part 3 of final questions

What method is used to manage contention-based access on a wireless network?

CSMA/CA

what is a characteristic of UTP cabling?

cancellation

what are three primary functions provided by a layer 2 data encapsulation? (choose three)

data link layer addressing detection of errors through CRC calculations delimiting groups of bits into frames

what are two characteristics of fiber-optic cable? (choose two)

it is not affected by EMI orRFI it is more expensive than UTP cabling is

what is a characteristic of the LLC sublayer?

it places information in the frame allowing multiple layer three protocols to use the same network interface and media.

functionwhich two OSI model layers have the same functionality as two layer of the TCP/IP model? (choose two)

network and transport

a network team is comparing physical WAN topologies for connecting remote site to a headquarters building. which topology provides high availability and connects some, but not all, remote sites?

partial mesh

A network administrator is troubleshooting connectivity issues on a server. Using a tester, the administrator notices that the signals generated by the server NIC are distorted and not usable. In which layer of the OSI model is the error categorized?

physical layer

which name is assigned to the transport layer PDU?

segment

a network administrator is measuring the transfer of bits across the company backbone for a mission critical financial application. the administrator notices that the network throughput appears lower than the bandwidth expected. which three factors could influence the differences in throughput? (choose three)

the amount of traffic that is currently crossing the network the type of traffic that is crossing the network the latency that is created by the number of network devices that the data is crossing