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Network + post assignment 2025/2026, Exams of Network security

Walden UniversityNetwork security

Network + post assignment 2025/2026

Typology: Exams

2025/2026

Available from 05/07/2026

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Network + post assignment 2025/2026
- answers>>
A company has a website that has seen a large increase in visitors and they are
concerned that if the trend continues, the web server's performance will be
compromised. You have been asked to help solve this problem without having to
replace the current server. What can you do? - answers>>Install second server and
load balancer
A company negotiates with a service provider for Frame Relay service. At the
conclusion, the company and service provider sign an agreement specifying the
bandwidth and the availability of the service. What document was signed? -
answers>>SLA
A man receives a fraudulent email from his bank asking him to confirm his user name
and password by going to a particular website. What has occurred? -
answers>>Phishing Attack
A network administrator has been tasked with configuring access to the Internet for
about 50 computers. The administrator has been told that all Internet access should go
through a single computer so incoming and outgoing traffic can be screened and only
that computer should have an address revealed to the Internet. What should the
administrator set up? - answers>>Proxy Server
A network administrator manages a network with 75 servers. At least twenty of those
servers are approaching end of life but the applications they are running are still critical.
The administrator wants to consolidate the older servers into about five servers while
maintaining isolation among the applications. What should the administrator implement?
- answers>>Server Virtualization
A network administrator wants to provide backup power for his datacenter. He will be
using a generator. What type of power does a generator produce and what other
component is needed to provide the type of power required for a datacenter? -
answers>>Produce DC power, need an inverter
A network has four switches, each with twenty computers connected to the switch ports.
Each set of twenty computers been assigned a different IP network number. What is
required for all computers to communicate with each other? - answers>>Router
A network technician has been asked to make a connection between two switches in an
IDF and MDF using 1000BaseSX Ethernet. The IDF and MDF are about 85 meters
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Network + post assignment 2025/

  • answers>> A company has a website that has seen a large increase in visitors and they are concerned that if the trend continues, the web server's performance will be compromised. You have been asked to help solve this problem without having to replace the current server. What can you do? - answers>>Install second server and load balancer A company negotiates with a service provider for Frame Relay service. At the conclusion, the company and service provider sign an agreement specifying the bandwidth and the availability of the service. What document was signed? - answers>>SLA A man receives a fraudulent email from his bank asking him to confirm his user name and password by going to a particular website. What has occurred? - answers>>Phishing Attack A network administrator has been tasked with configuring access to the Internet for about 50 computers. The administrator has been told that all Internet access should go through a single computer so incoming and outgoing traffic can be screened and only that computer should have an address revealed to the Internet. What should the administrator set up? - answers>>Proxy Server A network administrator manages a network with 75 servers. At least twenty of those servers are approaching end of life but the applications they are running are still critical. The administrator wants to consolidate the older servers into about five servers while maintaining isolation among the applications. What should the administrator implement?
  • answers>>Server Virtualization A network administrator wants to provide backup power for his datacenter. He will be using a generator. What type of power does a generator produce and what other component is needed to provide the type of power required for a datacenter? - answers>>Produce DC power, need an inverter A network has four switches, each with twenty computers connected to the switch ports. Each set of twenty computers been assigned a different IP network number. What is required for all computers to communicate with each other? - answers>>Router A network technician has been asked to make a connection between two switches in an IDF and MDF using 1000BaseSX Ethernet. The IDF and MDF are about 85 meters

