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Which three statements are true about policing？（）
A . Out-of-profile packets are queued.
B . It causes TCP retransmits.
C . Marking and remarking are not supported.
D . It does not respond to BECN and foresight messages.
E . It uses a single- and two-bucket mechanism for metering.
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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 statements about RSTP are true？（）
A . RSTP significantly reduces topology reconverging time after a link failure.
B . RSTP expends the STP port roles by adding the alternate and backup roles.
C . RSTP port states are blocking，discarding，learing，or forwarding.
D . RSTP also uses the STP proprsal-agreement sequence.
E . RSTP use the same timer-baseed process as STP on point-to-point links.
F . RSTP provides a faster transition to the forwarding state on point-to-point links than STP does.
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Which of the following describes the roles of devices in a WAN? (Choose three.)（）
A . A CSU/DSU terminates a digital local loop.
B . A modem terminates a digital local loop.
C . A CSU/DSU terminates an analog local loop.
D . A modem terminates an analog local loop.
E . A router is commonly considered a DTE device.
F . A router is commonly considered a DCE device.
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Which three statements about subqueries are true? （）
A . Asinglerowsubquerycanretrieveonlyonecolumnandonerow.
B . Asinglerowsubquerycanretrieveonlyonerowbutmanycolumns.
C . Amultiplerowsubquerycanretrievemultiplerowsandmultiplecolumns.
D . Amultiplerowsubquerycanbecomparedusingthe"；>；"；operator.
E . AsinglerowsubquerycanusetheINoperator.
F . Amultiplerowsubquerycanusethe"；="；operator.
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Which three are advantages of SONET？（）
A . Allows the transportation of all forms of traffic
B . Multiplexing is easy
C . Clocks do not need to be synchronized
D . Reduces network complexity and cost
E . Padding is not necessary and not permitted
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Which three statements are true regarding subqueries?（）
A . Subqueries can contain GROUP BY and ORDER BY clauses
B . Main query and subquery can get data from different tables
C . Main query and subquery must get data from the same tables
D . Subqueries can contain ORDER BY but not the GROUP BY clause
E . Only one column or expression can be compared between the main query and subquery
F . Multiple columns or expressions can be compared between the main query and subquery
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Which three statements are true?（）
A . A final method in class X can be abstract if and only if X is abstract.
B . A protected method in class X can be overridden by any subclass of X.
C . A private static method can be called only within other static methods in class X.
D . A non-static public final method in class X can be overridden in any subclass of X.
E . A public static method in class X can be called by a subclass of X without explicitly referencing the class X.
F . A method with the same signature as a private final method in class X can be implemented in a subclass of X.
G . A protected method in class X can be overridden by a subclass of X only if the subclass is in the same package as X.
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Which three are Cisco architectures?（）
A . cloud computing
B . consumerization
C . collaboration
D . virtualization
E . digital media
F . borderless network
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Which three statements are true about persistent configuration?（） (Choose three.)
A . A user cannot set privileges on the persistent lightweight jobs
B . Persistent lightweight jobs generate a large amount of metadata
C . It is possible to create fully self-contained persistent lightweight jobs
D . The use of a template is mandatory to create persistent lightweight jobs
E . Persistent lightweight jobs are useful when users need to create a large number of jobs in a short time
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You are designing the placement of the PDC emulator operations master role. In which location or locations should you place the role?（）
A . Sydney
B . Melbourne
C . Perth
D . Berlin
E . Pari
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Which three statements are true？（）
A . The default constructor initializes method variables.
B . The default constructor has the same access as its class.
C . The default constructor invoked the no-arg constructor of the superclass.
D . If a class lacks a no-arg constructor， the compiler always creates a default constructor.
E . The compiler creates a default constructor only when there are no other constructors for the class.
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Which three statements are correct about RIP version 2? (Choose three.)（）
A . It has the same maximum hop count as version 1.
B . It uses broadcasts for its routing updates.
C . It is a classless routing protocol.
D . It has a lower default administrative distance than RIP version 1.
E . It supports authentication.
F . It does not send the subnet mask in updates.
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Which three are true? （）
A . A MERGE statement is used to merge the data of one table with data from another.
B . A MERGE statement replaces the data of one table with that of another.
C . A MERGE statement can be used to insert new rows into a table.
D . A MERGE statement can be used to update existing rows in a table.
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Which three actions are allowed in event details? （）(Choose three.)
A . Send
B . Raise
C . Delete
D . Receive
E . Acknowledge
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Which two statements are true about the role of split horizon？（）
A . It is a function used by routing protocols to install routes into routing table
B . It is a function that prevents the advertising of routes over an interface that the router is usingto reach a route
C . Its function is to help avoid routing loops.
D . It is a redistribution technique used by routing protocol
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Which three WLAN statements are true？ （Choose three.） （）
A . A lightweight AP receives control and configuration from a WLAN controller to which it is associated.
B . A WLAN client that is operating in half-duplex mode will delay all clients in that WLAN
C . A dhoc mode allows mobile clients to connect directly without an intermediate AP
D . Another term for infrastructure mode is independent service set （IBSS）
E . The Aironet 1230 access point is an example of an access point that operates solely as a lightweight access point.
F . WLANs are designed to share the medium and can easily handle an increased demand of channel contention.
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Which of the following describes the roles of devices in a WAN (Choose three.)（）。
A . A CSU/DSU terminates a digital local loop.
B . A modem terminates a digital local loop.
C . A CSU/DSU terminates an analog local loop.
D . A modem terminates an analog local loop.
E . A router is commonly considered a DTE device.
F . A router is commonly considered a DCE device.
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Which two statements are true about the roles in the Oracle database？（）
A . A role can be granted to itself.
B . Roles are owned by the SYS user.
C . Roles can be granted to other roles.
D . A role cannot be assigned external authentication.
E . A role can contain both system and object privileges.
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Which three MPLS statements are true？（）
A . Cisco Express Forwarding （CEF） must be enabled as a prerequisite to running MPLS on a Cisco router.
B . Frame-mode MPLS inserts a 32-bit label between the Layer 3 and Layer 4 headers.
C . MPLS is designed for use with frame-based Layer 2 encapsulation protocols such as Frame Relay， but is not supported by ATM because of ATM fixed-length cells.
D . OSPF， EIGRP， IS-IS， RIP， and BGP can be used in the control plane.
E . The control plane is responsible for forwarding packets.
F . The two major components of MPLS include the control plane and the data plane.
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You are designing a Windows Azure application. The application contains one web role and three worker roles. You need to recommend an approach for updating only one role without interrupting the other roles. What should you recommend？（）
A . Perform a VIP swap.
B . Perform an in-place upgrade.
C . Delete the current deployment and then redeploy the application.
D . Copy the cloud package to blob storage and then restart the service.
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You are designing the placement of the PDC emulator operations master role. In which location or locations should you place the role？（）
A . Sydney
B . Melbourne
C . Perth
D . Berlin
E . Pari
