CompTIA Network+ Question C-42

A user calls the help desk and states that he was working on a spreadsheet and was unable to print it. However, his colleagues are able to print their documents to the same shared printer. Which of the following should be the FIRST question the helpdesk asks?

A. Does the printer have toner?
B. Are there any errors on the printer display?
C. Is the user able to access any network resources?
D. Is the printer powered up?

Correct Answer: C

Explanation:
The user has already provided you with the information relevant to the first step in the 7-step troubleshooting process. The next step is to “Question the obvious.” The user has stated: “…his colleagues are able to print their documents to the same shared printer.” The obvious question in this instance is whether the user can access any network resources.
1. Identify the problem. Information gathering. Identify symptoms. Question users.
Determine if anything has changed.
2. Establish a theory of probable cause. Question the obvious.
3. Test the theory to determine cause:
When the theory is confirmed, determine the next steps to resolve the problem. If theory is not confirmed, re-establish a new theory or escalate.
4. Establish a plan of action to resolve the problem and identify potential effects.
5. Implement the solution or escalate as necessary.
6. Verify full system functionality and if applicable implement preventive measures.
7. Document findings, actions, and outcomes.

CompTIA Network+ Question A-9

A technician needs to install a server to authenticate remote users before they have access to corporate network resources when working from home. Which of the following servers should the technician implement?

A. DNSSEC
B. PPP
C. RAS
D. VLAN
E. NAT

Correct Answer: C

CompTIA A+ Core 2 Question J-43

A consultant is looking to consolidate six company servers onto one physical system. Which of the following requirements is MOST important on the new setup to ensure stable functionality of the virtual environment?

A. Client hardware requirements
B. Server software security requirements
C. Server hardware resources
D. Network resources

CompTIA A+ Core 2 Question J-34

Jane, a customer, has a wired router that connects to the Internet without any issue, but does not provide any other network services. When users connect PCs to the router, they cannot access the Internet or any other network resources. Which of the following should Jane do to connect the PCs to the Internet?

A. Change the gateway address on the wired router
B. Set the DNS to an external public source on the PCs
C. Remove the PCs from the MAC filter list in the wired router
D. Change the switch port duplex setting from half to full

Correct Answer: B

CompTIA A+ Core 2 Question E-6

A user calls the helpdesk and states that they suddenly cannot connect to the Internet or any other network resources. The user is on a company network that uses DHCP. The technician runs IPCONFIG from the command prompt and the PC has an IP address of 0.0.0.0. Which of the following steps should the technician perform FIRST to troubleshoot this issue?

A. Check the network cable
B. Replace network card
C. Assign a static IP address
D. Reinstall the network drivers

CompTIA A+ Question G-3

Which of the following describes the use of the DNS protocol as it relates to a TCP/IP network?

A. Provides remote connectivity to resources on the network
B. Provides separate control and data connections between network resources
C. Provides mapping of user friendly names to network resources
D. Provides automated addressing to resources on the network

Correct Answer: C

Explanation:
http://www.howstuffworks.com/dns.htm