apart. The technician brings an adequate length of Cat6a cable to make the connection but finds that he is unable to make a connection. What is the problem? - answers>>He needs a multimode fiber cable A network technician is asked to send ICMPv6 packets to the IPv6 loopback address on her computer. What command will the technician use? - answers>>Ping:: A network technician is meeting with a representative of an ISP to inspect the facility where a new WAN connection will be made. Where should the technician meet the representative? - answers>>MDF A number of computers have been reported to be getting incorrect IP addresses. After doing some investigating, an unauthorized DHCP server has been determined to be the cause. Which step in the troubleshooting process should be performed next? - answers>>Establish a plan of action to find the DHCP server A recent audit has prompted a lengthy search for the whereabouts of high-value equipment. While the equipment was eventually found, you want to ensure that you don't have to waste time in the future searching for your equipment. What can you put in place to keep track of your equipment? - answers>>Asset Tracking A startup company has an idea for a new medical records application. The company wants to develop the application so it can be run on multiple OSs. However, they have limited funds to build the development environment that is necessary to create and test the application properly. What service should they consider? - answers>>Public Paas A technician has run an MMF cable from the IDF to the MDF and is not getting a strong signal. He needs to check the length of the cable and see if there are any breaks or mismatched connectors. What should he use? - answers>>OTRD A technician is installing RG6 cable and asks you to retrieve a connector from the parts drawer. What type of connector do you need? - answers>>F-Connector A user is unable to connect to a server with address 172.21.100.100. A technician troubleshooting the problem enters the ipconfig command and sees the output shown below. What should be done to resolve the problem? Ethernet adapter Ethernet0: Connection-specific DNS Suffix. : Link-local IPv6 Address..... : fe80::ec42:7e6a:d2d4:5410% IPv4 Address........... : 172.31.210. Subnet Mask........... : 255.255.255.

triggered in the event someone is detected roaming the premises after business hours. What are you most likely to deploy? - answers>>Motion Detection Several users on the second floor of your company's building are reporting that the network is down. You go to the second floor to investigate and find that you are able to access the network. What troubleshooting step should you take next? - answers>>Question User The default VLAN on a switch has been assigned an IP address of 172.19.0.64/27 with a default gateway of 172.19.0.94. You can't ping the switch from your workstation that has the address 172.19.0.66/27 but you can ping your default gateway that has the address 172.19.0.94. Why can't you ping the switch? - answers>>Switch Has Wrong Ip Address The Webmaster for a company installed a certificate on a Web server to provide secure communication between the Web server and Web browsers. What protocol will be used to provide a secure channel? - answers>>SSL Three Cat 5e cables were run from an office area to three computers in a machine shop. Work took place on the weekend when the machine shop was closed. The network is using 1000BaseT switches and all the NICs are 1000BaseT compatible. The longest run of cable is 85 meters. All cabling was certified and network connectivity was verified. On Monday, the users of the computers report very slow network performance and the switch reports CRC errors. What is the most likely reason for the problems? - answers>>External EMI/RFI To improve performance on an iSCSI SAN, a network technician configured an MTU value of 9000 on the Ethernet LAN. What did the technician configure? - answers>>Jumbo Frames What type of connector is used with an SFP port? - answers>>SC LC When two or more WAPs are installed in close proximity, what must be different on each WAP to avoid problems? - answers>>Channel Which authentication protocol uses PKI to provide mutual authentication? - answers>>EAP-TLS Which cell phone technology uses a spread-spectrum technique that uses codes on the packets to keep calls separated? - answers>>CDMA Which device is used to detect suspicious packets and provides information about possible violations to a management station? - answers>>IDS

Which device should you install that will give your mobile users secure remote access to the company servers through the public Internet? - answers>>VPN Concentrator Which device uses CSMA/CD when the interface is set to half duplex mode? - answers>>Ethernet NIC Which layer of the OSI model should you examine if you want to troubleshoot a problem with the HTTP protocol? - answers>>Application Which networking model should you use to allow the users on each computer to control access to their own shared folders and printers without centralized control? - answers>>Peer-to-Peer Which of the following best describes the IEEE 802.11b standard? - answers>>2.4 Ghz, 11 Mbps Which of the following devices works with frames and MAC addresses and supports STP? - answers>>Switch Which of the following is a private IP address? - answers>>172.30.99. Which of the following is a valid example of an IPv6 link local address? - answers>>FE80:: Which of the following is an authentication protocol that encrypts the username, authorization, and accounting information, works only over TCP, and was developed by Cisco? - answers>>TACACS+ Which of the following is associated with SNMP software? (Choose two.) - answers>>MIB TRAP Which of the following is found in the intermediate distribution frame and is used to terminate cabling coming from the work area? - answers>>Patch Panel Which of the following is the PDU used by a connection-oriented Transport layer protocol? - answers>>Segment Which of the following separates multiple signals on the same medium by using time slots where each time slot carries data to a different destination or carries a different type of data to the same destination? - answers>>TDM

