A technician discovers slow data transfer speeds in a wired network. Which of the following would be the MOST probable cause?

Question

Options

• AUsing APIPA address
• BOutdated NIC drivers
• CToo many simultaneous connections
• DCAT5 cable connection

• A
  15% (4)
• B
  73% (19)
• C
  8% (2)
• D
  4% (1)

Explanation

Outdated Network Interface Card (NIC) drivers are a common and direct cause of slow wired network transfer speeds. Drivers act as the communication layer between the operating system and the hardware; outdated drivers may lack performance optimizations, have bugs that reduce throughput, or fail to correctly negotiate connection speeds and duplex settings with the switch. An APIPA address (169.254.x.x range, assigned when DHCP fails) would generally prevent network connectivity to other subnets rather than merely cause slowness. Too many simultaneous connections is more of a server-side or bandwidth saturation issue. A CAT5 cable limits theoretical throughput to 100 Mbps, which could be a factor on a gigabit network, but a wiring issue would be a physical constraint - updating the NIC driver is the more actionable and probable software-layer fix identified in exam context.

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