Certification Questions

Q:

What is the subnet for host ID 10.16.3.65/23?

Answer

A/23 is 255.255.254.0. The third octet is a block size of 2.0, 2, 4. The subnet is in the 16.2.0 subnet; the broadcast address is 16.3.255

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Subject: CCNA

24 15838
Q:

Which class of IP address provides a maximum of only 254 host addresses per network ID?

A) Class A B) Class B
C) Class C D) Class D
 
Answer & Explanation Answer: C) Class C

Explanation:

Class C network address has only 8 bits for defining hosts : 28-2 = 256 - 2 = 254

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Filed Under: CCNA
Job Role: Analyst , IT Trainer , Project Manager

22 22563
Q:

The network address of 172.16.0.0/19 provides how many subnets and hosts?

A) 7 subnets, 2046 hosts each B) 7 subnets, 8190 hosts each
C) 8 subnets, 2046 hosts each D) 8 subnets, 8190 hosts each
 
Answer & Explanation Answer: D) 8 subnets, 8190 hosts each

Explanation:

A CIDR address of/19 is 255.255.224.0. This is a Class B address, so that is only 3 subnet bits, but it provides 13 host bits, or 8 subnets, each with 8,190 hosts.

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Filed Under: CCNA

22 23060
Q:

 What is the role of the Emergency Change Advisory Board (ECAB)?

A) To assist the Change Manager in ensuring that no urgent changes are made during particularly volatile business periods B) To assist the Change Manager in evaluating emergency changes and to decide whether the change should be approved
C) To assist the Change Manager in speeding up the emergency change process so that no unacceptable delays occur. D) To assist the Change Manager in implementing emergency changes
 
Answer & Explanation Answer: B) To assist the Change Manager in evaluating emergency changes and to decide whether the change should be approved

Explanation:
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Filed Under: ITIL Certification

18 44928
Q:

Which functions are included in IT Operations Management?

A) IT Operations Control and Facilities Management B) Network Management and Application Management
C) Facilities Management and Release Management D) Technical Management and Change Management
 
Answer & Explanation Answer: A) IT Operations Control and Facilities Management

Explanation:

IT Operations Control and Facilities Management are included in IT Operations Management. Those operations include ::

1. Technical Management
2. IT Operations Control
3. Application Management
4. Facilities Management
5. Standard Operating Procedures (SOP)
6. IT Operations Management
7. Service Desk
8. Operations Log

and more.

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18 21127
Q:

An accepted deadline for a project approaches. However, the project manager realizes only 75% percent of the work has been completed. The project manager then issues a change request. What should the change request authorize?

A) Additional resources using the contingency fund B) Escalation approval to use contingency funding
C) Team overtime to meet schedule D) Corrective action based on causes
 
Answer & Explanation Answer: D) Corrective action based on causes

Explanation:
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Filed Under: PMP Certification

16 13046
Q:

Convert 10100010111101011001110110001011 2 to dotted decimal.

Answer

Convert to dotted hexadecimal first, and then convert each hexadecimal number pair to decimal.

A2.F5.9D.8B then 162.245.157.139

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Subject: CCNP

14 4358
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 16845