FC0-U61 Infrastructure — All Questions With Answers

A user reports that their computer is unable to access the internet, but can access local network resources. Which of the following is the most likely cause?

Question 2easymultiple choice

A technician needs to set up a small office network with 15 computers. The computers should be able to communicate with each other and share a single internet connection. Which device is required to enable internet sharing?

Question 3hardmultiple choice

A company's server room is experiencing intermittent overheating. The administrator notices that the perforated floor tiles are blocked by equipment. What is the most likely consequence of this obstruction?

Question 4mediummultiple choice

A technician is troubleshooting a network slowdown. The technician suspects a loop in the network. Which of the following protocols would prevent such a loop?

Question 5easymultiple choice

A small business wants to set up a wireless network. Which of the following is the BEST security method to use?

Question 6hardmultiple choice

A company has a server that hosts a critical database. The server uses RAID 5 with three disks. One disk fails. What is the immediate impact on data availability?

Question 7mediummultiple choice

Read the full DNS explanation →

A user reports that they cannot print to a network printer. Other users can print to the same printer. Which of the following should the technician check FIRST?

Question 8easymultiple choice

Which of the following best describes the function of a DNS server?

Question 9hardmultiple choice

A technician is setting up a new computer on a network. The computer receives an IP address of 169.254.1.5. Which of the following is the most likely issue?

Question 10mediummultiple choice

A company wants to implement a backup solution that allows for quick restoration of individual files. Which backup type should be used?

Question 11easymultiple choice

Which device is used to connect multiple devices within the same network segment and forward data based on MAC addresses?

Question 12mediummulti select

Which TWO of the following are benefits of virtualization in a data center?

Question 13hardmulti select

Which THREE of the following are common methods for securing a wireless network?

Question 14easymulti select

Which TWO of the following are characteristics of a client-server network?

Question 15mediummulti select

Which THREE of the following are types of network topologies?

Question 16mediummultiple choice

Refer to the exhibit. The user is unable to browse the internet using domain names but can access websites by IP address. Which configuration is most likely incorrect?

Exhibit

Refer to the exhibit.

C:\Users\Admin> ipconfig /all

Ethernet adapter Local Area Connection:
   Connection-specific DNS Suffix  . : example.local
   IPv4 Address. . . . . . . . . . . : 192.168.1.100
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 192.168.1.1
   DHCP Enabled . . . . . . . . . . . : Yes
   DHCP Server . . . . . . . . . . . : 192.168.1.1
   DNS Servers . . . . . . . . . . . : 8.8.8.8
                                        8.8.4.4

Question 17hardmultiple choice

Refer to the exhibit. A technician is troubleshooting connectivity from a PC connected to the 192.168.1.0/24 network. The PC cannot reach the 10.0.0.0/24 network. What is the most likely cause?

Exhibit

Refer to the exhibit.

Device: Router
Interface: GigabitEthernet0/0
IP Address: 10.0.0.1
Subnet Mask: 255.255.255.0
Status: Administratively down

Interface: GigabitEthernet0/1
IP Address: 192.168.1.1
Subnet Mask: 255.255.255.0
Status: up/up

Question 18easymultiple choice

Refer to the exhibit. This JSON policy is associated with an IAM user. Which of the following actions is the user permitted to perform?

Exhibit

Refer to the exhibit.

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": "s3:GetObject",
      "Resource": "arn:aws:s3:::example-bucket/*"
    }
  ]
}

Question 19hardmultiple choice

A small business has 20 employees using a mix of wired and wireless devices. The network uses a single router with built-in 4-port switch and Wi-Fi. Recently, employees have reported intermittent connectivity drops, especially during peak hours. The technician notices that the router's CPU usage is consistently at 90% or higher. The business cannot afford to replace the router immediately. Which of the following actions would BEST improve the situation without purchasing new hardware?

