Server Hardware Flashcards
Data center equipment racks are normally how wide?
19 inches.
Which unit of measurement is used for racks and rack-mounted devices?
U measure.
Which tem describes the chassis housing multiple blade servers?
Blade enclosure.
Which firmware standard supports the Secure Boot feature?
UEFI.
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?
Disable UEFI Secure Boot.
You are ordering server hardware that will run mathematically intensive engineering applications. Which server component can help the most in speeding up processing time?
L1 cache.
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?
PCIe versus PCI.
Which USB standard supports transmission rates up to 480 Mbps?
USB 2
Which term identifies th flow of electrons between two differently charged endpoints in a circuit?
ESD.
You are planning to upgrade your existing UPS system. How can you ensure device power needs will be met?
Determine UPS kW or VA rating, calculate power draw sum of devices.
Which two items are critical when planning server room racks?
Rack weight.
Airflow
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?
Configure RAID disk striping.
What can be used to prevent server interruptions when disks fail?
Hot-swappable disks?
In which type of environment is 1-phase power most often used?
Residential.
What purpose does a UPS serve?
Enables servers to perform graceful shutdowns.
Which items are affected by server form factors?
Type of expansion card. Rack mount ability.
Which server rack item prevents cables from pulling out when you slide out a server for servicing?
Cable management arm.
Which statement regarding blade servers is true?
The server slides into an enclosure.
How is data transmitted throughout a computer system?
Bus.
You want to ensure that your RAID controller caches disk writes. Which option must the controller support?
Battery-backed write caching.
What is a KVM switch used for?
Server management.
Why are server racks arranged in rows?
To optimize airflow.
Which class of fire extinguisher is used to extinguish server equipment fires?
B.
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?
UPS.
