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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 filter

题目
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.

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相似问题和答案

第1题:

You work as a network Exchange administrator at Company.com.The Company.com network currently consists of an internal network and perimeter network.The Company.com organization makes use of Microsoft Exchange Server 2010 as their messaging solution.Company.com has recently deployed a new server to the perimeter network which runs Microsoft Windows Server 2008 R2.During the course of the business week you receive instruction from Company.com to install the Microsoft Exchange Server Edge Transport server role on the server in the perimeter network. What should you do?()

  • A、You should consider having the ImportEdgeConfig.ps1 script run on the existing Exchange Server 2010 server.
  • B、You should consider having TCP port 88 and TCP port 3268 opened on the firewall between the perimeter network and the internal network.
  • C、You should consider having the new server joined to an Active Directory domain.
  • D、You should consider having the Active Directory Lightweight Directory Services installed on the new server in the perimeter network.

正确答案:D

第2题:

You work as a network Exchange administrator at Company.com.The Company.com network currently consists of a single Active Directory forest containing a single domain named Company.com.The Company.com organization makes use of Microsoft Exchange Server 2010 as their messaging solution.During the course of the day a network user named Mia Hamm reports that certain meetings are missing from her calendar.Company.com requested that you recover the missing calendar items for Mia Hamm whilst ensuring your solution recovers the missing items automatically.What should you do?()

  • A、You should consider having the Set-MailboxCalendarConfiguration cmdlet run.
  • B、You should consider having the schedule set for the Calendar Repair Assistant (CRA).
  • C、You should consider having a Sharing policy created and configured.
  • D、You should consider having the schedule set for the Managed Folder Assistant.

正确答案:B

第3题:

You have a computer that runs Windows Vista. You create a virtual private network (VPN) connection between the computer and your company’s network.You notice that while the computer is connected through the VPN connection, users on the company network can access shared folders on the computer.You need to prevent network users from accessing your shared folders when you are connected to the company’s network by using the VPN connection.What should you do?()

A.A

B.B

C.C

D.D


参考答案:C

第4题:

You work as a network exchange administrator at company.com.the company.com network currently consists of a single active directory forest containing a single domain named company.com.the company.com organization makes use of microsoft exchange server 2010 as their messaging solution.company.com has recently acquired a new internet domain name from the internet service provider (isp).during the course of the business week you receive instruction from company.com to ensure that all the network users are able to send and receive e-mail messages sent to the newly acquired domain name. What should you do?()

  • A、you should consider having an accepted domain and an e-mail address policy created.
  • B、you should consider having the properties of the default receive connector modified.
  • C、you should consider having an accepted domain and a sharing policy created.
  • D、you should consider having a remote domain and an e-mail address policy created.

正确答案:A

第5题:

You are the administrator of your company’s network. You run the English (US) edition of Windows 2000 Professional on all computers in your network. As your company continues to grow, and the number of computers is continually expanding, you decide that another domain is needed. Management asks you about what is required to accommodate this new domain. What should you answer the Management in this regard? ()

  • A、WINS, DHCP and DNS
  • B、At least one domain controller and one DNS server.
  • C、At least one domain controller, Active Directory and DNS server.
  • D、Nothing more is needed.
  • E、Nothing more is needed, we can just subnet the network.

正确答案:C

第6题:

You work as a network administrator in your company. Communication inside the company is ensured by network environments, such as GET VPN, Dynamic Multipoint VPN and Ethernet. Which PIN architecture is applicable in those environments?()

  • A、Campus
  • B、Teleworker
  • C、Branch
  • D、Data center

正确答案:C

第7题:

You work as a network Exchange administrator at Company.com.The Company.com network currently consists of a single Active Directory forest containing a single domain named Company.com.The Company.com organization makes use of Microsoft Exchange Server 2010 as their messaging solution.During the course of the business week you receive instruction from Company.com to ensure that a newly created room mailbox automatically accepts meeting requests.What should you do?()

  • A、You should consider having a managed folder mailbox policy assigned.
  • B、You should consider having the resource booking attendant enabled.
  • C、You should consider having the mailbox permissions modified.
  • D、You should consider having the moderation for the mailbox enabled.

正确答案:B

第8题:

You work as a network administrator in your company. Communication inside the company is ensured by network environments, such as GET VPN, Dynamic Multipoint VPN and Ethernet.Which PIN architecture is applicable in those environments?()

A.Campus

B.Teleworker

C.Branch

D.Data center


参考答案:C

第9题:

You work as a network Exchange administrator at Company.com.The Company.com network currently consists of a single Active Directory forest containing a single domain named Company.com.The Company.com organization makes use of Microsoft Exchange Server 2010 as their messaging solution.Company.com has recently acquired a new Internet domain name from the Service Provider (SP).During the course of the business week you receive instruction from Company.com to ensure that allthe network users are able to send and receive e-mail messages sent to the newly acquired domain name. What should you do?()

  • A、You should consider having an accepted domain created.
  • B、You should consider having an e-mail address policy created.
  • C、You should consider having the properties of the default Receive connector modified.
  • D、You should consider having a sharing policy created.
  • E、You should consider having a remote domain created.

正确答案:A,B

第10题:

You work as a network Exchange administrator at Company.com.The Company.com network currently consists of a single Active Directory forest containing a single domain named Company.com.The Company.com organization makes use of Microsoft Exchange Server 2010 as their messaging solution.During the course of the business week you receive instruction from Company.com to prevent the network users from accessing public folder using Outlook Web App (OWA) whilst ensuring you solution prevents the users using Office Outlook to access public folders.What should you do?()

  • A、You should consider having the default Outlook Web App Mailbox policy modified.
  • B、You should consider having the properties of the public folder database modified.
  • C、You should consider having a managed folder mailbox policy created.
  • D、You should consider having the properties of the OWA virtual directory modified.

正确答案:A,D

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