Question 20mediummultiple choice

A company has a server room with two UPS units, each connected to a separate power circuit. The server room contains 10 servers, each with dual power supplies. One UPS fails and stops providing power. The administrator notices that half of the servers shut down, while the other half remain on. The servers that shut down were all connected to the failed UPS. However, the servers that remained on were also connected to the same UPS via their second power supply. Why did those servers not fail?

Question 21mediummultiple choice

A user reports that their laptop cannot connect to the corporate Wi-Fi. Other devices in the same area work fine. The network technician checks the laptop and sees that the wireless adapter is enabled and shows available networks, but the connection attempt to the corporate SSID fails with an authentication error. Which of the following is the MOST likely cause?

Question 22easymultiple choice

A small office uses a single ISP-provided modem/router combination device. Employees need to connect their desktops and printers to the network. Which of the following devices would allow them to connect multiple wired devices and also extend wireless coverage?

Question 23mediummulti select

A user reports that their laptop cannot connect to the corporate Wi-Fi. Other devices are working fine. Which TWO troubleshooting steps should the technician take first? (Choose TWO.)

Question 24hardmultiple choice

Read the full DHCP explanation →

Refer to the exhibit. A technician runs ipconfig /all on a user's computer. The user can access the internet but cannot browse to any websites by domain name. What is the most likely cause?

Exhibit

Refer to the exhibit.
C:\Users\Admin> ipconfig /all
Ethernet adapter Local Area Connection:
   Connection-specific DNS Suffix  . : contoso.com
   IPv4 Address. . . . . . . . . . . : 192.168.1.10
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 192.168.1.1
   DHCP Enabled. . . . . . . . . . . : Yes
   DHCP Server . . . . . . . . . . . : 192.168.1.1
   DNS Servers . . . . . . . . . . . : 192.168.1.1

Question 25easymultiple choice

A small office has five computers connected to a switch, which is connected to a router that provides internet access. The office uses a single printer connected to one computer and shared over the network. The router has built-in DHCP and assigns IP addresses in the 192.168.0.0/24 range. Recently, the office manager added a wireless access point (WAP) to allow guests to access the internet. The WAP is connected to the switch and configured with its own DHCP server handing out addresses in the 192.168.1.0/24 range. The manager notices that some office computers are unable to access the shared printer, while others can. The computers that cannot access the printer have IP addresses in the 192.168.1.0/24 range. The printer's IP address is 192.168.0.50. What is the most likely cause of the issue?

Question 26mediummultiple choice

A user reports that their laptop cannot connect to the corporate Wi-Fi network. Other users in the same area are connected without issues. The laptop shows it is connected to the Wi-Fi but has no internet access. Which of the following is the MOST likely cause?

Question 27hardmulti select

A network technician is troubleshooting a server that is not reachable from the LAN. The server has a static IP address of 192.168.1.100/24 and a default gateway of 192.168.1.1. The technician pings the gateway successfully but cannot ping the server from another workstation on the same subnet. Which TWO steps should the technician take to resolve the issue?

Question 28easymultiple choice

A technician runs the commands shown in the exhibit. Based on the output, which of the following can the technician conclude?

Exhibit

Refer to the exhibit.

C:\Users\Admin> ipconfig

Windows IP Configuration

Ethernet adapter Ethernet0:
   Connection-specific DNS Suffix  . : localdomain
   IPv4 Address. . . . . . . . . . . : 192.168.1.10
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 192.168.1.1

C:\Users\Admin> ping 192.168.1.1

Pinging 192.168.1.1 with 32 bytes of data:
Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
Reply from 192.168.1.1: bytes=32 time<1ms TTL=64

Ping statistics for 192.168.1.1:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss)

Question 29mediumdrag order

Drag and drop the steps to connect a laptop to a Wi-Fi network in Windows 10 into the correct order.

Drag steps to the numbered slots on the right, or tap a step then tap a slot.

Steps

Order

1Step 1

2Step 2

3Step 3

4Step 4

5Step 5

Question 30mediumdrag order

Drag and drop the steps to connect a Bluetooth device to a Windows 10 computer into the correct order.

