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What are the two results of this configuration?（）
A . The default route should have a next hop address of 64.100.0.3.
B . Hosts on the LAN that is connected to FastEthernet 0/1 are using public IP addressing.
C . The address of the subnet segment with the WWW server will support seven more servers.
D . The addressing scheme allows users on the Internet to access the WWW server.
E . Hosts on the LAN that is connected to FastEthernet 0/1 will not be able to access the Internet without address translation.
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Given a class whose instances, when found in a collection of objects, are sorted by using the compareTo()method, which two statements are true?（）
A . The class implements java.lang.Comparable.
B . The class implements java.util.Comparator.
C . The interface used to implement sorting allows this class to define only one sort sequence.
D . The interface used to implement sorting allows this class to define many different sort sequences.
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What are two characteristics of Telnet? (Choose two.)（）
A . It sends data in clear text format.
B . It is no longer supported on Cisco network devices.
C . It is more secure than SSH
D . It requires an enterprise license in order to be implemented.
E . It requires that the destination device be configured to support Telnet connections.
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What are two characteristics of RIPv2?（）
A . classful routing protocol
B . variable-length subnet masks
C . broadcast addressing
D . manual route summarization
E . uses SPF algorithm to compute path
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What are two benefits of control plane policing？（）
A . protection against denial of service （DoS） attacks at infrastructure routers and switches
B . protection against known worm attacks in routers and switches
C . quality of service （QoS） control for packets that are sourced from the data plane of Cisco routers and switches
D . quality of service control （QoS） for packets that are destined to the control plane of Cisco routers and switches
E . quality of service （QoS） control for packets that are destined to the data plane of Cisco routers and switche
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What are two key characteristics of VTP？ （）
A . VTP messages are sent out all switch-switch connections.
B . VTP L2 messages are communicated to neighbors using CDP.
C . VTP manages addition， deletion， and renaming of VLANs 1 to 4094.
D . VTP pruning restricts flooded traffic， increasing available bandwidth.
E . VTP V2 can only be used in a domain consisting of V2 capable switches.
F . VTP V2 performs consistency checks on all sources of VLAN information.
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What are two characteristics of SLB router mode?（）
A . The design supports multiple server subnets.
B . An end-user sees the IP address of the real server.
C . SLB routes between the outside and inside subnets.
D . The source or destination MAC address is rewritten, but the IP addresses left alone.
E . SLB acts as a "bump in the wire" between servers and upstream firewall or Layer 3 devices.
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What are two characteristics of the DiffServ model？（）
A . service guarantee
B . traffic that is divided into classes
C . not scalable to large implementations
D . QoS mechanisms that are used without prior signaling
E . applications that signal their particular QoS and bandwidth requirement
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What are two characteristics of GSS？ （）
A . It helps verify end-to-end path availability.
B . It provides traffic rerouting in case of disaster.
C . HSRP， GLBP， and VRRP can be clients of GSS.
D . BGP must be the routing protocol between the distributed data centers.
E . DNS responsiveness is improved by providing centralized domain management.
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Which two are characteristics of the Transfer Object design pattern？（）
A . It reduces network traffic by collapsing multiple remote requests into one.
B . It increases the complexity of the remote interface by removing coarse-grained methods.
C . It increases the complexity of the design due to remote synchronization and version control issues.
D . It increases network performance introducing multiple fine-grained remote requests which return verysmall amounts of data.
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What are two benefits of the Cisco TAC?（）
A . Having Access to the current software releases and support for software packages
B . Having direct or indirect access to the Cisco TAC global organization
C . Having improved network availability and performance
D . HavingThe ability to access a group of expert
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What are two characteristics of OER? （）
A . It can take on HSRP, VRRP, and GLBP as clients.
B . It provides automatic inbound route optimization.
C . Path selection may be based on delay, loss, or jitter.
D . The border router makes decisions about which outbound path to use.
E . Automatic load distribution is provided for multiple connections.
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What are two characteristics of GSS?（）
A . It helps verify end-to-end path availability.
B . It provides traffic rerouting in case of disaster.
C . HSRP, GLBP, and VRRP can be clients of GSS.
D . BGP must be the routing protocol between the distributed data centers.
E . DNS responsiveness is improved by providing centralized domain management.
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What are the two benefits of graceful restart？（）
A . Graceful restart allows session information recovery without disruption to the network.
B . A node can perform a graceful restart to help a neighbor recover its state. The label bindings are kepton state information， which helps the failed node recover faster and does notaffect the current for wardtraffic.
C . Graceful restart allows a node to recover state from its neighbor when there is no RP or before thedevice undergoes SSO.
D . Graceful restart does not allow session information recovery.
E . During a graceful restart， the router removes any stale prefixes after a timer for stale entries expire
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What are two characteristics of OER？ （）
A . It can take on HSRP， VRRP， and GLBP as clients.
B . It provides automatic inbound route optimization.
C . Path selection may be based on delay， loss， or jitter.
D . The border router makes decisions about which outbound path to use.
E . Automatic load distribution is provided for multiple connections.
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Given a class whose instances， when found in a collection of objects， are sorted by using the compareTo（） method， which two statements are true？（）
A . The class implements java.lang.Comparable.
B . The class implements java.util.Comparator.
C . The interface used to implement sorting allows this class to define only one sort sequence.
D . The interface used to implement sorting allows this class to define many different sort sequences.
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What are two outcomes of deploying virtual SANs? （）(Choose two.)
A . increased administration
B . improved availability
C . reduced backup
D . increased security
E . greater storage demand
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What are two characteristics of Telnet (Choose two.)（）。
A . Itsendsdataincleartextformat.
B . ItisnolongersupportedonCisconetworkdevices.
C . ItismoresecurethanSSH
D . Itrequiresanenterpriselicenseinordertobeimplemented.
E . ItrequiresthatthedestinationdevicebeconfiguredtosupportTelnetconnections.
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What are two benefits of using NAT?（）
A . NAT protects network security because private networks are not advertised.
B . NAT accelerates the routing process because no modifications are made on the packets.
C . Dynamic NAT facilitates connections from the outside of the network.
D . NAT facilitates end-to-end communication when IPsec is enable.
E . NAT eliminates the need to re-address all host that require extemal access.
F . NAT conserves addresses through host MAC-level multiplexing.
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What are two characteristics of RIPv2？ （）
A . classful routing protocol
B . variable-length subnet masks
C . broadcast addressing
D . manual route summarization
E . uses SPF algorithm to compute path
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Given two collection objects referenced by col1 and col2，which of these statements are true？（）
A . The operation col1.retainAll（col2） will not modify the col1 object.
B . The operation col1.removeAll（col2） will not modify the col2 object.
C . The operation col1.addAll（col2） will return a new collection object， containing elements from both col1 and col2.
D . The operation col1.containsAll（Col2） will not modify the col1 object.
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What are the primary objectives of TPL?
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What are the two methods of organization?
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10、两个视图为三角形，一面视图是圆的基本体是什么图形？ What is the shape of the object two views that are both triangles and one view is a circle frame？
A．圆台 frustum of a cone
B．圆柱 cylinder
C．圆锥cone
D．四棱锥frustum of a pyramid
