Download Network Troubleshooting and Configuration and more Exams Nursing in PDF only on Docsity!
NETWORKING FINAL EXAM 2024/2025 WITH 100%
ACCURATE SOLUTIONS
Which of the following DBMS applications would you use if you were to organize data into tables and records? - Answer ✔✔Microsoft SQL Server Your client has hired you to change the command-line tool from nslookup to dig since it provides more detailed domain information than nslookup. Which of the following commands will you use to install dig on the Window operating system? - Answer ✔✔apt-get install dnsutils A client has hired you to help him with a client-server application for Windows so that he is able to transfer files. Which of the following applications will you suggest so that the client can transfer such files between two computers? - Answer ✔✔CuteFTP JHS Mediaworks has contacted you to troubleshoot some TCP/IP errors on some workstations within the organization. On inspection, you get to know that the workstations functioning on Windows are all stable and the ones running on UNIX and Linux systems are the ones that need troubleshooting. Which of the following command-line tools will you use in such a scenario to view and manage the TCP/IP settings? - Answer ✔✔ip The administrator at JK Cements wants you to assign a port number other than the standard port 80 to a web server on the Internet so that
several people within the organization can test the site before the web server is made available to the public. To reach the web server, which type of port number must a tester enter in the browser address box along with the web server's IP address? - Answer ✔✔A private port number Which of the following transceivers supports up to 10 Gbps? - Answer ✔✔XFP Warner is employed as a network engineer and part of his job requires him to measure the RSSI (received signal strength indicator) on the receiver's end. Warner is required to measure the RSSI and fill out a form indicating whether the signal is acceptable or not. During one such visit, the client's device's RSSI level reads -80 dBM. Analyze what Warner should report in such a scenario. - Answer ✔✔Mark the rating as not good Your client has hired you to troubleshoot a network error. On inspection, it can be seen that the client has a static IP address, subnet mask, and default gateway all configured correctly. You open a browser to check the connection, and you can't get to a web page. You open a PowerShell window, ping the gateway, and ping Google's public DNS server, and everything is working. But you still can't navigate to websites. What kind of problem are you most likely to be experiencing? - Answer ✔✔Incorrect DNS Which of the following client-server applications use Apache and Nginx? - Answer ✔✔Web service
standards he should follow under such circumstances. - Answer ✔✔1000BASE-LX What is the frequency range for Bluetooth communication? - Answer ✔✔2.4 GHz-2.4835 GHz While setting up a network segment, you want to check the functionality of a cable before putting connectors on them. You also want to measure the termination point or damage in the cable. Which of the following tools would you use to identify this? - Answer ✔✔Cable performance tester The University of Oklahoma has hired you as a network engineer, and you are required to remote into a LINUX server of the legal department building, which is located on the same block. Which of the following protocols will you apply in this case? - Answer ✔✔SSH Which of the following elements in a Domain Name System is a DNS client that requests information from DNS name servers? - Answer ✔✔Resolvers A client contacted you to avail your services of cable installation. The requirement is to set up a connection which connects workstations to the data room, and the distance between them spans 87 meters. Which of the following cabling methods would be an ideal option for this assignment?
- Answer ✔✔Horizontal Cabling
Joffrey plans on installing a terminal emulator for a small organization so that he can control the office computers for troubleshooting issues. Joffrey is working as an intern for IVP Internet Solutions, which is an ISP. Analyze which of the following terminal emulators will be more suitable for James as he is new to his job and not well-equipped to handle complex layers of programming. - Answer ✔✔RDP Which of the following multiplexing types divides a channel into multiple intervals of time, or time slots? - Answer ✔✔TDM JK Group of Industries is planning a complete revamp of the office infrastructure, and so it has hired Infrared Solutions to upgrade its network connections. It has also requested Infrared Solutions to ensure that this upgrade should not affect the day-to-day functionality within the office premises. Analyze what would be a proper option to carry out this upgrade. - Answer ✔✔Roll out changes in stages. Which of the following ports range from 49152 to 65535 and are open for use without restriction? - Answer ✔✔Dynamic and private ports You have just managed to send a fragmented IP packet across a network as the IP packets are larger than what the network allows. Which of the following bits in the flags section of an IPV4 field will you apply so that you can send a clear message across to the receiving host that there are more fragments on the way? - Answer ✔✔The third bit Which of the following is the third step in a network troubleshooting methodology? - Answer ✔✔Test your theory to determine the cause.
