求cisco在线考试的题库，要带答案

Which of the following are requirements of LAN design? (Choose three.)

adaptability

manageability

operability

scalability

stability

When designing a LAN, at which layer of the OSI model does the process of segmenting collision domains occur?

Layer 1

Layer 2

Layer 4

Layer 7

Which of the following affect network availability? (Choose three.)

throughput

response time

workstation speed

access to resources

desktop applications

What type of cabling is specified by TIA/EIA standards for interconnection of Intermediate and Main Distribution Facilities?

patch cables of variable lengths

horizontal cross-connect cabling

vertical cross-connect cabling

parallel cross-connect cabling

Which of the following are features of the access laye