现有： interface Data {public void load（）；} abstract class Info {public abstract void load（）；} 下列类定义中正确使用Data和Info的是哪项？（） A、 public class Employee implements Info extends Data { public void load（）{／*dosomething*／} }B、public class Employee extends Inf.implements Data{ public void load（） {／*do something*／} }C、public class Empl.yee implements Inf extends Data{ public void Data.1oad（）{* do something*／} public void load（）{／*do something*／} }D、public class Employee extends Inf implements Data { public void Data.1oad（） {／*do something*／） public void info.1oad（）{/*do something*/} }
现有： interface Data {public void load（）；} abstract class Info {public abstract void load（）；} 下列类定义中正确使用Data和Info的是哪项？（）
- A、 public class Employee implements Info extends Data { public void load（）{／*dosomething*／} }
- B、public class Employee extends Inf.implements Data{ public void load（） {／*do something*／} }
- C、public class Empl.yee implements Inf extends Data{ public void Data.1oad（）{* do something*／} public void load（）{／*do something*／} }
- D、public class Employee extends Inf implements Data { public void Data.1oad（） {／*do something*／） public void info.1oad（）{/*do something*/} }
相关考题：
指定同/异步串口1和2的备份优先级分别为10和20的配置为()A.backup interface 1 10; backup interface 2 20B.backup interface serial 1 10; backup interface serial 2 20C.backup interface 1 priority 10; backup interface 2 priority 20D.backup interface serial 1 priority 10; backup interface serial 2 priority 20
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根据下面给出的一个VLAN的实例，回答问题。某IT公司现有行政部、技术部、市场部。VUN的划分：行政部VLAN10，技术部 VI且N20，市场部VLAN30，各部门之间还可以相互通讯。现有设备为：Cisco 3640路由器、 Cisco Catdyst 2924交换机一台以及二级交换机若干台。交换机配置文件中的部分代码如下：....!interface vlan10ip address 192.168.0.1!interface vlan20ip address 192. 168.1.1!interface vlan30ip address 192.168.2.1!....路由器配置文件中的部分代码如下:....interface Fast Ethernet 1/0.1encapsulation is1 10ip address 192.168. O.2interface Fast Ethernet 1/0.2encapsulation is1 20ip address 192.168.1.2interface Fast Ethernet 1/0.3encapsulation isl 30ip address 192.168.2.2router ripnetwork 192. 168. O. 0何谓VLAN?
In a chassis cluster with two SRX 5800 devices, the interface ge－13／0／0 belongs to which device?() A. This interface is a system-created interface.B. This interface belongs to node 0 of the cluster.C. This interface belongs to node 1 of the cluster.D. This interface will not exist because SRX 5800 devices have only 12 slots.
Which command allows you to decode packets in JUNOS?() A.debug packet interface-nameB.show interface extensiveC.traceoptions interface-nameD.monitor traffic interface interface-name
Which command shows if an access list is assigned to an interface?() A. show ip interface [interface] access-listsB. show ip access-lists interface [interface]C. show ip interface [interface]D. show ip access-lists [interface]
Whichcommandshowsif an accesslistisassignedtoaninterface?() A.show ip interface [interface] access-listsB.show ip access-lists interface [interface]C.show ip interface [interface]D.show ip access-lists [interface]
Which of the following is not an essential prerequisite for AutoQoS to be correctly applied to an interface（）A、The interface must be configured as a Multilink PPP interface.B、The correct bandwidth should be configured on the interface.C、A QoS policy must not be currently attached to the interface.D、CEF must be enableE、AutoQoS must be enabled globally before it can be enabled on the interface.F、An IP address must be configured on the interface if its speed is equal to or less than 768 kbps.
What interface is created when an FC Port Channel is created on a Cisco Unified Computing System？（）A、 An interface ’san-port-channel’ in NXOSB、 An interface ’port-channel’ in NXOSC、 An interface ’port-channel’ with ’mode fc’ configuredD、 An interface ’fc-port-channel’ in NXOS
public interface A { String DEFAULT_GREETING = “Hello World”； public void method1（）； } A programmer wants to create an interface called B that has A as its parent. Which interface declaration is correct？（） A、 public interface B extends A {}B、 public interface B implements A {}C、 public interface B instanceOf A {}D、 public interface B inheritsFrom A {}
现有： public interface A {} 以下哪项声明是合法的？（） A、a = new A（）；B、 A[] a = new A[]；C、 A[] a = new A[10]；D、 以上皆错
现有： 1． interface Animal f 2. void eat（）； 3． } 4． 5. // insert code here 6． 7. public class HouseCat implements Feline { 8． public void eat（） { } 9． } 和以下三个接口声明： interface Feline extends Animal （ ） interface Feline extends Animal {void eat（）； } interface Feline extends Animal {void eat（） { } } 分别插入到第5行，有多少行可以编译？ A、 0B、 1C、 2D、 3
In a chassis cluster with two SRX 5800 devices， the interface ge-13/0/0 belongs to which device？（）A、This interface is a system-created interface.B、This interface belongs to node 0 of the cluster.C、This interface belongs to node 1 of the cluster.D、This interface will not exist because SRX 5800 devices have only 12 slots.
