Certification Questions

Q:

 What does Mean Time to Repair (MTTR) mean?

A) Average uptime of a service B) Average downtime of a service
C) Average time between two consecutive incidents D) Average time of the breakdown-free period within a measured period
 
Answer & Explanation Answer: B) Average downtime of a service

Explanation:
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Filed Under: ITIL Certification

13 16854
Q:

At which layer is routing implemented , enabling connections and path selection between two end systems?

Answer

The Network layer provides routing through an internetwork and logical addressing.

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Subject: CCNA

12 8183
Q:

Which layer defines how data is formatted , presented, encoded, and converted for use on the network?

Answer

The presentation layer makes sure that data is in a readable format for the Application layer.

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Subject: CCNA

11 6042
Q:

To view the most up to date planning data (available stock, orders, reservations, etc) on a material,use the

A. Stock Requirement list.

B. Stock Overview report

C. List display of material and accounting documents

D. Standard Analysis for a material

Answer

Answer : A

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Subject: SAP MM

11 5038
Q:

A statistical method for identifying which factors may influence specific variables of a product or process under development or in production is called

A) cost benefit analysis. B) sensitivity analysis.
C) cost of quality analysis. D) design of experiments.
 
Answer & Explanation Answer: D) design of experiments.

Explanation:
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Filed Under: PMP Certification

11 11385
Q:

Which layer combines bits into bytes and bytes into frames, uses MAC addressing , and provides error detection?

Answer

The Data Link layer is responsible for the framing of data packets.

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Subject: CCNA

10 7722
Q:

Which OSI layer defines the standards for cabling and connectors?

A) Layer 1 B) Layer 4
C) Layer 7 D) Layer 3
 
Answer & Explanation Answer: A) Layer 1

Explanation:

OSI layer 1 defines the standards for cabling and connectors.

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Filed Under: CCNA
Job Role: Network Engineer

10 6489
Q:

What is Primary Key in DBMS?

Answer

A primary key is a special relational database table column or combination of columns designated to uniquely identify all table records. That is, A primary key is a column or set of columns in a table that uniquely identifies tuples (rows) in that table.


A primary key, also called a Primary Keyword.



Main Features Primary key are ::


It must contain a unique value for each row of data.


It cannot contain null values.

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10 1988