Chapter 2 - Quiz

Which cloud concept makes networks more agile by separating the forwarding of network packets from the logical decision-making process? A. SDS B. DNS C. SDN D. CDN

C. SDN makes networks more agile and flexible by separating the forwarding of network packets (the infrastructure layer) from the logical decision-making process (the control layer). SDS separates the physical storage of data from the logical data storage controller. DNS resolves host names to IP addresses. A CDN is like load balancing for web content.

Your company is migrating its network storage to a cloud-based solution. Which of the following are most likely to be the least expensive storage options? (Choose two.) A. Cold B. Hot C. Tape D. Warm

A, C. Cold storage and tapes are likely to be the least expensive, because neither are designed to be online for quick and immediate access. Hot storage will be the most expensive. Warm storage will be somewhere in between hot and cold.

Your company needs to upload a large, offline backup archive to the new cloud service. What type of storage is best for this archive in the cloud? A. Object B. File C. Block D. Hot

A. Object storage is the best solution for large archives that do not need to be modified often. File storage is for smaller storage solutions and individual computers. Block storage is good for databases. Hot storage is more expensive than cold storage and is not recommended for archives that do not need frequent access.

The cost for your cloud storage keeps growing, and you need to find ways to reduce those costs. Which of the following can help you do that? (Choose two.) A. Compression B. Deduplication C. Capacity on demand D. Object storage E. Block storage

A, B. Compression and deduplication are technologies that save space by reducing redundancy within files or between files. They can both reduce the needed storage space and help lower costs. Capacity on demand means that you can get additional storage space as needed. Object and block storage do not inherently help you save space and reduce costs.

A CSP is configuring access to your cloud-hosted web server. Which of the following services will help users locate your web server on the Internet? A. SDN B. DNS C. SDS D. CDN

B. Domain Name System (DNS) resolves host names to IP addresses; it's what will help end users locate your web server. Software-defined networking (SDN) abstracts network hardware in the cloud. Software-defined storage (SDS) allows for the virtualization of cloud storage solutions. A content delivery network (CDN) is loadbalancing for websites.

Your company's in-house data center has a small storage area network that will be migrated to the cloud. Which of the following cloud storage types is most likely to resemble the way data is stored in the SAN? A. Load balanced B. Block storage C. File storage D. Object storage

B. Most SANs use block storage to store data. Block storage is also commonly used for databases and by VMMs. Load balancing spreads work around to multiple servers. File storage is used for small-scale storage, such as on PCs. Object storage is for unstructured data.

You are moving your company's network to the cloud. Network administrators want to know if they can still manage Linux- and Windows-based servers. Which of the following are designed specifically for these tasks? (Choose two.) A. HTTPS B. VPN C. SSH D. RDP

C, D. The SSH protocol is used to remotely access a Linux-based server, and RDP is used to access Windows-based servers. HTTPS is used in conjunction with a web browser to securely access cloud resources. A VPN is used to create a secure point-to-point connection over an unsecure network, such as the Internet.

Your company just signed up with a new CSP and needs to upload a large customer information database to the cloud. Once it's uploaded, employees will continue to access and update the database. Which storage type is recommended? A. Object B. File C. Block D. Cold

C. Block storage is the best option for databases. Object storage is great for unstructured data or large archives that don't need to be accessed frequently. File storage is good for PCs. Cold storage would not be appropriate, because it has longer latency times to access and update data.

You need to have multiple users connect simultaneously to cloud resources through a single connection. Which two options allow this type of configuration? (Choose two.) A. RDP B. SSH C. HTTPS D. VPN E. Direct connect

D, E. A VPN can be used to set up a point-to-point connection between a corporate network and a CSP. Direct connect means directly connecting the client's internal network to the CSP's network. Both allow multiple users to use the connection simultaneously. RDP, SSH, and HTTPS are for single-user connections only.

Which cloud technology makes use of an edge server? A. SDS B. DNS C. SDN D. CDN

D. A CDN is like load balancing for web content. It uses edge servers to replicate data that's on the web server, serving the data to users closer to the edge server than to the web server. SDS separates the physical storage of data from the logical control over drive configuration, independent of the underlying hardware. This means storage volumes can be created from multiple physical devices. DNS resolves host names to IP addresses. SDN makes networks more agile and flexible by separating the forwarding of network packets (the infrastructure layer) from the logical decision-making process (the control layer).

