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2021 Jan N10-006 free practice exam
Q1. A technician is setting up a computer lab. Computers on the same subnet need to communicate with each other using peer to peer communication. Which of the following would the technician MOST likely configure?
A. Hardware firewall
B. Proxy server
C. Software firewall
D. GRE tunneling
Answer: C
Q2. CORRECT TEXT
Wireless network users recently began experiencing speed and performance issues after access point 2 (AP2) was replaced due to faulty hardware. The original network was installed according to a consultant's specifications and has always worked without a problem.
You, a network technician, have been tasked with evaluating the situation and resolving the issues to improve both performance and connectivity. Refer to the following diagram and perform any NECESSARY changes to the wireless and wired infrastructure by adjusting devices.
Note: Adjust the LEAST number of devices needed to fix the issue, all blue icons in the image are clickable. When you feel the simulation is complete please select the Done button.
Answer:
-Change the speed and duplex settings on AP2 only to 100 and full. -Change the mode to G on AP2 -Change the channel to 6 on AP2
Explanation:
Since we know that the network was running perfectly before replacing AP2 we should start by
looking at this new device that was used to replace the old one. Here we see that the other AP’s
have hard coded the speed and duplex settings to 100/full, while AP2 is set to auto/auto.
Also, the other AP’s have been configured to use 802.11G, while AP2 is using 802.11B.
Finally the channel that AP2 is using overlaps with AP1 which can cause problems. Channels 1, 6,
and 11 are spaced far enough apart that they don’t overlap. On a non-MIMO setup (i.e. 802.11 a,
b, or g) you should always try to use channel 1, 6, or 11. Since AP1 is using 1, and AP3 is using
11, AP2 should be using 6.
Q3. Which of the following does a network technician need to implement if a change is unsuccessful within the approved maintenance window?
A. Configuration procedures
B. Stakeholder notification
C. Impact analysis
D. Rollback procedure
Answer: D
Q4. A VLAN with a gateway offers no security without the addition of:
A. An ACL.
B. 802.1w.
C. A RADIUS server.
D. 802.1d.
Answer: A
Q5. A network technician is performing a tracert command to troubleshoot a website-related issue. The following output is received for each hop in the tracert: 1 * * * Request timed out.
2 * * * Request timed out.
3 * * * Request timed out.
The technician would like to see the results of the tracert command. Which of the following will allow the technician to perform tracert on external sites but not allow outsiders to discover information from inside the network?
A. Enable split horizon to allow internal tracert commands to pass through the firewall
B. Enable IGMP messages out and block IGMP messages into the network
C. Configure the firewall to allow echo reply in and echo request out of the network
D. Install a backdoor to access the router to allow tracert messages to pass through
Answer: C
Improved N10-006 exam engine:
Q6. Which of the following describes a smurf attack?
A. Attack on a target using spoofed ICMP packets to flood it
B. Intercepting traffic intended for a target and redirecting it to another
C. Spoofed VLAN tags used to bypass authentication
D. Forging tags to bypass QoS policies in order to steal bandwidth
Answer: A
Q7. A company has changed ISPs for their office and ordered a new 250 Mbps symmetrical Internet connection. As a result, they have been given a new IP range. The ISP has assigned the company
10.10.150.16 /28. The company gateway router has the following interface configuration facing the ISP:
Interface A:
IP address: 10.10.150.16
Subnet mask: 255.255.255.240
Default gateway: 10.10.150.32
Speed: 1000 Mbps
Duplex: Auto
State: No Shutdown
None of the workstations at the company are able to access the Internet. Which of the following are the reasons? (Select TWO).
A. There is a duplex mismatch between the router and ISP.
B. The router interface is turned off.
C. The interface is set to the incorrect speed.
D. The router is configured with the incorrect subnet mask.
E. The router interface is configured with the incorrect IP address.
F. The default gateway is configured incorrectly.
Answer: EF
Q8. Which of the following is used to define how much bandwidth can be used by various protocols on the network?
A. Traffic shaping
B. High availability
C. Load balancing
D. Fault tolerance
Answer: A
Q9. Which of the following network elements enables unified communication devices to connect to and traverse traffic onto the PSTN?
A. Access switch
B. UC gateway
C. UC server
D. Edge router
Answer: B
Q10. When troubleshooting a network problem, browsing through the log of a switch, it is discovered that multiple frames contain errors. In which of the following layers does the problem reside? (Select TWO).
A. Layer 2
B. Layer 3
C. Layer 5
D. Transport layer
E. Data link
F. Physical layer
Answer: AE