Host A opens a Telnet connection to Host B. Host A then opens another Telnet connection to Host B. These connections are the only communication between Host A and Host B. The security policy configuration permits both connections.How many sessions exist b

题目

Host A opens a Telnet connection to Host B. Host A then opens another Telnet connection to Host B. These connections are the only communication between Host A and Host B. The security policy configuration permits both connections.How many sessions exist between Host A and Host B?（）

A.1

B.2

C.3

D.4

相似考题

1.A Windows Communication Foundation (WCF) service is self-hosted in a console application. The service implements the IDataAccess contract, which is defined in the MyApplication namespace. The service is implemented in a class named DataAccessService which implements the IDataAccess interface and also is defined in the MyApplication namespace. The hosting code is as follows. (Line numbers are included for reference only.)01 static void Main(string[] args)02 {03 ServiceHost host;04 ...05 host.Open();06 Console.ReadLine();07 host.Close();08 }You need to create a ServiceHost instance and assign it to the host variable. You also need to instantiate the service host.Which line of code should you insert at line 04?（）A. host = new ServiceHost("MyApplication.DataAccessService");B. host = new ServiceHost("MyApplication.DataAccess");C. host = new ServiceHost(typeof(IDataAccess));D. host = new ServiceHost(typeof(DataAccessService));

2.You want to test a configured screen value prior to deploying.Which statement will allow you to accomplish this?()A. [edit security screen] user@host# show ids-option untrust-screen { alarm-test-only; }B. [edit security screen] user@host# show ids-option untrust-screen { alarm-without-drop; }C. [edit security screen] user@host# show ids-option untrust-screen { alarm-no-drop; }D. [edit security screen] user@host# show ids-option untrust-screen { test-without-drop; }

3.Which naming convention is used by Juniper Routers when archiving their configurations to a remote server?()A.yyyymmdd_HHMMSS_host-name_juniper.conf.gzB.host-name_juniper.conf.gz_yyyymmdd_HHMMSSC.yyyymmdd_HHMMSS_host-name_juniper.confD.host-name_juniper.conf_yyyymmdd_HHMMSS

4.Click the Exhibit button.A network administrator receives complaints that the application voicecube is timing out after being idle for 30 minutes.Referring to the exhibit, what is a resolution?()A. [edit] user@host# set applications application voicecube inactivity-timeout neverB. [edit] user@host# set applications application voicecube inactivity-timeout 2C. [edit] user@host# set applications application voicecube destination-port 5060D. [edit] user@host# set security policies from-zone trust to-zone trust policy intrazone then timeout never

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    Whichisthemaindifferencebetweenhost－basedandnetwork－basedintrusionprevention?()

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    B.Network-basedIPScanprovideprotectiontodesktopsandserverswithouttheneedofinstalling specializedsoftwareontheendhostsandservers.

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    D.Host-basedIPSdeploymentrequireslessplanningthannetwork-basedIPS.


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    Host1正在试图和Host2联系。RouterC的e0接口是down的,以下选项正确的是?()

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  • 第6题：

    启动WCF的MyService服务器正确方法是

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    Intent i=new Intent()
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