网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC. If a reply is received, what does this confirm（）。
- A、The PC has connectivity with a local host.
- B、The PC has connectivity with a Layer 3 device.
- C、The PC has a default gateway correctly configured.
- D、The PC has connectivity up to Layer 5 of the OSI model.
- E、The PC has the TCP/IP protocol stack correctly installed.
参考答案
更多 “An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC. If a reply is received, what does this confirm（）。A、The PC has connectivity with a local host.B、The PC has connectivity with a Layer 3 device.C、The PC has a default gateway correctly configured.D、The PC has connectivity up to Layer 5 of the OSI model.E、The PC has the TCP/IP protocol stack correctly installed.” 相关考题
考题
An administrator is experiencing availability issues on a Linux server. The administrator decides tocheck the server for an IP address conflict on the server. Which of the following commands should the administrator use?（）A.tracerouteB.tracertC.ifconfigD.ipconfig
考题
Users are reporting that they are still experiencing network issues even though a fix was recentlyapplied. Which of the following troubleshooting methodology steps is the administrator using?()
A. Escalating the problemB. Testing the solution and identifying the effectsC. Continuing to gather information about the same symptomsD. Documenting the solution and the entire process
考题
The Ezonexam network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test? (Choose two)A．ARPB．CDPC．DHCPD．DNSE．ICMP
考题
在Oracle中,下面哪条语句当COMM字段为空时显示0,不为空时显示COMM的值()。
A.select ename,nvl（comm.,0）from empB.select ename,null（comm.,0）from empC.SELECT ename,NULLIF（comm,0）FROM empD.SELECT ename,DECODE（comm.,NULL,0）FROM emp
考题
A network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test?()
A.ARPB.CDPC.DHCPD.DNSE.ICMP
考题
An administrator is troubleshooting wireless connectivity issues at a client’s office and discoversthat the machine loses connectivity when the wireless phone is being used. Which of the following WAPS should be installed to help resolve the issue?（）A、802.1 1gB、802.1XC、802.11nD、802.11b
考题
A network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test? （）A、ARPB、CDPC、DHCPD、DNSE、ICMP
考题
An administrator has purchased monitoring software that can be configured to send alerts when hardware and applications are having issues. Which of the following must be installed on the monitoring server so that it can properly monitor details on vendor specific devices？（）A、 MIBsB、 SMTPC、 WMID、 DHCP
考题
An administrator has purchased monitoring software that can be configured to alert administrators when hardware and applications are having issues. All devices are configured with SNMP， but the administrator wants to further secure the SNMP traffic. Which of the following settings would BEST provide additional monitoring security？（）A、Setting up a custom community nameB、Configuring the network to block traffic on port 161C、Configuring the Windows Firewall to block port 161D、Setting SNMP to read only on the devicesE、Installing new MIBs
考题
An administrator is troubleshooting issues on an application server.After a root cause analysis，the administrator has determined that there were some unauthorized logins to the server.Which of the following locations would BEST help to determine details about the unauthorized logins？（）A、Active DirectoryB、DHCP logsC、Security logsD、System logs
考题
An administrator has just installed a web server for the companys Internet site. After bringing the system online， customers notify the administrator that they cannot connect to the server. The administrator tests the web server from a workstation and can access the website. The customers continue to report issues. Which of the following is the MOST likely reason for this？（）A、 The servers firewall is misconfigured.B、 The server’s timeout feature is set incorrectly.C、 The web server was not installed properly.D、 The company firewall is misconfigured.
考题
An administrator is experiencing availability issues on a Linux server. The administrator decides tocheck the server for an IP address conflict on the server. Which of the following commands should the administrator use?（）A、tracerouteB、tracertC、ifconfigD、ipconfig
考题
A workstation is having connectivity issues when being added to the domain. Which of the following commands would allow the administrator to see the DNS and WINS servers that are currently configured for the workstation?（）A、IpconfigB、NslookupC、NetstatD、Nbtstat
考题
An administrator needs to explain to management why updates are needed for the server. Which of the following is the BEST explanation to give？（）A、The updates guarantee that the server will work smoothly.B、The updates show management that IT is working diligently.C、The updates address driver and security issues.D、The updates are needed to allow the system monitoring agents to connect to the system.
考题
当音频控制板工作于“ALT”（备用）方式时，VHFCOMM如何工作？（）A、机长工作于VHF COMM—1B、副驾驶工作于VHF COMM—1C、观察员工作于VHF COMM—2D、无变化
考题
单选题An administrator is troubleshooting wireless connectivity issues at a client’s office and discoversthat the machine loses connectivity when the wireless phone is being used. Which of the following WAPS should be installed to help resolve the issue?（）A
802.1 1gB
802.1XC
802.11nD
802.11b
考题
单选题Web users are reporting issues downloading various types of media. Which of the following shouldthe administrator do FIRST?（）A
Find out what has recently changed on the networkB
Create an action plan and solution identifying potential effects.C
Continue to gather information and see what other problems may exist.D
Determine the most probable cause.
考题
单选题查询出EMP表中COMM字段为空的记录（）A
select * from emp where comm='';B
select * from emp where comm=null;C
select * from emp where nvl(comm)=0;D
select * from emp where comm is null;E
select * from emp where nvl(comm,0)=0;
考题
单选题An administrator has just installed a web server for the company's Internet site. After bringing the system online, customers notify the administrator that they cannot connect to the server. The administrator tests the web server from a workstation and can access the website. The customers continue to report issues. Which of the following is the MOST likely reason for this?（）A
The server's firewall is misconfigured.B
The server's timeout feature is set incorrectly.C
The web server was not installed properly.D
The company firewall is misconfigured.
考题
单选题A network administrator repeatedly receives support calls about network issues. After investigating the issues, the administrator finds that the source NAT pool is running out of addresses.To be notified that the pool is close to exhaustion, what should the administrator configure?（）A
Use the pool-utilization-alarm raise-threshold under the security nat source stanza.B
Use a trap-group with a category of services under the SNMP stanza.C
Use an external script that will run a show command on the SRX Series device to see when the pool is close to exhaustion.D
Configure a syslog message to trigger a notification when the pool is close to exhaustion.
考题
单选题An administrator has purchased monitoring software that can be configured to send alerts when hardware and applications are having issues. Which of the following must be installed on the monitoring server so that it can properly monitor details on vendor specific devices？（）A
MIBsB
SMTPC
WMID
DHCP
考题
单选题在Oracle中，下面哪条语句当COMM字段为空时显示0，不为空时显示COMM的值（）。A
select ename,nvl（comm.,0）from empB
select ename,null（comm.,0）from empC
SELECT ename,NULLIF（comm,0）FROM empD
SELECT ename,DECODE（comm.,NULL,0）FROM emp
考题
多选题An administrator has purchased monitoring software that can be configured to alert administrators when hardware and applications are having issues. All devices are configured with SNMP, but the administrator wants to further secure the SNMP traffic. Which of the following settings would BEST provide additional monitoring security?（）ASetting up a custom community nameBConfiguring the network to block traffic on port 161CConfiguring the Windows Firewall to block port 161DSetting SNMP to read only on the devicesEInstalling new MIBs
考题
单选题Users are reporting that they are still experiencing network issues even though a fix was recentlyapplied. Which of the following troubleshooting methodology steps is the administrator using?（）A
Escalating the problemB
Testing the solution and identifying the effectsC
Continuing to gather information about the same symptomsD
Documenting the solution and the entire process
热门标签
最新试卷
