An email server has been installed; however, the staff reports that they are unable to receive email from external email addresses, but they can email each other.  Which of the following is the MOST likely reason for this?()A、 The company firewall is blo

题目

An email server has been installed; however, the staff reports that they are unable to receive email from external email addresses, but they can email each other.  Which of the following is the MOST likely reason for this?()

  • A、 The company firewall is blocking SMTP ports.
  • B、 The DHCP server is misconfigured.
  • C、 The DNS server is only resolving internal name spaces.
  • D、 The email server should be configured to resolve names by IP addresses.

相似考题
更多“An email server ”相关问题
  • 第1题:

    按照是否将Email营销资源用于为其他企业提供服务,Email营销可分为()

    • A、内部Email营销和外部Email营销
    • B、经营型Email营销和非经营型Email营销
    • C、顾客关系Email营销和顾客服务Email营销
    • D、临时性的Email营销和长期Email营销

    正确答案:B

  • 第2题:

    For security reasons a network technician wants to install a Linux based email server, Microsoft web services, and directory services on different servers. Which of the following technologies would be BEST to reduce hard ware costs?()

    • A、VPN concentrator
    • B、Virtual servers
    • C、Wireless
    • D、Multimode fiber

    正确答案:B

  • 第3题:

    An administrator receives a call from a user who is unable to receive email. After checking the workstation and email settings the administrator is still not able to determine the problem.  Which of thefollowing is the NEXT step that the administrator should take? ()

    • A、 Create an action plan.
    • B、 Escalate the issue.
    • C、 Reboot the mail server.
    • D、 Document the solution.

    正确答案:B

  • 第4题:

    An administrator gets a call that multiple users do not have network access to the company server that they have been using for five years. Users can access the other servers and computers in the building and check their home email accounts. The administrator tests the server’s Ethernet cable,verifies it works, and plugs it back into the NIC only to receive no status lights.  Which of the following BEST indicates the problem?()

    • A、The DNS server is down.
    • B、The NIC driver on the server is malfunctioning.
    • C、The DHCP server is down.
    • D、The server’s NIC is malfunctioning.

    正确答案:D

  • 第5题:

    A 4-way x445 server with 2GB of memory running Windows 2003 Server with Exchange 2003 is performing poorly.  Users are complaining of slow response times when accessing their email.  Which subsystem should be checked first as a potential bottleneck?()

    • A、Processors
    • B、Memory subsystem
    • C、Storage subsystem
    • D、Network connectivity

    正确答案:B

  • 第6题:

    Cer-tech .com has a Windows Server 2008 server named S1. You have installed Web Server (IIS) serverrole on S1. The server has an SMTP gateway that connects to the internet. You have an internal firewallinstalled on the network which prevents all client machines from establishing a connection to the internetexcept the SMTP gateway over TCP port 25.You configure the SMTP gateway to relay e-mail for S1. What should you do to configure a website on S1 to send email to internet users?()

    • A、Install and configure SMTP server feature on S1
    • B、Configure the SMTP email feature for the website on S1
    • C、Create a DNS server on S1 and configure the SMTP mail service
    • D、Create an MX record for the SMTP gateway on an internal DNS server
    • E、None of the above

    正确答案:B

  • 第7题:

    按照Email营销的应用方式,Email营销可以分为()

    • A、非经营性Email营销
    • B、顾客服务Email营销
    • C、在线调查Email营销
    • D、经营性Email营销

    正确答案:A,D

  • 第8题:

    单选题
    An administrator gets a call that multiple users do not have network access to the company server that they have been using for five years. Users can access the other servers and computers in the building and check their home email accounts. The administrator tests the server’s Ethernet cable,verifies it works, and plugs it back into the NIC only to receive no status lights.  Which of the following BEST indicates the problem?()
    A

    The DNS server is down.

    B

    The NIC driver on the server is malfunctioning.

    C

    The DHCP server is down.

    D

    The server’s NIC is malfunctioning.


    正确答案: C
    解析: 暂无解析

  • 第9题:

    单选题
    按照是否将Email营销资源用于为其他企业提供服务,Email营销可分为()
    A

    内部Email营销和外部Email营销

    B

    经营型Email营销和非经营型Email营销

    C

    顾客关系Email营销和顾客服务Email营销

    D

    临时性的Email营销和长期Email营销


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    You manage a server that runs Windows Server 2008. You have installed the Windows SharePointServices (WSS) server role on the server. The server is configured to accept incoming mail. Tostreamline the process, you create a new document library. You have to make sure that any user can sendemail to the document library. What should you do to achieve this task?()
    A

    Change the incoming email settings for the document library

    B

    Enable basic user authentication for the document library

    C

    Modify the document library settings to accept emails from SMTP servers

    D

    Change the permissions for the document library


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    变量$email=user@example.com,以下哪项能得到字符串example.com?()
    A

    substr($email,strpos($email,‘@’));

    B

    strstr($email,‘@’);

    C

    substr($email,strpos($email,‘@’)+1);

    D

    strrpos($email,‘@’);


    正确答案: C
    解析: 暂无解析

  • 第12题:

    多选题
    You are the network administrator of a medium-sized company, and users are complaining that they cannot send emails to some organizations. During your troubleshooting, you notice that your DNS MX record is blacklisted by several public blacklist filters. After clearing these listings for your IP address, and assuming that your email server has the right virus protection in place, what are two possible solutions to prevent this from happening in the future?()
    A

    Change your Internet provider.

