Network Services, Cloud Computing, and Virtualization Flashcards

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SMTP

Explanation: The Simple Mail Transfer Protocol (SMTP) is used đồ sộ transfer tin nhắn between servers.

Your company hosts its own trang web server, and it allows consumers đồ sộ make purchases via the server. The help line has been getting complaints that users are unable đồ sộ access the secure portion of the trang web. You open the site and it seems fine, although the secure portion where transactions are completed is inaccessible. What is the most likely cause?

You are configuring two tin nhắn servers on your company's network. Which network protocol bởi the servers use đồ sộ transfer mail đồ sộ each other?

You are installing a tệp tin server for the accounting department. Where should this tệp tin server be located on the network?

You have been asked đồ sộ phối up client-side virtualization on an office computer. The host OS is Windows 7, and there will be three Windows 7 guest OSs. Which of the following is true about the need for antivirus security?

Which of the following are services that a print server should provide?

Accepting print jobs from clients

Providing clients with the appropriate printer driver during installation

Explanation: Print servers should make printers available đồ sộ clients and accept print jobs. They also process print jobs and manage print priorities. Finally, they provide client computers with the right print drivers when the clients attempt đồ sộ install the printer.

You are installing a tệp tin server for the accounting department. Where should this tệp tin server be located on the network?

In the secure network

Explanation: If the data on the server does not need đồ sộ be accessed via the Internet, then the server should be in the most secure place possible, which is inside the firewall(s) in the secure network.

You are configuring two tin nhắn servers on your company's network. Which network protocol bởi the servers use đồ sộ transfer mail đồ sộ each other?

SMTP

Explanation: The Simple Mail Transfer Protocol (SMTP) is used đồ sộ transfer tin nhắn between servers.

What type of server is responsible for preventing users from accessing websites with objectionable content?

Proxy

Explanation: A proxy server can be configured đồ sộ block access đồ sộ websites that contain potentially dangerous or inflammatory material.

Your company hosts its own trang web server, and it allows consumers đồ sộ make purchases via the server. The help line has been getting complaints that users are unable đồ sộ access the secure portion of the trang web. You open the site and it seems fine, although the secure portion where transactions are completed is inaccessible. What is the most likely cause?

The firewall is blocking TCP port 443.

For secure transactions, the trang web server should be using HTTPS, which uses port 443. If non-secure portions of the trang web work, then the server is fine. It's most likely that the firewall is blocking inbound traffic on port 443.

When configuring a DNS server, which of the following must be created by the administrator?

Zone tệp tin

Explanation: DNS server records are contained in the zone tệp tin, which must be configured by administrators. A hosts tệp tin is an alternative đồ sộ using DNS (but does not work well when scaling đồ sộ the Internet). A scope is created on DHCP servers.

Which record type on a DNS server represents an IPv6 host?

AAAA

Explanation: The quad A record is used đồ sộ represent IPv6 hosts. IPv4 hosts need an A record. The CNAME record is used if one host has alias (multiple) names. MX is for a mail server.

You have been asked by your manager đồ sộ brief the group on security appliances. What is the difference between IDS and IPS?

IDS is passive, and IPS is active.

IDS devices are passive. They will detect, log, and perhaps send an alert, but that's it. An IPS can take active steps đồ sộ shut down an attack if it detects one. Both devices will monitor internal network traffic as well as incoming traffic.

You have been asked đồ sộ phối up client-side virtualization on an office computer. The host OS is Windows 7, and there will be three Windows 7 guest OSs. Which of the following is true about the need for antivirus security?

The host OS and each guest OS need their own antivirus software installed.

Each instance of the OS you are running requires its own security software.

Your manager wants you đồ sộ install a networked Internet appliance that prevents network traffic-based attacks and includes anti-malware and anti-spam software. What should you install?

UTM

It sounds lượt thích the manager wants a unified threat management (UTM) device. They are designed đồ sộ be one-stop network protection devices.

Your company wants đồ sộ move đồ sộ a cloud provider đồ sộ be able đồ sộ scale resources quickly, but it is concerned about the security of confidential information. Which of the following types of cloud models might be the most appropriate for your company?

Hybrid

A hybrid cloud provides the best of public and private clouds. This gives the great features of a public cloud while simultaneously allowing for the storage of more sensitive information on the private cloud.

What does a DHCP server need đồ sộ be configured with đồ sộ operate properly?

Scope

Every DHCP server needs đồ sộ have a scope, which is the range of addresses available đồ sộ clients, as well as other options that it can give đồ sộ client computers.

A computer using which of the following would be considered a legacy device? (Choose all that apply.)

A 386 processor

The IPX/SPX protocol

An application developed in 1983

Legacy systems are ones that use older hardware, software, or network protocols that are not commonly used today. A system with only 1GB RAM might be underpowered, but that in and of itself does not make it a legacy system.

Which cloud service provides network-based services through the cloud, including monitoring and QoS management?

NaaS

Network as a service (NaaS) provides network-based services through the cloud, including monitoring and Quality of Service (QoS) management.

Answer A is incorrect. Communications as a service (CaaS) is an outsourced enterprise communications solution that can be leased from a single vendor.

Answer B is incorrect. Desktop as a service (DaaS) is a size of virtual desktop infrastructure (VDI) in which the VDI is outsourced and handled by a third các buổi tiệc nhỏ.

You are setting up a cloud contract with a provider. Your team needs the ability đồ sộ increase capacity without intervention from the provider. What bởi you request?

On-demand self-service

The ability đồ sộ expand services without provider intervention is called on-demand self-service.