LO3 review quiz

What are 2 key features of a Storage Area Network (SAN)?

• It uses a single central cable to connect devices.

• It provides high-speed, dedicated storage for networked devices.

• Effective utilisation of disks

• It is only suitable for small networks.

Which of the following are 2 advantages of using a SAN?

• It is inexpensive to set up.

• It improves reliability by centralising storage.

• It requires no technical expertise to manage.

• High degree of resilience to disk failure.

What is a disadvantage of a SAN?

• It is limited by cable length.

• It is expensive to set up and maintain.

• It cannot be scaled.

• It is only suitable for wireless networks.

In a bus topology, how are devices connected?

• Through a high-speed network separate from regular data traffic.

• Using a single central cable (or bus).

• Via wireless connections.

• Through individual cables to a central hub.

What are 2 advantages of a bus topology?

• Easy to add more devices.

• It is easy and cheap to install.

• It provides high-speed data access no matter how many devices added.

• It requires no cabling.

Which of the following are disadvantage of a bus topology? (pick 3).

• Every device on network 'sees' data which is a security risk

• If cable fails the whole network fails

• It is limited by cable length and number of devices.

• It is easy to install.

• Easy to add extra devices.

What is a common use for bus topology?

• Large corporate networks.

• Smaller networks or older setups.

• Wireless networks.

• High-speed data centres.

How does a SAN connect to servers?

• Via a single central cable.

• Through a high-speed network, separate from regular data traffic.

• Using wireless connections.

• Directly through USB cables.

What is a benefit of centralising storage in a SAN?

• It makes it easier to back up and recover data.

• It reduces the need for technical expertise.

• It eliminates the need for cabling.

• It decreases data access speed.

Which of the following is NOT a feature of a SAN?

• Provides high-speed, dedicated storage.

• Connects to servers via a high-speed network.

• Uses a single central cable for all devices.

• Allows data to be stored and accessed by multiple servers.