Drag steps to the numbered slots on the right, or tap a step then tap a slot.

Steps

Order

1Step 1

2Step 2

3Step 3

4Step 4

5Step 5

Question 31mediummatching

Match each database concept to its description.

Drag a concept onto its matching description — or click a concept then click the description.

Concepts

Matches

Uniquely identifies each record

Links two tables together

Speeds up data retrieval

Requests data from a database

Question 32mediummatching

Match each cable type to its typical use.

Drag a concept onto its matching description — or click a concept then click the description.

Concepts

Matches

Ethernet networks up to 1 Gbps

Ethernet networks up to 10 Gbps

Long distance, high speed

Cable TV and broadband internet

Question 33easymultiple choice

A user cannot connect to the internet. Which step is most appropriate to start troubleshooting?

Question 34mediummultiple choice

A company wants to ensure data redundancy in case of a single hard drive failure. Which RAID level should they use?

Question 35hardmultiple choice

A technician is troubleshooting a network issue where a client cannot reach a server on a different subnet. The client's IP is 192.168.1.10/24, and the server's IP is 10.0.0.50/24. The client can ping its default gateway. Which device is most likely misconfigured?

Question 36mediummulti select

A technician is selecting a storage solution for a home server that requires fast access speeds and redundancy against a single drive failure. Which TWO technologies should be considered?

Question 37hardmulti select

A small business is expanding and needs to ensure their network infrastructure supports growth. Which THREE practices should they implement?

Question 38easymulti select

A user reports that their computer is not turning on. Which TWO hardware components should be checked first?

Question 39mediummultiple choice

Refer to the exhibit. A user is able to browse the internet using the Ethernet connection but not the Wi-Fi. What is the most likely cause?

Exhibit

C:\>ipconfig

Windows IP Configuration

Ethernet adapter Local Area Connection:
   Connection-specific DNS Suffix  . : example.com
   IPv4 Address. . . . . . . . . . . : 192.168.1.105
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 192.168.1.1

Wireless LAN adapter Wi-Fi:
   Media State . . . . . . . . . . . : Media disconnected

Question 40hardmultiple choice

Refer to the exhibit. A system administrator notices that the computer occasionally freezes and data read errors occur. What should the administrator do?

Exhibit

Error Log:
[2025-01-15 14:32:10] Disk 0 - S.M.A.R.T. status: FAILURE PREDICTED
[2025-01-15 14:32:10] Disk 0 - Reallocated sector count: 45
[2025-01-15 14:32:10] Disk 1 - Status: OK

Question 41easymultiple choice

Refer to the exhibit. A user cannot access the internet. What does this output indicate?

Exhibit

C:\>ping 8.8.8.8

Pinging 8.8.8.8 with 32 bytes of data:
Reply from 192.168.1.1: Destination host unreachable.
Reply from 192.168.1.1: Destination host unreachable.

Question 42hardmultiple choice

A technician is configuring a small office network with 15 computers. The computers need to share files and a printer. The technician decides to use a topology where each computer is connected to a central device. Which physical topology is being implemented?

Question 43easymultiple choice

A user wants to access a website but types the wrong URL. Which technology resolves domain names to IP addresses?

Question 44mediummultiple choice

A company stores sensitive data and wants to ensure that if a hard drive is stolen, the data cannot be read. Which security measure should be implemented?

Question 45mediummultiple choice

A network technician is setting up a wireless network. To minimize interference from neighboring networks, which wireless frequency band is typically less congested?

Question 46hardmultiple choice

A server has four hard drives configured in RAID 5. One drive fails. What must the technician do to restore full redundancy?

Question 47easymultiple choice

A user reports that their laptop battery drains quickly even when plugged in. What is the most likely cause?

Question 48easymultiple choice

A user reports that their computer cannot access the internet, but it can reach other devices on the local network. Which of the following is the MOST likely cause?

