exchange Server 2010 Edge Transport server.You discover that e-mail delivery to an external SMTP host named Host1 fails.You need to identify which SMTP error codes occur when the delivery to Host1 fails. What should you do？（）

  A . Run the Queue Viewer. B . Enable pipeline tracing. C . Run the Mail Flow Troubleshooter. D . Configure the protocol logging level on the Send connector.

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• A client host uses IPv4 to communicate with one ser ver and IPv6 to communicate with another.Which of the following IPv6 coexistence features is likely at work on the host?（）

  A . Native IPv6 B . Point - to -point tunnels C . Multipoint tunnels D . NAT - PT E . Dual stack

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• When troubleshooting the issue， you notice the election of a new root bridge with an unknown MAC address. Knowing that all access ports have the PortFast feature enabled， what would be the easiest way to resolve the issue without losing redundant links？（）

  A . Enable bpduguard globally. B . Enable rootguard. C . Enable loopguard. D . Enable spanning tree. E . Enable UDLD

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• When you enable port security on an interface that is also configured with a voice VLAN，  what is the maximum number of secure MAC addresses that should be set on the port？（）

  A . No more than one secure MAC address should be set. B . The default will be set. C . The IP phone should use a dedicated port， therefore only one MAC address is needed per port. D . No value is needed if the switchport priority extend command is configured.  E . No more than two secure MAC addresses should be set.

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• Which action enables an administrator to make a VIO Server automatically activate when the physical machine is powered on？（）  

  A . Ensure the /etc/auto_start file exists on the VIos B . Ensure the ’cfgdev -a boot=yes’ command has been executed. C . Select the ’Automatically start when the managed system is powered on’ option within the vio Server lpar profile. D . Add the VIO Server to the ’Automatically start when the managed system is powered on’ field on the managed System properties.

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• When is the connection concentrator enabled?（）

  A . When the value of MAX_CONNECTIONS is greater than the value of MAX_COORDAGENTS.   B . When the value of MAX_AGENTS is greater than the value of MAX_CLIENTS.   C . When the value of NUM_AGENTS is greater than the value of MAX_AGENTS.  D . When the value of NUM_CONNECTIONS is greater than the value of NUM_COORDAGENTS.

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• Refer to the exhibit. How will interface FastEthernnet0/1 respond when an 802.1x-enabled client  connects to the port？  （） https://assets.asklib.com/images/image2/2018073011005317862.jpg

  A .  The switch will uniquely authorize the client by using the client MAC address. B .  The switch will cause the port to remain in the unauthorized state， ignoring all attempts by the  client to authenticate. C .  The switch port will disable 802.1x port-based authentication and cause the port to transition to  the authorized state without any further authentication exchange. D .  The switch port will enable 802.1x port-based authentication and begin relaying authentication  messages between the client and the authentication server.

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• Which of the following is helpful to allow an IPv6 host to learn the IP address of a default gateway on its subnet?（）

  A . Stateful DHCP B . Stateless RS C . Stateless autoconfiguration D . Neighbor Discovery Protocol

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• Which of the following is a true statement when promiscuous mode is enabled on an Integrated Virtual Ethernet？（）

  A .  The physical port can be used as part of a Shared Ethernet Adapter （SEA）. B .  All physical ports on the Host Ethernet Adapter （HEA） default to promiscuous mode. C .  Multiple logical ports can be assigned to a physical port if that logical port is in promiscuous mode. D .  All physical ports that belong to the same port group will be set to promiscuous mode on the Host Ethernet Adapter （HEA）.

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• When you are invited to an event in USA, it is important to call or drop a note letting the host know if you will attend.

  对 错

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• Router R1 currently has no configuration related to IPv6 or IPv4. The following configuration exists in a planning document, intended to be used to copy/paste into Router R1 to enable OSPFv3 on interfaces F0/0 and S0/0/0. No other related configuration exists. Assuming F0/0 and S0/0/0 reach an up/up state, which of the following is true about OSPFv3 on R1 after this configuration has been pasted into R1？（）ipv6 router ospf 1ipv6 unicast- routinginterface f0/0ipv6 address 2000 ::1/64ipv6 ospf 1 area 1interface s0/0/0ipv6 address 2001::/64 eui - 64ipv6 ospf 1 area 0

  A. OSPF works on F0/0 and S0/0/0 without further configuration B. OSPF works with the addition of one command: a no shutdown command in OSPF router configur ation modE C. OSPF works with the addition of one command: an router - id command in OSPF router configuration modE D. OSPFv3 needs at least two more configuration commands before it works on R1

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• Which configuration will enable OSPF for IPv6 on FastEthernet 0/0/0？（）

  <img src='https://img2.soutiyun.com/shangxueba/ask/64317001-64320000/64318187/644928c6a39dbbfb95602073ba4f1456.jpg' /> A．A B．B C．C D．D

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• Which three statements are true when the listener handles connection requests to an Oracle 12cdatabase instance with multithreaded architecture enabled In UNIX？（）

  A. Thread creation must be routed through a dispatcher process B. The local listener may spawn a now process and have that new process create a thread C. Each Oracle process runs an SCMN thread. D. Each multithreaded Oracle process has an SCMN thread. E. The local listener may pass the request to an existing process which in turn will create a thread.

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• Your company is main office and a branch office are connected by a slow WAN link. All servers are located in the main office run Windows Server 2008 R2. All client computers run Windows 7.You install an application on a Remote Desktop Session Host (RD Session Host) server. Users in the branch office experience slow performance when accessing the application through Remote Desktop.You need to minimize the bandwidth utilization to the RD Session Host server.What should you do？（）

  A.Configure BranchCache in Hosted Cache mode. B.On the RD Session Host server, configure the RDP-TCP properties to allow only Network Level Authentication. C.On each client computer, configure the Connect Experience settings in the Remote Desktop Connection client. D.On each client computer, configure the Connect From Anywhere settings in the Remote Desktop Connection client.

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