WPA Enterprise is also known as:

WPA Enterprise is also known as:

• 802.11g
• 802.11a
• 802.1X
• 802.1R 

EXPLANATION

WPA Enterprise is more properly known as 802.1X, the IEEE standard that specifies this port-based access control.

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In telecommunications, the Megaco (H.248) call-control protocol communicates between which of the following?

In telecommunications, the Megaco (H.248) call-control protocol communicates between which of the following?

• Contexts and call agents
• A network and a subnetwork
• Two peers
• A gateway controller and a gateway 

 

EXPLANATION

Megaco (media gateway control protocol architecture) is a a signaling protocol that enables switching of voice, fax and multimedia calls between the PSTN and IP networks. It is used between the Media Gateway and Media Gateway Controller in a VoIP network. Megaco is also known as H.248.

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What two software components are required on a Windows VM to apply a Customization Specification when cloning a virtual machine in vCenter?

What two software components are required on a Windows VM to apply a Customization Specification when cloning a virtual machine in vCenter?

• SysPrep and VMware Tools
• SysPrep and PERL
• VMware Tools and Java
• PERL and SysPrep 

EXPLANATION

SysPrep and VMware Tools are required by vSphere to make changes to the guest operating system. These changes usually include setting a NETBIOS name (host name), IP, and join a domain. This operation saves a lot of time for a vCenter administrator, especially when deploying large numbers of identical virtual machines.
You can read more here: http://pubs.vmware.com/vsphere-60/index.jsp#com.vmware.vsphere.vm_admin.doc/GUID-E63B6FAA-8D35-428D-...

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What is the default port used by a POP3 server for communicating with a POP3 client?

What is the default port used by a POP3 server for communicating with a POP3 client?

• 25
• 110
• 587
• 109 

 

EXPLANATION

Port 110 is the default POP3 non-encrypted port.
Port 995 is the default POP3 port for encrypted (SSL) traffic.

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In Cisco IOS, how do you enter into Privileged EXEC mode?

In Cisco IOS, how do you enter into Privileged EXEC mode?

• Login
• Enable
• Su
• Exec 

EXPLANATION

Privileged EXEC mode is password protected, and allows the use of all EXEC mode commands available on the system. To enter privileged EXEC mode from user EXEC mode, use the enable command. Privileged EXEC mode allows access to global configuration mode through the use of the enable command. The privileged EXEC mode prompt consists of the devices's host name followed by the pound sign: Router# .
http://www.cisco.com/c/en/us/td/docs/ios/12_2/configfun/configuration/guide/ffun_c/fcf019.html

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In Unix what program notifies the user of a new mail notification by sending an alert to the tty?

In Unix what program notifies the user of a new mail notification by sending an alert to the tty?

• biff
• squib
• gnub
• ding 

 

EXPLANATION

When a new mail message is delivered, the program biff alerts the recipient so they can read it immediately. The alert is sent to the tty where the recipient is logged in, and contains the Subject, From line, and first few lines of the body of the new message. The alert also includes terminal beeps to guarantee quick attention.
Notification is enabled by the command
biff yand disabled by
biff n
https://en.wikipedia.org/wiki/Biff

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What is the smallest data unit in quantum computing?

What is the smallest data unit in quantum computing?

• 1 Cubik
• 1 Cubit
• 1 Qubit
• 1 Quanbit 

 

EXPLANATION

A qubit is a quantum bit , the counterpart in quantum computing to the binary digit orbit of classical computing. Just as a bit is the basic unit of information in a classical computer, a qubit is the basic unit of information in a quantum computer
In a quantum computer, a number of elemental particles such as electrons or photons can be used, with either their charge or polarization acting as a representation of 0 and 1. In a classical system, a bit would have to be in one state or the other. However, quantum mechanics allows the qubit to be in a superposition of both states at the same time, a property which is fundamental to quantum computing.
See wikipedia entry for more information:
https://en.wikipedia.org/wiki/Qubit

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