A network administrator tells you that he needs to create a DMZ in the cloud. Which of the following cloud-based services will help him do this? A. SDN B. Load balancer C. DNS D. Firewall

D. A firewall is a hardware or software solution that serves as a network's security guard. It's also what lets you create a demilitarized zone (DMZ), which is a semi-public, semiprivate network. SDN abstracts the networking hardware and separates routing from routing logic. A load balancer spreads work among servers. DNS resolves host names to IP addresses.

Which of the following protocols is used with a web browser to securely access cloud storage? A. RDP B. SSH C. HTTP D. HTTPS

D. The Hypertext Transfer Protocol Secure (HTTPS) is used in conjunction with a web browser to access cloud resources. Remote Desktop Protocol is used to remotely access a Windows-based computer, and SSH is used to remotely access a Linux-based one. Hypertext Transfer Protocol (HTTP) is not secure.

Which of the following technologies is used to create a secure point-to-point tunneled connection over the Internet? A. VPN B. RDP C. SSH D. HTTPS

A. A virtual private network (VPN) is a secure point-to-point tunnel over a public network such as the Internet. RDP is used to access Windows-based servers. The SSH protocol is used to remotely access a Linux-based server. HTTPS is used in conjunction with a web browser to securely access cloud resources.

Your company has 500 users who need access to cloud resources during all working hours. Due to the nature of their work, there can be little to no latency. Which connectivity type is the best choice? A. Direct connect B. VPN C. HTTPS D. RDP

A. Direct connect is used to provide a physical connection between your company's on-site network and the CSP's network. It's the best connectivity option for a large number of users. A VPN can also work for a large number of users, but it will use the Internet as its connection medium, so it will be a little slower than direct connect. HTTPS is for single users to access cloud resources using their web browsers. RDP is for a user to remotely access a Windows-based server.

Which of the following technologies lets a cloud provider create one logical storage volume from multiple physical storage devices? A. SDS B. DNS C. SDN D. CDN

A. Software-defined storage separates the physical storage of data from the logical control over drive configuration, independent of the underlying hardware. This means storage volumes can be created from multiple physical devices. DNS resolves host names to IP addresses. SDN makes networks more agile and flexible by separating the forwarding of network packets (the infrastructure layer) from the logical decision-making process (the control layer). A CDN is like load balancing for web content.

A network administrator needs to remotely log into a cloud-based Linux server to perform some administrative tasks. Which access method should she use? A. RDP B. SSH C. Direct connect D. HTTPS

B. The Secure Shell (SSH) protocol is used to remotely access a Linux-based server. Remote Desktop Protocol (RDP) is used to access Windows-based servers. Direct connect is for a company to directly connect its network to the CSP's network. HTTPS is used in conjunction with a web browser to access cloud resources.

The global sales team needs to ensure that all regional teams have quick access to the same selling materials, including sizzle videos and PDFs with pricing. Which of the following should be implemented to enable this? A. SDS B. CDN C. DNS D. SDN

B. The sales team needs a CDN to ensure quick access to the same materials globally. SDS allows for the virtualization of cloud storage solutions. DNS resolves host names to IP addresses. SDN abstracts network hardware in the cloud.

Which of the following cloud storage types is designed to provide the fastest access to data and will be more expensive per gigabyte than other options? A. Block B. Object C. Hot D. Cold

C. Hot storage is designed to be readily accessible at all times. It is more expensive than cold storage, but access time is much faster. Block and object are storage types. Block will be a little faster for structured data, and object storage is better for unstructured data. One won't necessarily be more expensive per gigabyte than the other.

You are migrating to the cloud. Which solution should you use to handle spikes in the need for compute resources? A. DNS B. Firewall C. SDN D. Load balancing

D. A load balancer is designed to spread work among multiple computers in order to maintain or improve performance. It's also scalable and can handle spikes in network traffic. DNS resolves host names to IP addresses. A firewall is the network or computer's security device. SDN abstracts the cloud networking hardware.

You are negotiating cloud services with a CSP. You need to ensure that your organization can get more storage space without CSP intervention. Which service do you need? A. Software-defined storage B. Software-defined networking C. Content delivery network D. Capacity on demand

D. Capacity on demand allows clients to get extra storage space instantaneously, or at least very quickly. SDS separates the physical storage of data from the logical data storage controller. SDN makes networks more agile and flexible by separating the forwarding of network packets (the infrastructure layer) from the logical decision-making process (the control layer). A CDN is like load balancing for web content.