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单选题
现自： 1． interface Color { } 2. interface Weight { } 3． //insert code here 和以下足六个声明： class Boat extends Color， extends Weight { } class Boat extends Color and Weight { } class Boat extends Color， Weight { } class Boat implements Color， implements Weight { } class Boat implements Color and Weight { } class Boat implements Color， Weight { } 分别插入到第3行，有多少行可以编译？ （）
A
0
B
1
C
2
D
3
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更多 “单选题现自： 1． interface Color { } 2. interface Weight { } 3． //insert code here 和以下足六个声明： class Boat extends Color， extends Weight { } class Boat extends Color and Weight { } class Boat extends Color， Weight { } class Boat implements Color， implements Weight { } class Boat implements Color and Weight { } class Boat implements Color， Weight { } 分别插入到第3行，有多少行可以编译？ （）A 0B 1C 2D 3” 相关考题
考题
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
考题
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]
考题
A network administrator creates a layer 3 EtherChannel, bundling four interfaces into channel group 1. On what interface is the IP address configured?()
A.the port-channel 1 interfaceB.the highest number member interfaceC.all member interfacesD.the lowest number member interface
考题
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]
考题
下列关于loop back interface的说法()是不正确的?
A.loop back interface是CISCO路由器上缺省端口B.loop back interface一个永远不会DOWN的逻辑端口C.loop back interface是一个做自环测试的端口D.loop back interface是对端使用LOOPBACK命令测试链路后本端的端口状态
考题
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 {}
考题
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
考题
Which three demonstrate an “is a” relationship？（） A、 public class X { } public class Y extends X { }B、 public interface Shape { } public interface Rectangle extends Shape{ }C、 public interface Color { } public class Shape { private Color color； }D、 public interface Species { } public class Animal { private Species species； }E、 public class Person { } public class Employee { public Employee（Person person） { }F、 interface Component { } class Container implements Component { private Component[] children； }
考题
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.
考题
现自： 1． interface Color { } 2. interface Weight { } 3． //insert code here 和以下足六个声明： class Boat extends Color， extends Weight { } class Boat extends Color and Weight { } class Boat extends Color， Weight { } class Boat implements Color， implements Weight { } class Boat implements Color and Weight { } class Boat implements Color， Weight { } 分别插入到第3行，有多少行可以编译？ （） A、 0B、 1C、 2D、 3
考题
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]
考题
A network administrator creates a layer 3 EtherChannel, bundling four interfaces into channel group 1. On what interface is the IP address configured?（）A、the port-channel 1 interfaceB、the highest number member interfaceC、all member interfacesD、the lowest number member interface
考题
Which the two demonstrate an “is a” relationship？（）A、 public interface Person {} Public class Employee extends Person {}B、 public interface Shape {} public interface Rectangle extends Shape {}C、 public interface Color {} public class Shape { private Color color； }D、 public class Species {} public class Animal { private Species species； }E、 interface Component {} Class Container implements Component {private Component [] children；
考题
Which two demonstrate an “is a” relationship？（） A、 public interface Person { } public class Employee extends Person { }B、 public interface Shape { } public class Employee extends Shape { }C、 public interface Color { } public class Employee extends Color { }D、 public class Species { } public class Animal （private Species species；）E、 interface Component { } Class Container implements Component （ Private Component[ ]children； ）
考题
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
考题
单选题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
考题
多选题下列关于loop back interface的说法（）是不正确的？Aloop back interface是CISCO路由器上缺省端口Bloop back interface一个永远不会DOWN的逻辑端口Cloop back interface是一个做自环测试的端口Dloop back interface是对端使用LOOPBACK命令测试链路后本端的端口状态
考题
单选题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
考题
多选题Which three demonstrate an “is a” relationship？（）Apublic class X { } public class Y extends X { }Bpublic interface Shape { } public interface Rectangle extends Shape{ }Cpublic interface Color { } public class Shape { private Color color； }Dpublic interface Species { } public class Animal { private Species species； }Epublic class Person { } public class Employee { public Employee（Person person） { }Finterface Component { } class Container implements Component { private Component[] children； }
考题
单选题A network administrator creates a layer 3 EtherChannel, bundling four interfaces into channel group 1. On what interface is the IP address configured?（）A
the port-channel 1 interfaceB
the highest number member interfaceC
all member interfacesD
the lowest number member interface
考题
多选题Which two demonstrate an “is a” relationship？（）Apublic interface Person { } public class Employee extends Person { }Bpublic interface Shape { } public class Employee extends Shape { }Cpublic interface Color { } public class Employee extends Color { }Dpublic class Species { } public class Animal （private Species species；）Einterface Component { } Class Container implements Component （ Private Component[ ]children； ）
考题
单选题The policy action of color is used for congestion control under which circumstance?（）A
congestion in an upstream routerB
congestion in a downstream routerC
contention for queue space on an egress interfaceD
contention for queue space on an ingress interface
考题
多选题Which the two demonstrate an “is a” relationship？（）Apublic interface Person {} Public class Employee extends Person {}Bpublic interface Shape {} public interface Rectangle extends Shape {}Cpublic interface Color {} public class Shape { private Color color； }Dpublic class Species {} public class Animal { private Species species； }Einterface Component {} Class Container implements Component {private Component [] children；
考题
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 {}
考题
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
考题
单选题1. interface Animal ｛ 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
考题
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
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