Which three IP multicast group concepts are true?（）

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  A . 53（DNS） B . 69（TFTP） C . 515（LPR） D . 161（SNMP） E . 49（TACACS）

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• Which three statements are true regarding the data types in Oracle Database 10g/11g?（）

  A . Only one LONG column can be used per table  B . A TIMESTAMP data type column stores only time values with fractional seconds  C . The BLOB data type column is used to store binary data in an operating system file  D . The minimum column width that can be specified for a VARCHAR2 data type column is one  E . The value for a CHAR data type column is blank-padded to the maximum defined column width

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• Which three IP multicast address related statements are true？ （Choose three.） （） 

  A . Multicast addresses 224.0.0.0 through 224.0.0.255 are always forwarded because they are transmitted  with Time to Live （TTL） greater than 1. B . Multicast addresses 224.0.0.5 and 224.0.0.6 are source multicast addresses for OSPF routers. C . Multicast addresses 224.0.0.13 and 224.0.0.22 are reserved link-local addresses used by PIMv2 and  IGMPv3. D . Because they would map to overlapping IP multicast MAC addresses， multicast addresses 224.0.1.1  and 238.1.1.1 could not be used together. E . Multicast address 224.0.1.1 has been reserved for the Network Time Protocol （NTP） by the IANA F . The administratively scoped multicast addresses 239.0.0.0 through 239.255.255.255 are similar in  purpose to RFC 1918 private unicast addresses.

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• Which three IP addresses are valid multicast addresses?（）

  A . 169.254.23.59 B . 223.254.255.254 C . 225.1.1.1 D . 227.43.34.2 E . 238.3.3.3 F . 249.1.2.3

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• To which of these does IP multicast send packets?（）

  A . a single host B . a subset of hosts C . all hosts sequentially D . all hosts simultaneously

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• In relation to MPLS Multicast VPN， which three statements about multicast distribution （MDT） groups aretrue？ （）

  A . Default MDT groups are used for PIM control traffic， low-bandwidth sources， and flooding of sparse mode traffic. B . MDTs are built in customer networks C . Data MDT groups are used for high-bandwidth sources to reduce replication to uninterested PEs. D . MDTs are built in provider networks E . The number of MDTs depends on PIM modes of MDT groups.

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• Which three IP addresses can be assigned to hosts if the subnet mask is /27 and subnet zero is usable？（）

  A .  10.15.32.17 B .  17.15.66.128 C .  66.55.128.1 D .  135.1.64.34 E .  129.33.192.192 F .  192.168.5.63

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• Which three of the following OSI model layers also belong to the TCP/IP model?（）

  A . The application layer B . The session layer C . The data link layer D . The transport layer E . The network interface layer F . The physical layer

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• What are three methods that may be use d to allow a switch to determine which ports to forward IP multicast messages to?（）

  A . IGMP B . IGMP snooping C . PIM D . CGMP E . static assignment F . CDP

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• Which three actions are required to access the network statistics on a remote Cisco Unified Wireless IP Phone 7921G via a web browser?（）

  A . Browse to the phone using the MAC address of the phone. B . Use HTTPS:// preceding the address of the phone. C . Change web access to read/write for the MAC address of the phone on Cisco Unified Communications Manager. D . Enter the username and password of the phone. E . Ensure that the host is on the same subnet as the remote phone.

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• Which three statements best describe multicast operation on Cisco Nexus switches in a data center？（）

  A .  Cisco NX-OS Software does not support PIM dense mode. B .  The command ip multicast-routing must be enabled in Cisco NX-OS Software before any multicast configuration is possible on the switch. C .  PIM CLI configuration and verification commands are not available until you enable the PIM feature with the feature pim command. D .  Cisco NX-OS Software supports multicast routing per Layer 3 VRF instance. E .  The default PIM operational mode on the Cisco Nexus 7000 switch is SSM.