Question 49mediummultiple choice

A small office needs a network that is easy to set up and allows devices to connect without wires. The office has a single internet connection and about 15 devices. Which of the following is the BEST choice?

Question 50hardmultiple choice

A technician is troubleshooting a workstation that cannot connect to a server at 192.168.1.100. The workstation's IP configuration shows: IP: 192.168.2.50, Subnet: 255.255.255.0, Gateway: 192.168.2.1. Which of the following is the MOST likely cause of the connectivity issue?

Question 51easymultiple choice

A company wants to use a cloud service where they provide their own operating system and applications, but the provider manages the physical hardware and virtualization layer. Which cloud service model does this describe?

Question 52mediummultiple choice

A user reports that their printer is not working. The printer is connected via USB to a workstation, and other users can print to the same printer over the network. Which of the following should the technician check FIRST?

Question 53hardmultiple choice

A data center administrator is considering virtualization to consolidate multiple physical servers. Which of the following is the PRIMARY benefit of using virtual machines in this environment?

Question 54easymultiple choice

A technician is installing a new network in a home office. The devices are spaced far apart, and the technician needs to make long runs of cable. Which of the following cable types is BEST suited for this scenario to minimize signal loss?

Question 55mediummultiple choice

Read the full DHCP explanation →

A small business wants to set up a wireless network for employees and guests. The owners are concerned about unauthorized access. Which of the following security measures would be MOST effective to prevent outsiders from connecting?

Question 56hardmultiple choice

A network technician observes that a DHCP server is not issuing IP addresses to clients. The DHCP server is running on a Windows Server with a static IP of 192.168.1.10. Clients are on the same subnet. Which of the following should the technician check FIRST?

Question 57mediummulti select

Which TWO of the following are appropriate steps when troubleshooting a user's inability to access the internet? (Select TWO.)

Question 58hardmulti select

Which THREE of the following are examples of Infrastructure as a Service (IaaS) offerings? (Select THREE.)

Question 59easymulti select

Which TWO of the following are advantages of server virtualization? (Select TWO.)

Question 60mediummultiple choice

A user reports that they can access websites by IP address but not by domain name. Based on the exhibit, which of the following is the MOST likely cause?

Exhibit

Refer to the exhibit.

C:\> ipconfig

Ethernet adapter Local Area Connection:

   Connection-specific DNS Suffix  . : example.com
   IPv4 Address. . . . . . . . . . . : 192.168.1.50
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 192.168.1.254
   DNS Server . . . . . . . . . . . . : 192.168.1.100

Question 61hardmultiple choice

An administrator is configuring access to an S3 bucket. The policy is applied to an IAM user. Which of the following actions will the user be allowed to perform?

Exhibit

Refer to the exhibit.

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "s3:GetObject",
        "s3:PutObject"
      ],
      "Resource": [
        "arn:aws:s3:::my-company-bucket/*"
      ]
    }
  ]
}

Question 62easymultiple choice

A user is trying to print but receives the error shown in the exhibit. Which of the following is the MOST likely cause?

Exhibit

Refer to the exhibit.

Error: Printer offline

Printer status: 0x00000709

Print queue: 5 documents pending

Question 63easymultiple choice

A small office has five desktop computers that need to be connected to share files and a printer. Which network device should be used to create a local area network?

Question 64easymultiple choice

A user wants to connect a laptop to a corporate wireless network. What internal component must be present in the laptop?

Question 65easymultiple choice

A technician needs to verify that a twisted-pair Ethernet cable is wired correctly and has no breaks. Which tool should be used?

Question 66mediummultiple choice

A company has two office buildings 1.5 km apart and needs to connect their networks with a high-speed, reliable link. Which cabling type is most appropriate?

Question 67mediummultiple choice

A user can access the internet and other computers on the network but cannot print to a network printer that is on the same subnet. The printer's IP is 192.168.1.100. What is the most likely cause?

