What is the maximum length for a cat 5e cable run before experiencing packet loss or latency?

What is the maximum length for a cat 5e cable run before experiencing packet loss or latency?

• 500 feet
• 200 meters
• 100 meters
• 100 feet 

EXPLANATION

The maximum length for a cable segment is 100 meters. If longer runs are required, the use of active hardware such as a repeater or network switch is necessary.
https://en.wikipedia.org/wiki/Category_5_cable

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On Windows, what is the MMC.exe?

On Windows, what is the MMC.exe?

• Microsoft Management Console
• Microsoft Managed Console
• Microsoft Management Control
• Microsoft Managed Control 

 

EXPLANATION

MMC.exe is the Microsoft Management Console application and is used to display various management plug-ins accessed from the Control Panel, such as the Device Manager.

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In MS Exchange, which of the following is NOT an Exchange Recipient type?

In MS Exchange, which of the following is NOT an Exchange Recipient type?

• Distribution mailbox
• Room mailbox
• Legacy mailbox
• User mailbox 

 

EXPLANATION

The following are all Exchange Recipient types in MS Exchange.
User mailbox: This mailbox is created for an individual user to store mails, calendar items, contacts, tasks, documents, and other business data.

Linked mailbox: This mailbox is created for an individual user in a separate, trusted forest. For example AD account is created in A.COM and Mailbox is created in B.COM Exchange Server.

Shared mailbox: This mailbox is not primarily associated with a single user and is generally configured to allow logon access for multiple users.

Legacy mailbox: This mailbox is resides on a server running Exchange Server 2003 or Exchange 2000 Server. See here: https://support.microsoft.com/en-us/help/931747/a-mailbox-that-is-located-on-an-exchange-server-2007...

Room mailbox: This mailbox is created for a meeting location, such as a meeting or conference room, auditorium, or training room. When we create this mailbox, by default a disabled user object account is created.

Equipment mailbox: A resource mailbox is created for a non-location specific resource, such as a portable computer projector, microphone, or a company car. When we create this mailbox, by default a disabled user object account is created. Equipment mailboxes provide a simple and efficient way for users to use resources in manageable way.

SOURCE

https://technet.microsoft.com/en-us/library/bb201680(v=exchg.150).aspx

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What was the Java programming language originally named?

What was the Java programming language originally named?

• Oak
• Green
• Mocha
• Blue 

 

EXPLANATION

"The language was initially called Oak after an oak tree that stood outside Gosling's office. Later the project went by the name Green and was finally renamed Java, from Java coffee."

Related: History of programming languages:

SOURCE

http://www.javaworld.com/article/2077265/core-java/so-why-did-they-decide-to-call-it-java-.html

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Which of the following is not a primary biometric authentication?

Which of the following is not a primary biometric authentication?

• Body scanner
• Voice
• Fingerprint
• Iris pattern 

 

EXPLANATION

Body scanners are soft biometrics. Soft biometrics traits are physical, behavioral or human characteristics that have been derived from the way human beings normally distinguish their peers (such as height, gender, and hair color). They are used to complement the identity information provided by the primary biometric identifiers .
https://en.wikipedia.org/wiki/Biometrics#Soft_biometrics 

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In Hyper-V, which of the following features enables two VMs hosted on the same physical machine to communicate without going outside the host system?

In Hyper-V, which of the following features enables two VMs hosted on the same physical machine to communicate without going outside the host system?

• Virtual LAN
• Virtual Network
• Virtual switch
• Virtual PBX 

 

EXPLANATION

Hypervisors come with virtual switching capabilities, which enable the VMs to communicate without going outside of the host system. Depending on your hypervisor, this virtual switch can do everything you'd expect from a typical managed Layer 2 switch.

SOURCE

http://www.altaro.com/hyper-v/the-hyper-v-virtual-switch-explained-part-1/

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Which of the following NoSQL databases is considered a document database?

Which of the following NoSQL databases is considered a document database?

• Cassandra
• Druid
• MongoDB
• HBase 

 

EXPLANATION

A NoSQL (originally referring to "non SQL" or "non relational") database provides a mechanism for storing and retrieving data which is modeled in means other than the tabular relations used in relational databases. MongoDB is document-oriented database, or document store, designed for storing, retrieving, and managing semi-structured data.. Cassandra, Druid, and HBase are column databases, a NoSQL object of the lowest level in a keyspace. It is a tuple consisting of three elements: unique name, value, and timestamp.

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