CompTIA Server+ Certification - (SK0-005) Exam Questions

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Question 1 Single Choice

What role do TCP/IP port numbers play?

A- They are used to determine VLAN membership.

B- They uniquely identify devices on a subnet.

C- They uniquely identify a network service.

D- They are used to configure Layer 3 firewall settings.

Explanation

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Correct Answer:

They uniquely identify a network service is correct.

TCP/IP port numbers identify a network service running on a host.

Incorrect Answers:

They are used to determine VLAN membership is incorrect, they uniquely identify devices on a subnet, and they are used to configure Layer 3 firewall settings.

TCP/IP port numbers do not identify virtual local area network (VLAN) membership as IP addresses or physical switch ports can.

TCP/IP port numbers do not identify hosts on a subnet.

Layer 3 (the network layer) of the OSI model is related to IP addresses, not port addresses.

Explanation

Correct Answer:

They uniquely identify a network service is correct.

TCP/IP port numbers identify a network service running on a host.

Incorrect Answers:

They are used to determine VLAN membership is incorrect, they uniquely identify devices on a subnet, and they are used to configure Layer 3 firewall settings.

TCP/IP port numbers do not identify virtual local area network (VLAN) membership as IP addresses or physical switch ports can.

TCP/IP port numbers do not identify hosts on a subnet.

Layer 3 (the network layer) of the OSI model is related to IP addresses, not port addresses.

Question 2 Single Choice

Sandra has a server that requires a CPU upgrade. She has to find the new CPU herself. What factor would most affect her CPU choice?

A- The amount of on-chip RAM

B- A CPU that is supported by the motherboard

C- The model number of the CPU

D- A CPU with at least 1MB of L3 cache

Explanation

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Correct Answer:

A CPU that is supported by the motherboard is correct.

The motherboard must be able to accommodate the CPU.

Incorrect Answers:

The model number of the CPU, the amount of on-chip RAM, and a CPU with at least 1MB of L3 cache are incorrect.

The CPU model number does not dictate how well the CPU performs.

Server RAM is not stored on the CPU.

The amount of L3 cache is not normally a requirement related to CPUs and motherboards.

Explanation

Correct Answer:

A CPU that is supported by the motherboard is correct.

The motherboard must be able to accommodate the CPU.

Incorrect Answers:

The model number of the CPU, the amount of on-chip RAM, and a CPU with at least 1MB of L3 cache are incorrect.

The CPU model number does not dictate how well the CPU performs.

Server RAM is not stored on the CPU.

The amount of L3 cache is not normally a requirement related to CPUs and motherboards.

Question 3 Single Choice

Sally is managing the construction of a new data center facility. What power phase should she use for her data center?

A- 2-phase

B- Half-phase

C- 3-phase

D- 1-phase

Explanation

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Correct Answer:

3-phase is correct.

3-phase power is used for industrial environments with a high power requirement.

Incorrect Answers:

2-phase, half-phase, and 1-phase are incorrect.

2-phase power would not meet the requirements of a large data center.

Half-phase power would not meet the requirements of a large data center.

1-phase power would not meet the requirements of a large data center.

Explanation

Correct Answer:

3-phase is correct.

3-phase power is used for industrial environments with a high power requirement.

Incorrect Answers:

2-phase, half-phase, and 1-phase are incorrect.

2-phase power would not meet the requirements of a large data center.

Half-phase power would not meet the requirements of a large data center.

1-phase power would not meet the requirements of a large data center.

Question 4 Single Choice

Which server form factor has the smallest physical footprint?

A- Blade

B- Tower

C- Tablet

D- Rack-mounted

Explanation

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Correct Answer:

Blade is correct.

The blade form factor is the smallest of all the server form factors.

Incorrect Answers:

Rack-mounted, tower, and tablet is incorrect.

The rack-mounted form factor is larger than the blade form factor.

The tower form factor is larger than the blade form factor.

The tablet form factor is not a server form factor.

Explanation

Correct Answer:

Blade is correct.

The blade form factor is the smallest of all the server form factors.

Incorrect Answers:

Rack-mounted, tower, and tablet is incorrect.

The rack-mounted form factor is larger than the blade form factor.

The tower form factor is larger than the blade form factor.

The tablet form factor is not a server form factor.

Question 5 Single Choice

You are writing a script that will take input from another program and return a number after running a few calculations. What kind of data type should you use to store whole numbers?

A- Boolean

B- String

C- Array

D- Integer

Explanation

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Correct Answer:

Integer is correct.

Integers allow you to store a whole number.

Incorrect Answers:

String, array, and boolean are incorrect.

Strings are used for text.

Arrays are used to store multiple values.

Booleans are only true or false.

Explanation

Correct Answer:

Integer is correct.

Integers allow you to store a whole number.

Incorrect Answers:

String, array, and boolean are incorrect.

Strings are used for text.

Arrays are used to store multiple values.

Booleans are only true or false.

Question 6 Single Choice

How is a hardware RAID controller configured?