full-duplex, and do not support auto-MDIX. After making the connection, the link status light for both ports remains off. What is the most likely problem? - answers>>Wrong Cable Termination While using a protocol analyzer, you see a packet with UDP source port 68 and destination port 67. What are you seeing? - answers>>A DHCP packet going from the DHCP client to the DHCP server You are a network administrator for a company that has two buildings. You are setting up a wireless network so users can maintain a network connection as they move between buildings. What should you be sure to configure on your WAPs to give the wireless users the best mobile experience? - answers>>Set SSIDs to match You are about to deploy a new server that will contain sensitive data about your clients. You want to test the server to look for problems that might allow an attacker to gain unauthorized access to the server. This testing should not attempt to exploit weaknesses, only report them. What type of test should you perform? - answers>>Vulnerability Scan You are capturing packets with a network sniffer and notice a number of packets that are flagged by the sniffer and described as TCP retries. Which layer of the OSI model should you investigate? - answers>>Transport You are configuring an AP for a WLAN. You want to use the strongest encryption supported by the device. Which of the following should you choose? - answers>>WPA 2 You are configuring some new network printers and you want to be sure the printers are always dynamically assigned the same IP address. What should you configure? - answers>>DHCP Resveration You are familiar with SSH and are happy with the level of security it provides. You want similar secure communication for file transfers on your network. What should you use? - answers>>SFTP You are going to be installing a videoconferencing system. One of the requirements of the system is that only workstations that run the conferencing client application receive packets related to the videoconference. You need to assign an address to the videoconferencing application. Which of the following addresses is appropriate? - answers>>229.1.100. You are investigating a problem between two wireless bridges and you find that signal strength is lower than expected. Which of the following could cause the problem? - answers>>Wrong Antenna Type

You are planning on a redesign of your network that will involve adding two VLANs and reconfiguring some IP subnets. What should you do first? - answers>>Submit change request document You are planning to configure a voice and video system that will use TCP/IP. You need to study the protocols and devices you might be using to deploy the system. Which of the following are you likely to study? (Choose two.) - answers>>SIP H. You arrive at a customer site to resolve a problem with a router. After logging on to the router, you find that it uses a different operating system than the routers you are familiar with. Which troubleshooting step should you take next? - answers>>Escalate the Problem You have been asked to examine the status of antivirus software, security patches, and open ports. When you are finished, you should provide a report of your findings. What have you been asked to perform? - answers>>Posture Assignment You have been asked to install a device that supports WPA2 and 802.11ac. What device should you install? - answers>>WAP You have been asked to install a physical security control that will prevent unauthorized users from accessing the server room. Which of the following should you install? - answers>>Proximity reader You have been asked to install a WLAN for a small business. You centrally locate the WAP in a large room that contains about 15 cubicles where employees work with their mobile devices. You test connectivity from all locations and find that signal strength is good throughout the room. Several months later, you are called to troubleshoot connectivity problems at the site. You find that the large room was divided into two smaller rooms by a floor to ceiling wall with metal studs. What is the most likely reason for the connectivity problems? - answers>>Interference You have been called to terminate a DS3 connection at a customer site. What type of connector should you bring to terminate the copper cable? - answers>>BNC You have been tasked with hardening some of the routers and switches on your network. Currently, your network administrators use telnet to remotely manage the devices. What can you do to make those devices more secure? - answers>>Use SSH for remote management instead of Telnet You have just finished configuring a router on your corporate network that consists of several subnets. Some users have informed you that they have access to some of the

Your company is using standard structuring cabling techniques. You need a spreadsheet created that tells you which switch port in the IDF each PC is plugged into. Which of the following will help you with this task? (Choose two.) - answers>>Patch Pannel labelling Wall Jack Labelling