You are working as a network engineer with SkyNet Solutions. You have been sent to the Waylan Union High to establish a wireless link between the entrance facility and the main distribution frame. Which of the following cabling methods would you choose to complete the task at hand? - Answer ✔✔Backbone Cabling Which of the following protocols is used to synchronize clocks on computers throughout a network? - Answer ✔✔NTP Robert is the network administrator for JP Morgan. He made a hardware upgrade, which involved him bringing in new hard disks and NICs for the entire facility. Despite all this, he notices that the web server is taking twice as long to respond to HTTP requests. He has an impression that the reason for this might be the traffic going into and out of each NIC. Analyze which of the following utilities should Robert use to determine the traffic going in and out of each NIC. - Answer ✔✔netstat Which of the following protocols creates a frame around the payload by adding both a header and a trailer to the payload? - Answer ✔✔Ethernet Britain Airways has complained of a faulty NIC as a result of which they are having connectivity issues within the organization. You, as a senior technician, want to find out the manufacturer of the NIC so that you can submit a report of constant bugs in their device. Which of the following addresses will help you to identify the manufacturer of the NIC? - Answer ✔✔Organizationally Unique Identifier
What is the maximum allowable distance for horizontal cabling? - Answer ✔✔100m Sundareshan has been working as a senior technician at Reifenhauser Corporation. The managing director has requested Sundareshan to establish a similar network connection at his personal property. Which of the following categories of routers should Sundareshan prefer in such a scenario? - Answer ✔✔A combo device Which of the following network devices does not fall under the category of "end devices" as certified by CISCO? - Answer ✔✔Router Yours Eventfully is a talent acquisition firm that wants to install biometric methods such as hand scanning at its office for which you have been contracted. Your job as a network engineer is to create an encrypted TLS tunnel between the supplicant and the server before proceeding with the usual EAP process. Which of the following versions of EAP will you use in this scenario? - Answer ✔✔PEAP Joseph is the managing director of Ideakt Cellular World Pvt Ltd., and he wants you to create an IPv6 network that has one-to-one type of data transmission between his personal department and the company's administration office. Which of the following types of IPv6 addresses would you apply in such a situation? - Answer ✔✔Unicast address Which of the following utilities is also known as a packet sniffer? - Answer ✔✔tcpdump
be the acknowledgment number for the return message in this case? - Answer ✔✔ 300871 While analyzing an intermittent error, James, an independent contractor for HKV Infrastructures, finds that the destination host is constantly asking the source to retransmit the data. He finds that the bug might be related to the transport layer of the OSI model. Since the TCP provides reliable delivery protocols, analyze which of the following characteristics of the TCP protocol James should check to fix this error. - Answer ✔✔checksum What should be the ideal procedure after implementing the solution to a network troubleshooting problem? - Answer ✔✔Verify functionality and implement preventive measures. The University of Kingston has hired you to install a private area network for its campus so that students and teachers from various departments can exchange data among themselves. Which of the following network models would be best suited for such an institution? - Answer ✔✔CAN White Heavens Entertainment Ltd. has set up a new website for informing people in detail about events that are being planned across the city of Los Angeles. However, when a user tries to gain access to its website to purchase tickets, there seems to be an IP error as a result of which the site crashes. Analyze which of the layers of the OSI model must be checked to fix this error. - Answer ✔✔Network layer
Which of the following ports are used by applications such as Telnet, FTP, and HTTP? - Answer ✔✔Well-known ports What is the service that offers a central authentication point for wireless, mobile, and remote users called? - Answer ✔✔RADIUS What is the data passed between utility programs or applications and the operating system known as? - Answer ✔✔Payload Which of the following is the third step in a network troubleshooting methodology? - Answer ✔✔Test your theory to determine the cause. James has been contracted to set up a wireless network for a supermarket. The IT department of the supermarket wants James to develop a mesh network of APs in order to offer customers Internet access and selective discount coupons. James has decided that he will have to add additional security options for this purpose. Analyze which of the following will help James fix the issue. - Answer ✔✔Use Geofencing security technique Which of the following tools measures the amount of light power transmitted on a fiber-optic line? - Answer ✔✔OPM (optical performance monitoring) A client contacted you to avail your services of cable installation. The requirement is to set up a connection which connects workstations to the data room, and the distance between them spans 87 meters. Which of the
Which of the following cables comes coated with a flame-resistant jacket? - Answer ✔✔Plenum cable Which of the following multiplexing technologies would you use with fiber-optic cable? - Answer ✔✔WDM Which of the following consists of high capacity data storage devices in a distinctly defined network segment? - Answer ✔✔SAN You are a freelance software engineer who has been hired to troubleshoot an error with the antivirus software of a particular computer of an employee where he gets an invalid password message. Which of the following methods will you use in such a scenario? - Answer ✔✔Use a top-to-bottom OSI layers approach What is a graphical representation of network devices and connections known as? - Answer ✔✔A network diagram You are working as a network administrator for an ISP. You receive a complaint about fluctuations in the network speed despite using a fiber- optic cable. On checking the situation, you are of the opinion that you will need to cut a clean slice through the fiber strands. Which of the following kits should you carry for this purpose? - Answer ✔✔Fiber cleaver
Which of the following protocols is used by the echo request and echo reply of ping to carry error messages and information about a network? - Answer ✔✔ICMP Which of the following terms refers to the amount of data you can theoretically transmit during a given period of time? - Answer ✔✔Bandwidth A small office providing television services in Chicago has contacted Mark, a network administrator, to set up a network connection for their operations. The total strength of devices will not exceed 10, and so Mark decides that a LAN connection is all that is required for their functionality. Mark, however, wants to ensure that the devices are connected centrally, and for this purpose he plans on installing a central switch. Analyze which physical topology is best suited for this purpose.