Question 68mediummultiple choice

A network administrator wants to automatically assign IP addresses to all devices on the network. Which service should be configured on the server?

Question 69hardmultiple choice

After a network upgrade, a user reports that their computer intermittently loses network connectivity. The link light remains on, but the activity light flashes rapidly and irregularly. What is the most likely cause?

Question 70hardmultiple choice

A small business purchases a cable modem from the ISP. They need to obtain a public IP address to access the internet. Which method does the cable modem typically use?

Question 71hardmultiple choice

A network administrator wants to restrict access to the wireless network to only approved devices. Which security feature should be enabled on the access point?

Question 72easymulti select

Review the full routing breakdown →

Which TWO of the following are common Ethernet cable categories used in local area networks?

Question 73mediummulti select

Which THREE of the following are primary functions of a network router?

Question 74hardmulti select

Which TWO of the following are effective methods to help secure a wireless network from unauthorized access?

Question 75easymultiple choice

Refer to the exhibit. A user cannot access the internet. What is the most likely issue based on the configuration shown?

Exhibit

C:\> ipconfig

Ethernet adapter Local Area Connection:
   Connection-specific DNS Suffix . :
   IP Address. . . . . . . . . . . . : 192.168.1.10
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : (blank)

Question 76mediummultiple choice

Refer to the exhibit. A user can successfully ping the local default gateway but cannot ping an external IP address. What is the most likely cause?

Exhibit

C:\> ping 8.8.8.8

Pinging 8.8.8.8 with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 8.8.8.8:
   Packets: Sent = 4, Received = 0, Lost = 4 (100% loss)

C:\> ping 192.168.1.1

Pinging 192.168.1.1 with 32 bytes of data:
Reply from 192.168.1.1: bytes=32 time=1ms TTL=128
Reply from 192.168.1.1: bytes=32 time=1ms TTL=128
Reply from 192.168.1.1: bytes=32 time=1ms TTL=128
Reply from 192.168.1.1: bytes=32 time=1ms TTL=128

Ping statistics for 192.168.1.1:
   Packets: Sent = 4, Received = 4, Lost = 0 (0% loss)

Question 77hardmultiple choice

Refer to the exhibit. PC1 (192.168.1.10) cannot communicate with PC2 (192.168.2.10). What is the most likely cause?

Exhibit

Router1 configuration:
 interface FastEthernet0/0
 ip address 192.168.1.1 255.255.255.0
 ip route 0.0.0.0 0.0.0.0 10.0.0.1

Switch1: VLAN1, IP 192.168.1.2/24

PC1: IP 192.168.1.10/24, gateway 192.168.1.1

PC2: IP 192.168.2.10/24, gateway 192.168.2.1

Question 78easymultiple choice

A user reports that their computer is unable to connect to the internet, but other devices on the same network work fine. Which of the following is the MOST likely cause?

Question 79mediummultiple choice

A small business wants to connect its computers to share files and printers. Which of the following network devices would BEST facilitate this?

Question 80hardmultiple choice

A technician is troubleshooting a network where users in one department cannot reach a web server in another subnet. The technician confirms the server is running and the switch ports are up. Which of the following should be checked NEXT?

Question 81mediummultiple choice

A user wants to upgrade their workstation's storage without losing existing data. Which of the following is the BEST method?

Question 82easymultiple choice

Which of the following cable types is MOST commonly used for Ethernet networks in an office?

Question 83hardmultiple choice

A technician is diagnosing performance issues in a wireless network. Users report intermittent slowdowns. Which of the following is the MOST likely cause?

Question 84mediummultiple choice

A company wants to ensure that if one hard drive fails, no data is lost. Which RAID level should be implemented?

Question 85easymultiple choice

Read the full DNS explanation →

Which of the following devices is used to connect multiple computers in a local area network and forwards data based on MAC addresses?

Question 86mediummultiple choice

A user is trying to access a website but receives a 'DNS server not responding' error. Which of the following is the MOST likely cause?

