N10-009 practice questions 141–150

1. Question 141 · 610 in bank

   Several users in an organization report connectivity issues and lag during a video meeting. The network administrator performs a tcpdump and observes increased retransmissions for other non-video applications on the network. Which of the following symptoms describes the users' reported issues?

   • ALatency
   • BPacket loss
   • CBottlenecking
   • DJitter

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   Answer: B

   Explanation

   When packets are dropped due to congestion ( packet loss ), the sending device has to retransmit them, leading to increased retransmissions.

   Source: Adapted from community discussion — 93831b0

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2. Question 142 · 610 in bank

   Select 2

   An administrator enables DNS filtering on the firewall to block users from visiting malicious websites. Which of the following should the administrator also do? (Choose two.)

   • ADisable DoH in users’ internet browsers.
   • BUpdate NS record to point to DNS filter servers.
   • CBlock port 443 to the malicious websites.
   • DBlock port 53 to servers on the internet.
   • EDisable TLS v1.3 in users’ internet browsers.
   • FImplement DNSSEC for corporate records.

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   Answer: BF

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3. Question 143 · 610 in bank

   Which of the following is concerned with guaranteed availably of a cloud resource?

   • AIPAM
   • BSLA
   • CMTBF
   • DEOL

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   Answer: B

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4. Question 144 · 610 in bank

   A network consultant needs to decide between running an Ethernet uplink or using the built-in 5GHz point-to-point functionality on a WAP. Which of the following documents provides the best information to assist the consultant with this decision?

   • ASite survey results
   • BPhysical diagram
   • CService-level agreement
   • DLogical diagram

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   Answer: A

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5. Question 145 · 610 in bank

   A company's office has publicly accessible meeting rooms equipped with network ports. A recent audit revealed that visitors were able to access the corporate network by plugging personal laptops into open network ports. Which of the following should the company implement to prevent this in the future?

   • AURL filters
   • BVPN
   • CACLs
   • DNAC

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   Answer: D

   Explanation

   NAC - Network Access Control. Even though the users can still plug into the ports they will not be authenticated to be connected and use the network

   Source: Adapted from community discussion — BobbyCruz111

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6. Question 146 · 610 in bank

   While troubleshooting connectivity issues, a junior network administrator is given explicit instructions to test the host’s TCP/IP stack first. Which of the following commands should the network administrator run?

   • Aping 127.0.0.1
   • Bping 169.254.1.1
   • Cping 172.16.1.1
   • Dping 192.168.1.1

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   Answer: A

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7. Question 147 · 610 in bank

   Which of the following panels would be best to facilitate a central termination point for all network cables on the floor of a company building?

   • APatch
   • BUPS
   • CMDF
   • DRack

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   Answer: A

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8. Question 148 · 610 in bank

   Which of the following is most commonly associated with many systems sharing one IP address in the public IP-addressing space?

   • APAT
   • BNAT
   • CVIP
   • DNAT64

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   Answer: A

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9. Question 149 · 610 in bank

   A network administrator is reviewing a production web server and observes the following output from the netstat command:

   

   Which of the following actions should the network administrator take to harden the security of the web server?

   • ADisable the unused ports.
   • BEnforce access control lists.
   • CPerform content filtering.
   • DSet up a screened subnet.

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   Answer: A

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10. Question 150 · 610 in bank

    A small company has the following IP addressing strategy: User subnet: 192.168.1.0/24 - Voice subnet: 192.168.2.0/24 - Server subnet: 192 168.10.0/24 - A user is unable to connect to the company fileshare server located at 192.168.10.1. The user's networking configuration is:

    

    Which of the following will most likely correct the issue?

    • AChanging the IPv4 address to 192.168.10.1
    • BChanging the subnet mask to 255.255.255.0
    • CChanging the DNS servers to internet IPs
    • DChanging the physical address to 7A-01-7A-21-01-50

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    Answer: B

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N10-009 practice, question 141. 610 questions available.