    B

    Change your public IP address.

    C

    Allow the email server to send traffic only to TCP port 25.

    D

    Put your email server in a DMZ.

    E

    Use a separate public IP address for your email server only.


    正确答案: E,A
    解析: 暂无解析

  • 第13题:

    ENUM的查询采用Client-Server的方式进行,Client端可以驻留在()增值应用平台上。

    • A、MMSC
    • B、WAPGW
    • C、SMGW
    • D、Email系统

    正确答案:A,B,C,D

  • 第14题:

    Which of the following is the FIRST thing to consider when designing an email retention policy?()

    • A、 Local laws and industry regulations
    • B、 Company policies and guidelines
    • C、 Project guidelines given by stakeholders
    • D、 Mail server and backup capacity

    正确答案:A

  • 第15题:

    Which of the following will MOST likely cause major performance issues on an email server?()

    • A、 RAID 0 configuration
    • B、 PBX software
    • C、 DHCP server
    • D、 Anti-virus software

    正确答案:D

  • 第16题:

    A customer needs a new database server.  Their third-party application requires Microsoft SQL Server.  They have 100 users who will login to the network and store their data files on the network server.  They will also require the server to be an email server and to deploy a central antivirus solution.  Which of the following network operating systems would satisfy these requirements?()

    • A、SuSE Linux Enterprise 9
    • B、Red Hat Linux Advanced Server 3
    • C、Microsoft Windows 2003 Server Web Edition
    • D、Microsoft Windows 2003 Server Standard Edition

    正确答案:D

  • 第17题:

    BlingbyAlex.com was known several years ago by the name AlexBling.com.At times, the sales staff still receives orders from clients at the AlexBling.com address.Both names are owned by the company.After you successfully deploy an Exchange 2010 server configuration, which includes two Hub Transport servers, the sales staff informs you that they are no longer able to receive mail at the AlexBling.com address.What should you do so that they can receive email from both domains?()

    • A、On the Hub Transport server, use the New Accepted Domain Wizard to add AlexBling.com.
    • B、On the Mailbox server, use the New Accepted Domain Wizard to add AlexBling.com.
    • C、Use Active Directory to add an email alias to each user’s account for AlexBling.com.
    • D、On the Client Access server, use the New Accepted Domain Wizard to add AlexBling.com.

    正确答案:A

  • 第18题:

    按照Email营销的功能分类,Email营销可以分为()

    • A、顾客关系Email营销
    • B、顾客服务Email营销
    • C、在线调查Email营销
    • D、产品促销Email营销

    正确答案:A,B,C,D

  • 第19题:

    单选题
    查询student表中的所有非空email信息,以下语句正确的是()。
    A

    Select email from student where email !=null

    B

    Select email from student where email not is null

    C

    Select email from student where email<>null

    D

    Select email from student where email is no tnull


    正确答案: A
    解析: 暂无解析

  • 第20题:

    多选题
    按照Email营销的功能分类,Email营销可以分为()
    A

    顾客关系Email营销

    B

    顾客服务Email营销

    C

    在线调查Email营销

    D

    产品促销Email营销


    正确答案: B,A
    解析: 暂无解析

  • 第21题:

    单选题
    An email server has been installed; however, the staff reports that they are unable to receive email from external email addresses, but they can email each other.  Which of the following is the MOST likely reason for this?()
    A

     The company firewall is blocking SMTP ports.

    B

     The DHCP server is misconfigured.

    C

     The DNS server is only resolving internal name spaces.

    D

     The email server should be configured to resolve names by IP addresses.


    正确答案: C
    解析: 暂无解析

  • 第22题:

    单选题
    Which of the following is the FIRST thing to consider when designing an email retention policy?()
    A

     Local laws and industry regulations

    B

     Company policies and guidelines

    C

     Project guidelines given by stakeholders

    D

     Mail server and backup capacity


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    An administrator receives a call from a user who is unable to receive email. After checking the workstation and email settings the administrator is still not able to determine the problem.  Which of thefollowing is the NEXT step that the administrator should take? ()
    A

     Create an action plan.

    B

     Escalate the issue.

    C

     Reboot the mail server.

    D

     Document the solution.


    正确答案: A
    解析: 暂无解析