Question 87mediummulti select

Which TWO of the following are characteristics of a client-server network? (Choose two.)

Question 88hardmulti select

Which THREE of the following are common types of network topologies? (Choose three.)

Question 89mediummulti select

Which TWO of the following are benefits of using virtual machines? (Choose two.)

Question 90mediummultiple choice

Refer to the exhibit. A user reports that they cannot access the internet. Based on the output, which of the following is the MOST likely issue?

Exhibit

Refer to the exhibit.

ipconfig

Windows IP Configuration

Ethernet adapter Local Area Connection:
   Connection-specific DNS Suffix  . : example.com
   IPv4 Address. . . . . . . . . . . : 192.168.1.101
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 192.168.1.1

Question 91hardmultiple choice

Refer to the exhibit. A technician runs two ping commands. Based on the output, which of the following is the MOST likely cause?

Exhibit

Refer to the exhibit.

$ ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
--- 8.8.8.8 ping statistics ---
4 packets transmitted, 0 received, 100% packet loss

$ ping google.com
ping: google.com: Temporary failure in name resolution

Question 92easymultiple choice

Refer to the exhibit. Which of the following components would be used to physically connect the desktop computer to the network?

Exhibit

Refer to the exhibit.

Hardware Inventory:
- Desktop computer: Intel Core i5, 8GB RAM, 256GB SSD
- Laptop: Intel Core i3, 4GB RAM, 128GB SSD
- Network printer: HP LaserJet Pro
- Router: Linksys AC1200
- Switch: Netgear 8-port gigabit

Question 93easymultiple choice

A user reports that their computer is slow when running multiple applications simultaneously. Which component upgrade would best improve performance?

Question 94mediummultiple choice

A company has two departments on separate floors and wants to connect them into a single local area network (LAN). Which device should be used to interconnect the switches on each floor?

Question 95mediummultiple choice

A technician is troubleshooting a desktop that does not power on. The power supply fan spins, but there is no display and no beep codes. Which component should the technician check first?

Question 96easymultiple choice

A user wants to securely access company resources from a remote location over the internet. Which technology should be used?

Question 97mediummultiple choice

A small office needs a centralized storage solution that all employees can access over the network to share files. Which type of storage should they implement?

Question 98easymultiple choice

A user's laptop battery no longer holds a charge and the laptop only works when plugged in. Which component should be replaced?

Question 99hardmultiple choice

A company wants to protect against data loss if a single hard drive fails. They have three identical drives. Which RAID configuration provides fault tolerance while maximizing storage capacity?

Question 100hardmultiple choice

A technician notices that a switch interface is showing many CRC errors. What is the most likely cause?

Question 101easymultiple choice

A network printer should always receive the same IP address to ensure reliable access. Which configuration method guarantees this?

Question 102easymulti select

Which TWO of the following are types of optical disc storage? (Select exactly two.)

Question 103mediummulti select

Which TWO are characteristics of a network switch? (Select exactly two.)

Question 104easymulti select

Read the full DHCP explanation →

Which THREE are common types of network cables? (Select exactly three.)

Question 105mediummultiple choice

A user cannot connect to the internet. The network uses DHCP. Based on the exhibit, what is the most likely cause?

Exhibit

Refer to the exhibit.
C:\> ipconfig /all
Windows IP Configuration
   Host Name . . . . . . . . . . . : PC123
   Primary Dns Suffix  . . . . . . :
   Node Type . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . : No
   WINS Proxy Enabled. . . . . . . : No
Ethernet adapter Local Area Connection:
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . : Realtek PCIe GbE Family Controller
   Physical Address. . . . . . . . : 00-1A-2B-3C-4D-5E
   DHCP Enabled. . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . : Yes
   IPv4 Address. . . . . . . . . . : 169.254.1.5(Preferred)
   Subnet Mask . . . . . . . . . . : 255.255.0.0
   Default Gateway . . . . . . . . :
   DHCP Server . . . . . . . . . . : 255.255.255.255
   DNS Servers . . . . . . . . . . :
   NetBIOS over Tcpip. . . . . . . : Enabled

