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Q:

The Plan-Do-Check-Act cycle can be used to plan and implement Service Management Processes:
How many times should each stage of the cycle be visited?

A) There should be a single Plan and Do, and then Check and Act should be carried out multiple times to Implement Continual Improvement B) There should be a single %n. then the Do-Check-Act cycle should be repeated multiple times to Implement Continual improvement
C) The entire cycle should be repeated multiple times to Implement Continual Improvement D) Each stage should be carried out once in the order Plan-Do-Check-Act
 
Answer & Explanation Answer: D) Each stage should be carried out once in the order Plan-Do-Check-Act

Explanation:
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Filed Under: ITIL Certification

Q:

Why should monitoring and measuring be used when trying to improve services?

A) To validate, direct, justify and intervene B) To validate, measure, monitor and change
C) To validate, plan, act and improve D) To validate, assign resources, purchase technology and train people
 
Answer & Explanation Answer: A) To validate, direct, justify and intervene

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Q:

How does an organization use Resources and Capabilities in creating value?

A) They are used to create value in the form of goods and services B) They are used to create value to the IT organization for Service Support
C) They are used to create value to the IT organization for Service Delivery D) They are used to create value in the form of output for production management
 
Answer & Explanation Answer: A) They are used to create value in the form of goods and services

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Q:

which IOS command enables access to high-level commands?

A) su root B) admin 0
C) enable D) init
 
Answer & Explanation Answer: C) enable

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Filed Under: CCENT

Q:

The network with ip address 192.168.100.0/27 is to be used on a router. If ip subnet-zero is configured, which statement describe the resulting number of available subnets and hosts?

A) 7 usable subnets, each with 32 host addresses B) 8 usable subnets, each with 30 host addresses
C) 8 usable subnets, each with 27 host addresses D) 7 usable subnets, each with 24 host addresses
 
Answer & Explanation Answer: B) 8 usable subnets, each with 30 host addresses

Explanation:

Because subnet zero is configured and we have a class C address (192.168.100.0) then the network portion will have 3 bits so 8 subnets will be available. The rest of the bits, 5, represent the available hosts, so 2^5=32, but only 30 are available, 0 ad 31 are network and broadcast respectively.

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Q:

Some colleagues are discussing QoS, and are interested in jitter. What is jitter?

A) Jitter refers to the variation in delay experienced by packets B) Jitter is a flickering effect sometimes seen on streaming video.
C) Jitter is a predefined settings package that provides optimal QoS for IP telephony use. D) Jitter is a clicking noise that can be heard on some VoIP calls. It is caused by loss of UDP packets.
 
Answer & Explanation Answer: A) Jitter refers to the variation in delay experienced by packets

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Q:

What does CSMA/CD stand for?

A) Carrier Sense Multiple Action with Collision Detection. B) Carrier Sense Multiple Access with Collisionless Delivery
C) Carrier Sense Multiple Action with Collision Detonation D) Carrier Sense Multiple Access with Collision Detection
 
Answer & Explanation Answer: D) Carrier Sense Multiple Access with Collision Detection

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Q:

Which layer of the OSI model is associated with HDLC, Frame Relay and PPP?

A) The Physical Layer B) The Data Link layer
C) The Transport Layer D) The Network Layer
 
Answer & Explanation Answer: B) The Data Link layer

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