A- During server startup, press the correct key combination for RAID configuration.

B- After the server boots, press the correct key combination for RAID configuration.

C- During server bootup, use a web browser to connect to port 889 on the server.

D- After the server boots, use a web browser to connect to port 889 on the server.

Explanation

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Correct Answer:

During server startup, press the correct key combination for RAID configuration is correct.

Press the correct key combination for your specific hardware to complete RAID configuration.

Incorrect Answers:

After the server boots, use a web browser to connect to port 889 on the server, during server bootup, use a web browser to connect to port 889 on the server, and after the server boots, press the correct key combination for RAID configuration are incorrect.

These options will not enable hardware RAID configuration.

Explanation

Correct Answer:

During server startup, press the correct key combination for RAID configuration is correct.

Press the correct key combination for your specific hardware to complete RAID configuration.

Incorrect Answers:

These options will not enable hardware RAID configuration.

Question 7 Multiple Choice

What revisions of DDR memory have the same number of pins? (Choose two.)

A- DDR1

B- DDR2

C- DDR4

D- DDR3

Explanation

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Correct Answers:

DDR2 and DDR3 are correct.

Both DDR2 and DDR3 have 240 pins.

Incorrect Answers:

DDR1 and DDR4 is incorrect.

DDR1 has 184 pins, which is unique among DDR memory.

DDR4 has 288 pins, which is unique among DDR memory.

Explanation

Correct Answers:

DDR2 and DDR3 are correct.

Both DDR2 and DDR3 have 240 pins.

Incorrect Answers:

DDR1 and DDR4 is incorrect.

DDR1 has 184 pins, which is unique among DDR memory.

DDR4 has 288 pins, which is unique among DDR memory.

Question 8 Single Choice

Which type of malware masks itself as benign?

A- Trojan

B- Ransomware

C- Virus

D- Worm

Explanation

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Correct Answer:

Trojan is correct.

Trojans disguise themselves as something useful (a free virus scanning utility, for example), when really they are malware or contain malware.

Incorrect Answers:

Virus, worm, and ransomware are incorrect.

Viruses attach themselves to files.

Worms spread themselves throughout the network, often using file-sharing protocols.

Ransomware locks users out of systems or data until a ransom is paid.

Explanation

Correct Answer:

Trojan is correct.

Trojans disguise themselves as something useful (a free virus scanning utility, for example), when really they are malware or contain malware.

Incorrect Answers:

Virus, worm, and ransomware are incorrect.

Viruses attach themselves to files.

Worms spread themselves throughout the network, often using file-sharing protocols.

Ransomware locks users out of systems or data until a ransom is paid.

Question 9 Single Choice

Which type of replication is normally used between a primary site and an alternate hot site?

A- Full

B- Partial

C- Asynchronous

D- Synchronous

Explanation

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Correct Answer:

Synchronous is correct.

With synchronous replication, there is no delay when writing to multiple locations. Hot sites must have up-to-date data.

Incorrect Answers:

Asynchronous, partial, full are incorrect.

Asynchronous replication introduces a slight delay when writing to multiple locations.

Partial replication is not applicable in this scenario.

Full replication is not applicable in this scenario.

Explanation

Correct Answer:

Synchronous is correct.

With synchronous replication, there is no delay when writing to multiple locations. Hot sites must have up-to-date data.

Incorrect Answers:

Asynchronous, partial, full are incorrect.

Asynchronous replication introduces a slight delay when writing to multiple locations.

Partial replication is not applicable in this scenario.

Full replication is not applicable in this scenario.

Question 10 Single Choice

Your server room consists of 2 tower servers and 12 rack-mounted servers. Local console access is required for each of the 14 servers. The server room cannot accommodate 14 monitors, keyboards, and mice. Which solution should you employ?

A- UPS

B- iLO

C- iDRAC

D- KVM

Explanation

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Correct Answer:

KVM is correct.

Keyboard, video, mouse (KVM) enables multiple servers to share a single monitor, keyboard, and mouse.

Incorrect Answers:

iLO, iDRAC, and UPS are incorrect.

Hewlett-Packard’s Integrated Lights Out (iLO) is an out-of-band hardware remote (not local) administrative solution.

Dell’s Integrated Dell Remote Access Controller (iDRAC) is an out-of-band hardware remote (not local) administrative solution.

An uninterruptible power supply (UPS) uses batteries to provide power to a system during a power outage so that it can shut down gracefully.

Explanation

Correct Answer:

KVM is correct.

Keyboard, video, mouse (KVM) enables multiple servers to share a single monitor, keyboard, and mouse.

Incorrect Answers:

iLO, iDRAC, and UPS are incorrect.

Hewlett-Packard’s Integrated Lights Out (iLO) is an out-of-band hardware remote (not local) administrative solution.

Dell’s Integrated Dell Remote Access Controller (iDRAC) is an out-of-band hardware remote (not local) administrative solution.

An uninterruptible power supply (UPS) uses batteries to provide power to a system during a power outage so that it can shut down gracefully.

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