Question 106hardmultiple choice

A company's IT department received multiple complaints from employees working on the third floor of an office building. They report that their wireless connections drop frequently and internet access is very slow. The network administrator performs a site survey and discovers that there are over 20 wireless access points (APs) in the vicinity, most operating on channels 1, 6, and 11. The company's AP is a dual-band 802.11ac device currently configured to use the 2.4 GHz band on channel 6. The administrator also notes that the company's AP is placed on a metal shelf near an elevator shaft. Which of the following actions should the administrator take to most significantly improve the wireless performance?

Question 107hardmultiple choice

A hospital's IT team manages a virtualized server hosting a patient records database. The server has one physical processor with 6 cores, 32 GB of RAM, and a RAID 5 array of three 1 TB HDDs. The virtual machine (VM) running the database is configured with 2 vCPUs, 8 GB RAM, and a 500 GB virtual disk stored on the RAID array. Users report that database queries are taking much longer than usual. The host server shows CPU utilization at 20%, memory at 60%, and the disk queue length frequently stays above 5. Which of the following is the most likely cause of the performance issue?

Question 108mediummultiple choice

A small business wants to set up a local network with internet access. They have a modem from the ISP and need to share the connection among five computers. Which device should they use to connect all computers to the modem and manage traffic?

Question 109easymulti select

Which TWO of the following are common types of network cables used in wired Ethernet networks?

Question 110hardmulti select

A technician is troubleshooting a computer that cannot connect to the network. Which THREE steps should the technician perform first in the troubleshooting process?

Question 111easymultiple choice

A user reports that their laptop cannot connect to the office Wi-Fi. Other devices connect fine. The technician checks the wireless adapter status in Device Manager and sees a yellow exclamation mark. The technician attempts to update the driver but receives an error that the best driver is already installed. What should the technician do next?

Question 112mediummultiple choice

A company is setting up a new branch office. The network administrator needs to connect 20 computers and 2 network printers to the local network. The branch also needs a connection to the internet via a cable modem. The administrator has a 24-port switch and a wireless router. The cable modem is already provided by the ISP. Which configuration should the administrator use?

Question 113hardmultiple choice

A server in a data center is running a critical application. The server is connected to a managed switch via two network cables for redundancy (link aggregation). Recently, the server experienced intermittent connectivity issues. The network logs show that every few hours, one of the links goes down and then comes back up within a minute. The other link remains up. The server's team reports no errors in the server logs. What is the most likely cause of this issue?

Question 114easymultiple choice

A home user wants to connect a desktop computer to the internet using a wireless connection. The computer does not have built-in Wi-Fi. What is the simplest and most cost-effective solution? The user has a wireless router already installed and working.

Question 115mediummultiple choice

Review the full routing breakdown →

An office has a single shared printer connected via USB to a Windows 10 desktop. Other users in the office need to print to this printer from their own computers, which are connected to the same local network. What is the simplest way to share the printer without additional hardware?

Question 116hardmultiple choice

A small business uses a single external IP address from their ISP and has a network of 10 computers. They want to host a web server that must be accessible from the internet, but they also need to protect their internal network. They have a firewall/router that supports port forwarding. Which configuration should they implement?

Question 117mediummulti select

Read the full VPN explanation →

Which TWO of the following are advantages of using a virtual private network (VPN) for remote employees?

Question 118hardmultiple choice

What is the most likely reason PC1 cannot ping PC2?

Exhibit

Refer to the exhibit.

Router LAN IP: 192.168.1.1/24
Switch: Unmanaged
PC1: IP 192.168.1.10/24
PC2: IP 192.168.1.11/24
PC3: IP 192.168.1.12/24

All devices are connected and powered on. PC1 can ping PC3 but cannot ping PC2.

Question 119easymultiple choice