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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 two of these are recommended practices with trunks? （）
A . use ISL encapsulation
B . use 802.1q encapsulation
C . set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiation
D . use VTP server mode to support dynamic propagation of VLAN information across the network
E . set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation.
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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 three best practices should be implemented at the campus backbone submodule to support the server farm module?（）
A . Implement highly redundant switching and links with no single points or paths of failure.
B . Implement server load balancing.
C . Implement the Hot Standby Router Protocol (HSRP) for failover protection.
D . Implement intrusion detection with automatic notification of intrusion attempts in place.
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Which three items are Cisco best-practice recommendations for securing a network？（）
A . Routinely apply patches to operating systems and applications
B . Disable unneeded services and ports on hosts
C . Deploy HIPS software on all end-user workstations
D . Require strong passwords and enable password expiratio
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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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Which two of these are recommended practices with trunks？ （）
A . use ISL encapsulation
B . use 802.1q encapsulation
C . set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiation
D . use VTP server mode to support dynamic propagation of VLAN information across the network
E . set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation.
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Which two of these are recommended practices with trunks？（）
A . use ISL encapsulation
B . use 802.1q encapsulation
C . set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiation
D . use VTP server mode to support dynamic propagation of VLAN information across the network
E . set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiatio
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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 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 three best practices should be implemented at the campus backbone submodule to supportthe server farm module？ （）
A . Implement highly redundant switching and links with no single points or paths of failure.
B . Implement server load balancing.
C . Implement the Hot Standby Router Protocol （HSRP） for failover protection.
D . Implement intrusion detection with automatic notification of intrusion attempts in place.
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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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common laws are laws which have been established through common practice in the courts. ()
