Which keyword can protect a class in a package from accessibility by the classes outside the package()。A、privateB、protectedC、finalD、don’t use any keyword at all (make it default)

Which keyword can protect a class in a package from accessibility by the classes outside the package()。

  • A、private
  • B、protected
  • C、final
  • D、don’t use any keyword at all (make it default)

相关考题:

Volatile:a) What does the keyword volatile mean? Give an exampleb) Can a parameter be both const and volatile? Give an examplec) Can a pointer be volatile? Give an example

Which command returns a list of commands in which a given keyword is used throughout the Junos hierarchies?() A. help topicB. help referenceC. help aproposD. help tip

Keyword and blacklist filtering would be handled at which level in a network?() A. Layer 2 managed switchB. DHCP serverC. Hardware firewallD. Bridge

Which statements concerning the switch construct are true?()  A、All switch statements must have a default label.B、There must be exactly one label for each code segment in a switch statement.C、The keyword continue can never occur within the body of a switch statement.D、No case label may follow a default label within a single switch statement.E、A character literal can be used as a value for a case label.

()are the three different coatings which can protect metal from corrosion.A、Cement wash, bitumen and paintB、Metal primers, undercoats and topcoatsC、Varnishes, heat-resistant paints and anti-fouling paintsD、Cement wash, primer and undercoat

Which Cisco product family can simultaneously implement firewall, VPN, content security, network access control, virtualization, anD content filtering?()A、catalyst switchesB、adaptive security appliancesC、intrusion prevention systemsD、protect link gateway

Which two statements are true about the Cisco Classic (CBAC) IOS Firewall set?()A、It can be used to block bulk encryption attacksB、It can be used to protect against denial of service attacksC、Traffic originating from the router is considered trusted, so it is not inspectedD、Based upon the custom firewall rules, an ACL entry is statically created and added to theexisting ACL permanentlyE、Temporary ACL entries that allow selected traffic to pass are created and persist for theduration of the communication session

Which keyword is used with the show ip bgp neighbors [keyword] command to display all routes that are received and accepted from a neighbor?()A、pathsB、accepted-routesC、advertised-routesD、routes

Which smb.conf configuration keyword determines the hostname resolution order?()A、 use adsB、 name resolve orderC、 use nsswitch.confD、 use resolv.conf

Which four are true?()A、 Has-a relationships should never be encapsulated.B、 Has-a relationships should be implemented using inheritance.C、 Has-a relationships can be implemented using instance variables.D、 Is-a relationships can be implemented using the extends keyword.E、 Is-a relationships can be implemented using the implements keyword.F、 An array or a collection can be used to implement a one-to-many has-a relationship.G、 The relationship between Movie and Actress is an example of an is-a relationship.

It is desirable that a certain method within a certain class can only be accessed by classes that are defined within the same package as the class of the method. How can such restrictions be enforced?()  A、Mark the method with the keyword public.B、Mark the method with the keyword protected.C、Mark the method with the keyword private.D、Mark the method with the keyword package.E、Do not mark the method with any accessibility modifiers.

Which two statements are true regarding views?()A、A subquery that defines a view cannot include the GROUP BY clause B、A view that is created with the subquery having the DISTINCT keyword can be updated C、A view that is created with the subquery having the pseudo column ROWNUM keyword cannot be updated D、A data manipulation language (DML) operation can be performed on a view that is created with the subquery having all the NOT NULL columns of a table

Which statement is true regarding remote archive log file destinations?()A、Only two destinations per remote database can be specified.B、Destination is an Oracle Net alias specified by using the SERVICE keyword.C、The REOPEN attribute must be used when using remote archive log file destinations.D、The service name is resolved by searching sqlnet.ora file for the remote database name.

Which four statements are true?()A、Has-a relationships should never be encapsulated.B、Has-a relationships should be implemented using inheritance.C、Has-a relationships can be implemented using instance variables.D、Is-a relationships can be implemented using the extends keyword.E、Is-a relationships can be implemented using the implements keyword.F、An array or a collection can be used to implement a one-to-many has-a relationship.

多选题Click the Exhibit button. In the exhibit,the protect-re filter is applied as an input filter on the lo0.0 interface and all possible services are enabled under [edit system services].  Which two methods can you use to access the router?()AFTPBSSHCTelnetDJ-Web

多选题Which two security mechanisms protect the response stream?()AauthorizationBdata integrityCconfidentialityDauthentication

多选题Which four statements are true?()AHas-a relationships should never be encapsulated.BHas-a relationships should be implemented using inheritance.CHas-a relationships can be implemented using instance variables.DIs-a relationships can be implemented using the extends keyword.EIs-a relationships can be implemented using the implements keyword.FAn array or a collection can be used to implement a one-to-many has-a relationship.

单选题It is desirable that a certain method within a certain class can only be accessed by classes that are defined within the same package as the class of the method. How can such restrictions be enforced?()AMark the method with the keyword public.BMark the method with the keyword protected.CMark the method with the keyword private.DMark the method with the keyword package.EDo not mark the method with any accessibility modifiers.

多选题Which two statements are true regarding views?()AA subquery that defines a view cannot include the GROUP BY clauseBA view that is created with the subquery having the DISTINCT keyword can be updatedCA view that is created with the subquery having the pseudo column ROWNUM keyword cannot be updatedDA data manipulation language (DML) operation can be performed on a view that is created with the subquery having all the NOT NULL columns of a table

单选题Which keyword is used with the debug ipv6 [keyword] command to troubleshoot neighbor discovery problems?()AtransactionBicmpCdiscoveryDnd

单选题Which keyword can protect a class in a package from accessibility by the classes outside the package()。AprivateBprotectedCfinalDdon’t use any keyword at all (make it default)

单选题Which statements concerning the switch construct are true?()AAll switch statements must have a default label.BThere must be exactly one label for each code segment in a switch statement.CThe keyword continue can never occur within the body of a switch statement.DNo case label may follow a default label within a single switch statement.EA character literal can be used as a value for a case label.

单选题Which command returns a list of commands in which a given keyword is used throughout the Junos hierarchies?()Ahelp topicBhelp referenceChelp aproposDhelp tip

单选题Which keyword is used with the show ip bgp neighbors [keyword] command to display all routes that are received and accepted from a neighbor?()ApathsBaccepted-routesCadvertised-routesDroutes

填空题Saving energy can help protect the environment.____

单选题Where do you configure SCREEN options?()Azones on which an attack might arriveBzones you want to protect from attackCinterfaces on which an attack might arriveDinterfaces you want to protect from attack

单选题Keyword and blacklist filtering would be handled at which level in a network?()ALayer 2 managed switchBDHCP serverCHardware firewallDBridge

多选题Which four are true?()AHas-a relationships should never be encapsulated.BHas-a relationships should be implemented using inheritance.CHas-a relationships can be implemented using instance variables.DIs-a relationships can be implemented using the extends keyword.EIs-a relationships can be implemented using the implements keyword.FAn array or a collection can be used to implement a one-to-many has-a relationship.GThe relationship between Movie and Actress is an example of an is-a relationship.