Which command allows you to view interface usage details in real-time?（）A、user@host debug interface interface-nameB、user@host monitor usage interface-nameC、user@host monitor interface interface-nameD、user@host traceoptions interface interface-name
To troubleshoot interface problems, you can use both the disable command and the deactivate command. Which two statements are correct?（）A、If the interface is disabled, the logical unit will administratively shutdown.B、If the interface is deactivated, the physical interface will administratively shutdown.C、If the interface is deactivated, the interface configuration is ignored during commit.D、If the interface is disabled, the logical unit configuration is ignored during commit.
Overlay Transport Virtualization （OTV） join interface is used to source the OTV encapsulated traffic and send it to the Layer 3 domain of the data center network. Which statements are true about OTV join interface？ （）A、 Join interface is a Layer 3 entity， and with the Cisco NX-OS release 6.0， it can only be defined as a physical interface， physical subinterface， Layer 3 port channel， or Layer 3 port channel subinterface.B、 A single join interface can be defined and associated with a given OTV overlay.C、 Multiple overlays can also share the same join interface.D、 Join interface can be a loopback interface.E、 The join interface is a Layer 3 entity that can be defined as a physical interface but not as a logical one.
指定同/异步串口1和2的备份优先级分别为10和20的配置为（）A、backup interface 1 10； backup interface 2 20B、backup interface serial 1 10； backup interface serial 2 20C、backup interface 1 priority 10； backup interface 2 priority 20D、backup interface serial 1 priority 10； backup interface serial 2 priority 20
Which command shows if an access list is assigned to an interface?（）A、show ip interface [interface] access-listsB、show ip access-lists interface [interface]C、show ip interface [interface]D、show ip access-lists [interface]
现有： 1. interface Altitude { 2. //insert code here 3. } 和4个声明： int HIGH = 7； public int HIGH = 7； abstract int HIGH = 7； interface int HIGH = 7； 分别插入到第2行，有多少行可以编译？（） A、 0B、 1C、 2D、 3E、 4
单选题Which command allows you to decode packets in JUNOS?（）Adebug packet interface-nameBshow interface extensiveCtraceoptions interface-nameDmonitor traffic interface interface-name
单选题现有： public interface A {} 以下哪项声明是合法的？（）A A a = new A（）；B A[] a = new A[]；C A[] a = new A[10]；D 以上皆错
单选题In a Bridged 1483 network, which CLI commands are used to baseline an IP interface on ATM 6/1.1 and display recent IP transmit and receive statistics?（）Aclear ip interface atm 6/1.1 show ip interface atm 6/1.1Bbaseline atm interface atm 6/1.1 show ip interface atm 6/1.1Cclear ip interface atm 6/1.1 show ip interface atm 6/1.1 deltaDbaseline atm interface atm 6/1.1 show ip interface atm 6/1.1 delta
单选题Which command allows you to view interface usage details in real-time?（）Auser@host debug interface interface-nameBuser@host monitor usage interface-nameCuser@host monitor interface interface-nameDuser@host traceoptions interface interface-name
多选题To troubleshoot interface problems, you can use both the disable command and the deactivate command. Which two statements are correct?（）AIf the interface is disabled, the logical unit will administratively shutdown.BIf the interface is deactivated, the physical interface will administratively shutdown.CIf the interface is deactivated, the interface configuration is ignored during commit.DIf the interface is disabled, the logical unit configuration is ignored during commit.
单选题public interface A { String DEFAULT_GREETING = “Hello World”； public void method1（）； } A programmer wants to create an interface called B that has A as its parent. Which interface declaration is correct？（）A public interface B extends A {}B public interface B implements A {}C public interface B instanceOf A {}D public interface B inheritsFrom A {}
单选题现有： 1． interface Animal f 2. void eat（）； 3． } 4． 5. // insert code here 6． 7. public class HouseCat implements Feline { 8． public void eat（） { } 9． } 和以下三个接口声明： interface Feline extends Animal （ ） interface Feline extends Animal {void eat（）； } interface Feline extends Animal {void eat（） { } } 分别插入到第5行，有多少行可以编译？A 0B 1C 2D 3
单选题现有： 1. interface Altitude { 2. //insert code here 3. } 和4个声明： int HIGH = 7； public int HIGH = 7； abstract int HIGH = 7； interface int HIGH = 7； 分别插入到第2行，有多少行可以编译？（）A 0B 1C 2D 3E 4
单选题现有： public interface A {} 以下哪项声明是合法的？（）Aa = new A（）；B A[] a = new A[]；C A[] a = new A[10]；D 以上皆错