Server Hardware

Question 1

Data center equipment racks are normally how wide?

Answer 1

19 inches.

Question 2

Which unit of measurement is used for racks and rack-mounted devices?

Answer 2

U measure.

Question 3

Which tem describes the chassis housing multiple blade servers?

Answer 3

Blade enclosure.

Question 4

Which firmware standard supports the Secure Boot feature?

Answer 4

UEFI.

Question 5

Larry, a server technician, is attempting to start the Linux operating system on a blade server but keeps getting “Access Denied” messages. What should Larry do?

Answer 5

Disable UEFI Secure Boot.

Question 6

You are ordering server hardware that will run mathematically intensive engineering applications. Which server component can help the most in speeding up processing time?

Answer 6

L1 cache.

Question 7

A newly installed tower server will function as a packet-filtering firewall. Currently, the server has three NICs, each connected to separate VLANs. A fourth NIC is required for connectivity to a perimeter network. When choosing a new NIC, what factor should be considered?

Answer 7

PCIe versus PCI.

Question 8

Which USB standard supports transmission rates up to 480 Mbps?

Answer 8

USB 2

Question 9

Which term identifies th flow of electrons between two differently charged endpoints in a circuit?

Answer 9

ESD.

Question 10

You are planning to upgrade your existing UPS system. How can you ensure device power needs will be met?

Answer 10

Determine UPS kW or VA rating, calculate power draw sum of devices.

Question 11

Which two items are critical when planning server room racks?

Answer 11

Rack weight.

Airflow

Question 12

A line-of-business database application is regularly accessed by many users concurrently. After monitoring server performance metrics, you conclude that disk I/O is the bottleneck. What can you do to optimize application performance?

Answer 12

Configure RAID disk striping.

Question 13

What can be used to prevent server interruptions when disks fail?

Answer 13

Hot-swappable disks?

Question 14

In which type of environment is 1-phase power most often used?

Answer 14

Residential.

Question 15

What purpose does a UPS serve?

Answer 15

Enables servers to perform graceful shutdowns.

Question 16

Which items are affected by server form factors?

Answer 16

Type of expansion card. Rack mount ability.

Question 17

Which server rack item prevents cables from pulling out when you slide out a server for servicing?

Answer 17

Cable management arm.

Question 18

Which statement regarding blade servers is true?

Answer 18

The server slides into an enclosure.

Question 19

How is data transmitted throughout a computer system?

Answer 19

Bus.

Question 20

You want to ensure that your RAID controller caches disk writes. Which option must the controller support?

Answer 20

Battery-backed write caching.

Question 21

What is a KVM switch used for?

Answer 21

Server management.

Question 22

Why are server racks arranged in rows?

Answer 22

To optimize airflow.

Question 23

Which class of fire extinguisher is used to extinguish server equipment fires?

Answer 23

B.

Question 24

You are the server technician for a Caribbean telecommunications provider. Power on the island is unreliable, and you want to prevent servers from abruptly shutting down. What should you acquire?

Answer 24

UPS.

Question 25

One of your clients needs a new physical server to store files and run a small customer database application. The IT budget is very small, and the company wants to reuse any existing hardware components, such as network card, that they have on hand. Which server from factor should you recommend to your client?

Answer 25

Tower.