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N10-009 practice questions 221–230

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Questions 221–230 · 610 available

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Question 221 · 610 in bank
A wireless network consultant is deploying a large number of WAPs and wants to centrally control them from one wireless LAN controller. Which of the following network types should the consultant employ?
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Answer: B
Explanation
B. infrastructure mode Mode in which wireless networks use one or more wireless access points to connect the wireless network nodes centrally. This configuration is similar to the star topology of a wired network.
Source: Adapted from community discussion — HeatSquad77
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Question 222 · 610 in bank
Which of the following network topologies involves sending all traffic through a single point?
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Answer: C
Explanation
The spoke–hub distribution paradigm (also known as the hub-and-spoke system) is a form of transport topology optimization in which traffic planners organize routes as a series of "spokes" that connect outlying points to a central "hub".
Source: Adapted from community discussion — HeatSquad77
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Question 223 · 610 in bank
A network administrator is installing a network for a small company. The switches will be installed in parallel to provide redundancy in case a specific device fails. Which of the following should be configured to prevent loops?
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Answer: A
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Question 224 · 610 in bank
Which of the following functions is used to prioritize network traffic based on the type of traffic?
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Answer: A
Explanation
QoS allows network administrators to classify different types of traffic and assign priority levels to them, ensuring that critical applications receive preferential treatment over less important traffic.
Source: Adapted from community discussion — Nateforreal
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Question 225 · 610 in bank
Select 2
Which of the following most likely determines the size of a rack for installation? (Choose two.)
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Answer: BF
Explanation
B. Switch depth F. Server height Explanation: Switch depth (B): The depth of network switches and other equipment that will be installed in the rack can impact the rack's depth to ensure everything fits properly. Server height (F): Racks are often designed to accommodate specific server heights, typically measured in "rack units" (U). The height of the servers that will be installed in the rack is critical for determining the rack size.
Source: Adapted from community discussion — HeatSquad77
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Question 226 · 610 in bank
A network administrator is planning to implement device monitoring to enhance network visibility. The security team requires that the solution provides authentication and encryption. Which of the following meets these requirements?
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Answer: D
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Question 227 · 610 in bank
A network administrator needs to change where the outside DNS records are hosted. Which of the following records should the administrator change at the registrar to accomplish this task?
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Answer: A
Explanation
The correct answer is A. NS (Name Server). To change where the outside DNS records are hosted, the network administrator needs to update the NS (Name Server) records at the domain registrar. NS records specify which DNS servers are authoritative for the domain. When the administrator updates the NS records, they are directing queries for the domain to the new DNS servers. Here's what the other records do: B. SOA (Start of Authority): The SOA record indicates the start of a zone and includes details like the primary DNS server and the email of the domain administrator. While important for DNS zone configuration, changing the hosting of DNS records typically requires updating the NS records, not the SOA record. C. PTR (Pointer): PTR records are used for reverse DNS lookups, mapping an IP address to a domain name. They are not used to control where DNS records are hosted. D. CNAME (Canonical Name): A CNAME record is used to alias one domain name to another. Changing DNS hosting typically involves modifying the NS records, not CNAME records. Thus, to change the DNS hosting, the administrator should modify the NS records at the domain registrar.
Source: Adapted from community discussion — TheCrumbs
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Question 228 · 610 in bank
A support agent receives a report that a remote user's wired devices are constantly disconnecting and have slow speeds. Upon inspection, the support agent sees that the user's coaxial modem has a signal power of -97dB. Which of the following should the support agent recommend to troubleshoot the issue?
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Answer: A
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Question 229 · 610 in bank
SIMULATION - After a recent power outage, users are reporting performance issues accessing the application servers. Wireless users are also reporting intermittent Internet issues. INSTRUCTIONS - Click on each tab at the top of the screen. Select a widget to view information, then use the drop-down menus to answer the associated questions. If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
This is an interactive task on the real exam — a drag-and-drop, hotspot or ordering question. There is nothing to select here, so the answer is shown below for reference.
Show the answer figure
Answer: See figure below
Explanation
The first answer is WAN 2. WAN 2 has better average throughput and less downtime which makes it better for VoIP traffic. The second answer is Router A. Under ping time it says "request timed out" and total traffic is 0gbit/s. This means there is a connectivity issue. The Third Answer is 206.208.133.9. This IP has 104.69gb of traffic making it the workstation with the most traffic.
Source: Adapted from community discussion — ojones888
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Question 230 · 610 in bank
Which of the following does OSPF use to communicate routing updates?
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Answer: C
Explanation
The correct answer is: C. Multicast OSPF (Open Shortest Path First) uses multicast to communicate routing updates with other routers. Specifically, it sends updates to the following multicast addresses: 224.0.0.5: All OSPF routers 224.0.0.6: All OSPF designated routers (DRs) Using multicast allows OSPF to efficiently share routing information only with routers that are configured to participate in the OSPF process, rather than broadcasting to all devices on the network.
Source: Adapted from community discussion — ba10f26
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