Which two statements are true regarding firewall user authentication?() (Choose two.)A. When configured for pass-through firewall user authentication, the user must first open a connection to the Junos security remote network resource.B. When configured f

下列复选框构造方法，错误的是()。

A．setLayout(newGridLayout(3,1));

B．add(newCheckbox("one",null,true));

C．add(newCheckbox("tWO");

D．add(newCheckbox("one",true);

以下程序段的输出结果为( )。 int j=2 switch (j){ Case 2： system.out.print("two.")： Case 2+1： System.out.println("three.")； break： default: System.out.println (“value is”+j): Break }A.B.two

A．two.three.

B．two

C．three

D．value is 2

A.ping

B.Telnet

C.FTP

D.TCP

E.IP

Giventheconfigurationshownintheexhibit，whichconfigurationobjectwouldbeusedtoassociatebothNancyandWalterwithfirewalluserauthenticationwithinasecuritypolicy？（）profileftp-users{clientnancy{firewall-user{password"$9$lJ8vLNdVYZUHKMi.PfzFcyrvX7"；SECRET-DATA}}clientwalter{firewall-user{password"$9$a1UqfTQnApB36pBREKv4aJUk.5QF"；SECRET-DATA}}session-options{client-groupftp-group；}}firewall-authentication{pass-through{default-profileftp-users；ftp{banner{login"JUNOSRocks!"；}}}}

A.ftp-group

B.ftp-users

C.firewall-user

D.nancyandwalter

CiscoNX-OSSoftwaresupportsSNMPv1，SNMPv2c，andSNMPv3.BothSNMPv1andSNMPv2cuseacommunity-basedformofsecurity.SNMPv3providessecureaccesstodevicesbyacombinationofauthenticatingandencryptingframesoverthenetwork.WhichsecurityfeaturesareprovidedinCiscoNX-OSSNMPv3？（）

A.encryption—scramblesthepacketcontentstopreventthemfrombeingseenbyunauthorizedsources

B.password—apassword（communitystring）sentincleartextbetweenamanagerandagentforaddedprotection

C.authentication—determinesthatthemessageisfromavalidsource

D.messageintegrity—ensuresthatapackethasnotbeentamperedwithwhileitwasintransit

E.user—todetermineifuserauthenticationisusedinsteadofcommunitystrings