Certification Questions

Q:

Typically not referred to as a buffer type in critical chain project management is ______.

A) Free Buffer B) Resource Buffer
C) Project Buffer D) Feeding Buffer
 
Answer & Explanation Answer: A) Free Buffer

Explanation:
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Filed Under: PMP Certification

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Q:

What is the name of the service included with the Windows Server operating system that manages a centralized database containing user account and security information ?

A) Windows Directory B) Active Directory
C) Directory Plus D) None of the above
 
Answer & Explanation Answer: B) Active Directory

Explanation:

Active Directory (AD) is a centralized database that is included with the Windows Server operating system. Active Directory is used to store information about a network, such as user accounts, computers, printers, and security policies.

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Q:

How can you describe an operational level agreement (OLA) ?

A) It is a legally binding contract outlining services delivered to an IT service provider that underpin a service that provider delivers to its customers. B) It is a written agreement between a supplier and the IT customer(s), defining the key service targets and responsibilities of both parties.
C) It contains targets that underpin those within an SLA to ensure that targets will not be breached by failure of the supporting activity. D) It is an agreement between a supplier and another part of the same organization that assists with the provision of services.
 
Answer & Explanation Answer: D) It is an agreement between a supplier and another part of the same organization that assists with the provision of services.

Explanation:

An agreement between an IT service provider and another part of the same organization. An OLA supports the IT service provider's delivery of services to customers. The OLA defines the goods or services to be provided and the responsibilities of both parties.

 

* For an example there be an OLA - between the IT service provider and a acquiring department to obtain hardware in discussed times - between the Service Desk and a support group to provide Incident resolution in accepted times.

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Q:

Which of the following is NOT an objective of service transition ?

A) To plan and manage the capacity and resource requirements to manage a release B) To provide quality knowledge and information about services and service assets
C) To provide training and certification in project management D) To ensure that a service can be operated, managed and supported
 
Answer & Explanation Answer: C) To provide training and certification in project management

Explanation:
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Q:

You have a Class B network and need 29 subnets. What is your mask?

Answer

A default Class B is 255.255.0.0. A Class B 255.255.255.0 mask is 256 subnets, each with 254 hosts. We need fewer subnets. If we used 255.255.240. 0, this provides 16 subnets. Let's add one more subnet bit. 255.255.248.0. This is 5 bits of subnetting, which provides 32 subnets. This is our best answer A/21

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Subject: CCNA

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Q:

Availability management is responsible for availability of

A) IT infrastructure B) Tools
C) Processes D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

ITIL Availability Management aims to define, analyze, plan, measure and improve all aspects of the availability of IT services. It is is responsible for ensuring that all IT infrastructure, processes, tools, roles etc are appropriate for the agreed availability targets.

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Q:

What are the typical three different categories of VPNs?

Answer

The following are the different types of VPNs :


PPTP ( Point to Point Tunnel protocol ) VPN : Most commonly used VPN. PPTP is a method for implementing virtual private networks. PPTP uses a control channel over TCP and a GRE tunnel operating to encapsulate PPP packets.


Site-to-Site VPN : Site-to-site VPN is a type of VPN connection that is created between two separate locations. Site-to-site VPN can be intranet based or extranet based. 


Intranet-based site-to-site VPN is created between an organization's propriety networks, while extranet-based site-to-site VPN is used for connecting with external partner networks or an intranet.


L2TP ( Layer Two Tunneling Protoco) VPN : L2TP is an extension of the Point-to-Point Tunneling Protocol (PPTP) used by an Internet service provider (ISP) to enable the operation of a virtual private network over the Internet.


IPsec (Internet Protocol Security) : IPsec is a framework for a set of protocols for security at the network or packet processing layer of network communication.


SSL (Secure Sockets Layer) VPN : SSL  is a form of VPN that can be used with a standard Web browser. In contrast to the traditional Internet Protocol Security (IPsec) VPN, an SSL VPN does not require the installation of specialized client software on the end user's computer. 


MPLS (Multiprotocol Label Switching) VPN : MPLS is a protocol for speeding up and shaping network traffic flows. 


Hybrid VPN : A hybrid VPN combines Multiprotocol Label Switching (MPLS) and Internet protocol security (IPsec)-based VPNs. 

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Subject: CCNA

6 4573
Q:

What is the output after compile and run the following code ?

int Output = 10;
boolean b = false;
if((b == true) && ((Output += 10) == 20))
{
System.out.println("We are equal " + Output);
}
else
{
System.out.println("Not equal! " + Output);
}

A) Compilation and output of "We are equal 10" B) Compilation and output of "Not equal! 10"
C) Compilation error, attempting to perform binary comparison on logical data type D) Compilation and output of "Not equal! 20"
 
Answer & Explanation Answer: B) Compilation and output of "Not equal! 10"

Explanation:

The output will be "Not equal! 10". Please note that && is logical AND operator. If first operand before (&&) is false then the other operand will not be evaluated. This illustrates that the Output +=10 calculation was never performed because processing stopped after the first operand was evaluated to be false. If you change the value of b1 to true, processing occurs as you would expect and the output would be "We are equal 20".

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Filed Under: Oracle Certification
Job Role: Analyst

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