N10-008 practice questions 721–730

1. Question 721 · 871 in bank

   Which of the following OSI model layers will ensure messages are transmitted to their destinations and no data is duplicated?

   • ASession
   • BData link
   • CNetwork
   • DTransport

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   Answer: D

   Explanation

   I found this on the BMC.com : Transport. The fourth layer of the OSI model ensures complete and reliable delivery of data packets. The transport layer provides mechanisms such as error control, flow control, and congestion control to keep track of the data packets, check for errors and duplication, and resend the information that fails delivery.

   Source: Adapted from community discussion — TopUp

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2. Question 722 · 871 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

   1. The reason is that wan 2 has only 0.01% loss which and latency and jitter is lower which is important in VOIP traffic. Higher latency and jitter will result to delay in calls. 2. Router A because ping failed. And for the last question I think the correct answer should be 10.1.90.53 because the question is asking for a workstation

   Source: Adapted from community discussion — 8c5c521

   

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3. Question 723 · 871 in bank

   SIMULATION - A network technician was recently onboarded to a company. A manager has tasked the technician with documenting the network and has provided the technician with partial information from previous documentation. INSTRUCTIONS - Click on each switch to perform a network discovery by entering commands into the terminal. Type help in each terminal to view a list of available commands. Fill in the missing information using the drop-down meus provided. 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

   I had this on my test. I passed 3 days ago. It was simple. All you need to do is go to the core 1 switch and run the help and then use the cmd to look at the arp table and cross reference data. It's super simple on the test seeing it here did help.

   Source: Adapted from community discussion — Foxxyfiree

   

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4. Question 724 · 871 in bank

   Users report that a database server responds slowly or drops connections to other servers at random during busy times. A technician notices the database and servers are connected to an access switch in the office. Which of the following should the technician do to improve the performance of the database server?

   • AUse different ports on the access switch.
   • BImplement LACP on the connection to the database server.
   • CMove the cable connection for users to the same switch as the database server.
   • DMove the server connection from the access switch to the core switch.

   Show answer

   Answer: D

   Explanation

   I don't normally like ChatGPT, but I actually think its response is helpful here to clarify: While implementing LACP could help distribute traffic more evenly across multiple links and provide redundancy, it may not fully address the performance issues experienced during busy times. Therefore, moving the server connection to the core switch (option D) is likely to be a more comprehensive solution in this scenario.

   Source: Adapted from community discussion — bdemps98

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5. Question 725 · 871 in bank

   An application is not working. When the log files are reviewed, the application continuously tries to reach the following destination:

   

   Which of the following is most likely associated with this IP address?

   • AAPIPA
   • BDefault gateway
   • CLink local
   • DLoopback

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   Answer: D

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6. Question 726 · 871 in bank

   A technician wants to assign addresses to PCs on a subnet that uses IPv4 and IPv6. The DHCP server only supports IPv4. Which of the following can the technician use to assign IPv6 addresses without DHCP?

   • ASLAAC
   • BAPIPA
   • CMAC reservation
   • DIPv4 to IPv6 tunnel

   Show answer

   Answer: A

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7. Question 727 · 871 in bank

   A network technician is troubleshooting an issue that involves connecting to a server via SSH. The server has one network interface that does not support subinterfaces. The technician runs a command on the server and receives the following output:

   

   On the host, the technician runs another command and receives the following:

   

   Which of the following best explains the issue?

   • AA firewall is blocking access to the server.
   • BThe server is plugged into a trunk port.
   • CThe host does not have a route to the server.
   • DThe server is not running the SSH daemon.

   Show answer

   Answer: C

   Explanation

   Looking at the second part of the image, the routing table on the host shows two routes: A default route pointing to 31.242.12.9 via interface eth0. A route for the 192.168.1.0 network via eth1. However, the server's IP (10.10.10.15) is in a different network, which does not appear in the host's routing table. As a result, the host has no route to reach the 10.10.10.0 network, meaning the traffic isn't being directed properly to the server. Thus, the host needs a route added for the 10.10.10.0 network to resolve this connectivity issue.

   Source: Adapted from community discussion — a87d6a4

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8. Question 728 · 871 in bank

   Which of the following ports is commonly used by VoIP phones?

   • A20
   • B143
   • C445
   • D5060

   Show answer

   Answer: D

   Explanation

   Port 20 is typically associated with the File Transfer Protocol (FTP) data channel. FTP is used for transferring files between a client and a server. Port 20 is used for the actual data transfer in FTP, while Port 21 is used for the FTP control channel. Port 143 is associated with the Internet Message Access Protocol (IMAP). IMAP is an email protocol used for retrieving email messages from a mail server. Port 143 is the default port for non-secure IMAP connections. Port 445 is used for the Server Message Block (SMB) protocol. SMB is a network file sharing protocol commonly associated with Windows file sharing and printer sharing. It allows for the sharing of files, printers, and other resources on a network. Port 5060: Port 5060 is typically associated with the Session Initiation Protocol (SIP). SIP is a protocol used for initiating, maintaining, modifying, and terminating real-time sessions, such as voice and video calls over IP networks. It is commonly used for Voice over IP (VoIP) and other communication services.

   Source: Adapted from community discussion — osmaster

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9. Question 729 · 871 in bank

   A network technician is configuring a new subnet on the distribution switch to support 15 network printers. Which of the following available subnets is the best choice to support all 15 printers on the LAN?

   • A10.1.15.0/27
   • B10.8.4.0/30
   • C10.10.8.0/28
   • D10.15.1.0/29

   Show answer

   Answer: A

   Explanation

   GUYS WEVE GOT 15 PRINTERS SO 10.1.15.0/27 IS THE CORRECT ANSWER COZ 2^5=32 32-2 FOR NETWORK ID AN BROADCAST ITS GONNA BE 30 HOST EVEN IF IT IS MORE THAN ENOUGH BUT THAT THE ANSWER /28 IT WILL GIVE YOU 16-2 = 14 WE NOW SHOT WITH 1 HOST SO A IS THE ANSWER FELLAS

   Source: Adapted from community discussion — IT1992

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10. Question 730 · 871 in bank

    A user is trying to reach an internet destination. A systems administrator thinks that packets are being dropped in transit. Which of the following command-line tools would confirm if the packets are being dropped?

    • Anslookup
    • Btraceroute
    • Carp
    • Dtelnet

    Show answer

    Answer: B

    Explanation

    To confirm if packets are being dropped in transit, the traceroute command-line tool would be the most suitable. It maps out the path packets take to reach their destination, highlighting where any drops or delays occur along the route.

    Source: Adapted from community discussion — huradazimi

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N10-008 practice, question 721. 871 questions available.