- Answer ✔✔A star topology The State of Nevada has organized a gaming championship for which you have been contracted to set up the network connection. The championship is a seven-day long affair with a heavy influx of participants. Which of the following protocols would you choose in setting up such a network? - Answer ✔✔UDP Brent recently received funding for his fast-food chain in Michigan. As a result, he hires Angela to set up a top-level domain so that she can start an online delivery system through his web portal as well. He wants Angela to put a unique domain name so that his website appears a little different from the other competitors. Analyze which of the following top
Which of the following is not a recognized cabling type for horizontal cabling as per the ANSI/TIA standards? - Answer ✔✔Patch Cable James, a supporting technician, is trying to resolve an issue pertaining to the router. On inspecting the issue, he figured that the router was unable to move packages from one node to another. As a resolution to this problem, he intends to follow the OSI model for troubleshooting. What layer of the OSI model should he inspect to understand the issue relating to the router? - Answer ✔✔the Network Layer Which of the following remote access methods requires a virtual connection to remotely access resources between a client and a network?
- Answer ✔✔VPN Which of the following security threats involves an interception of the network keys communicated between clients and access points? - Answer ✔✔WPA attack Which of the following is a collection of protocols that performs both authentication and encryption? - Answer ✔✔SSH You are adding new cables to a data outlet where you have to run the cables above the ceiling tile. What kind of cables should you use in such a scenario? - Answer ✔✔Plenum-rated cable
Which of the following addresses can be identified as an APIPA address? - Answer ✔✔169.254.0. You are a network engineer at Star Fisheries Ltd., Chicago. They want you to send an encrypted email to their branch office at Michigan. In doing so, which of the OSI layers would you apply? - Answer ✔✔Presentation layer Which of the following will help you to determine an AP arrangement that will ensure reliable wireless connectivity? - Answer ✔✔Site survey Which of the following statements stands true? - Answer ✔✔An email can be downloaded to the client computer using POP3. Which of the following consists of high capacity data storage devices in a distinctly defined network segment? - Answer ✔✔SAN What is help desk software used for? - Answer ✔✔To document problems and their resolutions Which of the following terms is also referred to as a "network of networks"? - Answer ✔✔Backbone Which of the following server racks would you use for a bolt-free mounting? - Answer ✔✔Square-hole racks
Name the phenomenon where a wireless signal is split into secondary waves, when it encounters an obstruction? - Answer ✔✔Diffraction Which of the following 802.11 wireless standards operates in the 6-GHz frequency band? - Answer ✔✔802.11ax Which of the following 802.11 wireless standards has a theoretical throughput of 11 Mbps? - Answer ✔✔802.11b What is the service that offers a central authentication point for wireless, mobile, and remote users called? - Answer ✔✔RADIUS What creates and manages a VM (virtual machine) and allocates hardware resources for the host and any of its guest VMs? - Answer ✔✔Hypervisor Which of the following is a multipath link-state protocol? - Answer ✔✔TRILL Which of the following cloud models makes resources available to users through a WAN connection? - Answer ✔✔Private Cloud Identify the current name of a DMZ (demilitarized zone). - Answer ✔✔Screened Subnet
What will be the number of hosts per subnet in a 255.255.255.240 IPv class C subnet mask? - Answer ✔✔ 14 When a router connects to a switch that supports multiple VLANs, it is sometimes called - Answer ✔✔a router-on-a-stick Which of the following carries user-generated traffic, such as email, web browsing, or database updates? - Answer ✔✔Data VLANS The part which identifies the network in an IPv4 address is known as - Answer ✔✔The Network ID Calculate the total number of hosts per subnet that you can derive from the network ID 192.168.1.0 255.255.255.224 - Answer ✔✔ 30 Which of the following protocols can detect and correct link failures in milliseconds? - Answer ✔✔RSTP What is the downtime per day for a system showing 99.9% availability?
- Answer ✔✔1 minute and 26 seconds A distinct network of storage devices that communicate directly with each other and with other portions of the network? - Answer ✔✔a SAN How many bits are used in a network with a subnet of 255.0.0.0? - Answer ✔✔ 8