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• When building an IP multicast domain using PIM which mode assumes  that other routers do not want to forward multicast packets for the group?（）

  A . PIM - DM B . PIM - SM C . PIM - RP D . CGMP E . IGMP snooping

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• Which three statements are true about IP multicast configuration?（）

  A . PIM sparse - dense mode and PIM dense mode require an RP on the network. B . PIM sparse mode and PIM dense mode require an RP on the network. C . PIM sparse mode interfaces are always added to the multicast routing table in a router. D . PIM sparse mode and PIM sparse - dense mode require an RP on the network. E . PIM dense mode interfaces are always added to the multicast routing table in a router. F . PIM sparse - dense mode acts as PIM dense mode if an RP is not known.

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• Which two IP multicast addresses belong to the group represented by the MAC address of 0x01-00-5E-15-6A-2C？ （）

  A .  224.21.106.44 B .  224.25.106.44 C .  233.149.106.44 D .  236.25.106.44 E .  239.153.106.44

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• Cisco IOS XR Software Multicast Routing Implementation， which three features are supported in IPv6 onCisco CRS router？（）

  A . PIM-SSM B . Aggregation multicast C . PIM-Bidirectional D . OOR handling E . integrated multicast F . Multicast NSF

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• Which three statements are true about Source Specific Multicast？（）

  A . Is best suited for applications that are in the one-to-many category. B . SSM uses shortest path trees only. C . The use of SSM is recommended when there are many sources and it is desirable to keep the amount of mroute state in the routers in the network to a. D . There are no RPs to worry about.

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• Which three of these are major scaling， sizing， and performance considerations for an IP secdesign？ （）

  A .  connection speed B .  number of remote sites C .  features to be supported D .  types of devices at the remote site E .  whether packets are encrypted using 3DES or AES F .  number of routes in the routing table at the remote site

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• To which of these does IP multicast send packets？（）

  A .  a single host B .  a subset of hosts C .  all hosts sequentially D .  all hosts simultaneously

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• When IP multicast is enabled via PIM, which mode uses the flood and prune metho d? Select the best response.（）

  A . PIM sparse - dense B . Bidir - PIM C . PIM - RP D . PIM - DM E . PIM - SM

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• Which three IP multicast address related statements are true?（）

  A . Multicast addresses 224.0.0.13 and 224.0.0.22 are reserved link - local addresses used by PIMv2 and IGMPv3 B . Because they would map to overlapping IP multicast MAC addresses, multicast addresses 224.0.1.1 and 238.1.1.1 could not be used toget her C . Multicast addresses 224.0.0.0 through 224.0.0.255 are always forwarded because they are transmitted with Time to Live (TTL) greater than 1 D . Multicast addresses 224.0.0.5 and 224.0.0.6 are source multicast addresses for OSPF routers E . The a dministratively scoped multicast addresses 239.0.0.0 through 239.255.255.255 are similar in purpose to RFC 1918 private unicast addresses F . Multicast address 224.0.1.1 has been reserved for the Network Time Protocol (NTP) by the IANA

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• Which two multicast IP addresses can be represented by the multicast MAC addre ss 0100.5e0A.0A07?（）

  A . 228.10.10.7 B . 229.11.10.7 C . 229.138.10.7 D . 229.138.10.8 E . 228.10.10.8 F . 228.10.138.7

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• Which two range descriptions correctly describe IP addressing to use when enabling multicast support using the Cisco Unified Wireless Solution?（）

  A . globally scoped address range B . 239.0.0.X or 239.128.0.X address range C . administratively scoped address range that does not overlap with a link-local MAC address D . any Class D address range E . site-local scoped address range

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• Which three of these statements about the IP service level agreement （SLA） sender are true？ （）

  A . SLA sender target can be an IP host B . SLA sender sends a probe packet and a response probe packet C . SLA sender sends a probe packet D . SLA sender target must be a router E . SLA sender target can be an IP SLA responder

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• The cluster IP address of the UCS Fabric interconnects is used to access which three entities? （）

  A . CMC B . CLI C . API D . VSM E . UI

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