Chapter 2: Server Types Flashcards

This chapter describes the common server types and the subsystems that are most likely to be the source of a performance bottleneck.

1
Q

Server scalability is generally achieved by adopting either _________ or __________ strategies

A

Scale-out

Scale-up

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2
Q

What is Scale-up?

A

server type subcomponents are increased in capacity to meet the increase in demand.

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3
Q

What is Scale-out?

A

multiple separate servers function together to perform a given task, often seen from the outside as a single system.

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4
Q

How is Scale-out is generally achieved?

A

Tthrough a form of load-balancing and task

distribution. For

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5
Q

‘What type of scaling is appropriate for File server?’

A

‘Scale-out’

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6
Q

‘What type of scaling is appropriate for Print servers?’

A

‘Scale-up’

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7
Q

‘What type of scaling is appropriate for Terminal servers?’

A

‘Scale-out’

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8
Q

‘What type of scaling is appropriate for Web servers?’

A

‘Scale-out’

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9
Q

‘What type of scaling is appropriate for E-mail servers?’

A

‘Scale-up’

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10
Q

‘What type of scaling is appropriate for Database servers?’

A

‘Scale-up’

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11
Q

‘What type of scaling is appropriate for Computation servers?’

A

‘Scale-out’

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12
Q

Domain controllers perform what three functions?

A

User authentication
Resource access validation
Security control

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13
Q

The subsystems that have the most impact on file server performance are?

A

Network
Memory
Disk

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14
Q

On an Active Directory domain controller, there are two kind of activities

A

Server-to-server activities

Client-to-server activities

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15
Q

On a file server, what might create a bottleneck due to heavy workload?

A

The network subsystem, particularly the network interface card or the bandwidth of the LAN itself

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16
Q

Insufficient memory on a file server can limit the ability to do what?

A

Cache files

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17
Q

The subsystems that have the most impact on print server performance are?

A

Memory
Disk
Processor

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18
Q

What might help to reduce printing workload on a print server?

A

Implementing printer pools and virtual printer configurations

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19
Q

The subsystems that have the most impact on database server performance are?

A

Memory
Disk
Processor
Network

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20
Q

What is among the most important components in a database server?

A

Buffer Caches

21
Q

It is important to configure a sufficient number of disk drives to match what in Database Servers?

A

CPU processing power

22
Q

With most database applications, more drives equals?

A

Greater Performance

23
Q

Database servers are ____________ applications.

A

Multi-threaded

24
Q

What subsystem tends to be the least important on a database server?

A

The networking subsystem

25
Q

In database servers, the design of ___________ is critical

A

The Application

26
Q

The important subsystems for e-mail servers are?

A

Memory
CPU
Disk
Network

27
Q

If Web site content is static, the following subsystems might be sources of bottlenecks?

A

Network
Memory
CPU

28
Q

If the Web server is computation-intensive, then the following subsystems might be sources of bottlenecks?

A

Memory
Network
CPU
Disk

29
Q

The following are key elements in Web 2.0 servers that are relevant when defining a Web 2.0 application or service?

A
Price/performance per watt
Fast, large scale-out deployment
Compute density
Customization
Targeted workloads
30
Q

The elements that are important to examine in a Web 2.0 server are?

A

Network

Memory

31
Q

Important subsystems in a groupware server are?

A

Memory
CPU
Disk I/O

32
Q

Groupware servers require significant CPU power similar to what other server type?

A

E-mail servers

33
Q

If you are streaming audio, the most probable sources of bottlenecks are?

A

Network
Memory
Disk

34
Q

If you are streaming video, most important subsystems are?

A

Network
Disk I/O
Memory

35
Q

Disk is more important than _______ for a video server due to the volume of data being transmitting and the large amount of data being read.

A

Memory

36
Q

The most popular communication server is?

A

Windows 2003 remote access services (RAS) server.

37
Q

The potential subsystem bottlenecks for a communicate server are?

A

Communication lines
Digital communications
Port configuration

38
Q

The following subsystems are the most probable sources of bottlenecks in Terminal Servers

A

Memory
CPU
Network

39
Q

What is the working set?

A

The number of instructions and data that are frequently accessed by the CPU.

40
Q

Infrastructure servers is the name given to what services?

A

DNS, DHCP, WINS, and other services that provide connectivity.

41
Q

Important subsystems in a DNS Server include?

A

Network

Memory

42
Q

Because of the nature of DNS serving, the _________ subsystem is the least likely to cause a bottleneck.

A

Processor

43
Q

Important subsystems in a DHCP Server include?

A

Network
Disk
Memory

44
Q

Because of the nature of DHCP serving, the _________ subsystem is the least likely to cause a bottleneck.

A

Processor

45
Q

Important subsystems in a WINS Server include?

A

Network
Disk
Memory

46
Q

Because of the nature of WINS serving, the _________ subsystem is the least likely to cause a bottleneck.

A

Processor

47
Q

Potential bottlenecks on the virtual operating system are?

A

Memory
CPU
Network

48
Q

Computation servers provide ____________ and memory resources to compute-intensive applications such as those found in high-performance computing (HPC)

A

floating-point

49
Q

Potential bottlenecks on the virtual operating system are?

A

Memory
Network
CPU