A System Administrator Reports That One of the Two Domain

question 693

Multiple Choice

A system administrator reports that one of the two domain name servers does not seem to be responding to DNS requests from clients. The servers are both up and running, name service is running on them, and DNS requests appear in the logs. Both servers respond to queries made at the console. Which of the following tools should the systems administrator use to gather more information?

• A) Run a port scanner on each name server to ensure TCP port 53 is open and listening.
• B) Run tracert from a desktop client to query each name server and see what answers are sent back from each server. Run tracert from a desktop client to query each name server and see what answers are sent back from each server.
• C) Ping the name servers by IP address to make sure they are up, and then ping each name server by name in case name resolution is not working for the server names.
• D) Generate DNS queries and use a packet sniffer to capture DNS traffic to/from both name servers and look for differences.

Grasp the principles of needs assessment in the process of training and development.

Comprehend the application of learning principles in conducting effective training.

Understand the evaluation process in the training cycle and its role in identifying further training needs.

Recognize various training methods and their appropriateness according to the training objectives and context.

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Definitions:

Inuit Communities

Indigenous peoples living in the Arctic regions of Canada, Greenland, and Alaska, known for their rich cultural heritage and adaptations to cold environments.

Deviant Act

An action that deviates from the societal norms, which can be criminal or non-criminal but is considered outside the boundaries of acceptable behavior in a community.

Statistical Average

A measure representing the central or typical value in a set of data, calculated as the sum of all values divided by the number of values.

Deviance

Occurs when someone departs from a norm.